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Taper Grinding Saw Blades
Glorious Fall weather has coincided with some free time. I haven't really touched saw making for more than a year but today I had an opportunity to make some taper ground backsaw blades that I've been meaning to get to for a long time now :B.
It occurred to me that although I've described the process I use I've never posted pictures so here goes.
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Saw Blade Taper Grinding Machine v. 3.5
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Blade Grind Profiles of three Golden Era Disston No. 77's
Here are the saws. Two are 12" and one is 8".
Attachment 457618
The etches are a little hard to see on the 12" saws but here are some better shots.
Attachment 457619Attachment 457617
Here are some graphics depicting the profiles.
First the 12" saws.Attachment 457623
This is what the 8" saw looks like.
Attachment 457622
Now comparing the three saws over the first four centimeters up from the toothline.
Attachment 457624
Finally the average deviations for each saw.
Attachment 457620