NEMA17 PR42HS60-1206F 6.5kg-cm Stepper Motor-D Type Shaft
NEMA17 PR42HS60-1206F 6.5kg-cm Stepper Motor-D Type Shaft
NEMA17 PR42HS60-1206F 6.5kg-cm Stepper Motor-D Type Shaft
The NEMA17 PR42HS60-1206F is a precision stepper motor engineered for high-torque applications requiring accurate positional control and repeatable motion. This motor delivers 6.5 kg-cm holding torque with a D-type shaft configuration, making it ideal for industrial automation, CNC machinery, 3D printing systems, and robotics projects where compact form factor meets robust performance. The motor solves the critical challenge of achieving smooth, synchronized multi-axis movement in applications demanding microstepping precision without servo feedback complexity.
Product Overview
The NEMA17 PR42HS60-1206F operates on the fundamental principle of electromagnetic field rotation, where sequential energization of four coil windings creates a rotating magnetic field that drives the rotor in discrete angular steps. Each full step represents 1.8 degrees of rotation, with microstepping capabilities enabling up to 16 microsteps per full step for ultra-smooth motion. The 6.5 kg-cm torque specification indicates the motor's holding strength when energized, ensuring precise positioning without drift or backlash in static or dynamic applications. This particular model features a D-type shaft, which provides a flat surface for secure coupling and prevents rotational slippage when mounted to gearboxes, pulleys, or direct-drive mechanisms.
The PR42HS60-1206F design incorporates a two-phase hybrid stepper architecture with precision-machined rotor teeth and stator poles, delivering consistent torque characteristics across the entire speed range from standstill to maximum RPM. The motor's compact NEMA17 frame (42mm x 42mm mounting footprint) makes it suitable for space-constrained applications while maintaining exceptional power density. Temperature stability and low cogging torque ensure reliable operation in varying environmental conditions, from laboratory prototyping to industrial production environments. The D-type shaft simplifies mechanical integration and reduces assembly complexity compared to round-shaft alternatives.
Key Specifications
| Specification | Details |
| Product Type | NEMA17 Hybrid Stepper Motor |
| Model Number | PR42HS60-1206F |
| Shaft Type | D-Type Shaft |
| Holding Torque | 6.5 kg-cm (0.64 Nm) |
| Frame Size | NEMA17 (42mm x 42mm) |
| Step Angle | 1.8 degrees per full step |
| Phases | 2-Phase Hybrid |
| Rated Voltage | 12V DC |
| Rated Current | 1.2A per phase |
| Resistance | 10 ohms per phase |
| Inductance | 12 mH per phase |
| Maximum Speed | 3000 RPM (typical) |
| 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
- 6.5 kg-cm holding torque provides strong positional locking for vertical load applications and prevents unwanted motor drift during power-off states
- D-type shaft design eliminates rotational slippage and ensures positive mechanical coupling to gearboxes, pulleys, and lead screws without requiring set screws
- 1.8-degree step angle with 16-microstep capability delivers smooth motion resolution up to 28,800 microsteps per revolution for precision positioning
- 12V DC rated voltage with 1.2A phase current enables direct integration with standard microcontroller stepper drivers and Arduino-compatible motor shields
- Compact NEMA17 form factor (42mm x 42mm) fits space-constrained enclosures while maintaining high torque-to-size ratio for mobile and portable applications
- Low cogging torque and consistent torque curve across speed range ensure smooth acceleration and deceleration profiles without vibration
Applications and Use Cases
- 3D Printer XY-Axis Movement: Drives precision positioning of print heads and build platforms with microstepping for layer-by-layer accuracy in FDM and resin printing systems
- CNC Router and Engraver Control: Powers spindle positioning and cutting tool movement with repeatable accuracy for woodworking, PCB milling, and sign-making applications
- Automated Laboratory Equipment: Controls sample dispensing, stage positioning, and carousel rotation in medical diagnostics, pharmaceutical automation, and analytical instrumentation
- Robotics Arm Joint Actuation: Drives multi-axis robotic arms and collaborative robot joints with synchronized motion control for pick-and-place, welding, and assembly operations
- Surveillance Camera Pan-Tilt Mechanisms: Provides smooth horizontal and vertical camera movement for CCTV systems and automated monitoring stations
- Textile and Printing Machinery: Controls fabric feed, pattern positioning, and color registration in embroidery machines and industrial textile printing equipment
How to Use
To integrate the NEMA17 PR42HS60-1206F into your project, first identify your stepper driver module (such as A4988, DRV8825, or TMC2209) and connect the motor's four coil wires to the corresponding motor output pins. The motor has two coils (typically labeled A+/A- and B+/B-); verify correct phase pairing using a multimeter to avoid reversed polarity. Supply 12V DC power to the driver module and configure microstepping resolution through the driver's MS pins (MS0, MS1, MS2) to achieve your desired step resolution, ranging from full-step (1.8 degrees) to 16-microstep (0.1125 degrees per microstep). Connect the driver's STEP and DIRECTION input pins to your microcontroller (Arduino, Raspberry Pi, or PLC) and program the stepping sequence using standard stepper control libraries.
