NEMA 34-86HS68-3004-04J-34-Kg-cm Stepper Motor Keyway Type Shaft
NEMA 34-86HS68-3004-04J-34-Kg-cm Stepper Motor Keyway Type Shaft
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The NEMA 34-86HS68-3004-04J-34-Kg-cm is a high-torque stepper motor featuring a keyway type shaft design, delivering 34 kg-cm of holding torque with exceptional precision and reliability. This industrial-grade stepping motor is engineered for professional automation engineers, CNC machine builders, and robotics developers who require precise positional control without feedback systems. It solves the critical challenge of achieving accurate multi-axis motion control in applications demanding high torque output while maintaining compact form factor and cost-effectiveness.
Specifications
| Specification | Details |
| Product Type | NEMA 34 Stepper Motor with Keyway Shaft |
| Frame Size | 86mm x 86mm |
| Stack Length | 68mm |
| Holding Torque | 34 kg-cm (3.34 Nm) |
| Step Angle | 1.9 degrees (200 steps per revolution) |
| Phase Configuration | 4-Phase Bipolar |
| Shaft Type | Keyway Type Shaft |
| Rated Current | 3.0 Amperes per phase |
| Winding Resistance | 1.0 Ohm per phase |
| Inductance | 3.8 mH per phase |
| Origin | Original/Authentic |
Why Choose NEMA 34-86HS68-3004-04J-34-Kg-cm Stepper Motor Keyway Type Shaft?
100% Authentic
GST Invoice - A GST invoice is included with every order.
Expert Support - Dedicated technical help on WhatsApp and email.
Pan-India Delivery - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.
Trusted by Makers - Used by students, hobbyists and professionals nationwide.
Key Features of NEMA 34-86HS68-3004-04J-34-Kg-cm Stepper Motor Keyway Type Shaft
- High Holding Torque of 34 kg-cm enables precise positional locking and resistance to external load disturbances in vertical axis applications
- Keyway Type Shaft design ensures secure mechanical coupling without slippage, compatible with standard metric keyway pulleys and sprockets
- 1.9-Degree Step Angle delivers 200 full steps per revolution with 400 micro-steps capability, providing smooth motion and reduced vibration in precision applications
- 4-Phase Bipolar Configuration optimizes torque characteristics across full speed range from standstill to maximum stepping frequency
- Compact 86mm NEMA 34 Frame with 68mm stack length balances torque density with thermal dissipation for sustained continuous operation
- Premium Magnetic Circuit Design with high-grade permanent magnets ensures consistent performance across temperature variations from 0 to 50 degrees Celsius
Perfect For
- CNC Milling and Routing Machines: Drives X, Y, and Z-axis positioning mechanisms requiring 34 kg-cm torque for precision cutting operations on wood, plastics, and soft metals
- Automated Assembly Systems: Powers conveyor belt indexing, rotary table positioning, and component placement mechanisms in manufacturing automation requiring synchronized multi-axis control
- 3D Printing and Additive Manufacturing: Controls extruder feed mechanisms and build platform positioning with micro-step precision for layer-by-layer fabrication accuracy
- Laboratory Automation Equipment: Drives sample carousel rotation, pipette positioning, and optical component adjustment in analytical instruments requiring repeatable accuracy
- Robotics and Industrial Automation: Powers robotic arm joint actuators, gripper mechanisms, and tool changers demanding high holding torque without encoder feedback
- Textile and Packaging Machinery: Controls fabric feed mechanisms, label dispensing systems, and material positioning in high-speed production environments
How to Use
Before installation, verify that your motor driver supports 4-phase bipolar stepper motor control with output current capability of at least 3.0 amperes per phase. Mount the motor securely using four M5 mounting bolts through the frame mounting holes, ensuring the shaft alignment is perpendicular to the load transmission axis. Connect the four motor windings to your stepper driver following the color-coded wiring diagram: typically red and green for phase A, and blue and black for phase B on standard configurations.
