用它代替丝杠副作为传动链的最终环节，对提高铲齿精度和简化机床结构有一定的效果。
The mechanism is used, as the last link of transmission gear in place of the leadscrew-nut pair which simplifies the machine structure and improves the relieving accuracy as well.
摘要：本系统采用一级齿轮减速，带动丝杠传动，通过螺母的直线移动带动工作台运动。
Abstract: the system USES a gear reducer, drives the lead screw drive, And nut straight through mobile workbench movement.
用优化设计方法进行滚珠丝杠传动的设计，对设计的目标函数及约束条件进行了分析讨论。
An optimization method has been used in the design of teh ball screw drive. The objective function and constraint conditions are discussed.
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