high pressure steel wire spiral rubber hose

Product Structure Type:
Mainly by the liquid-resistant inner layer, middle layer, layer 2 or 4 or 6 wire reinforced layer, the outer layer, the inner layer has a transmission medium under pressure to protect the wire from erosion effect, the outer layer protect wire from damage, wire british hydraulic adapter (φ0.3 - 2.0 Enhanced wire) layer is the reinforcing material from the enhancement.
Product Use:
High pressure steel wire reinforced hydraulic hose used mine hydraulic support, oil exploration, suitable for construction, lifting and transport, metallurgy, forging, mining equipment, ships, injection molding machinery, agricultural machinery, machine tools and various industrial sectors of mechanization and automation of hydraulic systems for transporting a certain pressure (high pressure) and the temperature of the oil-based (such as mineral oil, soluble oil, hydraulic oil, fuel oil, lubricating oil) and water-based liquids (such as emulsion, oil-water emulsion, water) american hydraulic adapter and liquid transmission with a maximum pressure resistance of up 70-100MPa.
Note: The corporate wire winding hose GB/T10544-03 standard reference standard, DIN20023, SAE100R9 ~ 13 standard, this standard is not suitable for castor oil and lipid-based liquid.
Product Features:
1 Hose special selection made with synthetic rubber with excellent oil resistance, heat aging resistance.
(2) Hose high pressure, pulse metric adapters performance.
3 tube tightly, use a soft, small deformation under pressure.
4 hose has excellent resistance around the song and fatigue resistance.
5 wire winding hose length of 20 meters, can be made upon request within 50 meters.
Suitable temperature: -30 ~ +120 ℃

the weight of the hydraulic universal testing machine

the weight of the hydraulic universal testing machine

Currently the largest hydraulic universal testing machine can do 300 tons, there WAW-2000G servo universal testing machine, WEW-2000G-screen universal testing machine, WAW-2400G

Electro-hydraulic servo hydraulic ferrule universal testing machine, WEW-2400G-screen universal testing machine. To solve a big problem do the test specimen, this model weighs 10 tons. WAW-2400D Microcomputer

Hydraulic servo universal testing machine technical parameters are as follows:
1 Maximum test force kN 2400
(2) Test force measurement range kN 2% ~ 100% FS
3 Test Force showed the relative error ≤ ± 1% of
4 Test Force Resolution 0.01kN
5 mm 0.01 displacement measurement resolution
6 Deformation measurement metric adapters accuracy mm 0.01
7 mm 1000 Maximum tensile test space
8 mm 900 Maximum compression space
9 Piston stroke mm 250
10 round specimen clamping jaw diameter mm Φ15-Φ70
11 flat clamping jaw specimen thickness mm 0-50
12 flat sample maximum clamping width mm 80
13 pressure plate size mm 204 × 204
14 Maximum piston speed mm / min 50
15 Clamping metric hydraulic fittings automatically step up
16 Overall dimensions mm 1420 × 1180 × 3400
17 Dynamometer cabinet dimensions mm 1000 × 700 × 1400

high pressure nylon resin tube

Steel wire reinforced nylon elastomer resin tube (GPA)
Mainly used in the automotive industry, construction machinery, hoisting and conveying machinery rotating high-pressure liquid transportation and has good resistance to oil, heat and aging resistance, pressure

High pulse performance, can Diamond Burs be used as high-pressure spray washer exclusive possession.
Fiber reinforced nylon elastomer resin tube (XPA).
Because of its high pressure, anti-static, high temperature, abrasion resistance, oil and a variety of chemical reagents and anti-aging, long life and other characteristics of the various industries use very extensive.

Automotive brake system pressure; automotive power steering system; automotive brake pipe control systems; gearbox control system; construction machinery: such as: excavators,

Loaders, cranes, hydraulic flange fitting conveyance system and hydraulic control system; mechanical processing equipment, hydraulically operated and hydraulic control systems; pressure spray tube; liquid tree

Ester transfer pipe.

high abrasion blasting hose

high abrasion blasting hose
1 Product Technical Support:
The product from the company's technical department Joint National hose, tape Research Center, jointly developed, using a unique formula and advanced production technology.
(2) Product Features:
TUBE: the use of polyurethane hydraulic hose assembly and butyl rubber as the main raw material, and add special reinforcing agents. Finished within the plastic color is yellow transparent state, with high wear resistance, high toughness, high voltage and other characteristics, wear indicator is 2-3 times of ordinary blasting hose. In the same industry enjoys "wearable king" reputation.
Enhancement layer
Sandblasting hose made of high quality cloth for wiping tape enhancement layer, flexible, strong pressure;
Code blasting hose with copper plated steel special steel braided hose, to work under pressure is 3-4 times the fabric hose with pressure high degree of flex resistance excellent features.
3 Use:
Products are mainly used in hydraulic hose assemblies all kinds of tunnel engineering, mine, cavern, shotcrete slope protection, hydropower, mining, military defense and other fields have a wide range of applications.
4 Quality Commitment:
Recommended initial use of the product compared with other manufacturers products used to compare the superiority of our products. Performance than ordinary blasting hose full refund of the purchase price.

the rubber tube

Product Name: Wire brait hydraulic hose
Product Features: This product is rubber hose products, with oil, acid, heat, pressure and other characteristics of the transport and attract rubber tube.
Usage: mainly used for industrial, mining, transportation and attract civil liquids, gases, etc.
Packing: coil or no packaging.

Domestic development

Rubber tube with our hydraulic hose adapters industry after 50 years of development, the national economy played an indispensable supporting role, especially as China and raising the level of mechanization

Application of new materials, rubber tubes with industry and related fields constantly interwoven, opened up the rubber tube with a range of applications and fields, the products are widely used in coal, metallurgy

, Cement, ports, mining, petroleum, automotive, textile, light industry, construction machinery, construction, marine, agriculture, aviation, aerospace and other fields. In recent years, the rubber tube with

Industry adhere to the scientific concept of development, product varieties, specifications, quality has been sustained, rapid, coordinated and healthy development, basically meet the domestic market demand, to mention

High products in the international market competitiveness.
According to the "2013-2017 China rubber tube with industry sales forecast demand and investment analysis report" [1] data analysis, at present, China has become the world's rubber production and pipe band

Consumer. The country has a certain scale of production enterprises with a rubber tube 812. According to the Rubber Industry Association hose tape branch of statistics, the country's annual output conveyor

Reached 360 million m2, V belt production reached 2.1 billion Am, hose production reached 660 million Bm, product yields are among the world's top position. 2010, China's manufacturing industry with a rubber tube closed

Into the scale of 22.362 billion yuan, representing a "fifth" end up more than 2 times; industry realized an industrial output value of 23.092 billion yuan, an increase of 31.99%; total hydraulic ferrule industry profit growth

Long as quickly, in 2010 total profit of 1.617 billion yuan, an increase of 31.83%.
At the same time, the "Eleventh Five-Year", China's rubber tube with industry professionals research and development in progress, not only in the existing rubber tube with plastic materials, technology, performance

And cost improvements, so that we continue to meet user requirements and adapt to market needs, and constantly develop new products and new technologies, to fill the gaps, many domestic

Hose tape performance is close to or reached the international advanced level, which for domestic products further into the international market to create the conditions. According to the prospective network survey, "Twelve Five"

Period, China's economy will maintain a sustained development, and promote the coal, iron and steel, cement, ports, mining, petroleum, automotive, textile, light industry, machinery and other industrial

Development, which will give the rubber tube with a good opportunity for the development of the industry in 2015 with the manufacture of rubber hose industry sales will reach 360 yuan.
Edit this paragraph
Storage conditions

During storage and double hose connector transportation should be isolated from sources of ignition, avoid sharp and have greater contact with corrosive chemicals, avoid prolonged sunlight or storage.
Edit this paragraph
Quality standards

1 water hose standards: Products GB10547-89 standard, vacuum brake hose, hydraulic brake hose perform standard GB16897-2010.

Hydraulic terms

Hydraulic terms, is connected to the hydraulic system installed in the tubing or the tubing parts of the hydraulic element, which is a fluid passage in the connecting member can be detachably in general.
     Including: welded, card sets and flared.
Material: Steel
     Place of Origin: Ningbo
     Price: Negotiable
     MOQ: Any
     Classification of fittings
     Hydraulic hose, high pressure ball valves, intentions odd quick connector ferrule fittings, welded pipe fittings, high pressure hoses.
     Transition fittings, ferrule fittings, tee pipe fittings, non-standard pipe fittings, flare fittings, angled fittings, rotary tube fittings, quick connectors, stainless steel pipe fittings, copper fittings.

to warm the pipe full pipe pressure testing machine

To warm the pipe full pipe pressure equipment is used to test the coil resistance to internal pressure test, sufficient to avoid detection of resistance to internal pressure pipe brought incompleteness is an economical and practical, versatile, high degree of automation of the testing machine.
       To warm the pipe full pipe hydraulics fittings pressure testing machine controlled by a pressure micro part, auto-fill pressure relief and electric components, pressure micro control part adopts the microcomputer MCU control, equipped with a high-resolution, high-speed Σ-△ 16-bit analog-to-digital conversion chips, communications and computers always, you can also be individually controlled by the pressure unit, and according to stressful situations automatically fill pressure and automatic pressure relief. The machine can be achieved in a single hydraulic hose fitting step flushing, pressure and emptying tests. With leakage warning, burst identification, real-time monitoring, power holding pressure and other functions. All use the machine CE certification of electronic components, solenoid valves, Germany, Denmark sensor; reliable long-term operation and high hose adapters stability, grape purple border, decent, dignified and beautiful.

