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-jjS3Jjj)
• 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)
2xφ3.4 (φ0.13) dia.
Motor Leads, AWG24,
UL10095 or UL3266
3
(0.12)
(0.12)
(0.30)
(0.47)
(0.16)
(A): φ8
0
−0.009
(φ0.197
−0.0001
−0.0005
)
(B): φ20
0
−0.013
(φ0.79
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)
A1S3JAj
106.5 (4.19) 88.5 (3.48) 61 (2.4) 230
A1S3JBj
117 (4.61) 99 (3.9) 71.5 (2.81) 265
A1S3JCj
A2S3JAj
116.5 (4.59) 98.5 (3.88) 71 (2.8) 270
A2S3JBj
127 (5) 109 (4.29) 81.5 (3.21) 305
A2S3JCj
Model SGMM-
Reduction Gears
Gear Ratio Allow-able Radial
Load N (lb)
Allow-able Thrust
Load N (lb)
Lost Motion
A1S3JAj
1/5 51.9 (11.67)
47.0 (10.57) 0.5 (deg)
A1S3JBj
1/16 76.4 (17.19)
A1S3JCj
1/25 89.2 (20.07)
A2S3JAj
1/5 51.9 (11.67)
A2S3JBj
1/16 76.4 (17.19)
A2S3JCj
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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