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tailboard balance cylinder Sold to New Zealand

Release time:2023-11-12 11:05:47 Hits: Current position: Home > News

This article mainly introduces:

New Zealand hydraulic cylinder,tailboard balance cylinder manufacturer,tailboard balance cylinder

New Zealand tailboard balance cylinder

(New Zealand tailboard balance cylinder,produced by Hengyu Hydraulic Cylinder Factory)

tailboard balance cylinder are widely used in New Zealand,because of long service life,smooth movement,high work efficiency.So our company has designed tailboard balance cylinder for customers from New Zealand.

Introduction to tailboard balance cylinder:

The difference between the plunger tailboard balance cylinder and the piston tailboard balance cylinder is that the piston in the tailboard balance cylinder is replaced by a shaft plunger, which is used in hydraulic transmission requiring a long mechanical stroke, and can only input pressure oil from one direction, pressurize in a single direction, and form a thrust to push the plunger to move. The return trip of the plunger depends on the plunger itself to fall, and some rely on the spring to push back to the original position. Usually used plunger type tailboard balance cylinder, its inner hole does not need mechanical finishing, as long as the plunger round grinding can be assembled.

Disassembly tailboard balance cylinder: When disassembly tailboard balance cylinder, strictly prevent damage to the screw thread at the top of the piston rod, the screw thread of the tailboard balance cylinder head and the surface of the piston rod. It should also be noted that the piston cannot be played out from the tailboard balance cylinder.

Factors that should be considered when selecting the oil seal in the tailboard balance cylinder: some specific factors should be taken into account when selecting the oil seal in the tailboard balance cylinder, so as to have correct consideration and get accurate results, and then avoid wrong selection. The factors and aspects that should be taken into account are eight: tailboard balance cylinder diameter, piston rod diameter, piston rod and piston groove size, tailboard balance cylinder working pressure, tailboard balance cylinder movement speed, hydraulic system oil temperature and tailboard balance cylinder working environment.

The tailboard balance cylinder is mainly composed of body, piston, piston rod, tailboard balance cylinder head, tailboard balance cylinder bottom, piston rod head and related auxiliary devices. The piston divides the tailboard balance cylinder into two chambers, and moves reciprocally in the tailboard balance 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 tailboard balance cylinder head, due to the existence of the gap, it is easy to produce external leakage phenomenon, and the dust can enter the tailboard balance 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 tailboard balance 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 tailboard balance cylinder bottom and the tailboard balance cylinder head is serious, so the buffer deceleration should be set at both ends of the tailboard balance cylinder The working medium of the tailboard balance cylinder: because it works at room temperature, the ordinary oil-type hydraulic oil can be selected; tailboard balance 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 tailboard balance cylinder: The buffer structure of the tailboard balance cylinder is to prevent the piston from colliding with the tailboard balance cylinder head at the end of the stroke.

Answers to some questions about tailboard balance cylinder:

What is the safety factor of 25MPa cylinder wall thickness?
Safety factor n can take 3 cylinder material allowable stress [s]=sb/n δ/D=0.08 ~ 0.3 cylinder wall thickness δ=PMAX*D/ (2.3[s]-3PMAX) δ/D≤0.08 cylinder wall thickness δ=PMAX*D/2[s] P < 16MPa, Pmax=1.5Pn; P > 16MPa, Pmax=1.25Pn cold-drawn tube or honing tube is better!

Why should the piston rod of the hydraulic cylinder be so precise? If you hope the cylinder has a long service cycle, then all parts need to be high-precision, not only the piston rod, but also the cylinder, the sealing groove, the surface roughness, the cylinder looks very simple. Any hydraulic factory can produce the cylinder, but the good cylinder is difficult to produce.

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