精密综合测孔仪的原理和使用北京光电量仪研究中心（１０００８３）邹志强，王志刚，乔建峰　在机械制造和仪器制造行业中，孔的形状测量和尺寸测量是经常遇到的问题，在许多部件中，孔的尺寸、形状精度往往是部件质量至关重要的因素。例如油泵油嘴的针阀体孔、气动阀门孔... The principle and use of precision integrated hole measuring instrument Beijing Photometer Research Center (100083) Zou Zhiqiang, Wang Zhigang, Qiao Jianfeng In the mechanical manufacturing and equipment manufacturing industry, the hole shape measurement and size measurement are often encountered problems in many parts , Hole size, shape accuracy is often the most important factor in the quality of the part. Such as the pump nozzle needle body hole, pneumatic valve hole ...