杆的位置由千分尺螺丝规或球度计确定。
The position of the rod is determined by a micrometer screw gauge or spherometer.
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。
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。
D. 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. E.
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