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NEMA 17 Planetary Gear Stepper Motor

Model: NEMA 17

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· Model: NEMA 17 Planetary Gear Stepper
· Frame Size: NEMA 17 (42 x 42 mm)
· Motor Type: 2-Phase Hybrid Stepper Motor
· Step Angle (Base Motor): 1.8° (0.9° optional)
· Rated Voltage: 3.3V – 24.0V DC

Product Overview

The NEMA 17 Planetary Gear Stepper Motor combines a high-precision 42mm hybrid stepper motor with an industrial-grade planetary reduction gearbox. Engineered for open-loop and closed-loop motion control systems, it delivers exceptional holding torque, fine micro-stepping positioning, and minimal angular backlash, making it an essential drive unit for 3D printers, desktop CNC routers, medical pumps, and automated robotics.

Key Features & Engineering Highlights

High Precision & Low Backlash

Multi-gear planetary distribution delivers outstanding positional repeatability and minimal backlash for precision-critical positioning tasks.

Superior Holding & Output Torque

Multiplied torque capacity enables smooth motion driving against heavy resistive loads without skipping steps or losing phase alignment.

Heavy-Duty All-Metal Gearbox

Precision sintered powder metallurgy planetary gears handle continuous impact and radial loads, providing robust wear resistance and longevity.

Smooth Stepping & Low Vibration

Optimized magnetic rotor structure and gear meshing significantly reduce resonance, acoustic chatter, and torque ripple under micro-stepping modes.

Target Applications

3D Printers, Filament Extruders & Additive Manufacturing
Desktop CNC Routers, Laser Engravers & PCB Milling Machines
Robotic Joint Actuators, Grippers & SCARA Arms
Precision Medical Syringe Pumps & Dosing Equipment
Automated Pan-Tilt Camera Heads & Optics Positioning
Industrial Pick-and-Place & Linear Actuator Drives
Automated Valve Controllers & Fluid Metering Units
Lab Automation Instruments & Sample Tube Rotators

Custom OEM/ODM Engineering Options

We offer complete customization services to align with your mechanical mounting and electrical drive requirements. Contact our engineers for options including:

Custom Stack Lengths (34mm – 60mm)
Tailored Gear Ratios (1:3 to 1:100)
Shaft Options (D-Cut, Round, Keyway, Lead Screw)
Closed-Loop Encoder & Brake Assemblies
Custom Wire Harnesses & JST/Molex Connectors

Technical Specifications

Model	NEMA 17 Planetary Gear Stepper
Frame Size	NEMA 17 (42 x 42 mm)
Motor Type	2-Phase Hybrid Stepper Motor
Step Angle (Base Motor)	1.8° (0.9° optional)
Rated Voltage	3.3V – 24.0V DC

Key Features

Standard NEMA 17 (42mm x 42mm) mounting flange integrated with a high-torque planetary gearhead.

High torque multiplication capability providing steady holding torque without step loss under heavy loads.

Low-backlash planetary gear train ensuring exceptional angular accuracy and micro-stepping performance.

Durable all-metal sintered gear construction engineered for high impact loads and continuous operation.

Low acoustic noise and reduced vibration profile optimized for quiet precision environments.

Smooth bi-directional stepping response compatible with standard A4988, TMC, and closed-loop drivers.

Complete OEM/ODM flexibility for motor stack length, gear ratios, custom lead wires, and encoder mounts.

Applications

3D Printers, Direct-Drive Filament Extruders, and Additive Manufacturing Equipment

Desktop CNC Routers, Laser Engraving Cutters, and PCB Milling Platforms

Robotic Manipulator Joints, SCARA Robot Arms, and Smart Grippers

Precision Medical Syringe Pumps, Peristaltic Dosing Systems, and Diagnostic Devices

Automated Camera Pan-Tilt Stabilizers, Optics Focusing, and Gimbal Drives

Industrial Pick-and-Place Automation, Linear Slides, and Belt-Driven Motion Axes

High-Torque Automated Valve Control, Liquid Metering, and Flow Regulation

Laboratory Automation Equipment, Sample Rotators, and Centrifuge Positioning Controls