Omron SCARA R6Y-XC Series User Manual page 59

CAUTION
DEPENDING ON THE Z-AXIS POSITION, VIBRATION MAY OCCUR
WHEN THE X, Y OR R-AXIS MOVES. IF THIS HAPPENS, REDUCE THE X,
Y OR R-AXIS ACCELERATION TO AN APPROPRIATE LEVEL.
CAUTION
IF THE MOMENT OF INERTIA IS TOO LARGE, VIBRATION MAY OCCUR
ON THE Z-AXIS DEPENDING ON ITS OPERATION POSITION. IF THIS
HAPPENS, REDUCE THE Z-AXIS ACCELERATION TO AN APPRORIATE
LEVEL.
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CHAPTER 3 Installation