CNC Cutting Machine Buyer's Guide

Currently CNC flame and plasma cutting machines in China's industrial enterprises begin mass popularity, many enterprises in order to improve production efficiency, expand production scale, began to buy and make

With CNC cutting machine, but for lack of basic concepts and knowledge of CNC cutting, in the purchase and use of CNC cutting machine in the process of this or that some of the technical

Problems and difficult to use, and we have compiled a brief summary of this Buyer's Guide CNC cutting machine, cutting machine wish to contribute to corporate procurement and CNC hydraulic hose and fittings cutting technology

Popular.

Enterprises to purchase CNC cutting machine will undoubtedly have to achieve three main objectives:

Capable of cutting the material and thickness of a sheet, production and processing of a specific product,
Can improve cutting efficiency and cutting quality,
Can effectively save steel and consumables!
According enterprises to purchase CNC cutting machine three main objectives, procurement can be broadly divided following five steps:

Step one: Select the CNC cutting machine model and specific configuration:

According enterprises to cut material and thickness, as well as cutting efficiency and cutting quality requirements, first determine the type of purchase CNC cutting machine, flame, plasma, laser

Or CNC bevel cutting machine. Secondly, according to the thickness of the material to be cut, to understand flame or plasma CNC cutting machine capacity and effective perforation perforation techniques to select

And to determine the specific hydraulic quick coupling configuration of CNC cutting machine, such as plasma power type, flame gun and preheat cutting oxygen configuration, bevel cut, CNC cutting machine configuration to determine

With roughly the price.

Particular attention should be: CNC flame cutting machine cutting thickness depends on the effective capacity and automatic plate perforation perforation technology, through two or three solenoid valve control and CNC

The system automatically perforation process to obtain implementation. CNC plasma cutting machine cutting thickness depends on the effective plasma power efficient perforation thickness, not the maximum cutting thickness

Degrees.

Procurement priorities: procurement personnel must carefully read and remember different manufacturers recommend different power supply effective plasma cutting thickness (internal perforation), is not the largest cut

Cutting thickness (edge ​​starts), hydraulic hose clamps CNC plasma cutting machines to ensure effective cutting and perforation thickness. Learn and understand CNC flame cutting machine plate perforation process

And equipment, as well as numerical control system provides automatic perforation process and technology to ensure CNC flame cutting machine has a valid plate perforation process and cutting ability.
Step two: To investigate the CNC cutting machine business manufacturing quality and precision:

In the CNC cutting machine model and configuration is determined, the study focused on the manufacture of CNC cutting machine enterprise quality and cutting accuracy. CNC cutting machine tool structure, rack and pinion

Quality, quality guides and gear box, machine installation grounding and shielding techniques are related to or determines the quality CNC cutting machine and cutting accuracy.

Procurement priorities: procurement officers need to carefully understand and compare different machine CNC cutting machine business structure and machine configuration, understand the business of manufacturing production CNC cutting machine

Equipment, processing quality and cutting accuracy, as well as an optional component parts of a variety of imported brands and features, by configuring the imported products and components critical to ensure that CNC cutting

Machine tool manufacturing quality and precision.

Step 3: Select CNC system

After determining the type and CNC cutting machine configuration selected cutting machine manufacturers, the next step is to choose the CNC system. CNC cutting machine CNC system is the heart,

CNC system CNC system hardware configuration determines the stability of the cutting CNC system control software, especially automatic cutting process, decided to cut quality CNC cutting machine

Volume and cutting efficiency.

Numerical stability of the system is the first important!

The two large-scale development of CNC system Genre:

One is based on the Windows platform genre of modern technology to the United States as the representative of the manufacturer of CNC system; Another is a DOS-based platform for automated cutting technology genre,

In a famous German CNC cutting machine manufacturers use the system to represent, such as ESAB CNC system, Messer CNC system used by the Canadian Lynx, FastCAM NC Department

Systems. Two great schools of different points: First, the stability of numerical control system, automatic cutting technical schools is much higher than Windows genre of modern technology, and second, CNC system price,

Automatic cutting technical schools is much lower than Windows genre of modern technology, three are CNC system display interface, Windows genre of modern technology is better than the automatic cutting technology flow

Pie.

Automatic cutting technology genre point of view: an imported CNC system (8 ~ 90,000 yuan) than an ordinary computer (4 to 5 thousand dollars) cost 20 times more expensive CNC cutting machine

The. Obviously, the use of expensive CNC programming, nesting, Internet, communications and document management, resulting in more expensive most of the time at the CNC cutting machine

Pending the CNC programming nesting idle state, is a tremendous waste of resources! The correct way is to programming, nesting, Internet, communications and document management

Such work to low-cost computers and programming nesting software to deal with, so do full-time CNC cutting machine cutting, automatic cutting, efficient cutting.

Procurement priorities: procurement staff need according to their business needs, companies need to choose suitable CNC system. Learn and understand the main cause system instability NC

To improve the stability of the causes and ways to ensure that companies buy CNC cutting machine and CNC systems, long-term, stable, low-cost operation.

Step four: to learn to improve cutting efficiency and cutting quality approach

CNC cutting machine for cutting efficiency and cutting quality is critical to the user, but also the corporate procurement evaluate the success of CNC cutting machine and the only criterion for good or bad.

Of particular note: In the CNC cutting machine is basically the same structure and hardware configuration or similar circumstances, CNC cutting machine cutting efficiency and cutting quality primarily by optimizing nesting

Software and CNC cutting control software decision.

Recent trends: CNC cutting new technology development is to achieve CNC cutting machine of the "full-time cutting, automatic cutting, efficient cutting, cutting and high-quality sets

Expected rate cut. "Guiding ideology of its core philosophy and CNC cutting machine in hardware design and manufacturing technology perfected and the same or similar conditions, through software

Technology, namely CNC cutting optimization nesting programming software, CNC cutting control software, and automatic perforation and automatic cutting process, to further improve the CNC cutting machine

Cutting efficiency and cutting quality, CNC cutting machine to achieve "full-time, automatic, efficient, high quality and high nesting rate cut."

Core Techniques and Methods: One full-time cutting, nesting software programming using FastCAM on the computer the whole board and I programmed plate nesting, cutting machine cutting full-time

To avoid programming on CNC nesting, reducing cutting machine productivity. Second, automatic cutting, CNC system using FastCAM automatic cutting process,

Automatic perforation and automatic cutting, replace manual manual cutting. Third, efficient cutting, use FastCAM nesting software programming and CNC systems common edge, and even cut,

By side, bridging efficient cutting process, effectively reducing the warm-up perforation (perforation decrease more than 70%), to improve the cutting efficiency. Four high-quality cutting, use FastCAM

Nesting software programming and CNC system CNC cutting technology to optimize the pretreatment process, removing excess entity, to avoid empty running around and repeat the cutting process, cutting away the compression fitting

Order to ensure a smooth high-speed cutting machine cutting machine to avoid jitter, to ensure the cutting parts closed without deformation.

Procurement priorities: procurement staff need to learn and understand the full-time cutting, automatic cutting, efficient cutting and high-quality cutting ideas and techniques to business leaders and

CNC cutting cutting workers provide a new concept and technical information, to ensure that enterprises in the use of good CNC cutting machine, based on effectively improve cutting efficiency and cutting quality.

Step five: to learn effectively save steel and consumables technologies and methods

Save steel, and supplies the most concern is the enterprise. Enterprises to profit, must be effectively save steel and consumables. Therefore, companies must be able to purchase a CNC cutting machine

Validity save steel and consumables.

The most effective means: saving steel and supplies the most effective means is to use programming software FastCAM optimized nesting, nesting and through the entire board I plate nesting, effective

Improve nesting steel utilization, reduce corners more than expected, so that the remaining plates get reused; through FastCAM efficient cutting nesting software programming, effectively reduce preheating

And piercing passes, reduce the flame preheating perforated supplies loss, reducing loss of plasma cutting nozzle, so as to effectively save steel and consumables.

Simple economic data: According to the official statistics agency specialized in the production process, welding steel cutting, Chinese steel enterprises waste 10% more than in Western countries. A Year

Cutting and welding on steel tons of medium-sized enterprises, are wasted each year there are thousands of tons of steel. If you can use a good nesting optimization similar FastCAM programming software, the annual

For enterprises to save thousands of tons of steel, even at 5% per year for the enterprise to save hundreds of tons of steel, saving tip supplies several hundred thousand dollars a year to restore economic losses for enterprises

Loss, increased corporate profitability hundreds of million. Also, use a good FastCAM nesting software and CNC cutting machine CNC system to achieve full-time, automatic and efficient cutting, make a

CNC cutting machine capacity becomes two or even three sets, improve production efficiency and economic benefits.

