NSM2304 Kollmorgen
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MPN: M.1015.6949
The Kollmorgen NSM2304 is a servo motor from the NSM Brushless Servo Motors series. It delivers a continuous torque of 0.5 Nm and a peak torque of 1.4 Nm, with a torque constant of 0.18 Nm per ampere. The motor weighs 1.5 kg and has a winding inductance of 8.1 mH.
Internal Product Review
The NSM2304 is a Kollmorgen brushless servo motor that delivers impressive motion performance with 0.5 Nm continuous torque and 1.4 Nm peak torque. Low rotor inertia of 0.000018 kg·m² supports crisp acceleration, while the 0.18 Nm/A torque constant reflects efficient electromagnetic design. An excellent fit for precision servo applications where responsive torque delivery is a priority.
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Product Description:
The NSM2304 is a brushless servo motor manufactured by Kollmorgen within the NSM Brushless Servo Motors series. Designed for compact pick-and-place heads, small gantries, and laboratory automation axes, the motor delivers rapid acceleration and repeatable angular positioning when connected directly to a matched digital drive. Its frameless construction minimizes reflected inertia, allowing control algorithms to respond quickly to command changes while maintaining tight velocity and position loops in continuous-duty environments.
The motor produces a continuous shaft torque of 0.5 Nm, supporting stable motion at the rated operating temperature. For quick indexing moves, it can reach a peak torque of 1.4 Nm without demagnetization, allowing short bursts that overcome static friction or accelerate light loads. The electromagnetic design provides a torque constant of 0.18 Nm/A, so each ampere commanded by the drive produces a predictable increase in output torque. Back electromotive force is characterized by a voltage constant of 22 V/kRPM, which helps determine the relationship between motor speed and generated voltage. The rotor inertia is 0.000018 kg·m², reducing the energy required for rapid speed reversals and supporting responsive motion during short operating cycles.
The bearing system supports a radial load of 8 kg at 1000 rpm, enabling direct pulley or gear attachment without auxiliary support hardware. The motor has a total mass of 1.5 kg, so it adds little payload to linear stages and requires less counterbalance force than a heavier unit. From the drive’s perspective, the phase windings have an inductance of 8.1 mH, which filters current ripple and affects the bandwidth of the current loop. The winding resistance is 4.9 Ω, contributing to resistive power losses that must be considered when managing motor temperature. These electrical values also affect drive selection, current regulation, and expected heat generation during repeated acceleration and deceleration. The compact mass and low rotor inertia make the motor suitable for tightly spaced multi-axis assemblies where rapid response and controlled positioning are required.
