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白俄罗斯工业大学研制成一种在切削区外净化砂轮用的装置(苏联发明证书号1292998)。由于使用这种净化装置,能有效地磨削高合金钢和有色合金。在装置的内圆柱面上配置有用导电材料(与稳定的直流电源相连接)和绝缘材料交替制成的齿1和2。这装置(具有供给冷却润滑液的喷嘴3)固定在机床的罩壳上,其侧面包容砂轮4的端面,而齿顶与砂轮圆周边之间的间隙为0.5～1.4mm。
Belarussian University of Technology has developed a device for cleaning grinding wheel outside the cutting area (Soviet Union invention certificate number 1292998). Due to the use of this cleaning device, high alloy steels and non-ferrous alloys can be effectively ground. Arranged on the inner cylindrical surface of the device are teeth 1 and 2 which are alternately made of a conductive material (connected to a stable direct current source) and insulating material. The device, which has a nozzle 3 for supplying a cooling lubricant, is fixed to the casing of the machine tool, the side of which is covered by the end face of the grinding wheel 4 and the clearance between the tooth tip and the circumference of the grinding wheel is 0.5 to 1.4 mm.