Chapter 5 Installation
21
For tapered shafts
The following is an example of fixing the input spline to the motor shaft using a washer and a hexagon nut.
Perform steps 1 to 3 by taking care regarding the following precautions.
• Avoid impact to the motor shaft when attaching the input spline.
• The outer diameters of the hexagon nut and washer should be smaller than the root circle diameter of
the input spline.
Avoid impact to the motor shaft when attaching the input spline, as it could damage the motor.
If the outer diameters of the hexagon nut and washer are larger than the root circle diameter of the
input spline, the hexagon nut and washer will interfere with the input shaft. This may prevent the
spline from being installed or it may damage the input shaft.
Step 1
• Attach the Woodruff key (4) to the motor shaft.
Step 2
• Attach the input spline (1) to the motor shaft.
• Check that there is no foreign matter adhering to the mounting surface.
If there is foreign matter adhering to the mounting surface, appropriate installation accuracy cannot
be obtained. It could cause deterioration of performance, such as abnormal noise and vibration, and
also lead to damage of the motor.
Step 3
• Place the washer (2) into the motor shaft, and then tighten the hexagon nut (3).
• Using a thread-locking sealant for the screws, lock the hexagon nut (3).
• For the shape shown in Fig. 5-8, use the washer (2) and hexagon nut (3) with outer diameters of øA
or smaller. (For øA, refer to the separately provided “Outer dimensions” drawings and
specification sheet.)
Note
Note
Fig. 5-7
Fig. 5-8
Washer (2)
Hexagon nut (3)
Woodruff key (4)
Input spline (1)
Motor
Hexagon nut (3)
Washer (2)
Woodruff key (4)
Input spline (1)
Motor
