The precision and performance index of ballscrew unit determine the positioning accuracy and the resetting accuracy of nc machines, especially its lead error.
Ballscrew unit is the key part of NC machines, and its adoption is an effective measure of improving sensitivity, positioning accuracy and prevention crawl.
滚珠丝杠副是数控机床进给系统的核心部件，采用它是提高进给系统灵敏度、定位精度和防止爬行的有效措施。
3
Rigidity of feed system with ballscrew in nc lathe has a major influence on loss of momentum and positioning precision.