数控车床自动回转刀架的控制设计方案
目
录
1.1 概述............................................................................................................................................................2
1.2 数控车床自动回转刀架的发展趋势........................................................................................................2
1.3 刀架的设计准则........................................................................................................................................3
2.1 数控车床刀架应满足的要求....................................................................................................................3
2.2 刀架的工作原理........................................................................................................................................6
2.3 步进电机的选用........................................................................................................................................7
2.4 蜗杆及蜗轮的选用与校核........................................................................................................................8
2.5 蜗杆轴的设计..........................................................................................................................................14
2.6 蜗轮轴的设计..........................................................................................................................................22
2.7 中心轴的设计..........................................................................................................................................23
2.8 齿盘的设计..............................................................................................................................................25
2.9 轴承的选择..............................................................................................................................................28
3.1 PLC 与工业控制计算机（IPC）和集散控制系统（DSC）的比较....................................................31
3.2 控制电路硬件接线图..............................................................................................................................32
3.3 PLC 控制流程图.....................................................................................................................................35