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Sharpening hand saws

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Forum topic by MrRon posted 11-02-2014 05:44 PM 691 views 0 times favorited 2 replies Add to Favorites Watch
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MrRon

3926 posts in 2705 days


11-02-2014 05:44 PM

I was reviewing several posts on handsaw sharpening that I had responded to with a reply. I made the statement that the files used had a “safe” edge. That was wrong. The files used are single cut, taper files. The corners are cut so it can file both sides of the tooth at the same time. The gullets on hand saws are sharp and conform to the shape of the file. It has been a long time since I sharpened hand saws, so please forgive me for the misinformation. Files as used on a machine, are only good for 3 saw blades before they are too dull to work. I would suspect doing a saw by hand would see similar file life. The following sketch shows the correct relationship of file size to tooth depth. The tooth is filed using less than half of the files surface. This allows for 3 sharpenings on one file.


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Charlie

1100 posts in 1748 days


#1 posted 11-02-2014 05:48 PM

That “3 sharpenings per file” assumes you’ve found saw files of good enough quality that one “side” will do an entire saw from end to end :)
It’s hard to find good saw files any more that don’t cost way more than they’re worth.

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MrRon

3926 posts in 2705 days


#2 posted 11-02-2014 06:50 PM

You need to contact a sharpening supply house for saw files. Grobert makes good files. I believe they are from Switzerland.

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