
3 Specifications and Dimensional Drawings
3-6
3.2 Ratings and Specifications of SGLFW/SGLFM
(1) Ratings and Specifications
Note: 1. The items marked with an * and “Force and Speed Characteristics” are the values at a motor winding tem-
perature of 100 °C (212°F) during operation in combination with a SERVOPACK. The others are at 20 °C
(68°F).
2. The above specifications show the values under the cooling condition when a heat sink (aluminium board)
listed in the following table is mounted on the coil assembly.
3. The values of peak speed in the table indicate the maximum speed that can be controlled from
SERVOPACK. Refer to Force and Speed Characteristics for the actual motor peak speed.
• Time Rating: Continuous
• Insulation Resistance: 500 VDC, 10 MΩ min.
• Ambient Temperature: 0 to 40 °C (32 to 104°F)
• Excitation: Permanent magnet
• Dielectric Strength: 1500 VAC for 1 minute
• Protection Methods: Self-cooled
• Ambient Humidity: 20 to 80 % (no condensation)
• Allowable Winding Temperature: 130 °C (266°F)
(Insulation class B)
Ratings and Specifications of SGLFW Linear Servomotors with F-type Iron Core
Voltage 200V 400V
Linear Servomotor
Model SGLFW-
20A 35A 50A 1ZA 35D 50D 1ZD
090A 120A 120A 230A 200B 380B 200B 380B 120A 230A 200B 380B 200B 380B
Rated Speed m / s
5 3.5 2.5 3 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
Peak Speed m / s
55555555555555
Rated Force
∗
N
25 40 80 160 280 560 560 1120 80 160 280 560 560 1120
Rated Current
∗
Arms
0.7 0.8 1.4 2.8 5.0 10.0 8.7 17.5 0.7 1.4 2.3 4.5 4.9 9.8
Instantaneous Peak
Force
∗
N
86 125 220 440 600 1200 1200 2400 220 440 600 1200 1200 2400
Instantaneous Peak
Current
∗
Arms
3.0 2.9 4.4 8.8 12.4 25.0 21.6 43.6 2.3 4.6 5.6 11.0 12.3 24.6
Coil Assembly Mass kg
0.7 0.9 1.3 2.3 3.5 6.9 6.4 11.5 1.3 2.3 3.5 6.9 6.4 11.5
Force Constant N / Arms
36.0 54.0 62.4 62.4 60.2 60.2 69.0 69.0 120.2 120.2 134.7 134.7 122.6 122.6
BEMF Constant V /(m / s)
12.0 18.0 20.8 20.8 20.1 20.1 23.0 23.0 40.1 40.1 44.9 44.9 40.9 40.9
Motor Constant
7.9 9.8 14.4 20.4 34.3 48.5 52.4 74.0 13.8 19.5 33.4 47.2 51.0 72.1
Electrical Time
Constant
ms
3.2 3.3 3.6 3.6 15.9 15.8 18.3 18.3 3.5 3.5 15.0 15.0 17.4 17.2
Mechanical Time
Constant
ms
11.0 9.3 6.2 5.5 3.0 2.9 2.3 2.1 5.5 5.5 3.2 3.2 2.5 2.2
Thermal Resistance
With Heat Sink
K / W
4.35 3.19 1.57 0.96 0.56 0.38 0.47 0.2 1.57 0.96 0.56 0.38 0.47 0.2
Thermal Resistance
Without Heat Sink
K / W
7.69 5.02 4.10 1.94 1.65 0.95 1.3 0.73 4.1 1.94 1.65 0.95 1.3 0.73
Magnetic Attraction N
314 462 809 1586 1650 3260 3300 6520 810 1590 1650 3260 3300 6520
Linear Servomotor
Model SGLFW-
Heat Sink Size
in mm (in)
20A090A
20A120A
125 × 125 × 13
(4.92 × 4.92 × 0.51)
35120A
35230A
254 × 254 × 25
(10.0 × 10.0 × 0.98)
50200B
50380B
1Z200B
400 × 500 × 40
(15.75 × 19.69 × 1.57)
1Z380B
609 × 762 × 50
(23.98 × 30.00 × 1.97)
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