上海维宏电子科技股份有限公司
Weihong Electronic Technology Co., Ltd.
- 36 - Specialized, Concentrated, Focused
4
3
2
1
Distance
D
Coarse positioning signal belt
C
C’
B A
Fine positioning signal belt
Fig. 3-7 The process of fine positioning
Retracting Stage
After finishing the fine positioning stage, system will execute retracting motion once with the
recommended retract distance as half of the screw pitch. The sketch map is shown in Fig. 3-8.
Fine Positioning Signal Belt
Distance
D
Coarse Positioning Signal Belt
C
C’
B A
Retracting
Distance
Fig. 3-8 Retracting stage