Helix angle 30? ? 2 Flutes, 3 Flutes, 4 Flutes are mainly used in the processing ordinary materials and middle - high hardness steels.

螺旋角45°至50°二刃 、 三刃 、 四刃以适用于加工中硬度钢铁、不锈钢、钛合金、镍合金等高硬度材料的高速切削,效果更佳.

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The the force location and helix angle the bend stresses of pinion and face - gear is discussed.

讨论了外力作用位置沿齿长方向变化与螺旋角变化时圆柱齿轮和面齿轮弯曲应力的变化规律.

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The formulation of the helix angle of the device with tapered thread is deduced.

推导了锥螺纹的螺旋升角计算公式.

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