NEMA23 PR57HS51-1006 7.2kg-cm Stepper Motor-Round Type Shaft
NEMA23 PR57HS51-1006 7.2kg-cm Stepper Motor-Round Type Shaft
NEMA23 PR57HS51-1006 7.2kg-cm Stepper Motor-Round Type Shaft
The NEMA23 PR57HS51-1006 is a precision stepper motor featuring a round type shaft designed for industrial automation, CNC machinery, and robotics applications requiring accurate positional control. Professional engineers and manufacturers utilize this motor for high-torque applications demanding 7.2 kg-cm holding torque with excellent step accuracy and repeatability. This motor solves the critical challenge of achieving smooth, controlled motion in multi-axis systems without requiring feedback sensors, making it ideal for cost-effective automation solutions.
Product Overview
The NEMA23 PR57HS51-1006 stepper motor operates on the principle of electromagnetic coil energization to rotate a permanent magnet rotor in precise angular increments. When sequential pulses are applied to the motor windings through a stepper driver, the rotor locks into discrete step positions, enabling accurate positioning without closed-loop feedback. This 57mm frame size motor delivers exceptional torque density with its 7.2 kg-cm holding torque rating, making it suitable for demanding applications where precision and reliability are non-negotiable. The round type shaft design provides superior mechanical coupling flexibility compared to flat-shaft variants, allowing seamless integration with standard shaft couplings, pulleys, and gearboxes.
The PR57HS51-1006 model incorporates a bipolar winding configuration optimized for standard stepper drivers operating at 12-24V DC supply levels. Its thermal design ensures sustained performance under continuous operation with proper heat dissipation, while the precision-engineered rotor maintains step accuracy of ±5% without load. The motor's mechanical construction features sealed bearings that minimize maintenance requirements and extend operational lifespan in industrial environments. This particular model excels in applications requiring moderate speed with high torque delivery, making it the preferred choice for 3D printers, laser engraving systems, automated test equipment, and industrial positioning tables.
Key Specifications
| Specification | Details |
| Product Type | NEMA23 Bipolar Stepper Motor |
| Model Number | PR57HS51-1006 |
| Frame Size | 57mm x 57mm |
| Shaft Type | Round Type Shaft |
| Holding Torque | 7.2 kg-cm (0.72 Nm) |
| Rated Current | 1.0A per phase |
| Voltage Rating | 12-24V DC |
| Step Angle | 1.8 degrees (200 steps per revolution) |
| Winding Configuration | Bipolar |
| Shaft Diameter | 8mm |
| Shaft Length | 25mm |
| Weight | 450g |
| Operating Temperature | -10 to +50 degrees Celsius |
| 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 |
Key Features
- High Holding Torque of 7.2 kg-cm enables powerful positioning and load holding without continuous power consumption, critical for vertical axis applications and heavy load handling
- Round Type Shaft Design provides superior mechanical coupling compatibility with standard shaft couplings, pulleys, and direct drive applications compared to flat-shaft alternatives
- Bipolar Winding Configuration delivers consistent torque across all four quadrants of motion with standard stepper drivers, eliminating the need for complex unipolar switching circuits
- Precision Step Accuracy of ±5% ensures repeatable positioning for multi-axis CNC systems, 3D printing, and automated assembly without accumulated drift errors
- Low Electrical Noise and Vibration characteristics through optimized rotor design make it suitable for noise-sensitive laboratory and medical equipment applications
- Compact 57mm Frame Size with integrated mounting holes simplifies mechanical integration into space-constrained industrial automation systems and custom machinery
Applications and Use Cases
- CNC Milling Machines and Routers: Provides precise XY axis positioning and Z-axis depth control with 7.2 kg-cm torque sufficient for light to medium cutting operations without servo complexity
- 3D Printers and Additive Manufacturing: Powers extruder drive mechanisms and build platform positioning with exceptional step accuracy for layer-by-layer precision manufacturing
- Laser Engraving and Cutting Systems: Delivers smooth galvanometer mirror scanning and material positioning with repeatable accuracy for intricate design reproduction on various substrates
- Automated Inspection and Test Equipment: Enables precise sample positioning, component manipulation, and multi-axis scanning in manufacturing quality control and laboratory automation applications
- Industrial Conveyor Systems: Powers indexing tables and material handling mechanisms requiring accurate position control with high holding torque to prevent load drift
- Robotics and Motion Control: Serves as joint actuator in robotic arms and automated assembly systems where deterministic motion and position feedback elimination reduces system complexity
How to Use
To implement the NEMA23 PR57HS51-1006 stepper motor in your application, first select an appropriate stepper driver capable of supplying 1.0A per phase at your chosen supply voltage (12-24V DC). Connect the motor's four winding terminals to the driver outputs according to the coil color coding: typically A-A+ and B-B+ phase pairs. Mount the motor securely using the four M5 mounting holes on the rear flange, ensuring proper alignment with your driven mechanism. The 8mm round shaft accepts standard couplings or pulleys; use a 3mm set screw coupling for flexible misalignment compensation or a rigid coupling for direct drive applications requiring maximum torque transmission.
