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Stepper motor Joy-IT NEMA17-02 — 200 steps, 2.8 V, 1.68 A, 43.1 N·m, 42.3×42.3×47 mm
Joy-IT NEMA17-02 is a NEMA17 stepper motor with 200 steps per revolution designed for precise, repeatable position control. The motor has a rated DC voltage of 2.8 V and a rated current of 1.68 A, delivering a maximum holding torque of 43.1 N·m while maintaining compact dimensions of 42.3 × 42.3 × 47 mm. The motor's form factor and electrical ratings make it suitable for applications where accurate incremental motion and reliable torque are required.
The motor offers a high step count (200 steps per revolution) for fine resolution motion and a relatively high holding torque for its size, enabling accurate positioning in constrained spaces. Its low rated voltage and defined current rating are compatible with common bipolar stepper drivers. The compact 42.3×42.3×47 mm housing and double-shaft design allow flexible mechanical integration, including connection to encoders or additional couplings without significant space penalties.
Install the motor on a stable mounting surface that aligns the shaft with the driven mechanism to minimize radial and axial loads. Use an appropriate bipolar stepper driver configured to the motor's current rating (1.68 A per phase) and set microstepping as required for the desired resolution and smoothness. Supply the driver with an appropriate voltage compatible with the motor and driver design; ensure wiring follows the motor's coil pairings and that the driver current limit is adjusted before operation. When using the double shaft with an encoder or coupling, secure both ends to prevent misalignment and avoid imposing axial loads on the bearings.
For reliable long-term performance, use a current-limited bipolar driver and enable microstepping to reduce resonance and noise. Ensure adequate cooling when operating near rated current and avoid prolonged stall conditions at maximum torque. When integrating with encoders or gearboxes, verify alignment and coupling tolerances to prevent shaft wear and to maintain positional accuracy.
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