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rolling mill cylinder Sold to Republic of Lithuania

Release time:2023-11-12 14:24:29 Hits: Current position: Home > News

This article mainly introduces:

Republic of Lithuania hydraulic cylinder,rolling mill cylinder manufacturer,rolling mill cylinder

Republic of Lithuania rolling mill cylinder

(Republic of Lithuania rolling mill cylinder,produced by Hengyu Group)

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

Introduction to rolling mill cylinder:

Before the rolling mill cylinder is removed, the relief valve should be loosened to reduce the pressure of the hydraulic circuit to zero, and then the power supply should be cut off to stop the hydraulic device. After loosening the oil port piping, the oil plug should be applied to plug the oil port.

rolling mill cylinder body inspection: The inner surface of the rolling mill cylinder and the piston seal are the main factors causing the leakage in the rolling mill cylinder, if the rolling mill cylinder has a longitudinal tensile mark, even if the new piston seal is replaced, it can not effectively eliminate the fault, the inner surface of the rolling mill cylinder mainly checks whether the dimensional tolerance and shape and position tolerance meet the technical requirements, there is no longitudinal tensile mark, and measures the depth of the longitudinal tensile mark, in order to take the corresponding solution.

When installing the rolling mill cylinder pipe, the pipe should be cleaned after installation, and should not pass through the rolling mill cylinder block, and the by-pass pipe must be installed in front of the oil port of the rolling mill cylinder block. This is important. Otherwise, the foreign body in the pipeline will enter the rolling mill cylinder, and once it enters, it is difficult to exclude it, but it becomes a foreign body transported to the rolling 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 rolling mill 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.

Answers to some questions about rolling mill cylinder:

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.

What are the differences between hydraulic cylinder and pneumatic cylinder, what are their advantages and disadvantages?
Hydraulic Cylinder: small body and large force, constant speed and variable speed (easy to change), the adjustment of output is also convenient, and the degree of freedom of transmission is high. However, maintenance costs and installation costs are high, and there is the trouble of mild oil pollution. Pneumatic Cylinder: easy to control, low price, easy access to energy. But the force is small, and can not achieve the effect of stable speed. The gas-liquid pressurized cylinder has the advantages of both of the above: environmental protection and energy saving, easy control, and simple adjustment. However, the output of the trip has certain restrictions, so it is more suitable for short trips, large output, but also environmental protection and energy saving and low configuration of the occasion. Because the pressure used in the pneumatic system is generally in the range of 0.2-1.0Mpa, the cylinder is not suitable for high power component.

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