Perhaps this is a little off topic for all you knife makers, so I hope you don't mind and can help me with this. I suspect I know the answer but need a little feedback.
I made my own handplane blades from A2 tool steel, hardened to Rc 59 and 61 with a 25 degree bevel. The bevel and the blade (flat) was ground on a grinder from a machine shop (this may be my problem). When I plane an oak board I get minute chipping along the cutting surface almost immediately. Is my grinder creating too much heat and hardening/softening the cutting edge? Should I slow down the feed rate? Do I have to avoid the grinder? What grinding speed and wheel do you recommend?
What are your recommendations. Thank you.
Vlad
I made my own handplane blades from A2 tool steel, hardened to Rc 59 and 61 with a 25 degree bevel. The bevel and the blade (flat) was ground on a grinder from a machine shop (this may be my problem). When I plane an oak board I get minute chipping along the cutting surface almost immediately. Is my grinder creating too much heat and hardening/softening the cutting edge? Should I slow down the feed rate? Do I have to avoid the grinder? What grinding speed and wheel do you recommend?
What are your recommendations. Thank you.
Vlad
