目录第一章主轴的服役条件及可能的失效形式······························21.1主轴的工作条件···················································21.2失效形式························································2第二章主轴的性能确定··············································32.1疲劳断裂的分析·····················ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ?2.2磨损失效的分析···················································32.3变形失效的分析··················································42.4主轴的性能特点··················································4第三章45钢的基本性质··············································53.1钢的化学成分和力学性能···········································53.2材料中含碳量及合金元素的作用·····································5第四章主轴的加工路线··············································74.1加工工艺路线····················································74.2热处理的目的····················································7第五章热处理工艺及曲线图··········································95.1预备热处理······················································95.2淬火····························································95.3高温回火·······················································115.445#钢不要采用渗碳淬火···········································115.545#钢调质处理···················································125.6表面淬火·······················································135.7低温回火·······················································14第六章热处理后光学金相显微组织·································156.1正火热处理后的金相组织·········································156.2调质热处理后的金相组织·········································16第七章质量检验··········ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ?87.1检验项目·······················································1817.2评定标准·······················································18总结··························································22致谢语··························································24参考文献··························································252第一章主轴的服役条件及可能的失效形式1．1主轴的工作条件1．承受摩擦与磨损机床主轴的某些部位