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R6YXE610 R6YXE710
4
Step12
Shift the engagement between the motor pulley and belt tooth.
Shifting the belt engagement one tooth will change the machine reference value approximately 25%.
When shifting the pulley clockwise with the belt teeth left as they are, the reference value will increase.
Conversely, when shifting the pulley counterclockwise, the reference value will decrease.
Shift the engagement between the pulley and belt so that the Z-axis machine reference value enters a
range of 25 to 75% when compared to that confirmed in Step 4.
Step13
Tighten the plate mounting bolts.
At this time, tighten the bolts while applying an appropriate tension to the belt.
The appropriate tension can be checked as the vibration frequency is measured when the belt is
stretched.
Step14
Go out of the safety enclosure.
Step15
Turn on the controller.
Check that no one is inside the safety enclosure, and then turn on the controller.
Step16
Perform the return-to-origin of the Z-axis.
NOTE
For details about how to perform the return-to-origin, refer to "2.3 Return-to-origin procedures" in this Chapter.
Step17
Check the Z-axis machine reference value.
After the return-to-origin has been completed, check that the machine reference value is within the
return-to-origin tolerance range (25 to 75%).
If the adjustment machine reference value is outside the tolerance range (25 to 75%), then repeat the
procedure from step 9 again to readjust it.
Step18
Turn off the controller.
Step19
Enter the safety enclosure.
Step20
Reattach the cover.
4-12
Step 11 Removing the plate
To adjust the Z-axis reference value,
loosen the bolts at 3 locations.
R-axis motor
R-axis fixing plate
Z-axis belt tension (Appropriate frequency)
R-axis belt tension (Appropriate frequency)
Z-axis motor
Z-axis fixing plate
To adjust the R-axis reference value,
loosen the bolts at 3 locations.
R6YXE400
R6YXE610 / R6YXE710
259 to 333Hz
308 to 398Hz
23401-FV-00
150 to 173Hz
286 to 366Hz
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