数控车床的主轴组件毕业设计（论文）

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1、毕业论文（设计）机电工程系级机电一体化专业题目：数控车床主轴组件设计学生姓名：指导教师：班级：2008年06月10日-40-目录绪论························································4一、设计题目及参数············································51.1题目·················································51.2参数·················································5二、主轴的要求及结构···

2、······································52.1主轴的要求···········································52.1.1旋转精度··········································52.1.2静刚度··············································62.抗振性·················································6-40-2.1.4温升和热变形································

3、········62.耐磨性·················································72.1.6材料和热处理········································72.2主轴的结构············································7三、主传动系统变速方式········································8四、机床夹具的确定··········································10五、主轴主要参数的计算及校核············

4、·····················115.1主轴主要参数的计算···································115.1.1主轴前端直径D1····································125.1.2-40-主轴内径d·········································125.1.3主轴前端悬伸量确定·······························135.1.4主轴跨距的确定····································145.2轴的刚度计算··············

5、··························15六、主轴轴承的选择···········································166.1轴承的选型··········································166.1.1角接触球轴承·····································176.1.2圆柱滚子轴承·······································196.1.3圆锥滚子轴承·······································166.1.4深沟球轴承··

6、·························-40-··············196.2轴承间隙调整和预紧···································19七、主轴箱箱体的设计·········································207.1主轴箱的概述·········································207.2主传动的设计········································207.2.1驱动源的选择······································2

7、07.2.2传动轴的估算······································217.2.3齿轮模数的估算····································237.2.4V带的选择··········································247，3主轴箱展开图的设计································