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机械设计与制造毕业论文

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毕业设计

机械加工表面质量的影响因素

学 生 姓 名: 王仲果 指

专所

业在

名院

称: 机械设计与制造 系: 机电工程系

2016年10月

师:

1

目 录

摘 要 ······························································································· 1 Abstract ·························································································· 2 第一章 基本概念 ··············································································· 3

1.1 机械加工 ·················································································· 3 1.2 切削加工 ·················································································· 3 1.3 磨削烧伤.. ················································································· 3 1.4 表面冷作硬化.. ········································································· 3 1.5 表面材料金相组织变化 ····························································· 4

第二章 影响工件表面质量的因素 ···················································· 5

2.1 加工过程对表面质量的影响 ······················································ 5 2.2 影响工件表面物理机械性能的因素 ········································ 6

第三章 提高机械加工工件表面质量的措施 ····································· 8

3.1 刀具方面 ·················································································· 8 3.2 工件材料方面 ··········································································· 8 3.3 切削条件方面 ··········································································· 8 3.4 加工方法方面 ··········································································· 8

第四章 机械加工表面质量对零件使用性能的影响 ························ 10

4.1 表面质量对零件耐磨性的影响 ················································ 10 4.2 表面质量对零件疲劳强度的影响 ············································· 10 4.3 表面质量对零件耐腐蚀性能的影响 ········································· 10

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4.4表面质量对零件间配合性质的影响 ·········································· 11 4.5 表面质量对零件其他性能的影响 ············································· 11

第五章 结论 ···················································································· 12 致 谢 ···························································································· 13 参考文献 ·························································································· 14

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