介绍一种采用扫描方式测量锥面环、桶面环等活塞环外圆轮廓参数的测量仪。
An instrument that measures the outer profile parameters of piston rings such as conical rings, tubbish rings by scanning is introduced.
结果表明，只要台阶高度选择得合适，可使阶梯型活塞环的承载能力在整个磨损寿命阶段内都大于桶面活塞环的承载能力。
It is indicated that if the shoulder height of the stepped cross section piston ring is properly selected, its bearing capacity may be greater than that of the cir...
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