Click image to view original
Bental Industries offers its customers high performance DC brushless servo actuation systems. The gear motors are based on high energy Samarium Cobalt magnet technology. The gear motors consist of a DC brushless motor, integrated gear (ratio 1:30/1:50), fail-safe brake and brushless tacho-generator. These heavy-duty systems meets the harsh condition requirements for aviation and aerospace applications and is built to MIL standards.
Applications
bul1_1 Actuation of flight control units
bul1_1 Simulations and targeting devices
bul1_1 Precision servo system
Features
bul1_1 Operating temperature: -40° ÷ 70°C
bul1_1 Storage temperature: -40° ÷ 85°C
bul1_1 Max.winding temperature: 180°C
bul1_1 Insulation class: H
Performance
Specifications Unit Motor + Gear 1 :50 Motor + Gear 1 :30
(1) Rated Speed rpm See Graphs See Graphs
Rated Torque (1) Nm See Graphs See Graphs
Peak Torque Nm 50 50
Paek Current A 4.5 7.5
Supply Voltage Vdc 240 240
Toque Sensitivity (Kt) (1) Nm/A 0.25 0.25
Terminal Resistance (1) Ω 3.5 3.5
Inductance mH 3 3
Torsional Stiffness @ 12.5 Nm Nm/min 0.9 0.9
Backlash Arc/min 10 10
Rotor's Inertia Kgm² 1.25 · 10-4 1.25 · 10-4
Actuator Weight Kg 3 3
Tacho-generator - Built in
Voltage Sensitivity (1) V/rad/sec 0.035 0.035
Voltage Ripple (Peak ÷ average) % 18.5 18.5
phase Terminal Resistance (1) Ω 7 7
Braek - Built in 25 25
Torque Nm 0.6 0.6
Operating Voltage Vdc 15 ÷ 28 15 ÷ 28
Terminal Resistance (1) Ω 94 94
Notes
(1) @ 25ºC ambient