Procurement priorities: procurement staff need to learn and understand FastCAM optimize nesting software for programming the entire board nesting, I plate nesting and cutting edge-connected, such as efficient cutting

Techniques and methods to provide workers with business leaders and cutting optimization nesting FastCAM programming software and effective ways to save steel supplies and technical information, to ensure that enterprises make

CNC cutting machine with a valid save steel and consumables. To learn and understand the CNC cutting of new technology development, implementation CNC cutting machine "full-time cutting, automatic cutting

, Efficient cutting, high-quality cutting, high nesting rate cut ", please continue to refer to" a new CNC cutting technology and methods, "a text.

thermal cutting, plasma cutting in the position

A kind of thermal cutting method and its application status
Commonly referred to as thermal cutting law mainly refers to cutting, plasma cutting, laser cutting. Rely on the traditional cutting of metal cutting oxidation reaction, so its cutting
Speed ​​is limited by the metal oxidation reaction speeds. Plasma cutting is to

Plasma cutting machine is to overcome this problem. Argon-hydrogen plasma cutting machine designed for cutting aluminum, stainless steel plate, the cutting current to 500 ~ 1000A based.
2 plasma cutting technology development status

Development of plasma cutting technology for cutting stainless steel, aluminum and other materials. But the development so far, plasma cutting technology has been used for cutting carbon steel, mainly because other

Plasma cutting speed, easy to set the cutting conditions more suitable for automated, unmanned operation. The cutting of the cutting process often need to adjust the flame, cutting speed is slow, pre-

Thermal time limit cutting productivity, by contrast is not suitable for automated, unmanned operation.

Air or oxygen plasma cutting technology is the key cutting torch consumables life issues. As the air or oxygen oxidation, plasma cutting torch electrode

, The nozzle must be resistant to hydraulic hose clamps high temperature oxidizing atmosphere arc. So now hafnium electrode material using a high melting point, and in a special processing method embedded in copper. Nozzle mining

With a double flow structure, the advantage of improving the flow direction, speed, and plasma gas purity and cooling, to protect the nozzle, further compression of the arc. In addition to

A reduced electrode wear, arcing when cutting gas than pure oxygen with nitrogen, oxygen gas mixture, and a smaller flow rate, to be switched to oxygen from the arc. This

Outside the process of cutting nozzle in contact with the material being cut will damage the nozzle, which in the cutting torch height control efforts. Electrode and the short life of the nozzle now than in the past

Greatly improved, with a corresponding oxygen plasma cutting current maximum has been reached 500A. According to the literature [2] introduced, 400A oxygen plasma cutting, each electrode can work 3.5h, each

Nozzles can be operated 4.8h, than the literature [3] presented data has greatly improved.


    3 Comparative Analysis of thermal cutting France

    3.1 cutting efficiency

From cutting productivity perspective, not only depend on its maximum cutting thickness, and depends on its corresponding cutting speeds. Figure 1 summarizes the three kinds of hot-cutting method for cutting speed and cutting

Cutting thickness relationship, cutting material is carbon steel [1].

Contrast, plasma cutting and cutting CO2 laser cutting efficiency, 50A air plasma cutting efficiency is equivalent to 1.5kW laser cutting efficiency, 70A and 150A of the former

The latter is equivalent to 2kW and 6kW. 300A above with oxygen plasma cutting efficiency is very high-power laser cutting machine is not yet listed. Therefore, from the cutting efficiency perspective, cutting

50mm or less carbon steel, plasma cutting most efficient, cutting more than 50mm of carbon steel, maximum cutting efficiency of oxygen gas cutting.

    3.2 cutting quality

Table 1 compares the cutting, plasma cutting, laser cutting cutting surface roughness, cutting precision, cutting slit width, heat affected zone size [1], these factors are representative of

The cutting quality. As long as the correct choice of cutting method and cutting conditions, the cutting surface of the rounded edges and the lower edge of the sticky residue phenomenon can be overcome, so that two are not included in the table

.

On the cutting surface roughness, the general optimal plasma cutting. As long as special attention, not inferior to laser cutting, plasma cutting.

On the cutting accuracy and cutting slit width, the optimal laser cutting. If equipped with a cutting torch to ensure the accuracy and running gear motion characteristics, gas cutting, plasma cutting

Cutting accuracy is guaranteed.

Produced by cutting the width of the heat affected zone, deformation and cutting speed have a great relationship, cutting the cutting speed is slow, the heat-affected zone width, deformation is also large. General kerf

The narrower the cutting speed, the cutting material of the heat input is smaller, cutting the deformation is small. After testing and comparative analysis of the results is that the variation of laser cutting

Shaped minimum, plasma cutting deformation, followed by cutting the maximum deformation.

    3.3 Cost Cutting

Cutting equipment purchase costs depend on the production volume, production volume the greater the relative cost of the purchase of equipment smaller. However, cost cutting is proportional to the amount produced. Chart

2 compares the cutting, plasma cutting, laser cutting cutting costs, cutting costs, including replacement parts costs, gas, electricity, labor costs. Cutting costs is a single

Bit length cutting costs.

thermal cutting technology and applicable industry

The so-called thermal cutting, from the way it mainly includes flame cutting, plasma cutting and laser cutting three kinds, according to the market price cutting requirements and different, all three cutting

Methods currently occupy a certain market, and its technical and economic comparison the following analysis:
As pressure flame cutting, cutting nozzle height, and the warm-up time and other factors, the overall cut material reusable fitting deformation scale is large, can not meet the needs of high-precision cutting

, And the cutting speed is low, and because to be preheated before cutting, spending time, it is difficult to adapt to the needs of unmanned operation. Plasma cutting with cutting speed, Fan

Wai width and other characteristics, is suitable for cutting low thickness of sheet metal and nonmetal materials, maximum cutting speed of up to 10m/min, flame cutting is 10 times. In the underwater cutting

Can eliminate noise generated when cutting, dust, harmful gases and arc, environmental protection requirements. With the current high-power plasma cutting technology matures, cutting thickness

Up to 130mm, using water jet cutting technology has made high-power plasma cutting quality precision laser cutting close to the lower limit (± 0.2mm). As the laser cutting machine price

Expensive and currently only suitable for sheet metal cutting (usually perforated plate a long time), and fine plasma cutting machine laser cutting accuracy up to the lower limit, the cutting surface bsp fittings quality

Amount of similar, but far less than the cost cutting, laser cutting, is about a 1/3, the maximum cutting thickness up to 12mm, so with precision plasma cutting machine to replace expensive

Laser cutting machine, in favor of the most economical way to a larger amount, the sheet speed fine cutting implement. In addition, CNC plasma cutting and automatic nesting programming software

Pieces of material utilization can be split flanges improved with 5% to 10%, the annual cut 20 million tons total, the annual savings of 100 to 2 million tons of steel, worth billions of dollars. Therefore, in the industrial hair

Of countries have emerged to replace CNC plasma cutting machine flame cutting machines and laser cutting machines trends.

cutter rail classification Daquan

Bed makers are most concerned than the accuracy of machine tools, rigidity and service life, little attention to the rail system. But the realization of rail laying machine functions as a reliable

Foundation. The working parts of the machine types are specified by the control shaft moving on rails, the machine tool of the designer to select the various types and uses

In the form of rail systems, are hydraulic hose and fittings used more widely the following three; namely flat rails, linear motion guides and recirculating roller guide with a combination of flat rolling posed

Rails.

First, the rail functions
Although the rail system in the form of varied, but the nature of work is the same, the machine working parts move in the specified rail system, just like the train along the rail

Track traveling in the specified hydraulic hose manufacturers direction. Mainly the following three basic functions:
(A) the movement of the guide for the carrier;
(2) for the carrier to provide a smooth moving surface;
(3) the tool cutting force generated spread foundation or bed body, to reduce the impact of processing of parts of the passive. Movement along the rail system, most

Number of linear motion, there are a small number of arc movement. Many linear guide technology can be applied directly curved rails.

