Installation
−16−
6.3 Installing a load
Combination type-parallel shaft gearhead, round shaft type
When installing a load on the motor or the gearhead, align the center of the motor output shaft or the gearhead
output shaft with the center of the load shaft.
Note
•
When coupling the motor or the gearhead with a load, pay attention to centering, belt tension,
parallelism of pulleys, etc. Also, rmly secure the tightening screws of the coupling or pulleys.
•
When installing a load, do not damage the motor output shaft or the gearhead output shaft or bearings.
Installing the load forcibly with a hammer or the like may break the bearings. Do not apply any excessive
force to the output shaft.
•
Do not modify or machine the output shaft of the motor or gearhead. Doing so may damage the
bearings, leading to damage to the motor or gearhead.
[Output shaft shape]
•
Combination type-parallel shaft gearhead
A key slot is provided on the output shaft of gearhead. Form a key slot on the load side, and secure the load using the
included parallel key. [Parallel key dimension: 6 mm (0.236 in.)]
•
Round shaft type
A at section is provided on the motor output shaft of each round shaft type. Apply a double-point screw, etc., at the
at section to rmly secure the load and prevent it from spinning.
[How to install a load]
•
Using a coupling
Align the centerline of the output shaft of the motor or gearhead with the centerline of the load shaft.
•
Using a belt
Adjust the output shaft of the motor or gearhead to lie parallel with the load shaft, and form right angles between the
output shaft/load shaft and the line connecting the centers of both pulleys.
•
Using a gear drive
Adjust the output shaft of the motor or gearhead to lie parallel with the gear shaft, and allow the output shaft to
mesh correctly with the centers of the gear teeth.
•
When using the output shaft end tapped hole of a gearhead
Use a screw hole [M6; Eective depth 12 mm (0.47 in)] provided at the
end of the output shaft as an auxiliary means for preventing the transfer
mechanism from disengaging.
Fixed screw
Screw
Spacer
Combination type-hollow shaft at gearhead
If a large impact occurs at instantaneous stop or a large radial load is applied, use a stepped load shaft.
Note
Apply grease (molybdenum disulde grease, etc.) on the surface of the load shaft and inner walls of the
hollow output shaft to prevent seizure.
Recommended load shaft installation dimensions
[Unit: mm (in.)]
Model
Inner diameter of
hollow shaft (H8)
Recommended
diameter of load
shaft (h7)
Nominal
diameter of
retaining ring
Applicable
screw
Spacer
thickness
Outer diameter of
stepped shaft (ØD)
BLV510
Ø20
(Ø0.7874
)
Ø20
(Ø0.7874
)
Ø20 (Ø0.79) M6 5 (0.20) 30 (1.18)
BLV620
BLV640
Ø25
(Ø0.9843
)
Ø25
(Ø0.9843
)
Ø25 (Ø0.98) M8
6 (0.24)
[3 (0.12)]
*
40 (1.57)
∗*
The value in brackets [ ] is that when the rear side is used as the mounting surface.
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