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精磨后的滚丝轮牙形角通常用工具显微镜来测量。然而,一般工具显微镜的最大测量直径不大于100毫米。于是,对于直径大于100毫米的滚丝轮便无法直接测量了。而从设计角度考虑,为了提高滚丝轮的刚度,增加滚丝轮
The ground thread angle is usually measured with a tool microscope. However, the maximum measurement diameter of a general tool microscope is not more than 100 mm. As a result, the diameter of more than 100 millimeters rolling wheel can not be measured directly. From the design point of view, in order to improve the stiffness of the roller gear, increase the roller