Servo Motors With Special Shafts; Servo Motor With Oil Seal - Mitsubishi Electric Melservo HF-KN Series Instruction Manual

7. HF-SN SERIES

7.5 Servo motors with special shafts

The servo motors with special shafts indicated by the symbol (K) in the table is available. K is the symbol
attached to the servo motor model names.
Key shaft (without key)

7.6 Servo motor with 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
HF-SN_(B)JK
R
Q
U
QK QL
A
A
r Y
Shaft section view A-A
Height above oil level h
Servo motor
HF-SN52(B)J/HF-SN102(B)J/
HF-SN152(B)J
HF-SN202(B)J/HF-SN302(B)J
Shaft shape
Key shaft (without key)
K
Variable dimension table
Servo motor
S
HF-SN52(B)JK
24h6 55 50 8
HF-SN102(B)JK
HF-SN152(B)JK
HF-SN202(B)JK
+0.010
35 79 75
0
HF-SN302(B)JK
Shaft
Gear
Servo motor
Lip
Oil seal
Oil level height h
[mm]
23
31
7 - 5
Variable dimensions
R Q W QK QL U
0 +0.2
5 4
36
-0.036 0
+0.2
0 5 5
10
55
-0.036 0
[Unit: mm]
r Y
M8
Screw
4 hole
depth
20
M8
Screw
5 hole
depth
20