SERVO SELECTION AND DATA SHEETS
4.4.1 Servomotor Dimensional Drawings
— 4-32 —
Incremental Encoders with Reduction Gears (Model SGMM-A
j
C3J
j
2)
•
10 W, 20 W
UL20276
18 (0.91)
L
L1
L2
12
7.5
9.5
(0.37)
A
0.04
A
A
0.06
φ
0.05
4
45
°
6.2
(0.24)
3
(0.12)
3
(0.12)
Encoder Leads
35 (1.38)
300 (11.81)
±
30 (1.18)
Motor Leads, AWG24,
UL10095 or UL3266
300 (11.81)
±
30 (1.18)
M3 tap screw,
depth: 6 (0.23)
j
25 (0.98)
16 (0.63)
(0.16)
2
×
M3 tap screws, depth: 4 (0.16)
2 x
φ
3.4 (
φ
0.13) dia.
3
(0.12)
(0.30)
(0.47)
18 (0.91)
(
φ
0.0020)
(0.0016)
(0.0024)
(A)
(B)
(A):
φ
8
0
−
0.009
(
φ
0.197
−
0.0001
−
0.0005
)
(B):
φ
20
0
−
0.013
(
φ
0.79
0
−
0.83
)
Shaft end
(with key and tap)
φ
28
(
φ
1.10)
Type
SGMM
L mm (in)
L1 mm (in) L2 mm (in)
Approx.
M
( )
Motors
yp
SGMM-
( )
( )
( )
pp
Mass (g)
Output W
(HP)
Torque
N
S
m
(lb
S
m)
Time
Rating
Rated
Speed
(min
−
1
)
A1C3JA2
106.5
(4.19)
88.5 (3.48)
61 (2.4)
230
10 (0.013)
0.032
(0.007)
Continuous 3000
A1C3JB2
117 (4.61)
99 (3.9)
71.5 (2.81)
225
(0 00 )
A1C3JC2
(
)
(
)
(
)
A2C3JA2
116.5
(4.59)
98.5 (3.88)
71 (2.8)
270
20 (0.027)
0.064
(0.014)
A2C3JA2
127 (5)
109 (4.29)
81.5 (3.21)
305
(0 0 )
A2C3JC2
( )
(
)
(
)
Type
SGMM
Reduction Gears
yp
SGMM-
Gear
Ratio
Torque
N
S
m (lb
S
m)
Rated Speed
(min
−
1
)
Allowable Radial
Load N (lb)
Allowable Thrust
Load N (lb)
Lost
Motion
A1C3JA2
1/5
0.127 (0.029)
600
51.9 (11.67)
47.0 (10.57)
0.5
(d )
A1C3JB2
1/16
0.407 (0.092)
187.5
76.4 (17.19)
(
)
(deg)
A1C3JC2
1/25
0.636 (0.143)
120
89.2 (20.07)
A2C3JA2
1/5
0.255 (0.057) *
600
51.9 (11.67)
A2C3JB2
1/16
0.815 (0.183)
187.5
76.4 (17.19)
A2C3JC2
1/25
1.274 (0.287)
120
89.2 (20.07)
Note
1) The detector uses a 2048 P/R incremental encoder.
2) The instantaneous max. torque of the reduction gear with * is allowable max. torque of
the reduction gear. The value is not that as three times as the rated torque.
4
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