随着科技高速发展,各种高科技含量的设备和加工方法越来越多地运用在机械加工中,但最简单经济的加工方法仍是机械加工的首选.本文概述了在圆周8等分工位上钻孔的装置,该装置结构简单,加工方便,对操作者的技术水平要求也低；同时,还适用于圆心同在圆周8等分工位上且直径不同的孔.%Nowadays, science and technology have developed rapidly, a variety of high-tech equipment and processing methods have been increasingly used in machinery processing, but the most simple and economical processing method is still a preferred choice. The paper discussed drilling device in circumference of eight equal parts, It has the advantages of simple structure, convenient processing, and low technical requirement about operators. The structure also can be applied in concentric circle with eight equate circumferential position, different diameter of hole.
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