This article mainly introduces:
Estonia hydraulic cylinder,reset cylinder manufacturer,reset cylinder
(Estonia reset cylinder,produced by Hengyu Group）
reset cylinder are widely used in Estonia，because of simple structure and reliable operation，excellent temperature resistance，no transmission clearance.So our company has designed reset cylinder for customers from Estonia.
When the reset cylinder thrust is insufficient, check the hydraulic circuit for leaks. Including leakage of valves and hydraulic lines. The inspection method is to check and eliminate the leakage of the hydraulic connection line by manipulating the reversing valve. Also consider the relief valve. If the relief valve enters the dirt and jams the spool, so that the relief valve is normally open, the hydraulic oil will flow directly back to the tank through the relief valve bypass, resulting in no oil in the reset cylinder. If the load is too large, although the regulating pressure of the relief valve has reached the maximum rating, the reset cylinder still cannot get the thrust required for continuous action without action. If the regulating pressure is low, the pressure is insufficient to achieve the required vertebra force, which is manifested as insufficient thrust. Check and adjust the relief valve at this time.
Under normal circumstances, the reset cylinder is composed of the rear end cover, body, piston, piston rod and front end cover and other main parts. In order to prevent the working medium from leaking out of the reset cylinder or from the high pressure chamber to the low pressure chamber, a sealing device (sealing ring) is arranged between the reset cylinder and the end cover, the piston and the piston rod, the piston and the reset cylinder, the piston rod and the front end cover. A dustproof device is also provided on the outside of the front end cover. In order to prevent the piston from impacting the end cap when it moves rapidly to the end of the stroke, the end of the reset cylinder can also be provided with a buffer device. If necessary, the exhaust device should be set in order to exhaust.
reset cylinder is the most important part of construction machinery, the traditional processing method is: broaching reset cylinder block - fine boring reset cylinder block - grinding reset cylinder block. The rolling method is: broaching reset cylinder block - fine boring reset cylinder block - rolling reset cylinder block, the process is 3 parts, but the time is compared: grinding 1 meter of the reset cylinder block is about 1-2 days, rolling 1 meter of the reset cylinder block is about 10-30 minutes. Input comparison: grinding machine or quilting machine (tens of thousands - millions), rolling knife (ten thousand - tens of thousands). After rolling, the surface roughness of the hole decreases from RA3.2-6.3 μm before rolling to Ra0.4 ~ 0.8μm, the surface hardness of the hole increases by about 30%, and the fatigue strength of the inner surface of the reset cylinder increases by 25%. If the reset cylinder life is only considered, it is increased by 2 to 3 times, and the boring and rolling process is 3 times more efficient than the grinding process In particular, if you want to make high-quality reset cylinders, you must take the rolling production process. After the reset cylinder is rolled, there is no sharp tiny edge on the surface, and long-term motion friction will not damage the seal ring or seal, which is particularly important in the hydraulic industry.
The main role of the reset cylinder: the reset cylinder is an executive element in the hydraulic transmission system, which is an energy conversion device that converts hydraulic energy into mechanical energy. The hydraulic motor realizes continuous rotary motion, while the reset cylinder realizes reciprocating motion. The structure of the reset cylinder has three categories: piston reset cylinder, plunger reset cylinder, swing reset cylinder, piston reset cylinder and plunger reset cylinder to achieve reciprocating linear motion, output speed and thrust, swing reset cylinder to achieve reciprocating swing, output angular speed (speed) and torque. In addition to the single use of the reset cylinder, two or more can be combined or used in combination with other mechanisms. To fulfill a special function. The reset cylinder has simple structure and reliable operation, and has been widely used in the hydraulic system of machine tools.
What are the standard cylinder models for hydraulic cylinders?
National standard GB/T2348-1993 specifies the hydraulic cylinder inner diameter series, you can check GB/T2348-1993 relevant regulations.
The two cylinders of the bending machine are out of sync?
Check whether the sliding slide is worn, adjust its tightness, so that both sides are consistent, check whether the two cylinder tubing is connected, tighten the flow valve, pressure, let the cylinder air discharge.
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