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hydraulic hollow cylinder Sold to Bulgaria

Release time:2023-11-12 15:31:01 Hits: Current position: Home > News

This article mainly introduces:

Bulgaria hydraulic cylinder,hydraulic hollow cylinder manufacturer,hydraulic hollow cylinder

Bulgaria hydraulic hollow cylinder

(Bulgaria hydraulic hollow cylinder,produced by Hengyu Group)

hydraulic hollow cylinder are widely used in Bulgaria,because of high work efficiency,long service life,smooth movement.So our company has designed hydraulic hollow cylinder for customers from Bulgaria.

Introduction to hydraulic hollow cylinder:

In the process of using the hydraulic hollow cylinder, sometimes such a problem will occur, the hydraulic hollow cylinder can not act immediately after the instruction of the hydraulic hollow cylinder action is issued, and it must be moved after a short time, or sometimes it can move and stop moving, showing that the operation is very irregular. The cause and elimination of this failure mainly include air in the oil hydraulic hollow cylinder. Elimination method: exhaust through the exhaust valve. Check the piston rod reciprocating parts of the sealing ring for air inhalation, if so, replace the sealing ring.

The repair method of hydraulic hollow cylinder wear: 1. Metal repair material is applied to the scratched surface; The first layer should be thin, uniform and fully covered with the scratched surface to ensure the best adhesion between the material and the metal surface, and then apply the material to the entire repair site and press repeatedly to ensure that the material is filled and reaches the required thickness, so that it is slightly higher than the surface of the guide rail; 2, the material at 24℃ to fully achieve the performance of 24 hours, in order to save time, can be through the tungsten halogen lamp to increase the temperature, the temperature rises 11℃, the curing time will be reduced by half, the best curing temperature 70℃; 3. After the material is cured, use a fine grinding stone or a scraper to repair and smooth the material higher than the surface of the guide rail, and the construction is completed.

The viscosity of the working oil used in the hydraulic hollow cylinder is 29~74mm2/S, and ISO VG46 anti-wear hydraulic oil is recommended. Working oil temperature within the range of -20~80. C. When the ambient temperature and service temperature are low, the oil with lower viscosity can be selected.

hydraulic hollow cylinder seal leakage causes and countermeasures: a. Loose tie rod nut will cause leakage, tighten the tie rod nut according to the torque requirements of tie rod nut, test no leakage can continue to use. b. Pressure exceeding the limit will also cause leakage. Replace the hydraulic hollow cylinder seal and re-tighten the tie rod nut to reduce the pressure to the nominal pressure range of the hydraulic hollow cylinder. c. The hydraulic hollow cylinder seal is extruded, if the O-ring is obviously extruded at the hydraulic hollow cylinder seal, replace the hydraulic hollow cylinder seal.

Answers to some questions about hydraulic hollow cylinder:

Why does the hydraulic cylinder ring?
1 Air intrusion into the hydraulic system is the main reason for noise 2 The relief valve is unstable, such as due to the improper combination of the slide valve and the valve hole or the contact of the cone valve and the seat is stuck by dirt, the damping hole is blocked, the spring is crooked or fails to make the spool stuck or move in the valve hole, causing system pressure fluctuation and noise. 3 Improper adjustment of the reversing valve causes the spool of the reversing valve to move too fast, resulting in reversing impact, resulting in noise and vibration. 4 Mechanical vibration, such as long tubing, elbow more and not fixed, when the oil flow through, especially when the flow rate is high, easy to cause pipe shaking; The rotating part of the motor and hydraulic pump is unbalanced, or the alignment is not good during installation, or the coupling is loose, etc., which can produce vibration and noise.

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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