直纹滚花螺母采用冷挤压一次成形新工艺，成效显著。
There are lots of advantages by cold extrusion for straight knurl nut in a single process.
如果以齿纹中点法剖面作为齿形检测和设计剖面，用平面啮合法设计花键滚刀时，则齿形误差最小。
If the normal section in the center of the tooth line is taken as a tooth measuring and design section, when spline hob is designed in a plane meshing, the tooth profile error is minimum.
纹滚花螺母采用冷挤压一次成形新工艺，成效显著。
There are lots of advantages by cold extrusion for straight knurl nut in a single process.
纹滚花螺母采用冷挤压一次成形新工艺，成效显著。
There are lots of advantages by cold extrusion for straight knurl nut in a single process.
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