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在苏联圆柱齿轮传动公差的新标准ΓOCT 1643-56和小模数(m≤1毫米)圆柱齿轮传动公差准标ΓOCT9178-59中,对齿轮及传动装置的制造精度规定了三个规范,即:齿轮的运动精度
In the new standard ︱ OCT 1643-56 cylindrical gear drive tolerance of the Soviet Union and small module (m ≤ 1 mm) cylindrical gear drive tolerance standard ΓOCT9178-59, the gear and transmission manufacturing precision provides three specifications, namely: Gear movement accuracy