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NEMA 23 Servo Stepper Motor 1.8° Step Angle (57mm)

High-performance servo motor for precision automation and robotics. (57mm) Get a free quote from ZGC Motors, a trusted servo motor manufacturer.

  • Eliminate Lost Steps Permanently: Experience robust accuracy with our Closed Loop Servo Stepper, which prevents missteps under heavier loads by combining stepper torque with servo-like control.
  • Powerful & Versatile: Delivers a strong 0.8-3.2 Nm of torque from a standard NEMA 23 (57mm) frame, offering the ideal balance of power and size for demanding tasks.
  • 1.8° Step Angle: Verified by closed-loop feedback, ensures consistent motion and sharp detail for complex carving and engraving projects.
  • Simplify Your Upgrade: A direct replacement for open-loop steppers in most CNC systems, it installs easily to immediately enhance performance and eliminate costly errors.
  • Engineered for Carving Machines.

What is a Servo Stepper Motor?

A Servo Stepper Motor is a high-performance stepper motor equipped with an encoder. At its core, it remains a stepper, but through closed-loop control, it aims to combine the benefits of both stepper and servo motor technologies.

The Ideal Cost-Effective Solution

Are you concerned that a standard stepper motor might lose steps due to sudden resistance changes during complex carving, leading to misalignment and scrapped work? At the same time, is a true servo motor stretching your budget?

This Servo Stepper Motor is the high-value solution crafted for this exact scenario. It retains the high holding torque and cost-effectiveness of a standard stepper while utilizing a built-in encoder for closed-loop control. This system continuously monitors and instantly corrects any positional errors, permanently eliminating the issue of lost steps and guaranteeing pinpoint accuracy for every single carve you make.

Motor Specifications

ModelCurrentResistanceInductanceHolding torqueInertiaLengthEncoder
AΩ±10%mH±20%N.mOZ.ing/cm²mm MaxResolution
SD57H255-E1KS4.00.451.41.2170.0280771000CPR
SD57H255-E2K5ZS4.00.451.81.2170.0280772500CPR
SD57H276-E1KS5.00.371.82.0283.3480981000CPR
SD57H276-E2K5ZS5.00.371.82.0283.3480982500CPR

Encoder specifications

ModelE1KzE2K5z
Resolution1000cpr/4000ppr2500cpr/10000ppr
TypeIncremental Encoder
Output ModeDifferential
Output SignalA+ A-;B+ B-A+ A-;B+ B-;Z+Z-
Supply Voltage5VDC±5%

 

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