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提出一种简易型园柱齿轮渐开线检查仪，介绍了该仪器的工作原理；通过精度分析，认为该仪器可以满足对７级园柱渐开线齿轮的齿形误差测量的需要。
This paper presents a simple type involute tester for cylindrical gear. The working principle of this instrument is introduced. Through the precision analysis, the instrument can meet the need of measuring the profile error of 7-level cylindrical involute gear.