文章以实例介绍了用金刚石铰削方法加工精确孔的刀具结构与材质、切削用量、加工精度及采用的专用设备。为了达到给定的孔的形状与尺寸精度,在金刚石铰削前,被加工孔应具有尽可能小的原始形状误差。采用这种方法,刀具运动的传动简单,加工精度与机床和夹具的刚性、精度关系不大,对金刚石铰刀的精度要求不高,而金刚石铰刀本身的耐用度极高,因而能获得显著的经济效 益.图6幅。 The paper introduces the structure, material, cutting amount, machining accuracy and the special equipment of the cutter with the exact hole by diamond reaming method. To achieve the shape and dimensional accuracy of a given hole, the hole to be machined should have as little as possible initial shape error prior to diamond reaming. In this way, the movement of the tool movement is simple, the machining accuracy has little to do with the rigidity and precision of the machine tool and the fixture, the accuracy of the diamond reamer is not very high, and the durability of the diamond reamer is very high The economic benefits.