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stern plate hydraulic cylinder Sold to Austria

Release time:2023-11-12 15:26:39 Hits: Current position: Home > News

This article mainly introduces:

Austria hydraulic cylinder,stern plate hydraulic cylinder manufacturer,stern plate hydraulic cylinder

Austria stern plate hydraulic cylinder

(Austria stern plate hydraulic cylinder,produced by Hebei Hengyu company)

stern plate hydraulic cylinder are widely used in Austria,because of simple structure and reliable operation,no transmission clearance,excellent temperature resistance.So our company has designed stern plate hydraulic cylinder for customers from Austria.

Introduction to stern plate hydraulic cylinder:

There are some honeycomb holes in the inner wall of the stern plate hydraulic cylinder, piston or piston rod surface. How is this formed? When we repair the stern plate hydraulic cylinder, we can see that there are some honeycomb holes on the inner wall of the stern plate hydraulic cylinder, the piston or the piston rod surface, which are caused by cavitation. Therefore, the cavitation of the stern plate hydraulic cylinder is targeted to prevent. Is very necessary.

If the stern plate hydraulic cylinder piston rod is found to be worn, it can be brushed and plated first, then ground, and finally adjust the mating accuracy of the piston rod and the guide sleeve. At this time, the guide sleeve can be properly redrilled or the guide sleeve can be re-turned. When making the above repairs, remember to replace various rubber seals in time.

The quality of the stern plate hydraulic cylinder can not be ignored in the purchase of the stern plate hydraulic cylinder. The stern plate hydraulic cylinder is the main component of the stern plate hydraulic cylinder, the single pillar for mining, the hydraulic support, the gun tube and other products, and its processing quality directly affects the life and reliability of the entire product. stern plate hydraulic cylinder processing requirements are high, its internal surface roughness requirements are Ra0.4 ~ 0.8μm, the coaxiality, wear resistance requirements are strict. The basic feature of stern plate hydraulic cylinder is deep hole processing, which has always troubled the processing personnel.

The cavitation of the stern plate hydraulic cylinder has a great influence, and to avoid it, it is necessary to use the hydraulic oil reasonably and ensure the quality of the hydraulic oil. If the anti-foam property of the oil is poor, it is easy to produce foam, resulting in cavitation. Secondly, the change frequency of oil pressure is too fast and too high, which will also directly cause the formation of bubbles and accelerate the rupture rate of bubbles. The test shows that the speed of cavitation will be accelerated in the part with high frequency of pressure change. For example, at the inlet and outlet of the stern plate hydraulic cylinder, due to the relatively high frequency of pressure changes, the degree of cavitation is also relatively higher than that of other parts. In addition, overheating of the oil will also increase the probability of cavitation.

Answers to some questions about stern plate hydraulic cylinder:

What welding rod is used for hydraulic cylinder welding?
There are several reasons for bad welding of hydraulic cylinder: 1. There is hydraulic oil on the welding surface, wipe it with a rag, there will be bubbles in the welding process, and it will not last for a few days. You have to remove it, drain it, wash it off with gasoline and try again. 2. Open the groove before welding, it is not deep enough to use the Angle grinding machine, and can not find the accurate crack position. 3. The material of the cylinder itself is not clear, the welding performance of more than 35 steel is not good, in the factory welding needs to preheat, the welding rod should also be dried and insulated, there is no such condition on the site.

What are the requirements for hydraulic cylinder assembly? ① The installation of the cylinder should be solid and reliable. In order to prevent the influence of thermal expansion, in the case of large stroke and hot working conditions, one end of the cylinder must be kept floating.② pipe connection shall not be relaxed.③ The mounting surface of the hydraulic cylinder and the sliding surface of the piston rod should maintain sufficient parallelism and perpendicality.④ The central axis of the moving cylinder should be concentric with the center line of the load force, otherwise it will cause lateral force, which is easy to wear the seal And piston damage. The greater the distance between the supporting points of the piston rod, the smaller its wear. For the hydraulic cylinder of the moving object, the installation should keep the cylinder parallel with the moving object, and the degree of non-parallelism is generally not greater than 0.05mm/m. ⑤The sealing ring should not be installed too tightly, especially the U-shaped sealing ring.

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