B R U S H L E S S D C M O T O R A N D G R E E N D R I V E
T M
M A N U A L
12
Nidec Motor Company
MOUNTING RECOMMENDATIONS
Dynamo Motor Size 17
Axial & Radial Loading Recommendations
Radial - 10lbs max [45N max]
Axial - 2lbs max [9N max]
The threaded mounting holes on the motor housing have a depth as shown in the figure below.
Using screws longer than specified will result in the screw bottoming-out in the motor
housing and not securing the motor properly.
The figure below illustrates the screw thread sizes, thread engagement length and torque
requirements for mounting the Dynamo Size 17 motor.
FIGURE 1 – DYNAMO SIZE 17 MOTOR
At 25°C ambient the max motor winding operating temperature rise is 65°C with motor mounted to a 4" x 4" x 0.25"
aluminum plate. See Technical Specifications, Mechanical Outline, Dynamo Size 17 Motor for additional information.
Maximum length of screw
threads into motor
housing .300” (7.62mm)
English version: (4X) #6-32 Screw
Metric version: (4X) M4x0.7 Screw
Maximum Tightening Torque:
15.4 lb-in (17.7 kg-cm) for M4x0.7 screw
9.2 lb-in (10.6 kg-cm) for #6-32 screw
Mounting Flange
or Adapter Plate