E32NCHT-LNF-NS-00 Kollmorgen
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The Kollmorgen E32NCHT-LNF-NS-00 is a stepper motor from the E Hybrid Stepper Motors series with a frame size of NEMA 34 and NEMA mounting style. It provides a holding torque of 659 oz-in, a rated current per phase of 5.2 Amps, and operates with a phase inductance of 5.0 mH. The system uses a SIGMAX construction, supports 200 steps per revolution at a step angle of 1.8 degrees, and has a weight of 5.3 pounds with a smooth shaft.
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Product Description:
The E32NCHT-LNF-NS-00 hybrid stepper motor is built by Kollmorgen as part of the E Hybrid Stepper Motors series. It operates as a direct-drive positioning element that indexes shafts or linear stages in packaging, labeling, and metering stations where accurate incremental motion is required. The motor’s SIGMAX construction concentrates magnetic flux in the rotor, so each command pulse produces consistent rotation without requiring feedback devices.
A NEMA 34 frame provides a standardized 3.4-inch square flange for direct mounting. Static holding capacity reaches 659 oz-in, allowing the shaft to resist process loads when the motor is energized. Drive electronics must supply 5.2 A per phase through the four-lead parallel winding, with power delivered through a System MS connector. The low phase resistance of 0.44 Ω reduces I²R heating, while a phase inductance of 5.0 mH filters current ripple and helps the motor maintain torque at low stepping rates. The Class B insulation is rated for temperatures up to 130 °C, withstands 340 VDC, and has an insulation resistance of 100 MΩ, allowing the coils to tolerate the high voltage slew rates produced by modern microstep drives. Two rotor-stator stacks and a rotor inertia of 0.0170 oz-in-s² balance torque density with responsive starts and stops.
A 1.8-degree step angle produces 200 full steps per revolution, and a step accuracy of ±1.5% helps commanded positions remain within tight limits. The smooth shaft accepts couplings without keyways. Radial loading should not exceed 35 lb, while axial loading is limited to 180 lb. Continuous operation is permitted from -20 °C to +40 °C, provided the motor case temperature rise remains within the thermal resistance of 2.7 °C/W to ambient air. The motor has a mass of 5.3 lb, which limits the additional load placed on a gantry or positioning stage. Its MAX-torque-at-low-speed winding profile supports applications that require strong holding and low-speed positioning performance.
