卧式升降台铣床主传动系统计算说明书

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卧式升降台铣床主传动系统计算说明书目 录
第 1 章 机床的规格及用途 ...................................................................................... 1
第 2 章 运动设计....................................................................................................... 1
2.1 确定极限转速 ............................................................................................ 1
2.2 确定公比 .................................................................................................... 1
2.3 求出主轴转速级数 .................................................................................... 1
2.4 确定结构网或结构式 ................................................................................ 2
2.5 绘制转速图 ................................................................................................ 2
2.5.1 选用电动机 ..................................................................................... 2
2.5.2 确定传动轴的轴数 ......................................................................... 2
2.5.3 绘制转速图 ..................................................................................... 3
2.6 转速图 ........................................................................................................ 4
第 3 章 传动零件的初步计算 .................................................................................. 5
3.1 传动轴直径初定 ........................................................................................ 5
3.2 主轴轴颈直径的确定 ................................................................................ 6
3.3 齿轮模数计算 ............................................................................................ 6
3.3.1 初算齿轮模数 ................................................................................. 6
3.3.2 对各种限制的讨论 ......................................................................... 7
3.3.3 其余验证 ......................................................................................... 8
3.4 核算主轴转速误差 .................................................................................... 8