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现在常用的螺丝铣刀有两种:(1)盘状螺丝铣刀,(2)组铣刀。前者用来粗加工传动螺旋,而一般的螺丝铣切均用后者来进行。所以本文只叙述有关组铣刀的问题。组铣刀的外形好像是在一根心轴上装着许多圆片铣刀,所以称它为组铣刀。用组铣刀加工时的优点如下:1.节省机动时间;2.另件的装卸辅助时间较短;3.可以实行多机床管理;4.可以由技术较低的工人来操作。铣切时铣刀沿螺丝全长同时进行切削(图一)。其相对运动如下:工件缓慢转动,铣刀向相反方向
Screw cutter now commonly used in two ways: (1) disc screw cutter, (2) group cutter. The former is used to rough drive spiral, while the average screw milling are used to carry out. So this article only describes the issue of milling cutter group. Group milling cutter shape seems to be in a mandrel with a lot of wafer milling cutter, so call it a group milling cutter. The advantages of machining with a group milling cutter are as follows: 1. Saving time for maneuvering; 2. Short loading and unloading auxiliary time for other parts; 3. Multiple machine tool management possible; 4. Operation by less skilled workers. Milling cut along the length of the screw at the same time cutting (Figure 1). The relative movement is as follows: the workpiece slowly rotates, milling cutter in the opposite direction