E42HCHB-LNK-NS-00 Kollmorgen
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The Kollmorgen E42HCHB-LNK-NS-00 is a stepper motor in the E Hybrid Stepper Motors series. It features a NEMA 42 frame size, a holding torque of 2600 oz-in, and a smooth shaft design. The motor is rated for 9.8 A per phase, supports a maximum axial load of 400 pounds, and operates within a temperature range of -20 to +40 degrees Celsius.
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Product Description:
The E42HCHB-LNK-NS-00 is a hybrid stepper motor produced by Kollmorgen for the E Hybrid Stepper Motors series. This NEMA 42 frame unit combines conventional stepper magnetics with SIGMAX construction to increase torque density and stiffness. In industrial automation, it indexes loads in fixed increments, allowing controllers to position tooling, gantry axes, or conveyors without closed-loop feedback. A smooth shaft eases coupling to gearboxes or lead screws, and the heavy-duty NEMA mounting face supports direct installation on machines that require high static holding force.
The motor provides a holding torque of 2600 oz-in, which helps keep medium linear stages stationary while the windings remain energized. Each phase has a rated current of 9.8 A at standstill. This current works with a winding resistance of 0.27 ohms and a phase inductance of 5.4 mH, which affect voltage requirements and current rise time for microstepping drives. The rotor advances in 1.8-degree increments, yielding 200 full steps per revolution, while step accuracy remains within ±1.5% for repeatable open-loop positioning. Class B insulation is rated for 130 °C, and the motor has a dielectric withstand rating of 340 VDC. Its insulation resistance is 100 MΩ, helping protect the windings from thermal and transient electrical stress during continuous service.
The motor has an axial thrust limit of 400 lb and a permissible radial side-load limit of 140 lb on the output journal. A rotor inertia of 0.16 oz-in-s² supports responsive acceleration, while a thermal resistance of 1.3 °C/W indicates how efficiently heat leaves the frame during sustained operation. The motor operates within an ambient temperature range of -20 °C to +40 °C, which covers common factory conditions. Its mass of 18.2 lb is suitable for many gantry and indexing systems with compatible payload capacities. The motor uses two magnetic stacks, four parallel leads, and a system MS connector for straightforward wiring.
