According to the relative position of the rotor of the screw motor and the milling cutter, the coordinates of the helical tooth form and the cutter are-established.
根据螺杆钻具转子加工时与铣刀的相对位置，建立空间螺旋齿面坐标系和铣刀坐标系。
2
By the experiment of high-speed milling aluminium alloy with carbide end milling cutter, the method of helical chip formation was researched.
通过硬质合金立铣刀高速加工铝合金的铣削试验，对螺旋状切屑的成形进行了研究。
3
The helical ridge cleaning device is arranged in front of an opener, and mainly comprises a cutter shaft and a circular knife welded on the cutter shaft;