The new principle to measure the gear whole error with small pressure angle involute worms is presented.
提出了小齿形角渐开线蜗杆测量齿轮整体误差的新原理，阐明了其优点，并进行了原理论证和参数设计计算。
A method of measuring contrate involute errors of double gears, gear shapers and gear shavers on the CZ450 gear integrated error tester using the polar coordinate method is introduced.
介绍了在CZ45 0齿轮整体误差测量仪上利用极坐标法测量双联齿轮、插齿刀和剃齿刀的端面渐开线齿形的方法，从而扩展了CZ45 0的测量功能。
A method of measuring contrate involute errors of double gears, gear shapers and gear shavers on the CZ450 gear integrated error tester using the polar coordinate method is introduced.
介绍了在CZ45 0齿轮整体误差测量仪上利用极坐标法测量双联齿轮、插齿刀和剃齿刀的端面渐开线齿形的方法，从而扩展了CZ45 0的测量功能。
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