Aviation piston core part structure and preparation method
A technology for pistons and parts, which is applied in the field of structure and preparation of aviation piston core parts, can solve the problems of low service life, air tightness, poor friction and wear resistance, and high maintenance cost of aviation piston core parts, so as to improve roughness, Improve the wear resistance, change the effect of surface finish and wear resistance
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[0022] Such as figure 1 As shown, an aviation piston core part structure includes a piston shaft 1 and a piston top 2, the top end of the piston shaft 1 is fixed with the piston top 2, the bottom end of the piston shaft 1 is fixed with a base 3, and the piston top 2 is fixed on the The conical part 22 is composed of the conical part 21 , the conical part 21 is fixedly connected with the top end of the piston shaft 1 , and the top end of the conical part 22 has an arc-shaped pushing end 23 . The outer fixed sleeve of the piston shaft 1 close to the piston top 2 is equipped with a sealing ring B5, and the external of the piston shaft 1 is also fixedly sleeved with a sealing ring assembly. The sealing ring assembly is composed of several sealing rings A4 evenly spaced. Has a chromium nitride coating.
[0023] Such as figure 1 As shown, there is a seal ring installation groove B on the outer circumference of the piston shaft 1, and the seal ring B5 is internally fitted in the se...
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