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加工难加工材料时,为了也能获得高的切削效率,西德Walter 公司制造了一种镶硬质合金长螺旋刀片的Heli 粗铣刀,该刀片具有特殊的齿形。这种粗铣刀的前面可在具有螺旋形
In order to achieve high cutting efficiencies in the machining of difficult-to-machine materials, West German-based Walter manufactures a Heli Rough Cutter with carbide long helical insert with special toothing. The front of such a roughing cutter may have a helical shape