YASKAWA SGMMV, Product Manual, Page: 76 / 206

This chapter describes how to interpret the model numbers
of SGM7A Servomotors and gives their specifications, rat-
ings, and external dimensions.
5.1 Model Designations . . . . . . . . . . . . . . . . . . 5-3
5.1.1 Without Gears . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
5.1.2 With Gears . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
5.2 Specifications and Ratings . . . . . . . . . . . . . 5-4
5.2.1 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
5.2.2 Ratings of Servomotors without Gears for
the SGM7A-A5 to -10 . . . . . . . . . . . . . . . . . . . . . 5-5
5.2.3 Torque-Motor Speed Characteristics of
the SGM7A-A5 to -10 . . . . . . . . . . . . . . . . . . . . . 5-6
5.2.4 Ratings of Servomotors without Gears for
the SGM7A-15 to -70 . . . . . . . . . . . . . . . . . . . . . 5-7
5.2.5 Torque-Motor Speed Characteristics of
the SGM7A-15 to -70 . . . . . . . . . . . . . . . . . . . . . 5-8
5.2.6 Ratings of Servomotors with Gears . . . . . . . . . . . 5-9
5.2.7 Servomotor Overload Protection
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
5.2.8 Load Moment of Inertia . . . . . . . . . . . . . . . . . . . 5-12
5.2.9 Allowable Load Moment of Inertia Scaling
Factor for SERVOPACKs without Built-in
Regenerative Resistors . . . . . . . . . . . . . . . . . . . 5-13
5.2.10 Servomotor Heat Dissipation Conditions . . . . . 5-14
5.2.11 Applications Where the Surrounding Air
Temperature of the Servomotor Exceeds
40
°
C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15
5.2.12 Applications Where the Altitude of
the Servomotor Exceeds 1,000 m . . . . . . . . . . . 5-16
Specifications,
Ratings, and External
Dimensions of
SGM7A Servomotors
5