Second, the classification of rail
Machine-tool factory in the utmost effort to ensure that rail mounting accuracy. Guide is processed before the working parts are rails and after aging treatment, to remove

Internal stress. To ensure accuracy and extend the life of the rail, is a common scraping process method.
    1, linear guides
The new rail system so that the machine get fast feed rate, spindle speed is the same in the case of rapid traverse is linear guide features. Linear guide rail and plane

Rails, will have two basic components; reusable fitting as a guide for a fixed element, the other is moving element. In order to ensure the accuracy of the machine, bed, or a small amount of column

Scraping is essential, in general, the installation is relatively simple.
Linear guide between the moving element and the fixed element without intermediate medium, but with rolling balls. Because rolling balls adapted to high-speed movement, low friction, and spirit

High sensitivity to meet the work requirements of the moving parts, such as the machine tool turret, carriage and so on.
Long working hours, the ball begins to wear, the role of preload on the ball began to weaken, causing the machine working parts of the motion accuracy decreases. If you want to maintain the initial

Precision, rail brackets must be replaced, or even replace rails. If the rail system is already pre-load effect. System accuracy has been lost, the only way is to replace the rolling elements

Pieces.
   @@ 2, linear roller guide
Linear roller guide system is planar and linear roller guide rail combination with a roller mounted on parallel rails with ball bearing rollers on behalf of the moving parts of the machine

. Advantage is that contact area, large load, and high sensitivity. See from the end of the bed, the roller holder on a flat top surface and the side guide, in order to obtain high-precision

, On the machine frame member and the inner surface is disposed between a wedge, the pre-load acting on the bracket side. Wedge works with wedges similar work department

Weight of the role of the top surface of the stent. Acting on the rail system, the pre-load is adjustable, for compensation for the loss of wedge, this feature is widely used

In the medium or large bed, because it CNC instruction responsive to withstand load, linear roller guide system performance than traditional flat guide to withstand high-speed operation,

Improve the performance of the machine.
    3, inlaid steel rails
The most commonly used on the machine is fitted with steel guide rails form, its use has a long history. Inlaid steel guide rail system is a fixed element rectangular cross-section.

It can be horizontally mounted on the machine bed body, but also can be molded integrally with the bed, are called inlaid steel or integral. Inlaid steel rails are made of steel, hardened and

Grinding. Rockwell hardness of 60 degrees or more, the inlaid steel rails with screws or adhesive (epoxy) attached to the machine bed or by scraping the surface of the column with, indeed

Paul rails for optimum flatness. This form, maintenance and replacement easy, simple and very popular with maintenance workers welcome.
    4, slide rail
Traditional development of rail, first in the form of the sliding element and the rail, characterized by the slide rail between the rail and the slider of the medium used, the different forms of

Is to choose a different media.
Hydraulic systems are widely used in many rail. Hydrostatic guide is one of them, hydraulic oil under pressure into the groove sliding element, the guide rails and slide

The oil film between the elements, the spaced rails and the moving element, which reduces the friction of the moving element. Hydrostatic guideway for large loads are extremely effective for eccentric

Load a compensation effect. For example: a large sand box in the processing, the machine just went to the end of the trip, the load can be increased hydraulic rail, the rail accurately

To maintain the level of the load state. Some horizontal boring and milling machining using this technique, the spindle speed compensation deep decline.
The use of oil as a medium in the form of another guide rail is the dynamic pressure, dynamic pressure and static pressure guide rail is the difference: the pressure oil is not functioning, it uses

The viscosity of the oil to avoid the moving element and direct contact between the rails, the advantage of saving hydraulic pump.
The air moving elements can also be used between the media and the guide rail, it also has two forms, pneumatic and pneumatic dynamic pressure hydrostatic guide rail, the working principle of the hydraulic rail

Same.
    5, other forms of rails
Another commonly used on the machine guide Dovetail form, generally used for positioning the moving parts of the machine. For example: tailstock turning centers, rail system

The tailstock moves above or to the requested position to the supporting parts to be processed, and then quickly clamped. Many machine tool accessories, such as positioning table, rotary table or

Rotating shaft, also used as a positioning element Dovetail. Then clamped in the required position. If the machine reciprocating stroke is longer, then use a soft V-shaped guide, such as flat

Surface grinder and planer. Advantage is V-shaped guide rail system-oriented, able to withstand gravity cutting. Some use of V-shaped guide rail and plane combined form, V-rail

As a guide, a flat rail as a support body.

To ensure the rail system life. Maintenance is critical. Rail is one of the components of precision machine tools, it is impossible to protect 100% of dust, dust pollution. Because

Here, users should regularly check and maintain. Linear guides and linear roller guide posts require periodic lubrication, a lot of the ball linear guide systems and roller parts are installed grease

Connector is connected to the bracket. No matter what form of guide rail system, maintaining good lubrication of rolling elements, can reduce the rail system wear and prolong machine precision

Hold time.

plasma arc cutting machine unstable fault analysis

Plasma arc cutting machine cutting quality directly affects the stability of the plasma arc instability will lead to cuts uneven buildup and other defects, can lead to

The control system related to reduced life components, nozzles, frequent replacement of the electrode.hydraulic nut  For this phenomenon, analyze and propose solutions.

1 pressure is too low

Plasma cutting machine work, such as working pressure is far below the required specification pressure, which means that the ejection velocity plasma arc weakened, input air flow

Is less than the predetermined value, this time can not form a high energy, high speed plasma arc, resulting in poor cut quality, not cut through, cut buildup phenomenon. Insufficient air pressure of the original

Due to: lack of input air compressor, air regulator valve regulator cutting machine is too low, the skiving machine solenoid valve within the oil, gas path is not smooth and so on.

The workaround is to use the former to observe compressor output pressure display, if not met, adjust the pressure or compressor overhaul. If the input air pressure has reached the required

, You should check the air filter regulator adjusted correctly, gauge display can meet the cutting requirements. Otherwise deal with air filter regulator routine maintenance, indeed

Paul input air dry, no oil. If you enter the air quality is poor, it will cause the solenoid valve to generate oil, valve open difficulties valve port can not be fully opened. Furthermore,

Torch nozzle pressure is too low, the need to replace the solenoid valve; pneumatic smaller cross-section can also cause pressure is too low, according to the specification requirements replace the trachea.

2 pressure is too high

If the input air pressure far exceeds 0.45MPa, in the form of plasma-arc, excessive concentration of air being blown arc column, so that the arc column energy dispersion, weakened

Intensity of the plasma arc cutting. Caused by excessive pressure causes: improper input air regulator, air filter regulator is too high or the air filter regulator failure

.

The workaround is to check whether the right to adjust the pressure air compressor, air compressor and air filter regulator whether the pressure imbalance. Boot, such as a rotary air filters Less

Pressure valve adjustment switch, gauge unchanged, indicating that the air filter regulator failure, need of replacement.

3 burning torch nozzle and electrode

Due to improper installation nozzles, such as threaded not tighten the device to adjust the gear properly, need water cooled torch at work, did not seek to pass into the flow of cooling water to the

And frequent arcing will cause premature failure of the nozzle.

The solution is cutting the workpiece in accordance with the technical requirements of the gear equipment properly adjusted, check the torch nozzle is installed securely imprison, need to pass cooling water nozzles should provide

Before the cooling water circulation up. Cutting, adjust the thickness of the workpiece between the torch and the workpiece distance.

4 AC input voltage is too low

The use of plasma cutting machine has a large field of electricity facilities, cutting internal main circuit component failures, etc., causes the input AC voltage is too low.

The workaround is to check plasma cutting machines connected to the grid have sufficient carrying capacity, power cord specifications meet the requirements. Plasma cutting machine installation site

Point, you should stay away from large-scale electrical equipment and often have electrical interference. Use, should be cleaned regularly cutting machine dust and dirt on the component, check the wires are

Whether the aging phenomena.

5 Ground poor contact with the workpiece

Grounding is an essential preparation before cutting work. Dedicated ground unused tool, the surface with an insulating material and the long-term use of the ground so serious aging,

Will cause poor contact with the workpiece ground.

The use of specialized hydraulic pipe fittings tools to be ground, and check the ground insulation effect surface contact with the workpiece, to avoid aging ground.

6 does not automatically break arc sparker

Plasma cutting machine work, we must first plasma arc ignition by high-frequency oscillator excitation electrode and between the inner wall of the gas nozzle to produce high-frequency discharge, the gas

Local ionization of the formation of small arc, this small arc by action of compressed air, ejected from the nozzle to ignite a plasma arc, which is the main task sparker. Normal

, The spark generator working time is only 0.5 ~ 1s, the reason is not automatically broken arc is generally offset control circuit board components, discharge electrode spark gap generator

Inappropriate.

Sparker should always check the discharge electrode, so that the surface remains flat discharge adjust sparker electrode gap (0.8 ~ 1.2mm), if need be,

Change control board.

7 Other

In addition to these reasons, the cutting speed is too slow, cutting torch and the workpiece verticality, as well as the operator of the plasma cutting machine familiarity, operational level, etc.

All affect the stability of the plasma arc, the user should pay attention to these areas.

