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研究分析了齿轮机床分度链传动误差与切齿周节误差的关系，指出了用切齿法代替传动测试来考核齿轮机床精度的6点突出弊端。
The relationship between the transmission error of gear machine indexing chain and the pitch error of gear cutting was analyzed and analyzed, and the six drawbacks of using gear cutting method instead of transmission test to evaluate the precision of gear machine tool were pointed out.