1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your HLTNC 1.5KW 65mm ER11 Air Cooled Spindle. Please read this manual thoroughly before using the product to ensure proper function and longevity.
The HLTNC GDZ-65-1.5 spindle is a high-performance component designed for CNC wood engraving and milling machines. It features a robust motor, air cooling for efficient heat dissipation, and an ER11 collet system for precise tool holding.
2. Specifications
The following table details the technical specifications of the HLTNC GDZ-65-1.5 Air Cooled Spindle:
| Attribute | Value |
|---|---|
| Brand Name | HLTNC |
| Model Number | GDZ-65-1.5 (GDZ-65-800F) |
| Drive | Motor |
| Operating Speed | 24000 Rpm |
| Frequency | 400Hz |
| Power | 1.5Kw |
| Diameter | 65mm |
| Collet Type | ER11 |
| Cooling Type | Air Cooling |
| Application | Milling, Wood Engraving |
| Size | 65x188mm |
| Certification | CE |
| Origin | Mainland China |
| Voltage Options | 110V, 220V |
| Bearings | 4 Pcs |
3. Setup and Installation
3.1 Unpacking and Inspection
Carefully remove the spindle from its packaging. Inspect the spindle for any signs of damage during transit. Ensure all components listed in the packing list are present. If any damage or missing parts are found, contact your supplier immediately.
3.2 Electrical Connection
The spindle requires a 3-phase power supply (110V or 220V depending on the model) and a Variable Frequency Drive (VFD) for operation. Proper wiring is crucial for safety and performance. Refer to the diagram below for connection details.
- **No. 1: Connect to U** (Phase U)
- **No. 2: Connect to V** (Phase V)
- **No. 3: Connect to W** (Phase W)
- **No. 4: Connect to Ground** (Ensure proper grounding for safety)
WARNING: All electrical connections should be performed by a qualified electrician. Ensure the power supply is disconnected before making any connections.
3.3 Mounting the Spindle
Mount the spindle securely onto your CNC machine's Z-axis or spindle mount. Ensure the mounting is rigid and free from vibrations. The spindle should be mounted vertically for optimal performance and cooling. Use appropriate clamps or brackets designed for 65mm diameter spindles.
3.4 Collet and Tool Installation (ER11)
The spindle uses an ER11 collet system. Follow these steps to install a collet and tool:
- Ensure the collet nut and collet are clean and free of debris.
- Insert the collet into the collet nut, ensuring it snaps into place correctly.
- Insert the cutting tool into the collet. The tool shank should be inserted deep enough to ensure secure gripping, typically at least 2/3 of the collet's length.
- Thread the collet nut assembly onto the spindle shaft.
- Tighten the collet nut firmly using the appropriate wrench. Do not overtighten.
3.5 Air Cooling
This is an air-cooled spindle. Ensure that the cooling fins and air inlets/outlets are not obstructed. Adequate airflow around the spindle is essential to prevent overheating during operation.
4. Operating Instructions
4.1 Pre-Operation Checks
- Verify all electrical connections are secure.
- Ensure the spindle is properly mounted and the tool is securely installed in the collet.
- Check for any obstructions around the spindle that might impede airflow or movement.
- Confirm that the VFD parameters are correctly set for the spindle (e.g., max frequency 400Hz, max RPM 24000).
4.2 Starting the Spindle
Start the spindle through your VFD or CNC controller. It is recommended to gradually increase the spindle speed to the desired operating RPM. Avoid sudden acceleration to prolong bearing life.
4.3 Speed Control
The spindle operates at a maximum speed of 24000 RPM with a frequency of 400Hz. Adjust the speed via your VFD according to the material being machined and the cutting tool specifications. Operating outside the recommended frequency range can damage the spindle.
4.4 Milling Operations
Always wear appropriate personal protective equipment (PPE) during operation, including safety glasses and hearing protection. Monitor the spindle for unusual noises or vibrations. If any abnormalities occur, stop the operation immediately and investigate.
5. Maintenance
5.1 Regular Cleaning
Regularly clean the exterior of the spindle, especially the cooling fins and air vents, to ensure efficient heat dissipation. Use compressed air to remove dust and debris. Keep the collet and collet nut clean to maintain tool gripping accuracy.
5.2 Bearing Care
The spindle is equipped with 4 bearings. While these are typically sealed and require no lubrication, avoid subjecting the spindle to excessive radial or axial loads beyond its design limits. Proper tool balancing and gentle handling will extend bearing life.
5.3 Storage
When not in use for extended periods, store the spindle in a clean, dry environment, protected from dust and moisture. It is advisable to apply a light coat of rust preventative to exposed metal surfaces if storing in a humid environment.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Spindle does not start | No power, VFD error, wiring issue. | Check power supply, VFD fault codes, and wiring connections (refer to Section 3.2). |
| Excessive noise or vibration | Unbalanced tool, loose mounting, worn bearings, VFD parameter mismatch. | Check tool balance, tighten mounting bolts, inspect bearings (if accessible), verify VFD settings. |
| Spindle overheats | Obstructed airflow, prolonged heavy load, incorrect VFD settings. | Clear air vents, reduce load, check VFD frequency and voltage settings. |
| Poor cutting performance | Dull tool, incorrect speed/feed, loose tool, spindle runout. | Replace tool, adjust cutting parameters, re-tighten collet, check spindle for runout. |
7. User Tips
- **Proper Grounding**: Always ensure your spindle and VFD are properly grounded to prevent electrical hazards and interference.
- **VFD Parameter Setup**: Take time to correctly configure your VFD parameters according to the spindle's specifications (max frequency, voltage, current). Incorrect settings can lead to damage.
- **Tool Balancing**: For high-speed operations, using balanced tools can significantly reduce vibration and extend the life of your spindle bearings.
- **Break-in Procedure**: When using a new spindle, it's good practice to run it at low RPM for a short period (e.g., 30 minutes at 5000 RPM, then gradually increase) to allow bearings to seat properly.
- **Clean Air Supply**: If using an air-cooled spindle in a dusty environment, consider adding a filter to the air intake to prevent debris from entering the motor.
8. Warranty and Support
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact HLTNC Official Store customer support. Provide your product model number (GDZ-65-1.5) and a detailed description of the issue.
HLTNC is committed to providing quality products and comprehensive support. Please refer to the seller's terms for specific warranty periods and service details.