CNC plasma cutting machine analysis of various aspects of

CNC plasma cutting machine cutting process has cut fast, slotted small features, but many users tend to enterprises in the actual operation of a variety of problems occur

, Resulting in actual cutting speed is limited, slotted too large, cut surface is not the whole phenomenon, excluding CNC plasma cutting machine itself mechanical failures and other factors, the user enterprises in the operation

Is not set correctly for CNC plasma cutting machine related parameters will also affect the actual cutting results, the following will be the Blue Technology Co., Ltd. Wuhan actual shadow npt pipe fittings Experience

Rang CNC plasma cutting machine cutting effect of various factors, and users exchange about business:

A no-load voltage and the arc column voltage

Plasma cutting power, must have a sufficiently high no-load voltage, in order to easy the plasma arc ignition and stable combustion. No-load voltage is typically 120-600V, while

Arc column voltage is quick coupling fittings typically no-load voltage of the half. Arc column voltage increase, can significantly increase the power of the plasma arc, which can improve the cutting speed and cutting of greater thickness

Sheet metal. Arc column voltage tends to increase by adjusting the gas flow and shrinkage does not reach the inner electrode, but the arc column voltage can not exceed 65% of the no-load voltage, otherwise it would be, etc.

Plasma arc instability.

(2) Cutting current

The same can be improved to increase cutting current plasma arc power, but it is limited by the maximum allowable current, otherwise it would be thicker plasma arc column, kerf width increases

, Electrode life decline.

3 gas flow

Increased gas flow both to improve the arc column voltage, but also enhance the arc column compression leaving the role of the plasma arc energy is more concentrated, jet stronger, thus improving

Cutting speed and quality. However, excessive gas flow, but will make the arc column shorter heat loss increases, so that the cutting diminished capacity until the cutting process can not be normal

.

4 pipette shrinkage

Within the so-called shrinkage refers to the tip end of the electrode distance, a suitable distance so that the arc within the torch tip to get good compression, access to energy concentration, high temperature

The effective plasma arc cutting. Distance is too large or too small, will make the electrode severe burning, cutting tip burn and cutting ability. Within shrinkage generally take 8-11mm.

5 cutting nozzle height

Cutting nozzle tip height is the end to be cut from the workpiece surface. The distance is generally 4 ~ 10mm. It is the same with the electrode within the shrinkage, the distance to the right in order to give full

Waving plasma arc cutting efficiency, otherwise it would cutting efficiency and cutting quality or the torch burn.

6. Cutting speed

All of the above factors directly affect the compression effect of the plasma arc, that is, the temperature affect the plasma arc and the energy density, and high-temperature plasma arc, high energy resolution

Set the cutting speed, hydraulic nut so the above factors were associated with the cutting speed. Ensure the cutting quality of the premise, should be possible to improve the cutting speed. This is not only mention

High productivity, and can reduce the amount of deformation of parts cut kerf area and heat affected zones. If the cutting speed is inappropriate, the opposite effect, but will also increase the sticky residue,

Cutting quality.

Elaborate flanged fittings

1 Flange (Flange) also known as flange or flange plate. The tube and pipe flanges are interconnected parts, connected to the pipe end. There are holes on the flange bolts so that the two flange abuts. Sealing gaskets between flanges. Flange screw connection (wire tapping) flange and welded flanges.
(2) a conduit connecting the tube parts. Depending on the connection method can be divided into socket fittings, threaded fittings, pipe flanges and welded pipe fittings four categories. hose assembly Multi-use of the same material of the pipe. There elbows (elbows), flanges, tees, crosses tube (Phillips) and the diameter pipe (size of the head) and so on. Turn the place for pipe elbow; flange for tube and pipe interconnected parts, connected to the pipe ends, pipe tee together for three places; Stone pipe pipe together for four places; iso diameter pipe used for different diameter pipes connected to two places.

Round magnetic grid

Can be interpolated to 22,800 pulses / revolution
Mounted directly on the shaft (e.g., motor shaft)
Non-contact, wear-free measuring principle
Can be applied to most rough environment (protection class IP67)
Anti-vibration, shaking
Application
Measurements such as rotation
Speed
Angle
Number of revolutions
Pitch
Etc.

By using magnetic ring, magnetic grid measuring principle can be a significant advantage into the curvilinear motion applications, such as rotation, angle, circumference measurements.
And compared to conventional grating rotary encoder, magnetic less space, and it is dirt, dust, socketless fitting moisture, vibration and shaking. Measurements on the magnetic reading through the application ELGO traditional incremental sensor GMIX, LMIX, EMIX products to achieve. Sine curve will be read out via the built-in or external reading electronic components (according to the measurement system type) into a square wave signal. Magnetic separation of magnetic sensors done extremely (polar) ring on handling non-contact measurement readings. The size of the ring consists of three (other special size only on request):
Large: outer diameter 72 mm, internal diameter 54 mm, width 7 mm
In: Outer diameter 38 mm, internal diameter 30 mm, width 6.5 mm
Small: Outer diameter 19.7 mm, internal diameter 14.7 mm, width 4.1 mm

The magnetic sensor metric banjo fitting according to the applied magnetic different from the following:
Magnetic spacing from 5 mm for GMIX and LMIX sensor
Magnetic moment 2 mm for higher resolution sensor EMIX

Use afterburner pipe wrench Precautions

Afterburner tube clamp is more familiar as a time-saving tool, but you use the afterburner tube clamp time, pay attention to the following points.
1 To choose the right size;
2 clamp opening to be equal to the diameter of the workpiece;
3 clamp the workpiece to be clamped and then pull firmly to prevent slipping wounding;
4 when using metric hydraulic hose fittings afterburner rod length should be appropriate, not too much force or exceed the pipe clamp allows strength;
5 pipe jaws and adjustable ring to keep clean;
6 tubes money can not be used as a sledgehammer;
7 as a back clamp pipe clamp can not be used.
I hope the above pipe wrench on the use of afterburner precautions introduction, be helpful. Our company's product quality and trustworthy, we are your most trusted friend. Your satisfaction is our unremitting pursuit.

And selection of the type of fitting

Hydraulic system fluid leakage occurred in the pipe joints, pipe joints so that the importance can not be ignored, as is the tubing and tubing fittings, tubing and hydraulic components removable connection between the pieces, it should be installed to meet demolition convenient, reliable connections, reliable sealing, small size, through the oil hose assembly capacity, pressure loss, good processing requirements. Fittings and pipe joints at the tubing connections are welded, card sets, flaring, withholding type and other forms; each form fitting, press fitting the number and direction of passage into straight, right angle, three through other forms; connection with the body of a threaded connection, flange connection, etc.. In addition, some of the fittings to meet the special purposes.

Hydraulic rotary joint has a separate line of its increasingly widespread application

  Working conditions of hydraulic rotary joint according to choose connection method. There are separate lines, can be used for different working conditions needs to make choices, to play the most hydraulic rotary joint
   Great benefits. There are two rotary joints internal precision bearings, smooth durable, reliable, rugged and flexible, the friction coefficient is small, it can speed operation. In general, hydraulic rotary joint is typically used on top of the rotating equipment such as hydraulic actuators hydraulic medium conveying device. Simultaneous transmission medium inlet side according work freely chosen or rear access. Sealing surfaces and seals made ​​of special material, abrasion resistance, long life, corrosion resistance, not leak. Internal seal wear condition by visual appearance of the product that can prevent machine downtime or mechanical damage, to achieve the effect of prevention and reduction of losses.socketless fitting  Replace seal wear and easy maintenance, do not re-purchase of new products, cost savings. Single-loop series rotary joint: a variety of industries to meet domestic demand, the fluid medium water (water), vapor (steam), oil (oil), air (Air), vacuum (vacuum) cutting fluid (coolant), chemical solvents such as toluene .
     Advantages of hydraulic rotary joint relative to the hydraulic mechanical transmission of electrical transmission and advantages of hydraulic transmission in various industries more widely used. Hydraulic rotary joint increasingly widespread application. If the hydraulic actuator relative to the media source is fixed, you can use steel transmission medium to the implementing agency. If the actuator relative to the media source has a small amount of movement (move, rotate, swing) you can use the high-pressure hose connection. If the high-speed rotation of the shaft has a hydraulic cylinder, its transmission medium is required to use the rotary joint. Currently, the rotary joint is not yet standardized, relatively small manufacturers.

Hydraulic quick coupler hydraulic shear in the fire on the application

banjo hose fittings shears: This equipment is mainly used for cutting objects rescue scene, and there is quick connector design, prompt action, control of sensitive, small vibration, easy operation, disposal of all car accidents obvious effect. 20 m long hydraulic hose, convenient remote operation, the device is suitable for various rescue situations. Working pressure 630 bar, the maximum cutting force: 18T, maximum jaw opening stroke: 20 cm, hydraulic tube length: 20m. Earthquake in the East steam secondary, like Mindanao Rural primary schools, secondary schools and other rescue Juyuan ripper construction costs can quickly pieces of contention for the rescue time and rescued countless flowers of the motherland.

Hydraulic multifunction pliers: For rescue scene shear dilation and other functions. In the earthquake relief work to reflect the fast, orderly and save a lot of rescue time and reducing the complexity of the rescue process. In the "5.12" earthquake relief points for the first time Hospital rescued an elderly over sixty years.

