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hydraulic lift cylinder Sold to Kenya

Release time:2023-12-08 14:41:34 Hits: Current position: Home > News

This article mainly introduces:

Kenya hydraulic cylinder,hydraulic lift cylinder manufacturer,hydraulic lift cylinder

Kenya hydraulic lift cylinder

(Kenya hydraulic lift cylinder,produced by Hengyu Hydraulic Co., Ltd)

hydraulic lift cylinder are widely used in Kenya,because of long service life,smooth movement,high work efficiency.So our company has designed hydraulic lift cylinder for customers from Kenya.

Introduction to hydraulic lift cylinder:

hydraulic lift cylinder head explanation: low pressure castings, medium and low pressure with HT300 gray iron, medium and high pressure with 35, 45 steel. When the hydraulic lift cylinder head itself is the guide sleeve of the piston rod, the hydraulic lift cylinder head is best cast iron. At the same time, brass, bronze or other wear-resistant materials should be fused on the guide surface. If the guide sleeve is pressed into the hydraulic lift cylinder head, the guide sleeve shall be wear-resistant cast iron, bronze or brass.

If the hydraulic lift cylinder operation failure, you can start from these aspects to troubleshoot: (1) the hydraulic system control pressure is too low. The throttling resistance in the control line may be too large, the flow valve is improperly adjusted, the control pressure is inappropriate, and the pressure source is disturbed. At this time, the control pressure source should be checked to ensure that the pressure is adjusted to the specified value of the system; (2) Air enters the hydraulic system. Mainly because there is a leak in the system. At this time, check the liquid level of the hydraulic tank, the seals and fittings on the oil suction side of the hydraulic pump, and whether the oil suction filter is too dirty. If so, the hydraulic oil should be replenished, seals and fittings should be treated, and the coarse filter element should be cleaned or replaced. (3) The initial action of the hydraulic lift cylinder is slow. In the case of low temperature, the hydraulic oil viscosity is large, poor flow, resulting in slow hydraulic lift cylinder action. The improvement method is to replace the hydraulic oil with better viscosity and temperature performance If the hydraulic lift cylinder is weak and cannot push the load, please check the internal leakage problem. The internal leakage of the hydraulic lift cylinder includes the leakage caused by excessive wear of the hydraulic lift cylinder block seal, the piston rod and the seal cover seal and the piston seal. The cause of sealing leakage between the piston rod and the seal cover is that the seal is wrinkled, squeezed, torn, worn, aging, deterioration, deformation, etc., and a new seal should be replaced at this time. The main cause of excessive piston seal wear is improper adjustment of the speed control valve, resulting in excessive back pressure and improper seal installation or hydraulic oil contamination. The second is that foreign bodies enter the assembly and the quality of sealing materials is not good. The result is that the action is slow and weak, and in serious cases, it will cause damage to the piston and hydraulic lift cylinder, and the phenomenon of "pulling the hydraulic lift cylinder" appears. The treatment method is to adjust the speed control valve, and the necessary operations should be done according to the installation instructions.

When the hydraulic lift cylinder wear is serious, you can try to use an alloy scraper to shave grooves with a depth of more than 1mm on the surface of the slip injury, then clean the grooves with acetone, apply the adjusted TS311 anti-wear repair agent on the polished surface with the hydraulic lift cylinder inner diameter copying plate, and scrape it flat vigorously to ensure compaction and higher than the inner surface of the hydraulic lift cylinder. After curing, polish to leave a finishing margin. Finally, the overall size, shape tolerance and roughness of the hydraulic lift cylinder can meet the requirements by grinding. However, the life and reliability of this repair hydraulic lift cylinder are not high.

hydraulic lift cylinder hydraulic oil selection: The recommended working oil viscosity of the hydraulic lift cylinder is 10 ~ 110cSt (1.8 ~ 15E), ISO VG46 hydraulic oil. The normal working oil temperature is 10 ~ 70℃, and the ambient temperature is in the range of -20 ~ 80℃. When the ambient temperature and service temperature are low, the hydraulic oil with lower viscosity can be selected.

Answers to some questions about hydraulic lift cylinder:

Can the hydraulic oil in the cylinder return to the tank?
Yes, there is a way, for example, first remove the cylinder from the machine, and then connect the two pipes on the cylinder, so that the cylinder piston rod is completely retracted into the cylinder, at this time, the piston is with the bottom, and the rear chamber is almost no oil, and then screw off the joint at the end of the front chamber by the hydraulic station, and put it in an empty bucket. Finally, insert the gas pipe into the oil port of the rear chamber. Open the air source, and then the rod will run out, and you'll drain the hydraulic oil from the end of the rod, which requires a source of air on site.

Hydraulic cylinder load algorithm?
If it is thrust, load = working pressure x piston area. If it is pulling force, load = working pressure x(piston area - piston rod area).

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