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trunnion cylinder Sold to Austria

Release time:2023-11-12 15:27:15 Hits: Current position: Home > News

This article mainly introduces:

Austria hydraulic cylinder,trunnion cylinder manufacturer,trunnion cylinder

Austria trunnion cylinder

(Austria trunnion cylinder,produced by Hengyu Hydraulic Co., Ltd)

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

Introduction to trunnion cylinder:

The method of sleeve trunnion cylinder to improve the processing quality: there is a big gap in the service life of post-plating polishing and post-plating polishing, especially in mass production. Strictly clean the flying edge and burr of mechanical components, especially the edge of the sealing groove, and the tiny metal burr, strictly clean before assembly. The surface fatigue strength and stress corrosion resistance of the trunnion cylinder can be significantly improved by rolling in the finishing of the inner holes of the trunnion cylinder. The roughness of the surface of the friction pair is generally controlled between Ra0.4 and 0.8.

When the control pressure of the hydraulic system is too low, the trunnion cylinder will appear wrong or no action, because the throttle resistance in the control pipeline may be too large, the flow valve is improperly adjusted, the control pressure is inappropriate, and the pressure source is interfered with. At this time, check the control pressure source to ensure that the pressure is adjusted to the specified value of the system.

When the oil pressure of the trunnion cylinder inlet is too low to reach the specified value, the leakage situation of the relevant oil system should be checked and the leakage should be eliminated; Check the piston and piston rod seal ring for damage, aging, loose and other phenomena; Check whether the hydraulic pump and pressure valve are faulty.

The definition of the minimum stable speed refers to the minimum movement speed of the trunnion cylinder without crawling phenomenon when the full load is moving, it has no uniform indicator, and the trunnion cylinder that undertakes different work has different requirements for the minimum stable speed.

Answers to some questions about trunnion cylinder:

Servo cylinder control principle
The electro-hydraulic pulse servo cylinder is composed of a stepper motor, a three-position four-way servo valve, a mechanical feedback device (a wire carrier) and an oil lever. When the stepper motor gets a pulse signal, its output shaft rotates 1.5 or 3 degrees, the servo valve spool drives the wire to rotate at the same time, the valve spool moves and opens the reversing cylinder to output pressure oil, the piston moves and drives the lead screw to reverse rotate the valve spool back to the original position, and the servo valve stops output pressure oil in the center. At this time, the cylinder moves 0.1 or 0.2mm stroke, and the displacement and speed of the cylinder travel are determined according to the given value of the electrical pulse.

What should we pay attention to when using the cylinder?
When using the cylinder, we should pay attention to the environment and temperature in which it is located as follows: 1. Before working, the hydraulic cylinder must carry out several reciprocating movements under low pressure (greater than the starting pressure), and work normally after removing the gas in the cylinder. 2. Precautions when removing the hydraulic cylinder: ① The pressure in the hydraulic circuit is reduced to zero before disassembly. ② The screw thread at the top of the piston rod should be prevented from damage when disassembling. ③ Due to the different structure and size of the hydraulic cylinder, the order of disassembly is also slightly different. Generally, the fastening bolt of the end cover should be loosened first. Internal card chain card key application special tools.

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