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rack cylinder Sold to Britain

Release time:2023-11-23 08:22:24 Hits: Current position: Home > News

This article mainly introduces:

Britain hydraulic cylinder,rack cylinder manufacturer,rack cylinder

Britain rack cylinder

(Britain rack cylinder,produced by Hengyu Hydraulic Co., Ltd)

rack cylinder are widely used in Britain,because of no need for deceleration device,long service life,smooth movement.So our company has designed rack cylinder for customers from Britain.

Introduction to rack cylinder:

The rack cylinder is mainly composed of body, piston, piston rod, rack cylinder head, rack cylinder bottom, piston rod head and related auxiliary devices. The piston divides the rack cylinder into two chambers, and moves reciprocally in the rack cylinder with the help of pressure oil. In order to improve its working effect, there is no sealing ring on the piston to eliminate internal leakage, where the piston rod passes through the rack cylinder head, due to the existence of the gap, it is easy to produce external leakage phenomenon, and the dust can enter the rack cylinder through the gap, so the sealing device and dust prevention reason are set. At the same time, in order to eliminate the influence of eccentric load on the work of the piston, all the rack cylinders must be provided with a considerable length of guide sleeve at the extended end of the piston rod. In addition, in the case of faster piston movement, the phenomenon of mechanical collision between the piston and the rack cylinder bottom and the rack cylinder head is serious, so the buffer deceleration should be set at both ends of the rack cylinder The working medium of the rack cylinder: because it works at room temperature, the ordinary oil-type hydraulic oil can be selected; rack cylinder sealing device: The use of Yx sealing ring, polyurethane (PU) and polytetrafluoroethylene (PTFE) materials combined to achieve a good sealing effect; Buffer mechanism of the rack cylinder: The buffer structure of the rack cylinder is to prevent the piston from colliding with the rack cylinder head at the end of the stroke.

The rack cylinder should be vented: when the rack cylinder is installed or parked for a long time to work again, the air will penetrate into the rack cylinder and the pipeline system. In order to prevent the abnormal phenomenon of crawling, noise and heating of the actuator, the air in the rack cylinder and the system should be discharged. In order to facilitate the removal of air deposited in the rack cylinder, the oil is best entered and discharged from the highest point of the rack cylinder. rack cylinders that require higher motion stability are often equipped with exhaust plugs at both ends. Before working, unscrew the exhaust plug to make the piston go back and forth several times without load in the whole stroke, and the air can be discharged through the exhaust plug. After the air is drained, tighten the exhaust plug before working.

Do not enter foreign bodies when installing the rack cylinder block. The place where the installation operation is carried out, the conditions are not good, and foreign bodies can be entered unconsciously. Therefore, the installation site must be cleaned up around, especially the place where the parts are placed must be cleaned, so that there is no dirt.

When the rack cylinder needs to be stored for a period of time, please follow the recommended methods: The rack cylinder should be stored in a dry, clean, non-corrosive gas indoor environment, pay attention to protect the rack cylinder from internal corrosion and external damage. If the indoor requirements cannot be met, the hardened and well-drained ground should be cushioned at least 30cm, and the upper part should be covered with waterproof storage. The oil rack cylinder should not be in direct contact with water vapor for a long time. The rack cylinder should be placed as vertically as possible with the piston rod facing up, which minimizes corrosion due to possible condensation in the rack cylinder and permanent deformation of the seal due to the piston and rod weight. (When the shield is stored in the shield machine, the support shoe is placed upward). Keep the oil port protective cover until the pipe is connected. For long-term storage, the protection should be added on both sides of the piston of the rack cylinder Before working, the rack cylinder must be run repeatedly with low pressure (greater than the starting pressure) to discharge the air in the rack cylinder before normal work. The oil inlet and outlet and the joint must be tightly fastened with a combination pad to prevent oil leakage.

Answers to some questions about rack cylinder:

How to select swing cylinder? Under what conditions are they designed and selected?
1, determine the system parameters: ① the weight and the required force; ② Nominal working pressure and range; ③ The time required to travel this distance; 4 oil medium 2, installation method: select the appropriate way for the specific application 3, cylinder diameter and working pressure: determine the cylinder diameter and provide the necessary force required by the system pressure 4, piston rod: determine the minimum piston rod diameter required to withstand the longitudinal bending force, select the appropriate piston rod end and piston rod end thread 5, piston: Whether the seal type is suitable for the application 6, buffer: choose the buffer requirements as appropriate.

What do cylinder internal leakage and external leakage mean?
Internal leakage means that the piston seal in the cylinder is not strict, there is a leak between the two chambers of the cylinder, the oil is still in the cylinder, and the external leakage is that the oil leaks to the outside of the cylinder.

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