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unidirectional cylinder Sold to Paraguay

Release time:2023-12-11 09:05:18 Hits: Current position: Home > News

This article mainly introduces:

Paraguay hydraulic cylinder,unidirectional cylinder manufacturer,unidirectional cylinder

Paraguay unidirectional cylinder

(Paraguay unidirectional cylinder,produced by Hebei Hengyu company)

unidirectional cylinder are widely used in Paraguay,because of simple structure and reliable operation,excellent temperature resistance,no transmission clearance.So our company has designed unidirectional cylinder for customers from Paraguay.

Introduction to unidirectional cylinder:

Do not enter foreign bodies when installing the unidirectional cylinder block. The place where the installation operation is carried out, the conditions are not good, and foreign bodies can be entered unconsciously. Therefore, the installation site must be cleaned up around, especially the place where the parts are placed must be cleaned, so that there is no dirt.

The method of sleeve unidirectional 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 unidirectional cylinder can be significantly improved by rolling in the finishing of the inner holes of the unidirectional cylinder. The roughness of the surface of the friction pair is generally controlled between Ra0.4 and 0.8.

unidirectional cylinder piston rod material selection and requirements: ① piston rod is usually made of 45 steel. When there is a large impact force and heavy load transmission, it is made of 40Cr steel. This is to ensure that the piston rod has sufficient working strength. The piston rod is generally designed as a unidirectional cylinder, if the diameter is larger, the hollow piston rod can be used. Made of No. 45 seamless steel pipe. ③ When the piston rod is manufactured, the blank should be first forged and conditioned after mechanical rough processing, and the hardness of HB=230 ~ 250. The purpose of conditioning is to improve the machining performance and increase the working strength of the material. ④ The surface roughness Ra of the piston rod after finishing should not be greater than 0.65μm. ⑤ In order to improve the corrosion resistance of the piston rod, the working surface of the rod can be plated with hard chromium. ⑥ The piston rod and the end cap are guided by H8 ' unidirectional cylinder piston rod industry standard: piston rod diameter series of national recommended standard GB/T2348-1993. Piston rod thread size series standard GB/T2350-1980. Please refer to execute. There is no industry standard for piston rods Both the unidirectional cylinder and the hydraulic motor are devices that convert the pressure energy of the liquid into mechanical energy and output it. The unidirectional cylinder mainly outputs linear motion and force. The unidirectional cylinder has a variety of forms, according to the different characteristics of its mechanism it can be divided into piston type, plunger type and swing type three categories, according to the mode of action he can be divided into single action and double action. Piston unidirectional cylinder, plunger unidirectional cylinder is mainly used for: machinery, such as excavators; Scientific research, such as university structure laboratory. The plunger unidirectional cylinder is used for pressure testing machines, such as Jinan test, and the test machine is used for material testing.

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.

Answers to some questions about unidirectional cylinder:

How to distinguish the size of hydraulic cylinder cavity?
The hydraulic cylinder has a rod cavity and a rodless cavity. The rod cavity is the cavity that the piston rod extends out. The rod cavity is of course small due to the existence of the piston rod. That's just relative.

PLC+ inverter + motor + pump + solenoid valve + cylinder combination, can control the accuracy of cylinder position?
In the case of extremely high accuracy requirements, you can not, please consider a few problems: 1, hydraulic oil can be compressed, it is elastic like a spring. Therefore, in the general hydraulic servo system, the valve control is far more accurate than the pump control. Because the valve can be installed very close to the hydraulic cylinder, or even installed on the hydraulic cylinder, but the pump must go through the tubing and then into the hydraulic cylinder, there is a long distance, which greatly reduces the rigidity of the system and increases the difficulty of control. 2, the quantitative pump is first of all leaking, and there is 10%-20% flow pulsation. Secondly, and more unfortunately, the leakage of the pump is related to the pressure and is non-linear.

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