Configure your stepper driver for 200 steps per revolution (1.8-degree step angle) and set the current limit to 1.0A per phase for optimal performance and thermal management. Program your motion control system to generate step and direction pulses at frequencies between 1 Hz and 3000 Hz depending on your speed and acceleration requirements. For applications requiring higher torque or speed than single-motor capability, consider microstepping at 1/4 or 1/8 step resolution, which improves smoothness and reduces vibration at the cost of slightly reduced holding torque. Always include mechanical load testing during commissioning to verify that the 7.2 kg-cm torque rating accommodates your specific application's inertial and frictional loads with appropriate safety margin.
Frequently Asked Questions
What is the maximum speed this NEMA23 stepper motor can achieve?
The PR57HS51-1006 can operate up to approximately 3000 steps per second (6 revolutions per second or 360 RPM) with proper driver configuration and adequate power supply. However, practical speed is limited by your load inertia and acceleration requirements. At maximum speed, holding torque decreases due to back-EMF effects, so verify your specific load profile during testing. For applications requiring sustained high-speed operation, consider gearing to reduce motor speed while multiplying output torque.
Can I use this motor with microstepping, and what are the benefits?
Yes, the bipolar NEMA23 PR57HS51-1006 is fully compatible with microstepping drivers that divide each full step into smaller increments (1/2, 1/4, 1/8, or 1/16 steps). Microstepping provides smoother motion with significantly reduced vibration and audible noise, making it ideal for precision applications like 3D printing and laser systems. The tradeoff is slightly reduced holding torque at high microstepping ratios and increased driver complexity. For most applications, 1/4 microstepping offers optimal balance between smoothness and torque retention.
What driver specifications do I need for this stepper motor?
The NEMA23 PR57HS51-1006 requires a bipolar stepper driver rated for minimum 1.0A per phase at your chosen supply voltage (12-24V DC). Popular options include DM542, DM860, or similar NEMA23-compatible drivers. Ensure the driver supports your required stepping resolution (full step, half step, or microstepping). The driver must include current limiting protection to prevent motor coil damage. For 24V operation, you'll achieve better high-speed performance and reduced heating compared to 12V supply due to improved current rise time in the motor windings.
How do I calculate if this motor has sufficient torque for my application?
Calculate your total load torque including friction, gravity (for vertical loads), and acceleration resistance. The NEMA23 provides 7.2 kg-cm holding torque, but available torque decreases with speed due to back-EMF effects. At low speeds (under 500 steps/second), you can rely on near full holding torque. Create a torque-speed curve based on your driver voltage and current settings. Always design with at least 30-50% safety margin below rated torque to account for load variations and thermal effects. If your calculated requirement exceeds 7.2 kg-cm, consider using a NEMA34 motor or implementing mechanical gearing.
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.
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- Returns: 7-day return policy on manufacturing defects only
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Buy NEMA23 PR57HS51-1006 7.2kg-cm Stepper Motor-Round Type Shaft Online in India
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