Chapter 10 Specifications
10-41
10-2-4 Special axis servomotor
For the HC-SF, HC-RF, HA-FF and HC-MF Series motors, a key way shaft and a D cut shaft are
available as special shaft shapes. However, the HA-FF23 to 63 uses the key way shaft as a standard.
Note that these shapes may not apply to some motors. (Refer to the following tables.)
Shaft shape Shaft shape
Servomotor type
Key way D cut
Servomotor type
Key way D cut
HC-MF053, 13
× ○
HC-SF52 ~ 352
○ ×
HC-MF23 ~ 73
(Note 1) ○ ×
HC-SF53 ~ 353
○ ×
HA-FF053, 13
× ○
HC-RF103 ~ 203
○ ×
HA-FF23 ~ 63
(Note 2) ○ ×
(Note 1) With key.
(Note 2) With key as a standard. Refer to section "10-2-3 Outline dimensions drawings" for the shapes.
With key
Changed dimensions table
(Unit: mm)
Changed dimensions
Servomotor type
S R Q W QK QL U H Y
HC-MF23K
HC-MF43K
14h6 30 27 5 20 3 3 5
M4
× 0.7
Depth 15
HC-MF73K 19h6 40 37 6 25 5 3.5 6
M5
× 0.8
Depth 20
With key
Changed dimensions table
(Unit: mm)
Changed dimensions
Servomotor type
S R Q W QK QL U r
HC-SF52K ~ 152K
HC-SF53K ~ 153K
24h6 55 50
8
0
−
0.036
36 5
4
+0.2
0
4
HC-SF202K ~ 352K
HC-SF203K ~ 353K
35
+0.01
0
79
−
10
0
−
0.036
55 5
5
+0.2
0
5
HC-RF103K ~ 203K 24h6 45 40
8
0
−
0.036
25 5
4
+0.2
0
4
D cut
Changed dimensions table
(Unit: mm)
Changed dimensions
Servomotor type
R QK
HC-MF053D, 13D 25 20.5
HA-FF053D, 13D 30 25.5
R
W
H
QLQ
Q
U
S
R
U
QLQ
Q
S
Cross-section
-
R
Q
8h6
1