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non-standard special type cylinder Sold to Austria

Release time:2023-11-12 15:30:36 Hits: Current position: Home > News

This article mainly introduces:

Austria hydraulic cylinder,non-standard special type cylinder manufacturer,non-standard special type cylinder

Austria non-standard special type cylinder

(Austria non-standard special type cylinder,produced by Hebei Hengyu company)

non-standard special type cylinder are widely used in Austria,because of clever hydraulic energy conversion,simple structure and reliable operation,excellent temperature resistance.So our company has designed non-standard special type cylinder for customers from Austria.

Introduction to non-standard special type cylinder:

The coordination of the sliding parts of the non-standard special type cylinder itself should not be too tight, the sealing friction force should not be too large, and H8 / f8 coordination should be selected between the piston rod and the guide sleeve; Check whether the size of the sealing ring is processed strictly according to the standard; If the V-shaped sealing ring is used, the sealing friction should be adjusted to a moderate degree.

If it is found that the non-standard special type cylinder lubrication is poor or the non-standard special type cylinder bore processing is abnormal, it is necessary to feedback the situation to the manufacturer, because the piston and the non-standard special type cylinder, the guide rail and the piston rod have relative movement, if the lubrication is poor or the non-standard special type cylinder bore is abnormal, it will aggravate the wear and reduce the straightness of the non-standard special type cylinder center line. In this way, when the piston works in the non-standard special type cylinder, the friction resistance will be large and small, resulting in slip or crawling. The solution is to repair and grind the non-standard special type cylinder first, and then prepare the piston according to the matching requirements, repair and grind the piston rod, and configure the guide sleeve.

The pressure, temperature, medium and speed of different types of seals are not the same, water-ethylene glycol medium (HFC) can not be sealed with polyurethane, it can only use rubber seal; When the non-standard special type cylinder is running fast, it must be sealed with slip ring, such as Sterseal, Glairing, GD1000K, TDI, etc., when the running speed is slow, Yx, U, V combination seals can be used; Fluorine rubber seal is used in high temperature and high pressure environment; When the running speed is fast, the buffer sleeve and buffer valve must be considered.

non-standard special type cylinder is the most important part of construction machinery, the traditional processing method is: broaching non-standard special type cylinder block - fine boring non-standard special type cylinder block - grinding non-standard special type cylinder block. The rolling method is: broaching non-standard special type cylinder block - fine boring non-standard special type cylinder block - rolling non-standard special type cylinder block, the process is 3 parts, but the time is compared: grinding 1 meter of the non-standard special type cylinder block is about 1-2 days, rolling 1 meter of the non-standard special type cylinder block is about 10-30 minutes. Input comparison: grinding machine or quilting machine (tens of thousands - millions), rolling knife (ten thousand - tens of thousands). After rolling, the surface roughness of the hole decreases from RA3.2-6.3 μm before rolling to Ra0.4 ~ 0.8μm, the surface hardness of the hole increases by about 30%, and the fatigue strength of the inner surface of the non-standard special type cylinder increases by 25%. If the non-standard special type cylinder life is only considered, it is increased by 2 to 3 times, and the boring and rolling process is 3 times more efficient than the grinding process In particular, if you want to make high-quality non-standard special type cylinders, you must take the rolling production process. After the non-standard special type cylinder is rolled, there is no sharp tiny edge on the surface, and long-term motion friction will not damage the seal ring or seal, which is particularly important in the hydraulic industry.

Answers to some questions about non-standard special type cylinder:

How to repair if hydraulic shears cylinder oil leakage?
The hydraulic cylinder is generally disassembled and the sealing ring is replaced. There are generally two ways to install the ends of the hydraulic cylinder. The larger hydraulic cylinder is mostly flanged disc type, which is screwed to the middle cylinder block by several bolts, the bolts are removed, and the cylinder head is slowly pulled out. The smaller hydraulic cylinder, the cylinder block and the head itself are threaded, and the rotating end cap can be removed from the cylinder block. If you do not understand the hydraulic cylinder, it is best to ask someone to deal with it. It is easy to damage the sealing ring and internal surface during disassembly.

What kind of seal ring we should choose for 120Mpa hydraulic cylinder?
The sealing rings used in mining machinery are high pressure, which can reach 150MPa. It is generally composed of three parts, the guide ring, the sealing body and the elastomer. It's not a special structure. It's more mature. Usually said mountain circle, bud circle.

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