This article mainly introduces:

Ireland hydraulic cylinder,steel mill cylinder manufacturer,steel mill cylinder

(Ireland steel mill cylinder,produced by Hengyu Group）

steel mill cylinder are widely used in Ireland，because of excellent temperature resistance，no transmission clearance，powerful torque.So our company has designed steel mill cylinder for customers from Ireland.

Introduction to steel mill cylinder:

When installing the steel mill cylinder pipe, the pipe should be cleaned after installation, and should not pass through the steel mill cylinder block, and the by-pass pipe must be installed in front of the oil port of the steel mill cylinder block. This is important. Otherwise, the foreign body in the pipeline will enter the steel mill cylinder, and once it enters, it is difficult to exclude it, but it becomes a foreign body transported to the steel mill cylinder. Moreover, when cleaning, the removal method of foreign bodies entered in the installation pipeline operation should be considered. In addition, the corrosion in the pipe should be pickling and other procedures before the pipe installation, and the rust must be completely removed.

If the steel mill 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 steel mill cylinder is slow. In the case of low temperature, the hydraulic oil viscosity is large, poor flow, resulting in slow steel mill cylinder action. The improvement method is to replace the hydraulic oil with better viscosity and temperature performance If the steel mill cylinder is weak and cannot push the load, please check the internal leakage problem. The internal leakage of the steel mill cylinder includes the leakage caused by excessive wear of the steel mill 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 steel mill cylinder, and the phenomenon of "pulling the steel mill cylinder" appears. The treatment method is to adjust the speed control valve, and the necessary operations should be done according to the installation instructions.

Regular maintenance of the steel mill cylinder includes: regular tightening, steel mill cylinder fastening screws and gland screws, steel mill cylinder piston rod stop adjustment screws, should be tightened once a month, tighten each screw evenly, and achieve the corresponding tightening torque. Replace the seal regularly, it is recommended to replace the seal of the steel mill cylinder once a year. Clean regularly, the steel mill cylinder is cleaned every other year, and the seals are replaced while cleaning.

Causes and countermeasures of oil steel mill cylinder leakage: Cast iron ring seal allows a certain degree of internal leakage. The impurities in the steel mill cylinder will lead to premature wear of the piston seal, replace the piston seal; If the steel mill cylinder is visibly scarred, the steel mill cylinder must be replaced. It can be pressurized at one end of the steel mill cylinder and opened at the other end of the oil port to observe whether there is obvious internal leakage at the end of the oil port. Most steel mill cylinder piston drift may not come from the steel mill cylinder, the above method to determine the steel mill cylinder without internal leakage is helpful to determine the problem of the hydraulic system related components.

Answers to some questions about steel mill cylinder:

What steel pipe does hydraulic cylinder use? This problem is very general. Carbon steel pipe or ordinary seamless steel pipe are all ok, but then there are rolling, quilting, heat treatment and other steps, and the requirements are different, the wall thickness is different, the material is different. It depends on the circumstances.

Is rubber or polyurethane better for V-ring of hydraulic cylinder?
The hydraulic cylinder V-type seal ring is better with polyurethane, and chlorine rubber is used for various chemicals and high temperatures, especially when there are wear-resistant requirements, polyurethane rubber is needed. But the price of polyurethane rubber is much more expensive than the price of rubber. However, the V-ring material is most commonly used in nitrile and neoprene rubber, and natural rubber is used for sealing water and air. Butyl rubber is used for non-combustible hydraulic fluids and phosphate ester hydraulic fluids. The advantage is that the price is cheaper than the polyurethane material, and the disadvantage is that it is not wear-resistant and the anti-aging property is relatively poor.