4.4Servo Drive Dimensional Drawings
— 4-33 —
Incremental Encoders (Model SGMM-AjC3Jj6)
• 10 W, 20 W
UL20276
L
L1
L2
12
(0.47)
7.5
(0.30)
9.5
(0.37)
A
0.04
A
A
0.06
0.05
φ 28
(φ 1.10)
45°
j 25 (0.98)
4
16 (0.63)
6.2 (0.24)
Encoder Leads
AWG24,UL10095 or UL3266
Motor Leads
35 (1.38)
300 (11.81) ±30 (1.18)
300 (11.81)
±30 (1.18)
3 (0.12)
3 (0.12)
M3 tap screw,
depth: 4 (0.16)
18 (0.71)
(φ 0.0020)
(0.0016)
(0.0024)
3
(0.12)
2 × M3 tap screws, depth: 4 (0.16)
2xφ3.4 (φ0.13) dia.
(A)
(B)
(A): φ8
0
−0.009
(φ0.197
−0.0001
−0.0005
)
(B): φ20
0
−0.013
(φ0.79
0
−0.83
)
Shaft end
(with flat seat)
(0.16)
Type
L mm (in) L1 mm (in) L2 mm (in) Approx.
Motors
SGMM-
Mass
(g)
Output W
(HP)
Torque
NSm
(lbSm)
Time
Rating
Rated
Speed
(min
−1
)
A1C3JA6 106.5
(4.19)
88.5 (3.48) 61 (2.4) 315
10 (0.013) 0.032
(0.007)
Continuous 3000
A1C3JB6
117 (4.61) 99 (3.9) 71.5 (2.81) 350
A1C3JC6
A2C3JA6 116.5
(4.59)
98.5 (3.88) 71 (2.8) 370
20 (0.027) 0.064
(0.014)
A2C3JB6
127 (5) 109 (4.29) 81.5 (3.21) 405
A2C3JC6
Type
Reduction Gears
SGMM-
Gear Ratio Torque
NSm (lbSm)
Rated Speed
(min
−1
)
Allowable Radial
Load N (lb)
Allowable Thrust
Load N (lb)
Lost
Motion
A1C3JA6 1/5 0.127 (0.029) 600 51.9 (11.67)
47.0 (10.57) 0.5
A1C3JB6 1/16 0.407 (0.092) 187.5 76.4 (17.19)
(deg)
A1C3JC6 1/25 0.636 (0.143) 120 89.2 (20.07)
A2C3JA6 1/5 0.255 (0.057) * 600 51.9 (11.67)
A2C3JB6 1/16 0.815 (0.183) 187.5 76.4 (17.19)
A2C3JC6 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.
3) The keyway complies with JIS B 1301−1976 (precision). A straight key is supplied (type
with key only).
4
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