谈巧用麻花钻加工精孔的操作

Introducing the operation of drillin high-precise hole with trist drill

用麻花钻钻出较高精度的孔 ,一直使操作者感到困惑。作者经过多年的实践与总结 ,从钻头切削角度的改磨、切削用量的选择等 4方面加以控制 ,较大地提高了钻孔精度 。

It's a Confusing work to drill high-precise hole with twist drill,the writer,for solving the problem and promoting precise,summed up the main points of drill,and has found some ways to improve the operation precise.Control the precise through choosing the proper amount of cutting,changing the grinding angle of cutting edge.The writer thought it could be a good reference to Operations.