High Precision Compact Nema11 Ball Screw Stepper Motor for Robotics & Automation Systems

The Nema11 Ball Screw Stepper Motor is a high-precision, miniature linear actuator that incorporates a ball screw design to deliver low noise, high torque output, and stable, repeatable positioning. It is widely utilized in 3D printers, miniature robotics, and laboratory automation equipment.


Description

Model Information

Model: Nema11 Ball Screw Stepper Motor

Basic Motor Parameters

Step Angle: 1.8° (supports microstepping for higher positioning accuracy)
Flange Size: 28 × 28 mm
Motor Length: 28 – 50 mm (depends on screw length and configuration)

Winding: High-purity copper copper wire winding
Core Structure: High magnetic silicon steel laminated rotor & stator for improved efficiency and stability

Ball Screw Specifications

Screw Type: Ball screw (high precision linear transmission)
Screw Diameter: 3 mm
Screw Pitch: 2 mm / 4 mm / 6 mm (customizable)

Screw Length Options: 20 / 30 / 40 / 50 / 75 / 100 mm (customizable)

Max Stroke: Up to 100 mm (longer travel customizable)

Electrical Parameters

Rated Voltage: 12V DC / 24V DC
Drive Current: 0.5 – 1.2 A (adjustable based on load)

Motion Performance

No-load Linear Speed: 5 – 150 mm/s (depends on pitch and drive mode)

Max Thrust Output:
2 mm pitch: ~35 N
4 mm pitch: ~45 N
6 mm pitch: ~55 N

Operation Features: Low noise, low vibration, high repeat positioning accuracy, continuous operation capable

Mechanical Structure

Bearings: High-precision rolling bearings
Lubrication: Long-life lubrication system for smooth motion
Transmission: Ball screw drive for higher efficiency and lower friction
Max Travel: Depends on screw length (standard up to 100 mm)

Control & Drive

Drive Mode: Open-loop stepper / Optional closed-loop with encoder feedback
Microstepping Support: Yes
Optional Configuration: Encoder feedback for closed-loop positioning control

Performance Enhancements

Optional Planetary Gearbox:
Torque increase 1.5 – 3× for low-speed high-load applications

Efficiency: High transmission efficiency with minimal mechanical loss
Stability: Improved smoothness in micro-motion control

Environmental Conditions

Operating Temperature: -20°C ~ 50°C
Insulation Class: Class B
Protection Level: IP20 or sealed housing optional

Service Life

Designed Life: ≥10,000 hours continuous operation
Screw & bearing system: Precision machined and heat treated for durability

Typical Applications

3D printers
Laser engraving machines
Micro robotics systems
Laboratory automation instruments
Medical devices
Precision optical equipment
Mini packaging machinery
Pick-and-place automation systems

Product Overview

The Nema11 ball screw stepper motor integrates a high-precision ball screw transmission system into a compact motor structure, delivering smooth motion, high efficiency, and excellent positioning accuracy. It is designed for compact automation systems that require stable linear motion, low friction, and high reliability in precision applications.