Servo Motors With Special Shafts (Hg-Rr); Oil Seal - Mitsubishi Electric HG-MR Instruction Manual

9. HG-RR SERIES
9.5 Servo motors with special shafts
The servo motors with special shafts indicated by the symbol (K) in the table are available. K is the symbol
attached to the servo motor model names.
Servo motor
HG-RR103(B)K
HG-RR153(B)K
HG-RR203(B)K
HG-RR353(B)K
HG-RR503(B)K

9.6 Oil seal

The oil seal prevents the entry of oil into the servo motor.
Install the servo motor horizontally, and set the oil level in the gear box to be lower than the oil seal lip
always.
Servo motor
HG-RR_(B)K
S R Q
24h6 45 40
28h6 63 58
R
Q
QK QL
A
A
r
Height above oil level h
Servo motor
HG-RR103(B)
HG-RR153(B)
HG-RR203(B)
HG-RR353(B)
HG-RR503(B)
9 - 6
Shaft shape
Key shaft (without key)
K
Variable dimensions
W QK QL
0
8
25 5
-0.036
0
8
53 3
-0.036
M8 Depth 20
U
Shaft section view A-A
Shaft
Gear
Servo motor
Lip
Oil seal
Oil level h
[mm]
20
U r
+0.2
4
4
0
+0.2
4
4
0