Adopting high precision lead screw and guide rail to ensure accurate positioning, it has advantages of faster speed, easy operation, stable performance, favorite price and wide application.

采用高精度丝杆及导轨，保证精确定位，加速度快，使用简便，性能稳定，价格经济，应用广泛。

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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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C. Guide rail of impeller stopper adopts high hardness, good abrasion linear rails, and with small gap, high hardness ball screw lead, ensures stability and high precision for paper pushing. D.

推纸挡规导轨采用硬度高，耐磨性好的线性导轨，再配以间隙小，硬度高的滚珠丝杆，最大保证了推纸的平稳性和高精度性。

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