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附图所示为切割粘性材料工件用的车刀(作者发明证1207636)。它是由刀杆1和折线形的两个斜切削刃2和3组成,两个斜刃彼此用圆弧半径R相连并形成刀尖4。刀具
The figure shows a cutting tool for viscous material workpieces (author ID 1207636). It is composed of a cutter bar 1 and two beveled cutting edges 2 and 3 in the shape of a line, and the two beveled edges are connected to each other by a radius R of the arc and form a cutting edge 4. Tool