2 Phase NEMA23 1n. M 2n. M 3n. M Jk57HS 57bygh Electric Stepping Motor CNC Hybrid Geared Stepper Motor with Planetary Gearbox / Brake / Encoder / Controller

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Product Description

Basic Information
Model NO.
JK57HS
Number of Stator
Two-Phase
Excitation Mode
HB-Hybrid
Number of Poles
8
Type
Hybrid Stepper Motor
Step Angle
1.8 Degree or 0.9 Degree
Holding Torque
0.48n.M ~ 3.1n.M
Current / Phase
1A ~ 4.2A
Certification
ISO9001, CCC, CE, RoHS, SGS, Reach
Motor Length
41mm ~ 112mm
Product Description & Key Features

2 Phase NEMA23 Electric Stepping Motor - Hybrid geared stepper motor options available with planetary gearbox, brake, encoder, or controller. This precision motor converts electrical pulse signals into accurate angular or linear displacements.

  • High-Grade Magnetic Steel: Typically utilizing SH level type for superior performance.
  • Smooth Operation: Coated rotor reduces burrs, ensuring low noise and steady movement.
  • Rigorous Testing: Stator and rotor are tested individually before and after assembly to guarantee quality.
  • Versatile Applications: Widely used in 3D printers, CNC machines, medical equipment, and automation.
General Specifications
Step Angle1.8° or 0.9°
Temperature Rise80ºC Max
Ambient Temperature-20ºC ~ +50ºC
Insulation Resistance100 MΩ Min., 500VDC
Dielectric Strength500VAC for 1 minute
Shaft Radial Play0.02 Max. (450g-load)
Shaft Axial Play0.08 Max. (450g-load)
1.8 Degree Stepper Motor Parameters
Model No. Step Angle (°) Length (mm) Current (A) Resist (Ω) Induct (mH) Torque (N.m) Leads Detent (g.cm) Inertia (g.cm²) Mass (Kg)
JK57HS41-10061.84117.180.4862501500.47
JK57HS51-28041.8512.80.832.21.0143002300.59
JK57HS76-28041.8762.81.13.61.8946004401.1
JK57HS112-42041.81124.20.93.83.1412008001.4
Detailed Product Gallery
Factory Show & Production Quality
Factory Overview

Specializing in high-technology manufacturing, our products serve a wide range of industries including CNC machinery, medical devices, and printing equipment. We support both OEM and ODM collaborations to meet specific customer requirements.

Frequently Asked Questions
What are the primary applications for NEMA 23 stepper motors?
They are commonly used in CNC milling machines, 3D printers, laser cutters, medical equipment, and various automated industrial devices due to their precision and holding torque.
Can I choose between a 1.8 degree and 0.9 degree step angle?
Yes, we offer both versions. A 0.9-degree step angle provides higher resolution and smoother movement compared to the standard 1.8-degree version.
Do these motors support customization?
Absolutely. We support OEM and ODM services, allowing for modifications in shaft length, lead wires, or the addition of gearboxes, encoders, and brakes.
What certifications do your stepper motors hold?
Our products are compliant with ISO9001, CE, RoHS, CCC, SGS, and Reach standards, ensuring they meet international quality and safety requirements.
How do you ensure the quality of the motors?
We perform multi-stage testing, including stator and rotor inspections before assembly and a final performance test after assembly to ensure every unit operates perfectly.
What is the difference between 4-lead, 6-lead, and 8-lead motors?
This refers to the wiring configuration. 4-lead motors are standard for bipolar drivers, while 6 and 8-lead motors offer more flexibility for unipolar or different bipolar wiring options (series vs parallel).

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