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unidirectional cylinder Sold to America

Release time:2023-11-07 17:48:01 Hits: Current position: Home > News

This article mainly introduces:

America hydraulic cylinder,unidirectional cylinder manufacturer,unidirectional cylinder

America unidirectional cylinder

(America unidirectional cylinder,produced by Hengyu Hydraulic Cylinder Factory)

unidirectional cylinder are widely used in America,because of excellent fatigue and impact resistance,no need for deceleration device,long service life.So our company has designed unidirectional cylinder for customers from America.

Introduction to unidirectional cylinder:

unidirectional cylinder daily maintenance, should focus on checking whether the piston rod surface roughness and shape and position tolerance meet the technical requirements, if the piston rod bending should be calibrated to meet the requirements or according to the physical mapping, manufactured by a professional manufacturer. If the piston rod surface coating wear, slip damage, local spalling can be adopted to remove the coating, re-chrome surface processing process.

When installing the unidirectional cylinder, the axial ends of the unidirectional cylinder cannot be fixed. Due to the effect of liquid pressure and thermal expansion in the unidirectional cylinder, there is axial expansion. If the two ends of the unidirectional cylinder are fixed, all parts of the unidirectional cylinder will be deformed. When disassembling the unidirectional cylinder, it is strictly forbidden to hammer the unidirectional cylinder and the piston surface, such as the unidirectional cylinder hole and the piston surface is damaged, do not allow sandpaper grinding, to use a fine oil stone carefully grinding. The clearance between the guide sleeve and the piston rod should meet the requirements.

The "O" ring can be used as an auxiliary seal inside the unidirectional cylinder, and the elastic force of the "O" ring makes the sealing slip ring close to the sealing surface, generating sealing pressure to achieve sealing. When the internal hydraulic pressure increases, the "O" ring will further deform and squeeze the slip ring, thereby increasing the sealing pressure and improving the sealing performance. The structure has the characteristics of low friction coefficient, good wear resistance, automatic compensation for wear and absorption of hard particles in the unidirectional cylinder, and can be completely sealed.

If it is found that the unidirectional cylinder lubrication is poor or the unidirectional cylinder bore processing is abnormal, it is necessary to feedback the situation to the manufacturer, because the piston and the unidirectional cylinder, the guide rail and the piston rod have relative movement, if the lubrication is poor or the unidirectional cylinder bore is abnormal, it will aggravate the wear and reduce the straightness of the unidirectional cylinder center line. In this way, when the piston works in the unidirectional cylinder, the friction resistance will be large and small, resulting in slip or crawling. The solution is to repair and grind the unidirectional cylinder first, and then prepare the piston according to the matching requirements, repair and grind the piston rod, and configure the guide sleeve.

Answers to some questions about unidirectional cylinder:

Is it good or bad for the hydraulic cylinder working in the limit stroke position?
It is not good for the hydraulic cylinder working in the limit stroke position. Generally, when the cylinder is used in the limit stroke, the oil in the cylinder will form a backflow back pressure impact on the piston and guide sleeve seals. If the limit is not accurate, it is easy to cause collision damage. It is recommended to leave a buffer of ten to twenty centimeters.

How to distinguish loader boom and forearm hydraulic cylinder? Is it the upper arm or the lower arm?
The one in the middle that can flip the bucket is the small arm cylinder you say, and the one that lifts the brackets (big arms) on both sides is the big arm cylinder.

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