范一平   

胜利油田胜利动力机械集团有限公司；

【摘要】 本文介绍了用自准直仪法测量柴油机机体主轴承座孔同轴度的方法,此方法适用于大型孔系零件的同轴度测量,测量方便快捷,准确度高。

【关键词】 自准直仪； 同轴度； 柴油机； 

【Abstract】 The paper discusses measurement of coaxiality of the main shaft bores in diesel engine with the auto-alignment Instrument.This method is applicable to measure the coaxiality of components drilled with big sized bores.The measurement method is convenient and accurate.

【Key words】 Auto-alignment Instrument Collimator； Coaxiality； Diesel Engine