4 System Design
4-8
G5-series AC Servomotors and Servo Drives User’s Manual (with Built-in EtherCAT Communications)
z Installing the R88G-VRSF (15 Arcminutes type)
Follow the instructions bellow for installing this Reduction Gear and the Servomotor.
1
Fit the bolt head of the shaft fixing bolt to the rubber cap by turning the input coupling.
Confirm the set bolt is loose.
2
Gently insert the Servomotor into the reduction gear.
Put up the reduction gear vertically and let it slide into the input shaft coupling, so as not to fall,
using the motor shaft as guide, as shown in the below diagrams. When the reduction gear
cannot be put up vertically, take care not to install the motor tilted by such as tightening a bolt
uniformly.
3
Fix the Servomotor and the flange of the reduction gear with bolts.
Bolt tightening torque
4
Tighten the bolts of the input coupling.
Bolt tightening torque (for duralumin)
Note Tighten the bolts using the torque indicated on the above table. The problem such as slipping may
occur when using the other unspecified torque.
5
Mount the rubber cap to complete the installation.
Size of the hexagon
socket head cap screw
M4 M5
Tightening torque (N·m) 3.0 5.8
Size of the hexagon
socket head cap screw
M3 M4
Tightening torque (N·m) 1.5 3.5
5.
4.
3.
1.
2.
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