Hydraulic spreader: This equipment is mainly used for rescue scene objects shear, expansion, contraction pull clamping impact, jacking, etc., and have quick connector design, simple operation, flexible control for disposal of car accidents, collapse, earthquake disasters. 20 m long hydraulic hose convenient remote operation, working pressure 630 bar, the use of voltage: 230V, maximum expansion force: 18T, maximum jaw expansion stroke: 80 cm, maximum traction: 18T, maximum traction stroke: 80 cm, max. shear force: 18T, maximum jaw opening stroke: 20 cm, hydraulic tube length: 20m, power cord 10.5m.

Hydraulic Quick Coupler leak prevention

In the hydraulic system, both the metal pipe fitting, or hose fittings, there are prone to leakage problems. For ferrule fittings, mostly due to pipeline subject to greater external force or impact, so that the card sleeve loose or deformed face caused by leaking pipe, you should check whether the card holder out of round, whether the defect edge, whether the pipe ends intact and nut, compression level, etc., while also eliminating pipeline force. For flared fittings, mostly due to excessive flaring, quality, undesirable or multiple demolition, resulting in flared cracks or deformation caused by leaks, then you can be re-flared front truncated. hydraulic manifold block If you use a male and female cone top pressure seal, the leakage is mostly due to two cone damage, available on the cone abrasive grit grinding.
      In some with "о" or outer-ring face seal by the occasion, the leakage following reasons: "о" ring aging or deformation caused by leakage; "о" ring assembly is not in place, so that the two plane connection when pressure is uneven or "о" ring being cut cause leakage; "о" rings uncompacted, elastic deformation caused by insufficient leakage; "о" spigot ring groove too deep and cause leaks. In this regard, the need to re-select the same diameter and cross-sectional thick "о" rings can also be sealed with a rabbet plane for cutting grooves or grinding to reduce the rabbet groove depth, so that "о" rings are flexible enough to deformation (compression should generally be between 0.35-0.65mm).
     For the use of oil and rubber, wool felt, soft steel cardboard, combined sealing gasket or sealant leaking pipe joints, whether any material, you should first check the seals for damage, deformation, aging and rough through the large, etc. and then take the appropriate measures.

Application of hydraulic quick coupling

Mobile equipment, industrial mining equipment and dusty environment, a variety of industrial and agricultural equipment performance better, corrosive environments and corrosive liquids, relying on mineral oil and other high voltage equipment operation, siding installation has high corrosion resistance , acids, gases demineralized water and other liquids, heavy construction machinery, vehicles, agricultural machinery and other high-voltage pulse and the connected and disconnected without fluid loss, zero leakage designed for excavator hammer attachment, rock thrust broken machines, test rigs, etc. high voltage pulse conditions rugged design poppet to minimize the pressure loss, and to ensure a good seal, mechanical devices connected under compression fit, heavy industry such as food processing, hydraulic pipe fittings shipbuilding, offshore operations, machine tools, etc., is characterized as disconnected automatically shut off the flow when providing solutions to understand tactics used hoses excessive force may occasionally be placed in any place, tractor trailers and general equipment, 700BAR working pressure high pressure water jet system with mobile industrial and agricultural machinery and equipment used trailers. engineering equipment and agricultural machinery, industrial equipment, mobile applications ISO.A stainless steel, corrosive environment, the protection requirements with hydraulic torque and rotational lines, tractors, combine harvesters, prior to the loading machine, snow machine, mini-excavators, cranes and general industrial equipment, agricultural. Municipal vehicles and construction equipment to simultaneously connect multiple devices hose, hydraulic mineral oil used, mobile devices and industrial equipment, corrosive environments and liquids, mobile devices and industrial equipment to prevent damage due to sudden or blasting hose system load caused by uncontrollable decline in viscosity of the liquid is not high hydraulic systems and online use, corrosive liquids and corrosive environments

Hose assembly failure analysis

1, symptoms: hose inner tube is very hard, has been cracking.

   Analysis: temperature of the inner tube is easily precipitated plasticizer, which is a flexible hose can be a plastic material. Entrained gas oil oxidation allows the inner tube. Occur in the rubber products such oxidation reactions can be cured. Oxygen and temperature, will greatly accelerate the hardening of the hose tube. Occurred inside the inner tube cavitation also have the same effect.

2, symptoms: hose cracking internally and externally, but the elastic material is still soft at room temperature deflectable.

   Analysis: The likely reason is that the hose when the ambient temperature is very low deflection. Most standard hose is rated to -40 degrees, and some AQP hose rated temperature is -49 degrees, usually military hose rated temperature is -54 degrees, and some thermoplastic hose rated temperature is -54 degrees, poly four vinyl fluoride hose rated temperature is -73 degrees.

3, symptoms: hose rupture, banjo hose fittings peel the outer layer of wire reinforced rubber examination found that the entire length of the hose irregular wire breakage.

   Analysis: This indicates the pressure of the hose in a highly frequent fluctuations. SAE American Automobile Association, the two-story steel braided hose impact testing required at 133% of the recommended operating pressure of up to 200 000 cycles. About four-spiral hose SAE impact test requirements of up to 500 000 cycles. If the number of pulses within the extrapolation in a short time, more than one million times, the best choice for the enhancement layer wound hose.

4, symptoms: hose rupture, but not displayed on the entire length of the hose with multiple wire breakage. May be more than one hose rupture.

   Analysis: banjo fitting This indicates that the pressure has exceeded the minimum burst strength of the hose. Recommended to use higher-strength hose, or hydraulic lines appear abnormally high pressure conditions can cause malfunction.

Characteristics and uses

High pressure hose assembly is normally provided by the liquid-resistant synthetic rubber inner layer, middle layer, Ⅰ to Ⅵ layer wire braid reinforcement, and weather-resistant synthetic rubber with excellent performance cover. hydraulic hose fittings Mainly used in hydraulic support mine, oil field exploitation, suitable for construction, lifting transport, metallurgy, forging, mining equipment, ships, injection molding machinery, agricultural machinery, machine tools and various industrial sectors mechanization and automation of hydraulic transmission system has a certain pressure and temperature based (such as mineral oil, soluble oil, hydraulic oil, fuel oil, lubricating oil) liquid, water-based liquids (such as emulsion, oil-water emulsion, water), gas and liquid transmission and other fields.

Flared fittings andInsert Welded pipe joints

Using flaring tube ends are sealed, no additional seals. Simple structure, suitable for thin-walled pipe coupling for oil and gas as a medium low pressure pipeline system, which allows the use of pressure are shown in Table 41 Table 27 ~ 41GB5625.1 ~ 5653-1985
Insert Welded pipe joints
Will require the length of the tube into fitting until the pipe end in contact with the inner end of tube hydraulic hose sleeve  tube and pipe joints will be welded into one, eliminating the need to take over, but require strict application of pipe size to oil, gas pipeline system for the medium Table 43 ~ 49JB3878-1985

Welded pipe joints and ferrule fittings characteristics

Welded pipe joints
Use over and pipe welding. Between the connector body and takes over the O-ring seal. Simple structure, easy to manufacture, sealing, pipe size for less precision. Requires high quality welding, assembly and disassembly inconvenience. Working pressure up to 31.5MPa, operating temperature -25 ~ 80 ℃, as the medium for the oil pipeline system.
Card sets of pipe joints
Stuck pipe deformation using the card sets and sealed, advanced structure, good performance, light weight, small size, easy to use, widely used in hydraulic systems. hydraulic hose sleeve Working pressure up to 31.5MPa, required pipe size, high precision, cold drawn steel pipe required. Card sets are also high precision. For oil, gas and general corrosive media pipeline system

Flared fittings andInsert Welded pipe joints

Using flaring tube ends are sealed, no additional seals. Simple structure, suitable for thin-walled pipe coupling for oil and gas as a medium low pressure pipeline system, which allows the use of pressure are shown in Table 41 Table 27
Insert Welded pipe joints
Will require the length of the tube into hose fittings until the pipe end in contact with the inner end of tube fittings, tube and pipe joints will be welded into one, eliminating the need to take over, but require strict application of pipe size to oil, gas pipeline system for the medium

Hydraulic valve block to achieve the leading domestic

The development of hydraulic valves, according to Chinese nuclear power plant development of the excellent situation and status of the development of nuclear power valve to achieve rapid development of nuclear power, hydraulic manifold localization, Shenyang Saatchi high pressure valves Ltd. Chief Engineer at Guoliang believes that China's valve business, industry and the state should take measures to address the impact of hydraulic manifold block localization issues:
One as soon as possible complements the hydraulic valve block of the technical standards and specifications. The existing EJ, GB, according to ASME, RCC-M standard complements, in line with national conditions, improve the operability to facilitate domestic nuclear power valve in the design, material selection fabrication, inspection and other aspects can be achieved on the localization.
(2) integration of Chinese valve industry nuclear power valve experiments, detection and identification of the equipment and capabilities, sharing resources, avoid duplication of investment redundant construction, speed up the development of nuclear power valve speed.
3. Strengthen personnel hose nipples training and the introduction of nuclear power technology absorption manifold to improve nuclear power valve design capability and level.
4 increase investment in software and hardware to ensure that the design, manufacture advanced means, spare parts processing and machine assembly and reliable quality.
5. Strengthen welding, non-destructive testing, heat treatment and other special craft personnel training assessment. Research and the use of advanced technology, the parts manufacturing quality standards to meet the design drawings and specifications.
6 nuclear security awareness education and training of workers, strengthen the manifold block design, manufacture whole process of quality management, improve management level.

