GSX Series Linear Actuators

GSM Series Linear Actuators
GSM20 Mechanical and Electrical Specifications
Nominal Backlash in (mm) 0.008 (.20)
Lead Accuracy in/ft (mm/300 mm) 0.001 (.025)
Maximum Radial Load lb (N) 15 (67)
Environmental Rating: Standard/Optional IP54/IP65
Motor Stator 118 138 158 168 218 238 258 268
RMS SinuSoidal CoMMutation
Continuous Motor Torque
Torque Constant (Kt)
(+/– 10% @ 25˚C)
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lbf-in
(Nm)
lbf-in/A
(Nm/A)
7.6
(0.86)
2.5
(0.28)
7.3
(0.83)
5.2
(0.59)
Continuous Current Rating Amps 3.4 1.6 0.9 0.8 5.4 2.5 1.4 1.2
Peak Current Rating Amps 6.9 3.1 1.9 1.6 10.8 4.9 2.8 2.5
tRapezoidal CoMMutation
Continuous Motor Torque
Torque Constant (Kt)
(+/– 10% @ 25˚C)
lbf-in
(Nm)
lbf-in/A
(Nm/A)
7.3
(0.82)
1.9
(0.22)
7.0
(0.79)
4.1
(0.46)
Continuous Current Rating Amps 4.2 1.9 1.1 1.0 6.6 3.0 1.7 1.5
Peak Current Rating Amps 8.4 3.9 2.3 2.0 13.2 6.0 3.5 3.0
MotoR StatoR data
Voltage Constant (Ke) Vrms/Krpm 16.9 35.6 56.9 64.9 16.9 35.6 60.5 69.4
(+/– 10% @ 25˚C) Vpk/Krpm 23.9 50.3 80.5 91.8 23.9 50.3 85.5 98.1
Pole Configuration 8 8 8 8 8 8 8 8
Resistance (L-L)(+/– 5% @ 25˚C) Ohms 2.6 12.5 35.2 45.8 1.1 5.3 16.0 20.7
Inductance (L-L)(+/– 15%) mH 5.1 22.8 58.3 75.8 2.5 11.0 31.7 41.7
7.0
(0.79)
8.3
(0.94)
6.7
(0.76)
6.5
(0.73)
7.0
(0.79)
9.5
(1.07)
6.7
(0.76)
7.4
(0.84)
Brake Inertia lbf-in-sec 2 (Kg-cm 2 ) 0.00012 (0.135)
Brake Current @ 24 VDC A 0.33
Brake Holding Torque lbf-in (Nm) 19 (2.2)
Brake Engage/Disengage Time ms 14/28
Mechanical Time Constant (tm), ms min 6.0 6.5 7.1 7.1 2.5 2.7 2.9 2.8
11.9
(1.35)
2.5
(0.28)
11.4
(1.29)
1.9
(0.22)
11.5
(1.30)
5.2
(0.59)
11.0
(1.24)
4.1
(0.46)
11.2
(1.27)
8.9
(1.00)
10.7
(1.21)
6.9
(0.78)
max 8.5 9.2 10.1 10.1 3.6 3.9 4.0 4.0
Electrical Time Constant (te) ms 2.0 1.8 1.7 1.7 2.2 2.1 2.0 2.0
Damping Constant lbf-in/krpm (N-m/krpm) 0.55 (0.06)
Friction Torque lbf-in (Nm) 1.00 (0.11)
Additional Friction Torque for Preloaded Screw lbf-in (Nm) 1.25 (0.14)
Bus Voltage Vrms 115 230 400 460 115 230 400 460
Speed @ Bus Voltage rpm 5000
Insulation Class 180 (H)
All ratings at 25 degrees Celsius Specifications subject to change without notice.
For amplifiers using peak sinusoidal ratings, multiply RMS sinusoidal Kt by .707 and current by 1.414.
Test data derived using NEMA recommended aluminum heatsink 10" x 10" x 1/4"
11.3
(1.28)
10.2
(1.15)
10.8
(1.22)
7.9
(0.89)