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一次螺旋线的螺纹铣削加工仅限于螺距较小的螺纹加工,如果螺纹螺距大于5 mm,由于牙深较深(计算一下)刀片所承受的切削力较大。这时教师可以借用普车上三角螺纹的进刀方法,分层多次进刀将螺纹加工出来。进到方法分直进法、斜进法、左右借刀法等多种方法进行分层多刀铣削加工。
A helical thread milling operation is limited to smaller pitch threads. If the thread pitch is greater than 5 mm, the blade will endure a greater cutting force due to deeper teeth (calculated). At this moment, the teacher can borrow the feed method of the triangular thread on the general car and process the thread in multiple layers. Into the method points straight into the law, ramp into the law, around the debit method and other methods for multi-level multi-tool milling.