When rupture occurs parher Hydraulic Hose Fittings

The main coal industry Hydraulic hose hydraulic hose bracket. In recent years, the pressure and some coal hydraulic support requirements have been increased, part steel braided hose does not meet the performance demands to use wire wound tubing. In addition, to prevent coal mine manifold block assembly coal dust pollution and improve the process of production safety, increased coal use tubing varieties, such as coal hose connector seam sealing water exploration telescopic tubing, used in coal mine face before mechanized mining of coal seam water , grouting and other operations. According to reports, the domestic manufacturers have, and after more than a dozen coal trial, can replace similar imported products.

Reusable hose fitting standard presentation .

Which is larger than the hole size should be appropriate to the size of the enhancement layer, or can not load, or even cause an enhancement layer completely loose head phenomenon. Clearance is generally 1 ~ 1.5mm. Coat the inside of the groove will directly affect hydraulic hose adapters the quality of the joint. There are currently no slot straight holes, jagged and serrated groove and an annular trough combined. Cotton (fiber) due to the use of low pressure braided hose, pull off force is small, have adopted no-slot structure. Wire braided hose in the enhancement layer prone to withhold its bending, multi-use serrated. Steel Pipe layers generally more unilateral enhancement layer thickness up to 3.6mm, while withholding make enhancement layer wavy deformation into the trench must adopt zigzag ring and groove combination, this slot sawtooth-shaped than the width of 2/3, its anti-pull off stronger.hydraulic adapters Withholding process is the most important factor affecting quality. Impact withhold hose connector assembly quality is the most important process factors withhold processes. There are currently two ways to withhold An axial push-in (Fig. 4) can be used in common for mold press to be achieved. Its not easy to adjust the amount withheld, the withholding process is easy to damage the outer surface of the jacket. To remove withhold pieces. The mold must be made waffle. It has a seam that finished look bad. Another radial withhold its mold has folio, three, six and eight-mode points. Six lobe is generally used for mass production, and eight petal mold to ensure the quality of basic withhold the correct amount of compression to master the rubber hose and coats withholding amount. According to production practice. Empirical formula can be used to calculate the amount of compression is relatively simple glue.

parher Hydraulic Hose Fittings according to the form and friction materials,

according to the form and the friction of the material. Oil in contact with the stator blade surface and vane pump in motion easy to wear, its steel - steel friction material, as applicable to the ZDDP anti-wear agent L-HM anti-wear hydraulic oil; piston cylinder, oil pan, form and movement forms piston friction is also suitable for hydraulic hose clamps use HM hydraulic oil, but there are bronze piston pump parts, due to the effects of this material components with ZDDP corrosion and wear, so it is not piston bronze pieces use with ZDDP as additives HM hydraulic oil sae flanges. Meanwhile, the choice of hydraulic oil and hydraulic systems must also consider its sealing material to adapt. General vane pump can be used zinc anti-wear hydraulic oil, piston best selection of ash-type oil. Vane pump pressure is higher than 15MPa, piston pressure is higher than 30MPa, pump hydraulic system two models exist, and should be used in compliance with Denison HF-0 specification oil. Gear pumps, vane pumps and piston pumps are the main hydraulic system pump type, the order of the hydraulic oil lubrication effect of the three pumps is less wear vane pump> Pump> gear pump. Therefore, all the main oil pump vane pump hydraulic system pressure regardless of the size selection HM oil as well.

metric hose fittings Features

1 Hose special selection made ​​with synthetic rubber with excellent oil resistance, heat aging resistance.
2 hose bearing pressure, pulse superior performance.
3 tube tightly, use a soft, small deformation under pressure.
4 hose has excellent resistance around the song and fatigue resistance.
5 large steel braided hose length, φ32 length of 20 meters or more, φ25 can connect more than ten meters or less even hundreds of meters.

reusable hose fitting conservation matters

1, often moving surface reusable hose fittings injection mold base to wear lubricants.
2, non-pressure pipe machine hours, please cover dust cover to prevent debris falling into the mold base.
3, hydraulic oil tank over time specified by the manufacturer of metric hose fittings hydraulic oil should be replaced, or the visual oil level gauge, if the hydraulic oil has been oxidized black bias must be replaced. Hose crimping machine maintenance on the importance of this simple three-step, the most important thing is the staff to do a better pressure pipe machine maintenance.

reusable hose fitting Clouds metal is mainly engaged in the production

Clouds Metal: World leading magnesium alloy
Magnesium alloys because of its greater toughness, hardness and light weight characteristics , widely used in automotive and 3C products in the field of information technology , reusable hose fittings aluminum magnesium alloy instead of the automotive industry will be the future trend of development . China's new auto industry policy proposed to vigorously foster and develop new energy automotive industry , and actively promote energy conservation of traditional energy vehicles , and properly solve the energy , transport , environment and other issues arising from the rapid development of automobile industry in 2020 as the initial construction automotive industry powerhouse. Magnesium alloys in energy conservation, low-carbon environment has unique attributes advantage, cars are the main areas for future consumption of magnesium alloy , magnesium alloy applications in automotive lightweight prospect areas will be very broad. We focus on the magnesium alloy leading companies : clouds of metal .

Clouds metal is mainly engaged in the production and sales of magnesium alloy and aluminum , magnesium extraction from raw dolomite ( calcium magnesium carbonate ) . Is one of the world's largest manufacturer of professional magnesium alloy production capacity for many years ranked first in the country , is China 's leading enterprises magnesium metric banjo fittings alloy production .

