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滚道尺寸涨大和滚道角度改变是渗碳钢轴承热处理产生废品的主要原因。经过对轴承外圈车加工余量、模具尺寸和角度的调整，避免了由于尺寸涨大和角度改变造成的废品，提高了渗碳钢轴承的质量，为加工特轻窄系列渗碳钢轴承积累了宝贵经验。附图２ 幅，表２ 个。
Rising raceway size and raceway angle change is the main reason for carburizing steel bearing heat treatment waste. After the bearing outer ring machining allowance, the size of the mold and the angle adjustment, to avoid due to the size of the larger and angle changes caused by the waste to improve the quality of carburized steel bearings, for processing special light and narrow series of carburized steel bearings accumulated Valuable experience Figure 2, Table 2.