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磨削经渗碳淬火后高硬度的20CrMoTi或15CrMnA 钢齿轮,很容易发生齿轮两端平面或齿面磨裂,多数磨裂与磨削方向相垂直呈较平行线排列,一般较有规律,少数磨削面带烧伤的裂纹形态不规则。这是磨齿工艺中长期存在而尚未彻底解决的一个严重问
Grinding 20CrMoTi or 15CrMnA steel gear with high hardness after carburizing and quenching is prone to ground plane or tooth surface grinding at both ends of the gear. Most of the grinding and grinding directions are perpendicular to the parallel lines, generally with regular and few Grinding surface with an irregular shape of the burn cracks. This is a serious problem in the grinding process that has not yet been completely solved