我厂新产品试制时对小孔的光洁度方面,曾经是一个很大的关键问题,小孔尺寸繁多,既无小数合适的铰刀,又不能磨削加工,所以我厂曾对小孔光洁度方面采取了一系列措施,结果虽解决了一些问题,但不够令人满意。如利用珠形挤光法等,光洁度虽能够达到 Our factory trial of new products on the hole finish, was a big key issue, the hole size, there is no suitable number of reamers, but also grinding process, so my factory had a small hole finish A series of measures have been taken. Although the results have solved some problems, they have not been satisfactory enough. Such as the use of bead-shaped light law, although the finish can be achieved