Given my penchant for for acquiring old tools and restoring them to useable condition, I feel like there is a strong possibility I am going to spend a lot (more) of my time lapping tools. Sometimes something like an old chisel can take half an hour of rubbing the back in circles before I'm ever even ready to consider attacking the bevel. While very rewarding, this isn't particularly fun, and if I could find a better way to do it then I'd be all over that.
So how do you guys lap metal tools - new or old? I hear that plate glass works and so does granite. There are also some commercial lapping plates out there. Anyone have any experience with these?
For people who use granite or glass, where do you get it (preferably for free)?
Also, what do you do when you come across an old #7 or #8 plane? Something long which is in genuine need of flattening. Given that these are longer than a sheet of sandpaper, I find it tricky to get them flat. I restored a #7 a while back and it has become obvious to me that it needs to be ground flat again.
Open to any kind of suggestions, feedback, or anecdotes about lapping and how to do it quickly and effectively.
Thanks a lot in advance,
Luke
So how do you guys lap metal tools - new or old? I hear that plate glass works and so does granite. There are also some commercial lapping plates out there. Anyone have any experience with these?
For people who use granite or glass, where do you get it (preferably for free)?
Also, what do you do when you come across an old #7 or #8 plane? Something long which is in genuine need of flattening. Given that these are longer than a sheet of sandpaper, I find it tricky to get them flat. I restored a #7 a while back and it has become obvious to me that it needs to be ground flat again.
Open to any kind of suggestions, feedback, or anecdotes about lapping and how to do it quickly and effectively.
Thanks a lot in advance,
Luke
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