Charnwood Drive Centre - CDC25
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Product Information
Full details
The Charnwood Drive Centre - CDC25 is designed for woodturners who need to turn spindles without removing their chuck from the lathe. Its key benefit is a powerful, secure grip on the workpiece via 20 sharp teeth, allowing for efficient spindle turning. A potential caveat is its specific compatibility requirements with certain chuck models, though it fits most other makes.
All features
| Model Part Number | CDC25 |
|---|---|
| Brand | Charnwood |
Extended Product Information
FAQs
Can I use this drive centre with any woodturning chuck?
The Charnwood Drive Centre CDC25 is specifically designed for Charnwood W836, W840, Viper 2, Viper 3, Viper 5 & Nexus 3 chucks. However, it is designed to be compatible with most other makes of chuck that can securely grip its 25mm (1″) body.
What is the primary advantage of using this drive centre?
The main advantage is the ability to turn spindles without having to remove your primary chuck from the lathe. The spring-loaded centre point and 20 sharp teeth provide a secure drive, allowing for efficient spindle turning.
What are the dimensions of the drive centre?
The diameter of the body is 25mm (1″), the diameter of the crown teeth is 20mm (3/4″), the overall length is 55mm (2″), and the diameter of the chuck insert end is 19mm (3/4″). The width of the jaw clamping channel is 9mm (3/8″).
Is this suitable for faceplate turning?
This drive centre is primarily designed for spindle turning. For faceplate turning, you would typically use a faceplate or a chuck with appropriate faceplate jaws.
How do I ensure a secure grip on the workpiece?
Ensure the drive centre is securely held by the chuck jaws. Apply steady tailstock pressure to engage the spring-loaded centre point, allowing the 20 sharp teeth to bite firmly into the wood. The effectiveness of the grip depends on the wood density and the pressure applied.
Can I use this with very hard woods?
Yes, it can be used with hard woods. The sharp teeth are designed to bite into various wood densities. Ensure sufficient tailstock pressure is applied for proper engagement.
What maintenance is required?
Keep the drive centre clean by removing sawdust and debris after use. Check the spring mechanism periodically for smooth operation and store it in a dry environment to prevent rust.
Troubleshooting
Drive centre not gripping the wood securely.
Ensure the drive centre is fully inserted into the chuck jaws and securely tightened. Verify that the tailstock is providing sufficient pressure to engage the teeth into the wood. Check that the spindle blank is positioned correctly and the teeth have a good surface to bite into. Ensure the wood is not too soft to be gripped effectively.
Spring-loaded centre point is stiff or not retracting.
Remove the drive centre from the chuck and clean any debris from around the centre point and spring mechanism. A light application of penetrating oil might help, but ensure any excess is wiped away before use. If stiffness persists, the unit may require professional servicing or replacement.
Centre point doesn't engage easily with the spindle blank.
Ensure the spindle blank end is reasonably flat and not severely angled. Make sure the tailstock is aligned correctly with the headstock centre line. Advance the tailstock steadily until the centre point makes contact and begins to retract.
Pros and Cons
Pros
- Enables spindle turning without removing the chuck.
- Provides a very secure grip on workpieces.
- Compact size allows for good access.
- Compatible with a wide range of chucks.
- Saves time by reducing setup changes.
Cons
- Primarily designed for spindle turning, may not suit all faceplate operations.
- Requires a compatible chuck for proper function.
- Requires careful alignment with the tailstock for initial engagement.
- The teeth can mark softer woods if excessive pressure is applied during setup.
Setup, Compatibility & Care
Setup:
- Ensure your lathe is stopped.
- Mount your compatible chuck onto the lathe spindle.
- Insert the Charnwood Drive Centre CDC25 into the jaws of your chuck. Ensure it is held securely.
- Align the centre point of the drive centre with the end of your spindle blank.
- Advance the tailstock until the spring-loaded centre point makes contact with the spindle blank.
- Apply gentle pressure with the tailstock to retract the centre point and allow the 20 teeth to bite into the wood, creating a secure drive.
- Once the drive centre is firmly engaged, you can retract the tailstock slightly, depending on your turning requirements, while maintaining sufficient pressure for a secure grip.
Compatibility:
This drive centre is designed for use with Charnwood W836, W840, Viper 2, Viper 3, Viper 5 & Nexus 3 chucks. It is also compatible with most other makes of chuck that can securely hold the 25mm (1″) body of the drive centre. The jaw clamping channel width is 9mm (3/8″).
Care:
- After use, remove any sawdust or debris from the teeth and body of the drive centre.
- Periodically check the spring mechanism for smooth operation.
- Store in a dry place to prevent rust.
- Avoid dropping the drive centre, as this can damage the teeth or the spring mechanism.