NEMA 17 Lead Screw Stepping Motor 34mm Stack 0.4A 0.28Nm Tr6.35×2 Linear Actuator

This NEMA 17 lead screw stepping motor features a compact 34mm stack design, 1.8° step angle, 0.28Nm holding torque, and Tr6.35×2 precision lead screw. Designed for smooth and accurate linear motion, this stepper motor linear actuator is ideal for automation systems, screw actuator applications, and compact linear drive motor solutions. Custom screw lengths are available.

NEMA 17 Lead Screw Stepping Motor Overview

This lead screw stepping motor combines a precision NEMA 17 stepper motor with an integrated Tr6.35×2 lead screw to create a compact and efficient linear motion solution. With a 34mm motor stack, 0.4A current, and 0.28Nm holding torque, it is ideal for applications requiring precise positioning and stable thrust output.

The integrated screw structure eliminates external couplings and improves mechanical efficiency, making this unit an excellent stepper motor linear actuator for automation equipment, medical devices, compact CNC systems, and precision motion control platforms.

Main Features

  • Compact NEMA 17 external lead screw structure
  • Precision Tr6.35×2 screw actuator design
  • 1.8° step angle for accurate positioning
  • 0.28Nm holding torque with low current consumption
  • Suitable for compact linear drive motor systems
  • Custom screw rod lengths available
  • POM nut structure for smooth linear movement

Technical Specifications

Parameter Specification
Motor Type Lead Screw Stepping Motor
Frame Size NEMA 17 (42×42mm)
Motor Stack Length 34mm
Step Angle 1.8° ±5%
Rated Voltage 12V DC
Phase Current 0.4A
Holding Torque 0.28Nm
Phase Resistance 30Ω ±10%
Phase Inductance 37mH ±20%
Lead Screw Specification Tr6.35×2
Screw Length 100mm (Customizable)
Insulation Class Class B
Ambient Temperature -20°C to +50°C
Motor Weight Approx. 0.2kg

Lead Screw Linear Resolution

The Tr6.35×2 lead screw provides stable and repeatable motion, making this motor ideal for precision actuador linear systems and compact screw actuator applications.

Microstep Setting Steps per Revolution Linear Travel per Step
Full Step 200 0.01mm
1/8 Step 1600 0.00125mm
1/16 Step 3200 0.000625mm
1/32 Step 6400 0.0003125mm

Wiring Diagram

Wire Color Phase Description
Black A+ Phase A Positive
Green A− Phase A Negative
Red B+ Phase B Positive
Blue B− Phase B Negative

Applications

  • Compact automation equipment
  • Medical linear drive systems
  • CNC and semiconductor equipment
  • Laboratory positioning devices
  • Linear power supplies and control systems
  • Precision screw actuator assemblies

Customization Options

The screw rod length can be customized according to your application requirements. We also support customized connectors, shaft structures, anti-backlash nuts, and cable lengths for OEM and industrial automation projects.

Download Datasheet

Download the full specification sheet for detailed parameters, wiring guide, and performance curves.

📄 Download PDF Datasheet

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