The company is basically in the form of magnesium from magnesium ore industry - primary magnesium - magnesium alloy - a complete industrial chain layout die casting . Magnesium ore areas: In January 2008, a wholly owned subsidiary company of clouds Magnesium five five dolomite mineral mining rights , the production scale of 108,000 tons / year. June 2010 , a wholly owned subsidiary of Chaohu Magnesium clouds made ​​of moss mountain magnesium ore and metallurgical dolomite mining rights , magnesium ore ( smelting magnesium dolomite ) the amount of 49,153,100 tons of ore , metallurgical dolomite ore 3,967,800 tons. Magnesium resources by expanding upstream , the company five clouds Magnesium 50,000 tons of magnesium alloy and Chaohu Magnesium Resources clouds of 100,000 tons of magnesium alloy to achieve a 100% self-sufficiency rate . The Suzhou clouds currently 40,000 tons of magnesium alloy production capacity of the main raw material is scrap downstream users , resource supply is guaranteed. Magnesium alloy : The company currently has 90,000 tons of production capacity , including Suzhou and Shanxi Wutai clouds clouds Magnesium Magnesium Magnesium alloy two production bases in Suzhou clouds current production capacity of 40,000 tons , five additional 20,000 tons of clouds 2010 production capacity to about 50,000 tons . The company also invested in Chaohu 100,000 tons of magnesium alloy construction projects , according to the plan Chaohu clouds 100,000 tons of magnesium alloy project will be built in two phases , respectively, 50,000 tons of production capacity in 2011 and 2013 , so in 2011 , in 2013 the company magnesium alloy production capacity will reach 140,000 tons , 190,000 tons . Casting : the company 's IPO raised an annual 5,000 tons of cast magnesium alloy die castings transformation projects at April 30, 2009 has reached its intended use project status date . However, due to the long certification and automotive products development cycle , the majority of product development at the trial stage of development is not mass production , leading the company 's sales volume die casting product does not meet the requirements of project planning , capacity underutilization , bsp multiseal fitting resulting in failure to achieve the expected benefits , along with product certification and the completion of the development , the income will gradually die casting outbreak .

Three quarters of 2010 EPS was 0.14 yuan , 0.16 yuan for the whole year is expected . As the company where the future development of magnesium alloy industry a huge space , and the company for the industry giant, while aluminum production capacity expansion for the performance of the company to provide some support , is expected to net profit CAGR for 2010-2012 could reach more than 100%. 2011 corresponding to earnings ratio of around 60 times . Outlook worthy of attention !

Hydraulic Hose Fittings With the development of integrated circuit

BGA ball grid array package
With the development of integrated circuit technology, integrated circuit packaging requirements more stringent. This is because the packaging technology related to the functionality of the product, when the IC when the frequency exceeds 100MHz, traditional packaging methods may produce so-called "CrossTalk" phenomenon, and when the IC pin count is greater than 208 Pin, conventional packaging methods are its difficulty. Therefore, in addition to using the QFP package, but most of today's high-pin-count chips (such as graphics chips and chipsets, etc.) are used instead BGA (Ball Grid Array Package) packaging technology. BGA appeared became CPU, motherboard Northbridge / Southbridge chip high-density, high-performance, multi-pin package the best choice.
Details BGA packaging technology can be divided into five categories:
1.PBGA (Plasric BGA) substrates: generally 2-4 layers of multilayer organic material. Series CPU in Intel, reusable hydraulic hose fittings Pentium II, III, IV processors are using this package.
2.CBGA (CeramicBGA) substrate: a ceramic substrate, the chip and the substrate usually electrical connection between the flip-chip (FlipChip, abbreviated FC) is installed. Series CPU in Intel, Pentium I, II, Pentium Pro processors are adopted such a package.
3.FCBGA (FilpChipBGA) substrate: Rigid multilayer substrate.
4.TBGA (TapeBGA) substrate: a substrate for the ribbon soft 1-2 layer PCB.
5.CDPBGA (Carity Down PBGA) substrate: refers to the central square sunken packaged chip area (also known as the cavity area).
BGA package has the following characteristics:
1.I / O pin count although increased, but much larger than the distance between pin QFP package to improve the yield.
(2) Although the power consumption increases the BGA, but due to the controlled collapse chip welding, which can improve the heating performance.
3 signal transmission delay is metric hydraulic hose fittings small, adaptive frequency greatly improved.
4 coplanar welding assembly availability, reliability is greatly improved.
BGA package after ten years of development has entered a practical stage. In 1987, Japanese Citizen (Citizen) Company began to develop plastic ball grid array package surface of the chip (ie, BGA). Then, Motorola, Compaq and other companies also went into the development of the BGA ranks. In 1993, Motorola will be the first BGA used in mobile phones. In the same year, Compaq also workstations, PC computer to be applied. Until 56 years ago,, Intel Corporation in the computer the CPU (ie, Pentium II, Pentium III, Pentium IV, etc.), as well as chipsets (eg i850) started using BGA, BGA applications extend this right to play a role in fueling. Currently, BGA has become extremely popular IC packaging technology, its global market size in 2000 sae hydraulic flanges was 1.2 billion, the market demand is expected in 2005 than in 2000 more than 70% rate of growth.