拆解报废的发动机就会发现推杆无一例外地存在严重的麻坑及从凸轮轴凸轮脱落的金属磨屑。
On stripping down a damaged motor, the tappets are invariably found to be heavily pitted and bits of metal broken off the camshaft lobes.
选择设计数控凸轮磨的结构和运动方程，利用西门子840c数控系统，对机械靠模数控凸轮轴磨床进行数控化改造。
CNC reformation to mechanical profile following CAM grinding machine is carried on by selecting the mechanic al structure of designing CAM grinding and applying Siemens 840c CNC system.
选择设计数控凸轮磨的结构和运动方程，利用西门子840c数控系统，对机械靠模数控凸轮轴磨床进行数控化改造。
CNC reformation to mechanical profile following CAM grinding machine is carried on by selecting the mechanic al structure of designing CAM grinding and applying Siemens 840c CNC system.
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