Configure your motion control software to send pulse sequences at appropriate stepping frequencies, typically ranging from 100 Hz to 3000 Hz depending on load inertia and acceleration requirements. Implement microstepping at 16x or 32x resolution for smooth motion and reduced vibration in precision applications. Monitor motor temperature during extended operation; the motor can sustain continuous operation up to 80 degrees Celsius with proper ventilation. For keyway shaft coupling, insert a standard metric key into the shaft keyway and secure the driven component using set screws to prevent rotational slippage under full torque conditions. Always use current-limiting power supplies to protect against overcurrent conditions that could damage motor windings.
Product Overview
The NEMA 34-86HS68-3004-04J stepper motor operates on the principle of electromagnetic field rotation synchronized with digital pulse signals, enabling precise angular displacement without closed-loop feedback. The motor features a 86mm frame size with 68mm stack length, providing optimal balance between torque density and thermal management. The keyway type shaft design ensures secure mechanical coupling to load transmission elements such as pulleys, gears, and timing belt sprockets, preventing rotational slippage during high-torque operations. With 34 kg-cm holding torque, this NEMA 34 motor excels in applications requiring sustained positional accuracy and resistance to external load disturbances.
This stepper motor incorporates advanced magnetic circuit design with high-grade rare-earth permanent magnets and precision-wound stator coils optimized for 4-phase operation. The 04J designation indicates a 1.9-degree step angle configuration, delivering 200 full steps per revolution or 400 micro-steps when using half-stepping drive modes. The keyway shaft accommodates standard metric keyways, enabling direct integration with industrial mechanical components. Superior thermal stability, minimal cogging torque, and excellent dynamic response characteristics make this motor ideal for precision positioning systems requiring sustained accuracy over extended operational periods.
Frequently Asked Questions
What is the maximum stepping frequency this NEMA 34 motor can achieve?
The NEMA 34-86HS68-3004-04J can reliably operate up to approximately 3000 full steps per second (3 kHz) under typical load conditions with proper microstepping driver implementation. At higher frequencies approaching 4000 Hz, torque output decreases due to back-EMF effects. The exact maximum frequency depends on your load inertia, acceleration profile, and power supply voltage. We recommend conducting load testing with your specific mechanical configuration to determine optimal operating parameters.
Is the keyway shaft compatible with standard industrial couplings and pulleys?
Yes, the keyway type shaft conforms to standard metric keyway dimensions allowing direct compatibility with most industrial mechanical components including timing belt pulleys, sprockets, and flexible couplings. The shaft diameter and keyway size are designed for seamless integration with components specified for NEMA 34 stepper motors. Always verify your specific component's keyway specifications match standard metric sizes before installation to ensure proper fit and load transmission.
What driver voltage and current specifications do I need for this stepper motor?
The NEMA 34-86HS68-3004-04J requires a stepper driver capable of delivering 3.0 amperes per phase minimum. Recommended driver voltage ranges from 24V to 48V DC, with higher voltages enabling faster stepping frequencies and improved dynamic response. The motor winding resistance of 1.0 ohm per phase with 3.8 mH inductance requires current-limiting drivers with microstepping capability. We recommend using dedicated stepper motor drivers with integrated current control and thermal protection features for optimal performance and longevity.
Can this motor operate in vertical axis applications without losing position?
Yes, the 34 kg-cm holding torque provides sufficient force to maintain position on vertical axes supporting loads up to approximately 3.4 kg without external braking mechanisms. For heavier vertical loads, implement mechanical brakes or use self-locking mechanical transmission components such as lead screws or worm gears. Always account for safety factors and conduct load testing with your specific mechanical configuration to ensure reliable holding under worst-case conditions including power loss scenarios.
When will I receive my order?
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.
Customer Support
Email: techdepotindia@gmail.com
WhatsApp: Available for setup and troubleshooting help
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