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四、金刚石和立方氮化硼铰孔 1.金刚石和立方氮化硼铰孔的特点用金刚石和立方氮化硼铰刀加工精密孔,它综合了珩磨和刀刃铰削的特点,是近年来发展的一项新工艺,与传统的光整加工珩磨和研磨相比较,它有如下特点: (1) 采用定尺寸刀具,可获得较高加工孔的尺寸精度,并且它也不像珩磨工具那样,刀具在被加工孔内并不胀开,因而一般而论也不受所加工孔原有形状误差的影响,可使加工孔的几何形状精度稳定在0.005mm以内。对孔内有直槽、横孔或不连续的孔均有显著的效果。
Fourth, the diamond and cubic boron nitride reaming 1. Diamond and cubic boron nitride reaming characteristics Diamond and cubic boron nitride reamer machining precision hole, which combines the characteristics of honing and cutting edge reaming, is the development in recent years Has the following characteristics compared to the conventional finishing and honing: (1) The dimensional accuracy of the machined hole can be obtained with the sizing tool, and unlike the honing tool, The tool does not expand in the hole to be machined, so that the shape error of the original hole is not affected in general, and the machining hole geometry accuracy is stabilized within 0.005 mm. The hole has a straight slot, horizontal hole or discontinuous holes have a significant effect.