FSM460 Kollmorgen
Wake Industrial LLC is not an authorized distributor of this product.
MPN: M.1015.7862
The Kollmorgen FSM460 belongs to the FSM Brushless Servo Motors series and has a body diameter of 165 mm with an overall length of 272 mm. This motor provides a continuous torque of 6.9 Nm, a peak torque of 15.3 Nm, and weighs 14.1 kg. Additional features include an encoder resolution of 2000 quadrature pulses and a shaft diameter of 22 mm.
Internal Product Review
The FSM460 is a Kollmorgen brushless servo motor with 6.9 Nm continuous torque and 15.3 Nm peak torque. A 2000-quadrature-pulse encoder supports accurate feedback, while 3.3 mH phase inductance helps promote smooth electrical response. A strong technical fit for servo axes that demand precise and confident motion performance.
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Product Description:
The FSM460 brushless servo motor is produced by Kollmorgen within the FSM Brushless Servo Motors series. It is designed for closed-loop motion tasks in industrial machinery. The unit converts drive current into precise rotary torque for gantry axes, feeders, and compact transfer stations.
At its continuous operating point, the motor delivers 6.9 Nm of shaft torque. For short bursts such as acceleration, the ceiling rises to 15.3 Nm, allowing the axis to overcome inertia without oversizing the frame. The motor has a torque constant of 0.54 Nm/A, so every ampere commanded by the drive produces just over half a newton-meter of torque. Back electromotive force scales with speed at 66 V/kRPM; this value helps with selecting a suitable DC-bus voltage for controlled operation. Dynamic current changes are shaped by a phase inductance of 3.3 mH, which moderates the rate of current change and reduces torque ripple. The motor has a 22 mm output shaft with a 4.8 mm square keyway. Its 165 mm housing uses a 114.3 mm bolt circle, and its overall length is 272 mm.
During feedback-controlled operation, the digital encoder supplies 2000 quadrature pulses per revolution, giving the controller sub-arcminute position resolution when interpolated. Electrical losses are influenced by a phase resistance of 0.89 Ω measured at 25 °C; this value and the phase inductance allow the drive to estimate copper heating. The rotor has an inertia of 0.00215 kg-m², supporting fast reversals without excessive overshoot. The assembly weighs 14.1 kg, which should be considered when selecting linear guides, mounting structures, or couplings. The motor can withstand shocks of up to 10.0 g and vibrations of up to 2.5 g. These limits help the magnets and bearings remain aligned during transport and exposure to machine-frame disturbances.
