D141M-12-9327-001 Kollmorgen
Wake Industrial LLC is not an authorized distributor of this product.
The Kollmorgen D141M-12-9327-001 is part of the DDR Direct Drive Motors series and features a flange mount with a straight connector type. It offers a continuous torque of 108 N-m at 40°C, peak torque of 367 N-m, and operates at a maximum speed of 200 rpm. The motor has a resolver "A" winding type feedback device with an encoder resolution of 134,217,728 counts per revolution and supports winding voltages of 115 or 230 VAC.
Internal Product Review
The D141M-12-9327-001 is a Kollmorgen DDR direct drive motor with flange mounting and a short rotor stack for efficient machine integration. Continuous torque of 108 N-m at 40 C and peak torque of 367 N-m give the motor strong low-speed authority in precision rotary axes. Resolver feedback and repeatability below 1 arc-sec make this model especially attractive for accurate indexing applications.
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Product Description:
The D141M-12-9327-001 is a direct-drive rotary motor manufactured by Kollmorgen for the DDR Direct Drive Motors series. By coupling its rotor directly to the load shaft, the unit eliminates gearboxes and belts, making it suitable for high-precision indexing tables, semiconductor handlers, and similar automation axes where backlash cannot be tolerated. Its resolver feedback, designated as an “A” winding type, supplies coarse absolute position data to the drive. A straight power-and-signal connector simplifies cable routing inside compact enclosures and directs the harness away from the stator housing.
The motor delivers a continuous torque of 108 N·m at 40 °C, allowing steady rotation under constant load, and it can withstand transient demands up to 367 N·m during acceleration or disturbance rejection. A maximum operating speed of 200 rpm sets the ceiling for peripheral velocity, balancing torque capability with the thermal limits imposed by the short rotor stack. The dual-rated winding accepts either single-phase or split-phase supplies at 115/230 VAC, providing flexibility in machine panels that use either voltage level. Dynamic behavior is influenced by the rotor inertia of 0.163 kg·m²; this moderate value supports quick starts while still smoothing minor load fluctuations. A frame outside diameter of 14.25 inches spreads magnetic flux over a broad area, increasing torque density without extending the motor’s overall length.
Fine motion is resolved by an internal encoder that provides 134,217,728 counts per revolution, enabling extremely small linear movements when the motor drives precision screws or stages. Mechanical repeatability is less than 1 arc-second, so bidirectional moves return to the same position without electronic compensation. The factory-supplied flange-mount pattern mates with common ISO face adapters, while the short rotor stack minimizes overhung mass on the flange. Direct coupling also removes transmission components that could introduce lost motion, elasticity, or maintenance requirements. The broad frame and compact stack support high torque production while preserving the rigid mechanical connection needed for tightly controlled rotary positioning.
