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Sigma II User's Manual
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Free of corrosive or explosive gases.
•
Well-ventilated and free of dust and moisture.
•
Ambient temperature of 0 to 40°C.
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Relative humidity (r.h.) of 20 to 80% with no condensation.
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Accessible for inspection and cleaning.
2.1.3
Alignment
Align the shaft of the servomotor with the shaft of the equipment, and then couple
the shafts. Install the servomotor so that alignment accuracy falls within the follow-
ing range.
Measure this distance at four different positions on the circumference. The difference between the
maximum and minimum measurements must be 0.0012in. (0.03mm) or less. (Rotate with the shafts coupled).
Note:
•
Vibration that will damage the bearings will occur if the shafts are not properly aligned.
•
Prevent direct impact to the shafts when installing the coupling. The encoder mounted on the
opposite end of the shaft may be damaged.
2.1.4
Orientation
SGMoH servomotors can be installed either horizontally or vertically.
Measure this distance at four different positions on the circumference. The
difference between the maximum and minimum measurements must be
0.0012in. (0.03mm) or less. (Rotate with the shafts coupled).
2-3
Chapter 2: Installation
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