1. Chapter 20 Sharpening Tools

2. Sharpening − chisels/planes Procedure Grinding Sharpening/honing Backing off (remove the burr) Grinding Sharpening

3. When to grind? You grind the blade when It has worn down It has been damaged It has been rounded over by incorrect sharpening

4. Sharpening process − Sharpening stones

5. Sharpening angles Grinding angle – 25 degrees Sharpening angle – 30 degrees

6. Sharpening − saws Process Hold saw in the vice and file the teeth level The teeth are reshaped to a fine point using a triangular file Every second tooth must be bent (set) to the side using a saw set

7. Quiz

8. Name the piece of sharpening equipment in the pictures below − Slipstone − Oilstone/honing stone

9. Grinding angle Sharpening angle 25° 30° 25° 30° What are the correct angles associated with sharpening the blade of a plane?

10. Name this tool and describe why it is important Sawset – The sawset bends every second tooth of a saw to one side – This ensures that when the saw cuts a piece, the blade does not get stuck in the groove or kerf

11. Oil is used to keep the stone lubricated and to stop the stone getting clogged What is used to lubricate this sharpening stone?