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This is a closed-loop stepper kit built around a Nema 34 frame motor rated at 12 Nm holding torque and 6.0 A per phase, paired with a driver that reads an encoder and corrects for lost steps. Closed-loop control is the main draw: unlike an open-loop stepper, it detects position error and faults out instead of silently stalling mid-cut. The 86 x 86 mm frame and 175 mm body make it a heavy, rigid choice for router and mill axes, plasma tables and other CNC builds that need torque at moderate speed. It suits builders who want stepper simplicity with servo-like reliability, but it is not a plug-and-play kit and expects a proper power supply, wiring and tuning.
In stockSold by stepperonline
In stock
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Lowest price we've seen: $150.00 on Nov 10 at eBay. Tracked across 2 stores since Nov 10.
Owners of STEPPERONLINE closed-loop Nema 34 kits generally report reliable step retention and good torque for the size, and praise the build quality. Complaints center on setup effort, documentation and the power supply needed to run it at rated current.
