齿轮渐开线样板和螺旋线样板是齿轮参数的标准计量器具，分别用于齿轮仪器渐开线、螺旋线参数的校准。
The gear involute master and helix master are measurement standards and usually used to calibrate the involute and helix parameters of gear equipments.
本文介绍1980年底研制成的测量高精度齿轮和检定渐开线样板的渐开线检查仪。
This paper introduces an involute tester for measuring the high-precision gears and the involute standard templates, which was developed at the end of 1980.
本文介绍1980年底研制成的测量高精度齿轮和检定渐开线样板的渐开线检查仪。
This paper introduces an involute tester for measuring the high-precision gears and the involute standard templates, which was developed at the end of 1980.
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