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我厂长年加工铝合金铸件、铝棒、铝板及有机玻璃、塑料等材料的零件。过去采用尖头锪刀、斜角锪刀加工,切削深度小(一般2毫米)、效率低、加工表面光洁度差。经长期生产实践不断摸索,改进成一种半圆弧刃锪刀,切削深度可达10～12毫米,加工效率可提高3～4倍,表面光洁度达▽7,使用效果较好。刀具结构如图所示,采取平圆弧刃切削,使切削力分解,减轻震动,切削性能平稳,进给量大,噪音低。
I plant long processing aluminum alloy castings, aluminum rods, aluminum and plexiglass, plastic and other materials parts. In the past the use of tipped trowel, bevel trowel processing, cutting depth is small (usually 2 mm), low efficiency, poor machined surface finish. After long-term production practice to explore, improved into a semi-circular arc edge trowel, cutting depth up to 10 to 12 mm, processing efficiency can be increased by 3 to 4 times, surface finish up to ▽ 7, the use of better. Cutter structure shown in the figure, take the flat arc cutting edge, the cutting force decomposition, reduce vibration, cutting performance smooth, large feed, low noise.