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4 System Design
G5-series AC Servomotors and Servo Drives User’s Manual (with Built-in EtherCAT Communications)
4-1 Installation Conditions
4
4-1-3 Decelerator Installation Conditions
z Installing the Reduction Gear into the machine.
Confirm the mounting surface flatness and installation burr does not exist, and fix the mounting
flange with bolts when installing R88G-VRSF .
Tightening torque of the bolt on the mounting flange (for aluminum)
Note If the key on a Servomotor with key is uninstalled, it is possible to use the reduction gear by installing the
Servomotor without above mentioned key. Slipping does not occur.
If the system configuration requires another company's decelerator to be used in combination with a
G5-series Servomotor, select the decelerator so that the loads on the motor shaft (i.e., both the radial
and thrust loads) are within the allowable ranges. (Refer to 3-1-2 Characteristics on page 3-3 for details
on the allowable loads for the motors.)
Also, select the decelerator so that the allowable input rotation speed and allowable input torque of the
decelerator are not exceeded.
R88G-VRSF Frame B Frame C Frame D
Number of bolts 4 4 4
Size of bolts M5 M6 M8
Mounting PCD (mm) 60 90 115
Tightening torque (N·m) 5.8 9.8 19.6
Using Another Company's Decelerator (Reference)
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