上海维宏电子科技股份有限公司
Weihong Electronic Technology Co., Ltd.
- 38 - Specialized, Concentrated, Focused
establish the machine coordinate system. Machine reference point can be coincident with the
machine origin (in the default system setting), or not.
When home switch works normally, if spindle moves away from home switch direction in the
process of returning to the machine origin, the value of ―X/Y/Z/A direction in backing to reference
point‖ (coarse positioning direction) should be modified, please refer to question No. 2 in chapter
3.3.3 when the moving direction of machine is incorrect during backing to the machine origin. If the
speed of returning to the machine origin is quite low, users can adjust the value of ―X/Y/Z/A speed in
backing to reference point‖ (coarse positioning speed) properly. ―Retract Distance‖ refers to a
certain moving distance away from origin to leave the signal sensitive zone of home switch after
backing to machine origin ends.
Related Parameters to Detect Distance between Coarse and Fine Positioning Switches
For analysis of the distance between
home switch and encoder zero in
backing to the machine origin
Related to specific machine tool, screw pitch of ―X/Y/Z/A‖ should be set after being measured in
actual operation.
3.3.3 FAQ & Troubleshooting
1) REF. point signal cannot be detected in the process of returning to machine origin.
It is generally caused by home switch. The debugging & adjusting steps are shown in Fig. 3-9.
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