Curtiss Knives
KD Founding Member #1, Knifemaker
This was posted on another forum I belong to and written by Tim Galyean:
Here are a few hollow grinding tips that I thought I would share with you.
1. Start slow.
2. To start out dull the edges of your belts, especially the 60 grits. you will get nice a nice radius at the tops of you plunges.
3. Radius the corners of your contact wheel with a file so there is about a 1/16" radius in the corners.
4. Put a slight crown in your contact wheel. It really helps out when putting on a false edge. You can see the light gap between the tip and the belt so your false edge comes right to the tip.
5. Grind your false edge with a 120 grit belt to start. You are not removing that much material and it is easier to control and clean up.
6. Work your plunges back. Dont start them where you want them to end up, work them back as your bevel height increases.
7. Learn to work your push stick. To raise your bevel height put a little bit of heel pressure with it.
8. Keep your hands in your gut!
9.When trying to clean up the plunge area try to use your little finger on the hand that you have your push stick in for a rest. Steady yourself with it. It is very hard to just go right up to the plunge without being steady.
10. Keep your hands in your gut!
Also, here is a link for knifemaker's terminology: http://www.jayfisher.com/knife_anato...rts,_names.htm
If you have any tips to add, please do. 2thumbs
Here are a few hollow grinding tips that I thought I would share with you.
1. Start slow.
2. To start out dull the edges of your belts, especially the 60 grits. you will get nice a nice radius at the tops of you plunges.
3. Radius the corners of your contact wheel with a file so there is about a 1/16" radius in the corners.
4. Put a slight crown in your contact wheel. It really helps out when putting on a false edge. You can see the light gap between the tip and the belt so your false edge comes right to the tip.
5. Grind your false edge with a 120 grit belt to start. You are not removing that much material and it is easier to control and clean up.
6. Work your plunges back. Dont start them where you want them to end up, work them back as your bevel height increases.
7. Learn to work your push stick. To raise your bevel height put a little bit of heel pressure with it.
8. Keep your hands in your gut!
9.When trying to clean up the plunge area try to use your little finger on the hand that you have your push stick in for a rest. Steady yourself with it. It is very hard to just go right up to the plunge without being steady.
10. Keep your hands in your gut!
Also, here is a link for knifemaker's terminology: http://www.jayfisher.com/knife_anato...rts,_names.htm
If you have any tips to add, please do. 2thumbs