矿山机械设备中大模数直齿圆柱形齿轮使用较多，当齿面磨损一定程度后就要报废，现介绍几种修整翻新复用技术。
Spur gears were used more in mine machinery equipment, they would be abandoned if wore out. Kinds of technology were introduced here.
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.
EBZ135掘进机工作机构的预留空间及工作环境，要求行星减速器尽可能简化结构、减小体积、减小齿轮模数、提高机械性能。
According to the reserved space and work environment of the EBZ135, it is necessary to simplify the structure, reduce the size and the gear module, and improve the mechanical properties.
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