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Rexroth, Indramat, Bosch's MAC Permanent Magnet Motors are designed for high-precision servo applications in industries such as woodworking and metalworking, as well as production machines in the automotive industry. These motors are typically used for torque direction and control circuit conditioning. The motor's rotor position controls the current flow to the three stator windings, aligning the stator current with the rotor's magnetic flux. A current controller linked to a directional current controller regulates the motor current, allowing for precise control over all three stator windings.
Technical Specifications
Holding Brake:
Absent
Standstill Continuous Torque:
2.2 Nm (3.3 Nm with surface cooling)
Standstill Current:
2.6 A (4.1 A with surface cooling)
Rotor Moment of Inertia:
5.4 x 10?? kgm²
Torque Constant (20°C):
0.860 Nm/A
Windings Resistance (20°C)
7.6 Ohm
Windings Inductance:
42 mH
Maximum Peak Pulse Current
13 A
Thermal Time Constant:
45 min (20 min with surface cooling)