Processing method for hydraulic oil tank cylinder barrel of lifter
A technology of hydraulic oil tank and processing method, which is applied in the field of elevators, can solve problems such as difficult to find the cause, easy leakage of hydraulic transmission, and multiple hydraulic energy losses, so as to achieve the effect of improving the working effect of the oil tank, improving the controllability of the operation, and improving the energy saving effect
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[0011] The method for processing the hydraulic oil tank cylinder of the elevator described in the embodiment of the present invention, the main steps include:
[0012] ⑴ The material for processing the cylinder is 35 or 45 steel. When the cylinder, cylinder head, hanging street and other components are welded together, the 35 steel with better welding performance is used and modulated after rough machining;
[0013] (2) The cylinder and the piston adopt a rubber seal ring structure, and the matching adopts H9 / f8. If the piston ring is used for sealing, the matching is H7 / g6, and the inner diameter of the cylinder is ground;
[0014] (3) Apply a metal chrome-plated layer on the inner surface of the cylinder, the thickness of the chrome-plated layer is 30-35 mμ, and the inner surface of the cylinder is polished after chrome plating;
[0015] ⑷Set the roundness and cylindricity error of the inner diameter of the cylinder to be no more than half of the diameter tolerance, and the ...
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