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在淬火钢件上,直径40～60mm、深100～150mm精密孔的最后加工,一般都用镶有偶数金刚石条的珩磨头进行,但在生产条件下,采用这种工具不能保证孔形达到高的几何精度,而采用单磨条珩磨法则能保证被加工孔达到此精度,但此法暂还未得到广泛应用。苏联《拖拉机农业机械科学研究所》科研生产联合体研制了一种单磨条珩磨头,它用刀体5、松开用锥体3、焊磨条6的T形刀座4组成。刀体上紧固有BK8硬质合金制成的导向件7。环形弹簧2和弹簧1可使带珩磨条的刀座返回初始位置。该珩磨头可供泵套上φ40mm,深100mm孔的最后精加工之用,泵套
In the hardened steel, the diameter of 40 ~ 60mm, the depth of 100 ~ 150mm precision hole final processing, generally with an even number of diamond-studded honing head, but in production conditions, the use of such tools can not guarantee the hole to reach high Of the geometric accuracy, and the use of a single grinding honing method can be processed to ensure that the hole to achieve this accuracy, but this method yet to be widely used. Soviet Union “Tractor Agricultural Machinery Science Institute,” Research and Production Consortium has developed a single grinding honing head, which uses a knife body 5, the cone with the release 3, the welding rod 6 T-shaped seat 4 seat. Knife body fastened with BK8 carbide made of the guide 7. The ring spring 2 and the spring 1 return the knife holder with the honing stone to the initial position. The honing head for the pump φ40mm, 100mm deep hole for the final finishing purposes, pump sets