The procedures are chamfering both sides of the gudgeon pin and crank pin core and semi-finishing the crank pin bore at a rate of 1000 pieces per hour at 100% efficiency.

加工工序是对活塞销孔和曲轴销孔的两侧端面倒角，并半精镗曲轴销孔，在负荷率100%时，生产率为每小时1000件。

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This paper develops the research of the measure instrument of non-cylindrical pin bore which can meet the users' requirements at the aspects of its precision, efficiency, and economy.

本论文正是要开展异型销孔轮廓测量仪的研究，使其测量精度、效率、经济性都能满足用户要求。

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The checkout error of distortion and flexure caused by tapers of crank bore and piston pin eye is analysed. The solution for this problem is put forward.

针对一般采用的几种连杆弯曲和扭曲测量方法，就连杆大小端孔锥度造成的测量误差进行了分析，并提出了解决途径。

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