Product Description:

The LSM165-173-304-M-2KA is a brushless servo motor produced by Kollmorgen within the LSM Brushless Servo Motors series. This unit functions as the prime mover in servo axes where precise torque linearity and fast acceleration are required. When paired with field-oriented control, the permanent-magnet motor converts drive current into motion for pick-and-place machines, packaging lines, and coordinated gantry systems used throughout industrial automation. Its brushless design reduces mechanical wear by eliminating the brushes and commutator found in conventional direct-current motors.

During continuous operation, the motor supplies a shaft output of 19.5 Nm at a base velocity of 3000 rpm. An 8-pole rotor and a multi-turn absolute feedback device support tight commutation while retaining position data through power cycles. The voltage constant of 156 V/kRPM indicates the back electromotive force that the drive must overcome, while the rotor inertia of 0.00163 kg-m² helps limit acceleration overshoot when the motor is paired with lightweight loads. A torque constant of 1.29 Nm/A relates drive current to torque, with a peak current of 16.5 A required to reach stall torque. The winding resistance is 0.98 Ω, which affects current ripple, heat generation, and servo-loop bandwidth during operation.

Transient events are handled by a peak torque reserve of 75 Nm, which can be produced when the drive supplies up to 72.1 A peak. The stator’s electrical network has an inductance of 9.6 mH, which shapes the current rise and improves servo stability during rapid reversals. A spring-applied, electrically released brake adds 78 mm to the housing and operates at 24 VDC to hold the shaft when electrical power is removed. The bearings accommodate a radial load of 63 kg at rated speed, supporting belt or pulley tension without excessive deflection. The motor has a shipping mass of 21.0 kg, which must be considered for gantry axes where moving weight contributes to overall system inertia.