ca6140车床主轴箱的设计

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1、目录目录......................................................1摘要......................................................5Abstract....................................................6第一章引言.................................................7第二章主要技术参数.........................................8第三章确定结构方案..

2、......................................10第四章主传动系统运动设计..................................114.1拟订结构式.........................................114.1.1确定变速组传动副数目.........................114.1.2确定变速组扩大顺序...........................114.2绘制转速图........................................124.2.1验算传动组变速范围......

3、.....................124.2.2分配降速比...................................124.2.3绘制转速图...................................134.3确定齿轮齿数......................................13364.4验算主轴转速误差...................................144.5绘制传动系统图.....................................14第五章估算传动件参数，确定其结构尺寸...........

4、............165.1确定传动件计算转速.................................165.1.1主轴.........................................165.1.2各传动轴.....................................165.1.3各齿轮.......................................165.2确定主轴支承轴颈直径..............................165.3估算传动轴直径...............................

5、.....165.4估算传动齿模数....................................175.5离合器的选择与计算................................175.5.1确定摩擦片的径向尺寸........................175.5.2按扭矩确定摩擦离合面的数目Z................185.5.3计算摩擦离合器的轴向压力Q...................195.5.4摩擦片厚度..................................195.5.5反转时摩擦片数的确定...............

6、.........19365.6普通V带的选择与计算...............................195.6.1确定计算功率Pc,选择胶带型号................195.6.2选取带轮节圆直径、验算带速..................195.6.3确定中心距a、带长L、验算包角.............205.6.4计算胶带的弯曲次数u........................205.6.5确定三角胶带的根数Z........................215.6.6确定初拉力F0和对轴的压力Q..................21第六章

7、结构设计............................................226.1带轮设计..........................................226.2主轴换向与制动机构设计............................226.3齿轮块设计........................................226.4轴承的选择.................................