1. Product Overview
This manual provides essential information for the installation, operation, and maintenance of the YEJMKJ Through Shaft Nema 17 Stepper Motor TR8x8 200mm. This 2-phase, 1.8-degree stepper motor features a TR8x8 200mm lead screw and is designed for precise motion control in various automated systems.
Key Features
- High Torque: 0.3Nm (42.48oz·in) for stable start-up and operation.
- High Precision: Designed for demanding application needs.
- Low Noise: Optimized structure and precision windings minimize operational noise.
- Stable Power Output: Ensures smooth torque and eliminates power interruption.
- Long Service Life: Constructed with high-quality materials for extended durability.
- Wide-Ranging Applications: Suitable for 3D printers, DIY robots, CNC machines, and other automated systems.
Figure 1: Key features of the YEJMKJ Nema 17 Stepper Motor.
2. Product Specifications
Dimensional Parameters
Figure 2: Dimensional drawing of the Nema 17 Stepper Motor with TR8x8 200mm lead screw.
Electrical and Operational Parameters
Figure 3: Electrical and operational parameters of the Nema 17 Stepper Motor.
| Parameter | Value |
|---|---|
| Body Size | 42x42x34mm (1.66x1.66x1.34in) |
| Lead Screw | TR8x8 200mm |
| Installation Hole Distance | 31mm |
| Wiring | 4-Wire (Black A+, Green A-, Red B+, Blue B-) |
| Cable Length | 1M |
| Weight | 312g (13.2 ounces) |
| Step Angle | 1.8° (200 steps/rev) |
| Phase | 2 Phase |
| Holding Torque | 0.3Nm (42.48oz·in) |
| Resistance | 2.7Ω |
| Rated Current | 1.5A |
| Inductance | 4.7mH±20% |
| Rotor Inertia | Approx 48g.cm² |
| Dielectric Strength | 500V A.C 1 MINUTE |
| Insulation Resistance | 100MΩ MIN |
| Insulation Class (UL) | B (130℃) [266°F] |
| Operation Ambient Temperature | -20℃ ~ +50℃ [-4°F ~ 122°F] |
| Operation Ambient Humidity | 15%RH ~ 95%RH |
| Temperature Rise | 80K MAX |
3. Components
The YEJMKJ Nema 17 Stepper Motor is constructed from high-quality components to ensure reliable performance. Key parts include:
- Front End Cover: Protects the internal components at the front of the motor.
- Stator: The stationary part of the motor that contains the windings.
- Shaft: The rotating component, integrated with the TR8x8 lead screw.
- Rotor: The rotating part of the motor, driven by magnetic fields from the stator.
- Bearing: Supports the rotating shaft, reducing friction.
- Rear End Cover: Protects the internal components at the rear of the motor.
Figure 4: Exploded view of the Nema 17 Stepper Motor components.
4. Setup and Installation
Proper installation is crucial for optimal performance and longevity of your stepper motor. Follow these general guidelines:
- Mounting: Securely mount the motor using the designated installation holes. Ensure the mounting surface is flat and rigid to prevent vibrations. Refer to Figure 2 for installation hole distances.
- Wiring: Connect the motor to a compatible stepper motor driver. The motor features a 4-wire configuration: Black (A+), Green (A-), Red (B+), Blue (B-). Ensure correct polarity to avoid damage.
- Power Supply: Use a power supply within the recommended voltage range of 12-24V DC. Incorrect voltage can affect performance and motor lifespan.
- Lead Screw Integration: The integrated TR8x8 200mm lead screw should be properly aligned with the linear motion system it drives. Avoid applying excessive lateral force to the shaft.
Note: For specific wiring diagrams and driver configurations, consult your stepper motor driver's documentation.
5. Operating Instructions
To operate the Nema 17 Stepper Motor effectively, consider the following:
- Speed Control: The motor operates optimally within a speed range of 0-600 RPM. Higher speeds may result in reduced torque.
- Current Setting: Adjust the current on your stepper motor driver according to the motor's rated current (1.5A). Lower current settings will reduce torque and temperature rise.
- Voltage: Maintain the ideal voltage range of 12-24V DC for optimal performance.
- Environmental Conditions: Operate the motor within the specified ambient temperature (-20℃ to +50℃) and humidity (15%RH to 95%RH) ranges to prevent damage and ensure reliable operation.
6. Maintenance
Regular maintenance helps ensure the longevity and consistent performance of your stepper motor:
- Cleaning: Keep the motor and lead screw free from dust, debris, and foreign objects. Use a soft, dry cloth for cleaning. Avoid using harsh chemicals.
- Lubrication: Periodically inspect the lead screw for proper lubrication. Apply a suitable lubricant if necessary, following the recommendations for your specific linear motion system.
- Connection Check: Regularly inspect all electrical connections for tightness and signs of wear or corrosion.
- Temperature Monitoring: Ensure the motor operates within its specified temperature rise limit (80K MAX). Excessive heat can indicate an issue with current settings or load.
7. Troubleshooting
If you encounter issues with your stepper motor, consider the following common troubleshooting steps:
- Motor Not Moving/Stalling:
- Check power supply voltage and current settings.
- Verify wiring connections to the driver.
- Ensure the motor is not overloaded. Reduce load if possible.
- Check for mechanical obstructions in the linear motion system.
- Excessive Noise/Vibration:
- Check motor mounting for looseness.
- Verify lead screw alignment.
- Adjust micro-stepping settings on the driver if applicable.
- Overheating:
- Reduce the motor current setting on the driver.
- Ensure adequate ventilation around the motor.
- Check if the motor is operating under excessive load.
If problems persist after attempting these steps, contact customer support for further assistance.
8. Applications
The YEJMKJ Through Shaft Nema 17 Stepper Motor with TR8x8 200mm lead screw is versatile and suitable for a variety of precision motion control applications, including:
- 3D Printers: For Z-axis or extruder drive systems requiring precise linear movement.
- DIY Robots: In robotic arms or other automated projects for controlled linear actuation.
- CNC Machines: For small-scale CNC routers, engravers, or milling machines.
- Automation Machines: In various industrial or hobby automation setups requiring accurate positioning.
Figure 5: Multiple applications of the Nema 17 Stepper Motor.
9. Important Safety Information
- Always disconnect power before performing any installation, maintenance, or troubleshooting.
- Ensure proper grounding to prevent electrical shock.
- Do not operate the motor beyond its specified voltage and current ratings.
- Avoid touching the motor during operation as it may become hot.
- Keep the motor away from water, moisture, and corrosive environments.
- Do not attempt to disassemble or modify the motor, as this may void the warranty and pose safety risks.
10. Video Resources
For a visual overview of the YEJMKJ Through Shaft Nema 17 Stepper Motor TR8x8 200mm, please watch the following video:
Video 1: Overview of the YEJMKJ Through Shaft Nema 17 Stepper Motor TR8x8 200mm. This video provides a brief visual introduction to the product and its features.
11. Warranty and Support
This YEJMKJ product is covered by a standard manufacturer's warranty. For detailed warranty terms, technical support, or service inquiries, please refer to the official YEJMKJ website or contact their customer service directly. Keep your purchase receipt for warranty claims.
