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在矿山机械设备上，常采用大型标准圆锥齿轮传动机构，用来传递扭矩和改变传动方向。这类圆锥齿轮的特点是：模数大，直径大，节角大，远远超过机床加工范围，因此国内现有直齿圆锥齿轮加工机床无法加工。在这种情况下，我们充分利用现有机床设备并设计制造一些专用刀具和工艺?
In mining machinery and equipment, often use large standard bevel gear drive mechanism used to transmit torque and change the direction of transmission. The characteristics of this type of bevel gear is: large modulus, large diameter, large nodal angle, far beyond the scope of machine processing, the existing domestic straight bevel gear processing machine can not be processed. In this case, we make full use of existing machine equipment and design and manufacture of some special tools and processes?