以轴直齿类零件为例 ,提出一种快速的、能同时测量轴向尺寸和径向尺寸的的非接触、多参数综合测量方法。它利用基于光学三角法的激光位移传感器获得轴类零件的径向尺寸 ,利用半导体激光器与光电二极管组成的扫描式发讯传感器和光栅传感器的组合获得轴向尺寸。探讨了该系统的检测性能 ,给出了测试结果。 Taking the spur gear parts as an example, this paper proposes a non-contact and multi-parameter comprehensive measuring method which can measure axial and radial dimensions simultaneously. It uses the optical trigonometric laser displacement sensor to obtain the radial size of shaft parts, the use of semiconductor lasers and photodiodes consisting of a combination of scanning sensor and grating sensor to obtain the axial size. The detection performance of the system is discussed and the test results are given.