Hydraulic ferrule

Bearing rings bearing ring having one or several roller bearing to the heart of the ring-shaped parts.

1 inner inner ring

Raceway outer surface of the bearing rings.

2 outer ring outer ring

Raceway surface of the inner bearing ring.

3 conical inner cone

Tapered roller bearing inner ring.

4 conical outer cup

Tapered roller bearing outer ring.

5 pairs of roller cone inner double cone

With double raceway tapered roller bearing inner ring.

6 pairs of roller cone cup double cup

With double raceway tapered roller bearing outer ring.

7 wide inner ring extended inner ring

Widened at one or both ends of the bearing inner ring, in order to improve its internal bore axis guide or mounting fasteners or
metric banjo fitting supplementary position of the seal.

8 locking inner stepped inner ring

One shoulder wholly or partly removed groove type ball bearing inner ring.

9 locking outer counterbored outer ring

One shoulder wholly or partly removed groove type ball bearing outer ring.

10 Drawn cup drawn cup

By a thin metal plate stamping, end sealing (sealed drawn cup) or open at both ends of the ring, the general point needle roller bearing outer ring.

11 flange outer flanged outer ring

There flange bearing outer ring.

12 Spherical outer ring aligning outer ring

A spherical outer surface of the outer ring to fit its axis line and the bearing axis of angular displacement generated between the permanent.

13 Spherical outer ring aligning housing ring

For aligning the outer ring between the ferrule and the housing bore, has a spherical outer surface of the outer ring of the spherical inner surface of the mating.

14 spherical spherical outside surface

The bearing surface of the outer ring is part of the ball.

15 conical outer front wall cup front face rib

Tapered outer raceway on the front wall, to guide and to withstand roller roller large end thrust.

16 in the ring centre rib

socketless fitting With double raceway bearing rings, such as double-tapered inner ring raceway in the middle of the whole wall.

Welded flange

Welded flange forming process is very complex , especially for large welded flange production cost is great, often need to warm up beforehand . Computer simulation of deformation of the flange is related to the process of raw materials and deformation temperature and the mechanical properties of a mathematical model representation , by means of computer simulation at any instant during deformation and stress-strain state temperature distribution . Process using computer simulation and physical simulation, the two can be mutually supporting and complementary . As welded flange forming process and the physical existence of geometric nonlinear nonlinear problems, so that the main stress method , slip line method and the upper bound method and other traditional methods in the analysis of the type of problem and the practical application of aspects there are significant limitations sex . The finite element method so that the physical characteristics of the plastic deformation process to get real inclusion, to comprehensively consider various boundary value , initial conditions, and for complex boundary with high fitting accuracy , thus becoming the metal forming process numerical Simulation of the mainstream approach . Over the past decade , with the rapid development of computer technology and increasingly sophisticated numerical methods , especially with welded flange technology continues to improve and develop , flange numerical simulation in plastic forming application has been booming , increasingly wide range of applications . hydraulic couplings From sheet metal forming the bulk metal forming , the forming simulation results from forward to backward simulation predictions for preform design , from taking into account the thermal deformation and thermal conduction to the right welded flange coupling analysis and defect microstructure prediction everywhere showing finite element simulation technology in the field of plastic processing important role and position. From plastic finite element numerical simulation technology development, the finite element method has been out of purely theoretical analysis and simulation for the exploratory phase , have been widely used in industrial production.
            In forging technology, the first rigid method axisymmetric closed die forging process of the digital simulation and experimental results are compared with , both relatively good. On the rigid law was further strengthened improvement proposed to deal with arbitrary shapes welded flange boundary conditions approach. Dimensional rigidity , simulation of the rectangular cross-section annular ring blank is forged into a circular cross section of the forging process . Mapping method based hexahedral meshing technology and based on the boundary conformation remeshing technique, forged steel bearing shaft without simplifying supernatural forging process was simulated calculations and experimental results is relatively good. Had been rotary forging process simulation , revealing the disc center cracking when rolling elements . Coupled thermo forming process analysis will consider the temperature distribution of the steel deformation problems , and considering plastic deformation work and the contact interface friction work simultaneously solving the problem of heat transfer , thus improving the accuracy of welded flange . Method for the first time using elastic deformation of steel bars with a thermal heat exchange coupling analysis . Etc. coupled thermal steady state flow calculation, analysis of rolling, extrusion, drawing and other forming process . Method using steel welded flange forging process simulation analysis , a rough calculation of non-uniform temperature field and forgings internal residual stress. On many occasions, such as a continuous forging process temperature distribution analysis of the situation , china hydraulic hose the more close to the actual simulation . With the gradual improvement of the forward simulation technology , reverse welded flange technology has been developing rapidly.

Pattern differences and experimental applications

· Object Adapter Mode - In this mode, the adapter, the adapter accommodates one which I wrapped class. In this case, the adapter calls the object wrapped physical entity.
· Class Adapter pattern - this adapter mode, the adapter implementation classes inherit their own (usually multiple inheritance).
Adapter does not have the data rate conversion.
Experimental application
A laboratory centrifuge normally can be equipped with a plurality of rotor, capacity sizes when the same centrifuge capacity needs with the same type but of varying two rotors, valve block you can consider a large capacity to put a hole in the tube adapter in order to achieve suitable for small-capacity test tube test tube hole, so you only need to add a rotor coupled with high capacity to meet the requirements of a set of adapters, so that both can dispense change when dismantling the rotor complex processes, but also save money because of a adapter's price is far lower a rotor price.

Hose adapter

Hose adapter is an interface converter , it can be a separate hardware interface device that allows hardware or electronic interface with other hardware or electronic interface is connected , it can be information interfaces . For example : power adapter, tripod adapter base component , USB and serial port adapter equipment.

In the computer, the adapter can be inserted typically available in the card slot on the motherboard (also external ) ... card adaptation information processor and adapter supports exchange between devices .

The power adapter is small portable electronic devices and electronic and electronic power conversion equipment , usually by the shell, power transformer and rectifier circuit, its output can be divided into AC output and DC- output type ; press connection can be inserted into the wall mount and desktop . Mobile PC because there is no battery, power adapter it is particularly important.

Most mobile PC 's power adapter can automatically detect 100 ~ 240V AC (50/60Hz). Basically all mobile PC regarded external power supply , with a line and a host connection , reusable fitting so you can reduce the size and weight of the host , only a handful of models built in the power supply within the host . The power adapter has a nameplate above marked power , input and output voltage and current and other indicators, with particular attention to the input voltage range , which is called "travel power adapter ."

When MBean registered in the MBean server, you need to interoperate with these MBean agreement and from the management application to retrieve information requests . This is enabled by the protocol adapter , it will manage application data to a standard protocol message.

Multi-protocol proxy support protocol adapters include : SNMP, TL1, RMI, CORBA, HTTP and HTML adapter.

In the actual development process, we often encounter such a thing, we need to develop according to a preliminary base class , learned of the development process detailed requirements or needs have changed. The development work interfaces already defined, and has been put into mass encoding . If you change the definition of the interface at this time will cause a lot of repetitive coding modification work , and thus may result in modification of an incomplete semantic errors or logic errors. Semantic errors can still find at compile time , and in the event of logical errors , the consequences will be very serious , even enough to cause the system to crash. At this point you need to use the Adapter pattern design.

In computer programming , the adapter pattern ( sometimes also known as package styles or packaging ) will be a class interface adapted to the user is looking for. An adapter allows usually because of incompatible interfaces can not work together, work together in a class , the class approach is wrapped in its own interface to an existing class.

Adapter mode is mainly used when the interface is defined in the method can not meet the needs of customers , or the interface name of the method defined in the interface with the customer needs or method of a conflict situation.

Adapter mode to use:

With a class inherits both interfaces and classes are known , using the known class defines metric banjo fitting the methods and properties , etc. , to achieve the interface definition ( the main advantage of the overloaded interface method approach ) . The use of such other business as the base class , which is the adaptation of the interface and the class known classes. If known class changes, simply modify the class adapter , to meet the interface.

Use afterburner pipe wrench Precautions

Afterburner tube clamp is more familiar as a time-saving tool, but you use the afterburner tube clamp time, pay attention to the following points.
1 To choose the right size;
2 clamp opening to be equal to the diameter of the workpiece;
3 clamp the workpiece to be clamped and then pull firmly to prevent slipping wounding;
4 when using afterburner rod reusable fitting length should be appropriate, not too much force or exceed the pipe clamp allows strength;
5 pipe jaws and adjustable ring to keep clean;
6 tubes money can not be used as a sledgehammer;
7 as a back clamp pipe clamp can not be used.

