AHG (and sometimes U)

AcornHouse

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4 broken extra fine blades, 1 broken fine blade, many expletives later...

IMG_20240409_124854587~2.jpg

I may do a little touching up with the file, especially when you look from 2" away.

IMG_20240409_125005016~2.jpg
 
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Stuball48

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My concentration level is at an "all time high" just watching you cut. Hard to imagine the concentration it takes to cut inlays.
 

AcornHouse

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Here's the tweaked leaf close-up. There's one bit that I'd like to do further, but my fine needle rifflers are too big to get in there.
So people should only view it 3" or further away.

IMG_20240409_151245398~2.jpg
 
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AcornHouse

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I can understand sharpening a chainsaw but to sharpen the saw you cut the fret slots with must take a special jig--sharpening those small teeth must take the touch of a surgeon.
And, speaking of sharpening.

IMG_20240412_104901754.jpg

Alternate teeth get sharpened at alternate angle. So you work down the blade, skipping every other tooth. Switch to the other side, and do the same on the other teeth. Just a couple of light strokes per tooth.

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It's easy to see which teeth you've hit with the proper angle light.

IMG_20240412_104840673~2.jpg
 

Stuball48

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And the angle (60*) Is the correct angle of saw teeth? The shiny edge of teeth just sharpened look good
 

AcornHouse

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And the angle (60*) Is the correct angle of saw teeth? The shiny edge of teeth just sharpened look good
Saws are sharpened in two basic patterns: rip and crosscut. In a rip saw, it goes with the direction of the grain and the teeth are filed 90⁰ like tiny chisels. For cross cuts, which is what happens here, there are angled to be more of a knife cut to cut the fibers of the wood. Because of the size of the saw I'm not doing too big of an angle. The bigger the saw, the more exaggerated the angle becomes.
True saw sharpening experts will have precise angles and talk of fleam, but for my purposes, as long as they're more or less the same, it'll do the job. It's certainly cutting better and faster now.

Roy Underhill (PBS's The Woodwright's Shop) had a good demonstration of the differences using a straw broom but I can't find that video excerpt. Here's the UK sharpening guru.

 

Stuball48

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Saws are sharpened in two basic patterns: rip and crosscut. In a rip saw, it goes with the direction of the grain and the teeth are filed 90⁰ like tiny chisels. For cross cuts, which is what happens here, there are angled to be more of a knife cut to cut the fibers of the wood. Because of the size of the saw I'm not doing too big of an angle. The bigger the saw, the more exaggerated the angle becomes.
True saw sharpening experts will have precise angles and talk of fleam, but for my purposes, as long as they're more or less the same, it'll do the job. It's certainly cutting better and faster now.

Roy Underhill (PBS's The Woodwright's Shop) had a good demonstration of the differences using a straw broom but I can't find that video excerpt. Here's the UK sharpening guru.


Thank you
 

Stuball48

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Your work amazes me. You ever think about building a Railroad Grade pocket watch?
 
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