To sharpen a dovetail router bit, based on the provided reference, you should avoid sharpening the profile edge and instead rub the flat side of the cutter against a diamond paddle.
Sharpening router bits helps maintain their cutting efficiency and prolongs their lifespan. For certain types of bits like dovetail bits that have flat cutting surfaces on their sides, the technique described in the YouTube clip focuses on honing these flat surfaces.
The Sharpening Process
The essential step highlighted in the reference is focusing on the flat cutting surfaces, not the angled profile that forms the dovetail shape.
Here's a breakdown of the technique:
- Identify the Sharpening Surface: Do not attempt to sharpen the angled or curved profile edge of the bit. Look for the flat side(s) of the cutter surfaces. These are the areas you will work on.
- Prepare Your Tool: The reference suggests using a diamond paddle. You might find it helpful, as mentioned, to clamp the diamond paddle securely to your workbench. This keeps it steady while you work.
- The Sharpening Action: Rub the flat side of the router bit's cutter against the surface of the diamond paddle. Maintain a consistent angle to ensure even sharpening. A few strokes on each flat surface should be sufficient to refresh the edge.
This method restores the sharpness to the part of the bit that does the primary cutting work on the sides of the joint, without altering the crucial angle that defines the dovetail shape.
Quick Reference
| Action | Status | Notes |
|---|---|---|
| Sharpen profile edge | DON'T | Avoid touching the angled dovetail profile. |
| Sharpen flat side | DO | Use a diamond paddle on flat cutter surfaces. |
| Use Diamond Paddle | DO | Recommended tool for sharpening. |
| Clamp Paddle | DO | Helps stabilize the tool. |
By following this method, you can effectively sharpen your dovetail router bit and keep it performing optimally for your woodworking projects.
