Landing leg hydraulic cylinder piston and manufacturing process thereof
A hydraulic cylinder and piston technology, applied in the field of hydraulic cylinder piston and its manufacturing process, can solve problems such as oil leakage, wear, and strain on the inner wall of the cylinder barrel
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[0011] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0012] Referring to the accompanying drawings, this embodiment includes a piston body 2, an annular gasket groove 1 is provided on the outer circular surface of the middle part of the piston body 2, and a rubber gasket 6 for sealing is placed in the annular gasket groove 1, and the piston body on both sides of the annular gasket groove 1 The surface is processed with a welding process ring groove 5, and a copper fusion welding coating 3 is welded in the welding process ring groove 5, and the copper fusion welding coating is 1mm higher than the outer surface of the piston body 2; the piston body 2 is fixed to the piston rod 9 through the internal thread 4 .
[0013] Manufacturing process: firstly, the annular gasket groove 1 and the welding process ring groove 5 are turned on the outer surface of the piston body 2; then, the brazing adhesive and copper s...
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