Precision ball screw unit is the key part of NC machine, and its manufacturing level determines the precision level of NC machine to great extent.
精密滚珠丝杠副是数控机床的关键功能部件，其制造水平的高低在很大程度上决定了数控机床的精度高低。
Ball screw 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。
The precision and performance index of ball screw unit determine the positioning accuracy and the resetting accuracy of nc machines, especially its lead error.
它的精度和各项性能直接影响数控机床的定位精度和重复定位精度，特别是滚珠丝杠的导程误差对机床定位精度的影响最为明显。
The precision and performance index of ball screw unit determine the positioning accuracy and the resetting accuracy of nc machines, especially its lead error.
它的精度和各项性能直接影响数控机床的定位精度和重复定位精度，特别是滚珠丝杠的导程误差对机床定位精度的影响最为明显。
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