For mechanical installation, mount the motor to your frame using the four M3 mounting holes on the NEMA17 face plate, ensuring the D-type shaft aligns with your driven load. The shaft extends approximately 24mm from the motor face; use a rigid coupling or direct-drive mechanism to transfer torque without backlash. When driving vertical loads or high-inertia mechanisms, calculate your required torque and verify that 6.5 kg-cm is sufficient; if additional torque is needed, implement a gearbox with appropriate reduction ratio. Implement current limiting at the driver level to prevent motor overheating during extended operation; typical duty cycles allow continuous operation at rated current with adequate cooling. For optimal performance, use twisted-pair shielded wiring for STEP and DIRECTION signals to minimize electromagnetic interference in noisy industrial environments.
Frequently Asked Questions
What is the difference between holding torque and running torque in this stepper motor?
Holding torque (6.5 kg-cm) is the maximum force the motor can exert when stationary with coils energized, preventing load rotation. Running torque varies with speed and decreases as RPM increases due to back-EMF effects; at low speeds (under 500 RPM), running torque approaches holding torque, but at maximum speed (3000 RPM), running torque drops to approximately 20-30% of holding torque. For applications requiring sustained torque at speed, implement mechanical advantage through gearing or select a higher-torque motor variant.
Can I operate this motor at voltages other than 12V DC?
While the motor is rated for 12V DC, it can technically operate at lower voltages (reducing current and torque proportionally) or higher voltages (increasing speed and torque) when using appropriate current-limiting drivers. However, operating above 12V risks coil overheating and reduced motor lifespan; operating below 6V may result in insufficient holding torque. For optimal performance and longevity, use a regulated 12V power supply with a stepper driver that implements current limiting rather than direct voltage application.
How do I prevent missed steps and ensure reliable positioning?
Missed steps occur when acceleration exceeds the motor's torque capacity or when resonance frequencies cause oscillation. Prevent this by: (1) implementing smooth acceleration ramps rather than instantaneous speed changes, (2) verifying load inertia does not exceed motor capability, (3) using microstepping to reduce vibration and resonance effects, (4) ensuring adequate current supply to the driver (minimum 2A capacity recommended), and (5) avoiding rapid direction reversals without deceleration ramps. For critical applications, implement position feedback using limit switches or encoders to detect and correct missed steps automatically.
What is the maximum load this motor can drive with the D-type shaft?
The D-type shaft can transmit the motor's full 6.5 kg-cm torque without slippage due to the flat surface preventing rotation. However, the shaft's mechanical strength limits radial and axial loads; maximum recommended radial load is approximately 5 kg applied 10mm from the motor face, and maximum axial load is 2 kg. For heavier loads, use a rigid bearing-supported coupling rather than cantilevered mounting, and consider implementing a gearbox to increase available torque while reducing motor speed.
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
Buy NEMA17 PR42HS60-1206F 6.5kg-cm Stepper Motor-D Type Shaft Online in India
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