NEMA23 PR57HS112-4204-01 31kg-cm Stepper Motor-Round Type Shaft

The NEMA23 PR57HS112-4204-01 is a high-torque stepper motor delivering 31 kg-cm holding torque with a round type shaft configuration, designed for precision motion control applications requiring reliable positioning accuracy. Professional automation engineers, CNC machine builders, and robotics developers rely on this motor for its consistent performance in multi-axis systems, 3D printers, and industrial automation equipment. This stepper motor solves the critical challenge of achieving repeatable, accurate positioning without feedback sensors while maintaining excellent holding torque under dynamic load conditions.

Product Overview

The NEMA23 PR57HS112-4204-01 stepper motor operates on the principle of electromagnetic coil energization to rotate a permanent magnet rotor in discrete angular increments. The motor features a bipolar winding configuration with four independent coils that generate a rotating magnetic field when sequentially energized by a stepper driver. The 31 kg-cm torque rating indicates the maximum holding force the motor can exert when fully energized, making it suitable for applications requiring significant load resistance. The round type shaft design provides compatibility with standard couplings, pulleys, and direct-drive mechanisms commonly used in industrial automation.

This NEMA23 frame size motor delivers superior performance compared to smaller NEMA17 variants while maintaining a compact footprint. The PR57HS112-4204-01 model incorporates optimized magnetic circuit design and precision machining to minimize cogging torque and vibration during operation. The motor's thermal characteristics allow sustained operation at rated current with proper cooling, making it ideal for continuous-duty applications in manufacturing environments. The round shaft configuration enables flexible mechanical integration with various load coupling methods, from flexible couplings to direct gear mesh arrangements.

Key Specifications

Specification	Details
Product Type	NEMA23 Bipolar Stepper Motor
Brand	PR Stepper Motor Series
Origin	Original/Authentic
Warranty	7 days on manufacturing defects
Shipping	1-5 days from Bengaluru
Delivery	7-8 days across India
Support	24/7 via Email and WhatsApp
Holding Torque	31 kg-cm (3.04 Nm)
Frame Size	NEMA23 (57mm x 57mm)
Shaft Type	Round Type Shaft
Step Angle	1.8 degrees per step (200 steps per revolution)
Rated Current	2.8A per phase typical
Winding Configuration	Bipolar, 4-wire connection
Operating Voltage	24V to 48V DC recommended

Key Features

• High Holding Torque of 31 kg-cm ensures secure load positioning without slippage during power-on state, critical for vertical axis applications and heavy load scenarios
• Round Type Shaft Design provides universal mechanical compatibility with standard couplings, pulleys, and direct-drive mechanisms used across industrial equipment
• NEMA23 Frame Size offers optimal balance between torque output and physical footprint, fitting seamlessly into space-constrained automation systems
• Bipolar Winding Configuration delivers smooth stepping characteristics with minimal vibration, enabling precision positioning for CNC and robotics applications
• 1.8 Degree Step Angle provides 200 steps per revolution, allowing fine positional control without microstepping complexity in basic applications
• Thermal Stability maintains consistent performance across operating temperature ranges, suitable for both climate-controlled labs and industrial shop floor environments

Applications and Use Cases

• CNC Milling Machines: NEMA23 motors drive X, Y, and Z axis positioning with 31 kg-cm torque handling moderate cutting loads and ensuring repeatable part dimensions within tight tolerances
• 3D Printers and Additive Manufacturing: The motor's precise stepping controls extruder feed rates and build platform positioning, critical for layer-by-layer accuracy in complex geometries
• Automated Conveyor Systems: Industrial conveyor sorting and positioning applications utilize the motor's holding torque to maintain load position during power cycles and prevent gravity-induced drift
• Laboratory Automation Equipment: Scientific instruments, sample handlers, and analytical equipment rely on the motor's repeatability for consistent experimental protocols and data collection
• Robotics and Motion Control: Multi-axis robotic arms and collaborative robots employ NEMA23 motors for joint actuation where moderate torque and precise positioning are essential
• Printing and Textile Machinery: Document feeders, textile looms, and precision printing systems use these motors for synchronized motion control and registration accuracy

How to Use

To implement the NEMA23 PR57HS112-4204-01 stepper motor, first identify the motor's four wire connections and determine the coil pairs using a multimeter resistance test. Connect the motor to a compatible stepper driver module rated for at least 2.8A per phase, ensuring proper current limiting to prevent coil damage. Supply the driver with 24V to 48V DC power, with 36V being the optimal voltage for balancing torque delivery and heat generation. Configure the driver's microstepping resolution, step frequency, and direction control according to your application requirements, typically using pulse-direction signals from a microcontroller or motion controller.

Mount the motor securely to your mechanical system using the NEMA23 mounting face, ensuring the round shaft couples to your load mechanism via an appropriate flexible coupling or direct drive arrangement. Verify shaft alignment to prevent binding and premature bearing wear. Test the motor operation at low speeds initially to confirm proper stepping direction and load response before ramping to full operating speeds. Monitor motor temperature during extended operation, ensuring adequate ventilation and thermal management if running continuously at rated current. Implement mechanical endstops and software limits to prevent over-travel conditions that could damage gearing or load mechanisms.

Frequently Asked Questions

What is the difference between holding torque and running torque in this NEMA23 motor?

Holding torque (31 kg-cm) is the maximum force the motor can exert when stationary with coils energized, preventing load movement. Running torque is lower and decreases with increasing step frequency, as the motor has less time to build magnetic force. At 1000 steps per second, running torque typically drops to 60-70 percent of holding torque. Always design systems using running torque specifications for dynamic load calculations, reserving holding torque for static positioning and load retention during power-off scenarios.

Can I use this motor with microstepping, and what are the benefits?

Yes, the NEMA23 PR57HS112-4204-01 works excellently with microstepping drivers that subdivide the 1.8-degree steps into smaller increments like 1/4 or 1/16 steps. Microstepping reduces vibration and noise by 70-80 percent, enabling smoother motion in precision applications like 3D printing and optical systems. However, microstepping reduces available torque at each microstep and requires more sophisticated driver electronics. For applications requiring maximum torque at lower speeds, full-step operation is preferred; for smooth, quiet operation, microstepping is recommended.

What power supply voltage should I use for optimal performance?

The NEMA23 motor operates reliably between 24V and 48V DC, with 36V being the sweet spot for most applications. At 24V, the motor delivers lower acceleration and speed but generates less heat, suitable for intermittent duty cycles. At 48V, acceleration and maximum speed increase significantly, but motor temperature rises proportionally, requiring active cooling in continuous-duty applications. Select voltage based on your required speed range and thermal management capabilities. Always use a regulated power supply with current limiting to protect the motor coils.

When will I receive my order?

Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.

What is your return and warranty policy?

We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.

Are bulk discounts available?

Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.

Why Buy from The Engineer Store

• Genuine Products: Sourced directly from authorized distributors with authentication
• Expert Team: Our technical team validates every product before listing
• Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
• Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
• Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
• Technical Support: 24/7 expert guidance via email and WhatsApp
• Returns: 7-day return policy on manufacturing defects only

Buy NEMA23 PR57HS112-4204-01 31kg-cm Stepper Motor-Round Type Shaft Online in India

Purchase the NEMA23 PR57HS112-4204-01 31kg-cm Stepper Motor-Round Type Shaft online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on NEMA23 PR57HS112-4204-01 31kg-cm Stepper Motor-Round Type Shaft with fast shipping and expert support.

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