First, the sleeve pipe connector Features

Card sets of pipe joints for feature relies ferrule cutting edge, firmly grip the pipe wall, so that the high pressure fluid inside the tube is fully sealed.

This connector also has a locking structure characteristics, impact resistance, vibration resistance. Bite-fit tube fittings suitable for small diameter high-pressure system. Squeeze tube fittings suitable for medium and low-pressure pipe, such as indoor hot water heating, water supply, hot water, gas pipeline. Currently used aluminum tube is extruded pipe connection tube fitting connections. hose assembly As indoor heating pipes, hot water, water supply, gas pipeline to connect using the above process, reducing the threaded connection, greatly improved the foreman labor intensity, effectively reducing the project cost (due to indoor heating pipe thread connection required union or filament connections, while the use of the card sets of pipe joints can be reduced union or pipe clamps, filament, roots mother, but also reduces the leakage point). Since no special tools and flare welding, flammable, explosive areas and high altitude places pipeline particularly well suited.

Card sets of pipe fittings manufacturing standards

Card sets of pipe joints Applicable medium: oil, water, gas and other non-corrosive or corrosive media, sealing fittings, equipped with aluminum pipe specifications more flexible, and pipeline connection, having a solid connection, good sealing performance characteristics, which in the refining, chemical, light industry, textile, valve block defense, metallurgy, aviation, shipbuilding and other systems are widely used; also applies to a variety of mechanical engineering, machine tools and other hydraulic transmission lines.
Card sets of pipe fittings manufacturing standards:
1, straight sleeve type end fittings (GB / T 3733-2008)
2, card sets straight tapered thread fittings (GB / T 3734-2008)
3, long straight sleeve type end fittings (GB / T 3735-2008)
4, long sleeve type tapered thread fittings (GB / T 3736-2008)
5, the card sets straight couplings (GB / T 3737-2008)
6, flared elbow fittings (GB / T 5630-2008)
7, flaring adjustable elbow to the end fittings (GB / T 5631-2008)
8, flared combination of bending pipe fittings (GB / T 5632-2008)
9, flared toward the end tee adjustable (GB / T 5633-2008)
10, flared combination of bending tube fittings (GB / T 5634-2008)
11, sleeve ends adjustable elbow to the tee (GB / T 3743-2008)
12, sleeve type taper threaded elbow tube fittings (GB / T 3744-2008)
13, ferrule tube fittings (GB / T 3745-2008)
14, sleeve type tube fittings (GB / T 3746-2008)
15, ferrule tube fittings (GB / T 3747-2008)

HMB

A hydraulic manifold, it will a group of suction check valve (4), a group of pilot operated check valve, a group of overflow check valve, a pressure relief valve integrated through the oil passage. It is one-way valve and pressure relief valve with overflow, which with the oil pipe (14) communicated to the pressure control to the desired value. It has a check valve, when the system stops working, the control oil pressure also decreased, while closing the check valve, make parts quickly stop the movement, from the self-locking effect. The utility model has small size, used in hydraulic drive device is easy to install, making stand-alone compact structure.
Sovereignty items
Claims 1, to a hydraulic bolt manifold, it mainly consists of housing, oil inlet (1), the oil port (2) as well as oil passageway composition, wherein the inlet (1) and the inlet pipe (12) showed a communicating state, the inlet duct (12) ends of the two suction check valve (4) in the inlet was communicating state, each of the suction check valve (4) and the oil outlet pipe, respectively, with the pump (13) was connected state, the pump tubing (13) and the oil pipeline (14) was connected states, each of the oil pipeline (14) and check valve (5) is connected to the inlet pass, check valve (5) out of the oil port and manifold outlet port (2) was connected state, each of the oil pipeline (14) and the overflow check valve (6) is connected to the inlet pass, each overflow unidirectional the valve (6) of the oil outlet and the overflow pipe (17) connected to pass, each of the overflow pipe (17) and the pressure relief valve (7) showed the inlet metric banjo fitting communicating state, relief valve body and the overflow Movement connectivity status.

Hydraulic Hose

Hydraulic hoses mainly by liquid-resistant inner layer, middle layer, 2, 4 or 6 layers wire reinforced layer, outer layer, the inner layer has a transmission medium under pressure to protect the wire from erosion effects outer layer to protect wire from damage, wire layer is a reinforcing material from the enhancement.

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Temperature

Oil -30 degrees to 80 degrees; air -30 degrees to 50 degrees, the water 0 degrees to 80 degrees.

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Media

For hydraulic power manifold block transmission or conveying water, gas, oil pressure medium, in order to ensure that the liquid circulation and transmission fluid energy.

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Feature

1 Hose special selection made ??with synthetic rubber with excellent oil resistance, heat aging resistance.

(2) Hose high pressure, pulse performance.

3 tube tightly, use a soft, small deformation under pressure.

4 hose has excellent resistance around the song and fatigue resistance.

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Use
Products are mainly used in hydraulic support mine, oil field exploitation, suitable for hydraulic couplings construction, lifting transport, metallurgy, forging, mining equipment, ships, injection molding machinery, agricultural machinery, machine tools and various industrial sectors of mechanization and automation in the hydraulic system has a certain pressure (higher pressure) and temperature based (such as mineral oil, soluble oil, hydraulic oil, fuel oil, lubricating oil) and water-based liquids (such as emulsion, oil-water emulsion, water), and transmission fluid used, the maximum pressure resistance of up60MPa。

CNC flame cutting machine cutting plate inclination operating skills

 CNC flame cutting machine cutting plate inclination operating skills
More than 25mm thick metal cutting CNC flame cutting machines in operation, its cutting quality results compared to plasma cutting has obvious advantages, the main

Manifested in the vertical plane and slotted finish, the other using CNC flame cutting machine can provide for the needs of cutting angle, when the use of flame cutting torch high

Degree of control, the teflon hose size of the air pressure, cutting speed and cutting thickness is an important factor to consider. Here CNC flame cutting machine torch inclination to be a simple set

Analysis:

According CNC flame cutting machine automatic cutting and semi-automatic cutting different ways to adjust the distance between each of the torch, determined the amount of drag, and consider cutting compensation; after cutting

Cutting process, the size of the torch angle and direction of the thickness of the steel plate mainly when cutting thick cut pieces of <10mm when needed torch inclination backward 10 ° -15 ° to make the cut

Cut to achieve the best; otherwise you will need to torch perpendicular to the plate surface. Also in terms of quantity kerf width is required to remain entirely based on cutting thickness from the line settings, where

We take the two kinds of thickness to a brief description of the relationship between the two, for the <10mm thick plate cutting kerf compensation generally set to 1mm down; 40mm or more in the timber

Material, cutting kerf compensation setting is generally about 3mm.

CNC flame cutting machines during automatic cutting, hanging steel to cutting platform, should be adjusted unilaterally steel rails across the head and distance difference of 5mm range. In

Semi-automatic cutting, should be cut steel rails placed on the plane, and then cutting machine lightly on the rail. So there is the side facing the torch operator, according to the

Selection of cutting nozzle plate thickness, adjusting cutting straightness and cutting speed.

It should be noted that, before we are talking about are based CNC flame cutting machine processing as the basis for the use of plasma cutting and processing enterprises, achieving angle cut

Cutting process is the socketless fitting establishment of any course, the key lies in matching plasma cutting power source output can be achieved in the process of cutting angle, wear plate thickness changes, such as a

Taiwan LGK-100A plasma power, cutting 8mm thick material, the inclination angle of the cut is relatively limited; while for 10mm thickness of the material is completely impossible dumping

Angle cutting, which is also requested user's attention.

cutting machine features and considerations

Feature
1 sawblade. Low noise. Safety;

2 foot switch, automatic pressure and cutting operations;

3 Use the 12mm rubber block binder, not damaged;

4 can be single or multiple sections with saws;

5.800mm long feed channel plate can improve sawing accuracy;

6 automatic side injection, oil can be adjusted separately. Cut no edges, the blade is more durable;

7 This machine was valve block computer machining, sawing accuracy.

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Precautions

1) Move the table or spindle, according to the near or far with the workpiece correctly selected speed, moving too fast to prevent a collision.

2) When programming according to the actual situation to determine the proper processing and processing route, to eliminate the position due to inadequate processing or take the side of the workpiece caused by insufficient strength scrapped

Or early fall off.

3) wire cutting programs and must be confirmed before the amount of compensation is correct.

4) Check the wire tension is adequate. In cutting taper, the tension should be adjusted down to the usual half.

5) Check the electrode wire feeding speed is appropriate.

6) to be processed according to the actual situation of open selection process or adhesion process, under the premise of avoiding interference to shorten the distance between the nozzle and the workpiece. Adhesion plus

Hours of work, the distance between the nozzle and the workpiece generally take 0.05 ~ 0.1mm.

7) Check the jet hydraulic couplings stream selection is reasonable, high pressure jet roughing, finishing with a low pressure jet.

8) from the cutting process stability should observe judge found that adverse timely adjustments.

9) process, should regularly inspect and supervise the cutting conditions and found the problem immediately.