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pressure retaining cylinder Sold to Belarus

Release time:2023-11-16 08:45:03 Hits: Current position: Home > News

This article mainly introduces:

Belarus hydraulic cylinder,pressure retaining cylinder manufacturer,pressure retaining cylinder

Belarus pressure retaining cylinder

(Belarus pressure retaining cylinder,produced by Hengyu Hydraulic Cylinder Factory)

pressure retaining cylinder are widely used in Belarus,because of high work efficiency,excellent fatigue and impact resistance,no need for deceleration device.So our company has designed pressure retaining cylinder for customers from Belarus.

Introduction to pressure retaining cylinder:

Under normal circumstances, the pressure retaining cylinder is composed of the rear end cover, body, piston, piston rod and front end cover and other main parts. In order to prevent the working medium from leaking out of the pressure retaining cylinder or from the high pressure chamber to the low pressure chamber, a sealing device (sealing ring) is arranged between the pressure retaining cylinder and the end cover, the piston and the piston rod, the piston and the pressure retaining cylinder, the piston rod and the front end cover. A dustproof device is also provided on the outside of the front end cover. In order to prevent the piston from impacting the end cap when it moves rapidly to the end of the stroke, the end of the pressure retaining cylinder can also be provided with a buffer device. If necessary, the exhaust device should be set in order to exhaust.

When producing oil pressure retaining cylinders, there are two processing processes, grinding and rolling, the latter is better than the former. Rolling machining is a kind of non-cutting machining, using the plastic deformation of the metal at room temperature, so that the micro roughness of the workpiece surface is flattened to achieve the purpose of changing the surface structure, mechanical characteristics, shape and size. Therefore, this method can achieve the two purposes of finishing and strengthening at the same time, which can not be done by grinding.

In use, the pressure retaining cylinder should try to avoid the friction iron powder or iron filings formed by buffering the plunger. When the matching gap of the buffer device is small and the transverse load on the piston rod is large, the sintering phenomenon may be caused. These friction iron powder or the metal fragments that have fallen off as a result of sintering will remain in the pressure retaining cylinder.

The commonly used buffer structure of the pressure retaining cylinder is composed of a piston boss and a pressure retaining cylinder head groove. When the piston moves close to the pressure retaining cylinder head, it gradually enters the groove, and the oil in the groove is extruded through the gap between the boss and the groove, which increases the oil return resistance, produces the braking effect and realizes the buffer. Generally, a buffer mechanism should be used when the pressure is above 10MP.

Answers to some questions about pressure retaining cylinder:

When does the cylinder rotate?
The piston rod inside the multistage plunger cylinder can be rotated, and it will rotate when it is subjected to tangential force.

How to calculate the hydraulic cylinder pressure? How much pressure can put up how much weight?
If you want to calculate the pressure of the cylinder, you must know the inner diameter of the cylinder, if the piston rod is needed to lift the weight, it should be: cylinder (no piston rod end) pressure = load (4000N) ÷{(PI /4)X the square of the cylinder diameter (mm) ", it has nothing to do with the piston rod diameter, the rod diameter of the piston rod is only related to the stability of the cylinder. The pressure inside the cylinder should be p=F/S=400×10/(3.14×(0.5×25)×(0.5×25))=8.15MPa which means that you need to provide at least that much pressure to complete the operation.

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