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C2163·6型六轴自动车床使用多年后,主轴鼓有时会研伤,也是造成切断保险键的原因之一。经分析认为切削过程中冷却液冲在刀具刃部,由于冷却油量太大,加上冷却油向主轴端面喷射,很细小的铁屑随冷却液喷到主轴鼓盘面上,使铁屑聚积在主轴鼓的滑道面上所致。解体检查结果,主轴鼓(材料为铸铁HT300、滑动面热处理HRC52)研伤深0.2mm;前箱鼓孔研伤较严重,深达0.7 mm。如对鼓孔修理加工,主轴鼓磨削修
C2163 · 6-type six-axis automatic lathe after years of use, the spindle drum sometimes injured, but also cut off the insurance key is one of the reasons. The analysis shows that the coolant rushing in the cutting edge of the tool, the cooling oil is too large, with cooling oil to the spindle end spray, very small iron chips with coolant sprayed onto the drum surface of the spindle, so that the accumulation of iron filings Spindle drum caused by the slide surface. Disintegration test results, the spindle drum (material for the cast iron HT300, HRC52 sliding surface heat treatment of 0.2mm depth of injury; front case drum hole more serious injury, up to 0.7 mm deep. Such as the drum hole repair processing, the spindle drum grinding repair