Description

NEMA 23 Hollow Shaft Stepper Motor offers a range of advantages that make it an ideal solution for precision motion control applications. Its hollow shaft design enables direct through-shaft integration, simplifying mechanical assemblies, reducing the need for additional couplings, and minimizing alignment errors. This design not only saves installation space but also improves transmission efficiency and overall system reliability.

The motor incorporates advanced hybrid stepper technology, high-quality bearings, and a low-friction hollow shaft structure to deliver exceptional positioning accuracy, smooth motion, and consistent torque output. It provides excellent repeatability and stable performance, making it well-suited for demanding applications requiring precise rotational control.

Another key advantage of the NEMA 23 Hollow Shaft Stepper Motor is its low-noise and low-vibration operation. Even during extended continuous-duty cycles, the motor maintains smooth and reliable performance while minimizing mechanical wear. In addition, it supports a wide range of supply voltages and microstepping resolutions, allowing users to optimize speed, acceleration, resolution, and torque characteristics according to specific application requirements.

From a manufacturing standpoint, the motor features high-permeability laminated silicon steel stators and premium-grade copper windings to maximize electromagnetic efficiency while reducing heat generation. The hollow shaft is manufactured from high-strength alloy steel and undergoes precision CNC machining and advanced surface treatment processes to ensure excellent wear resistance, dimensional accuracy, and long-term durability. High-precision rolling bearings and a long-life lubrication system further enhance operational smoothness and service life.

Every NEMA 23 Hollow Shaft Stepper Motor undergoes comprehensive quality inspections, including torque verification, noise evaluation, electrical performance testing, and life-cycle validation, ensuring dependable operation in demanding industrial environments.

NEMA 23 Hollow Shaft Stepper Motor – Technical Specifications

1. Basic Motor Specifications

• Product Model: NEMA 23 Hollow Shaft Stepper Motor
• Motor Type: Hybrid Hollow Shaft Stepper Motor
• Flange Size: 57 mm × 57 mm
• Motor Length Options:
  • 41 mm
  • 56 mm
  • 76 mm
  • 80 mm
  • 102 mm
  • 112 mm
• Step Angle: 1.8° (200 steps/revolution)
• Number of Phases: 2-Phase

• Winding Configuration: （双极）

• Rated Current: 2.0 A – 5.0 A per phase

• Rated Voltage: 12 VDC / 24 VDC / 36 VDC
• Phase Resistance: 0.4 Ω – 1.2 Ω
• Phase Inductance: 1.4 mH – 6.5 mH
• Insulation Class: Class B (130°C)

2. Mechanical & Shaft Specifications

• Hollow Shaft Diameter: 8 mm – 12 mm (customizable)
• Shaft Length: 20 mm – 30 mm (customizable)
• Shaft Configuration: Hollow D-Cut Shaft
• Mounting Hole Spacing: 47.14 mm
• Mounting Hole Size: M5
• Motor Weight: 0.8 kg – 1.5 kg
• Bearing Type: Precision Rolling Bearings
• Maximum Static Through-Shaft Load: 0.5 – 2.0 kgf

3. Performance Specifications

Holding Torque Range

• Overall Torque Range: 0.5 N·m – 3.0 N·m

Typical Torque by Motor Length

• 56 mm Body Length: 0.5 – 0.8 N·m
• 76 mm Body Length: 0.8 – 1.5 N·m
• 86 mm Body Length: 1.5 – 3.0 N·m

Motion Performance

• Maximum Speed: 1,000 – 3,000 RPM (depending on driver and operating conditions)
• Repeatability: ±5 arc-min
• Maximum Acceleration: Up to 5,000 RPM/s (depending on load and drive system)

Operating Characteristics

• High Torque Density
• Low Vibration
• Low Noise
• Smooth Motion Performance
• Excellent Positioning Stability

4. Drive & Control Specifications

• Control Method: Step/Direction Pulse Control

Microstepping Options

• Full Step
• 1/2 Step
• 1/4 Step
• 1/8 Step
• 1/16 Step
• 1/32 Step
• 1/64 Step

Recommended Drivers

• TB6600
• DM556
• Leadshine HBS Series
• Input Voltage Range: 12 – 48 VDC

5. Environmental & Reliability Specifications

• Operating Temperature: -20°C to +50°C
• Storage Temperature: -30°C to +70°C
• Relative Humidity: 20% – 90% RH (non-condensing)
• Standard Protection Class: IP20
• Optional Protection Class: IP54 Sealed Version Available
• Design Service Life: ≥20,000 Hours
• Bearing Lubrication: Long-Life Grease Lubrication
• Vibration Resistance: Industrial-Grade Reliability Design

6. Typical Applications

• CNC Rotary Tables
• Indexing Tables
• Automated Production Lines
• Assembly Automation Equipment
• Robotic Joint Actuation Systems
• Optical Alignment and Positioning Systems
• Precision Optical Instruments
• Laser Engraving Machines
• Laser Cutting Equipment
• Precision Inspection Platforms
• Industrial Automation Systems
• Compact Material Handling Equipment
• Rotary Positioning Stages
• Semiconductor Manufacturing Equipment
• Electronics Assembly and Processing Systems