SERVO SELECTION AND DATA SHEETS
4.4.2 Servomotor Dimensional Drawings: European Safety Standards
— 4-40 —
Incremental Encoders without Brakes but with Reduction Gears
(Model SGMM-
jj
S3J
jj
)
•
10 W, 20 W
φ
0.05
L1
L2
18 (0.91)
3
L
7.5
12
A
A
A
0.04
4
45
°
10 (0.39)
6.2 (0.24)
0.06
Encoder Leads, UL20276
35 (1.38)
300 (11.81)
±
30 (1.18)
Encoder connector
Shaft end
(with key and tap
j
= 6)
a
M3 tap screw,
depth: 6 (0.23)
3
(0.12)
3 (0.12)
(
φ
0.0020)
(0.0016)
(0.0024)
Motor connector
j
25 (0.98)
16 (0.63)
(A)
(B)
2
×
M3 tap screws, depth: 4 (0.16)
2 x
φ
3.4 (
φ
0.13) dia.
Motor Leads, AWG24,
UL10095 or UL3266
3
(0.12)
(0.12)
(0.30)
(0.47)
(0.16)
(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
)
300 (11.81)
±
30 (1.18)
φ
28 (
φ
1.10)
Model SGMM-
L mm (in)
L1 mm (in)
L2 mm (in)
Approx. Mass (g)
A1S3JA
j
106.5 (4.19)
88.5 (3.48)
61 (2.4)
230
A1S3JB
j
117 (4.61)
99 (3.9)
71.5 (2.81)
265
A1S3JC
j
(
)
(
)
(
)
A2S3JA
j
116.5 (4.59)
98.5 (3.88)
71 (2.8)
270
A2S3JB
j
127 (5)
109 (4.29)
81.5 (3.21)
305
A2S3JC
j
( )
(
)
(
)
Model SGMM-
Reduction Gears
Gear Ratio
Allow-able Radial
Load N (lb)
Allow-able Thrust
Load N (lb)
Lost Motion
A1S3JA
j
1/5
51.9 (11.67)
47.0 (10.57)
0.5 (deg)
A1S3JB
j
1/16
76.4 (17.19)
(
)
( g)
A1S3JC
j
1/25
89.2 (20.07)
A2S3JA
j
1/5
51.9 (11.67)
A2S3JB
j
1/16
76.4 (17.19)
A2S3JC
j
1/25
89.2 (20.07)
Note
1) The detector uses a 2048 P/R incremental encoder.
2) The keyway complies with JIS B 1301-1976 (precision). A straight key is supplied (types
with key only).
3) The allowable load is applied to the shaft end.
4
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