数控车床主传动机构设计
check the intensity, rigidity of gear wheel and axle . In addition, will design the main
structure in the body of the case , the selecting types of some parts, Electromagnetic choice
of clutch,etc., finish to whole main design of transmission for instance.
Keywords：
NC machine tool; main driving system; design
目录
0 引言........................................................................................................4
1
............................................................6
1．1 拟定主运动参数(、、Z)............................................................................................6
1．2 运动设计.....................................................................................................................6
1．3 动力计算和结构草图设计.........................................................................................6
1．4 轴和齿轮的验算.........................................................................................................7
1．5 主轴变速箱装配设计.................................................................................................7
2
2.1 车床主参数(规格尺寸)和基本参数.............................................................................7
2.2 各级转速的确定............................................................................................................8
3
3．1 主拟定传动方案.........................................................................................................8
3．2 传动方案的比较.........................................................................................................9
3．2．1 采用单速电机................................................................................9
3．2．2 采用双速电机..............................................................................10
3．3 各级传动比的计算...................................................................................................11
3．4 各轴转速的确定方法................................................................................................13
2