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Thread: Saw Making Folded Backs
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2nd January 2014, 08:23 AM #61
For the pictured saw the plate is 0.015". On it I used what you call the side entry technique. I work them down from the toe to the heel using lithium grease. Once the back is pretty much in place I tap it down from above to produce even tension in the plate. With thinner stock it usually takes more adjusting to get the tension right. Given my experience to date I could probably use a slightly thinner plate or a taper-ground thicker plate. Working on taper grinding now and the results so far are good. When I'm happy with the outcome I will post more information.
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2nd January 2014, 08:34 AM #62
If you're patient and use a good soft face hammer, like Wiha makes, you can get good results. In this photo the top two backs are made by hammering, the rest are pressed. It took me the better part of a day to make 1 back by the hammering method. I made a dozen pressed backs in an afternoon.
Batch 1 photo 1.jpg
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2nd January 2014, 01:01 PM #63
Well, well, looks like we have new saw making kid on the block .
And from the pics so far ,looks like he's a professional at his game .
I best lift my game ,and get on with it the bar has just been moved again.
Sent from my iPhone using Tapatalk 2
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14th January 2014, 09:05 AM #64Deceased
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Are these your folded backs being sold on ebay Rob.
Heavy Folded Brass Saw Back for Dovetail Saw Make A Your Own Saw | eBay
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14th January 2014, 09:21 AM #65
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15th January 2014, 01:36 PM #66
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15th January 2014, 02:00 PM #67
Murdered my TC bandsaw blade
At this point I am stopped on making the backs. I killed my TC bandsaw blade by cutting stainless. I plan to post an article here covering my conversion of the single phase single speed wood working saw to three phase variable speed wood and metal working saw. Still waiting for parts.
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18th January 2014, 02:34 PM #68
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31st January 2014, 12:04 PM #69
Taper grinding saw plates and installing stainless steel folded backs X 2
One afternoon recently I had occasion to use my Wenzloff & Sons 4 t.p.i rip saw for a small project. I have long been aware that Mike W. is known for making tapered saw plates among other things. The light just happened to be right while I was cleaning the saw and I saw it: I could see the machining marks of the tapering and I knew in an instant exactly how he had done it. I won't reveal the secret because I think it would be inappropriate to do so. Nonetheless, I had discovered his secret. I at once began thinking about how to reproduce, or if possible better the technique. By and by I eventually realized how I could make tapered saw plates and, in my opinion, make them better, faster and cheaper.
Today I put the proposal to the test. These are the results.
The steel is 0.025" 1095 cut to 12 and ~20 inches. The depth of both plates is right at 5.5". I applied my method first to the 12" plate. Here are the results.
At the proximal end (nearest the camera), right at 18-18.5 thousandths:
18.5 at the proximal end.jpg
In the middle:
plate 2 middle.jpg
And finally at the distal (furthest from camera).
18.5 at the distal end.jpg
So far, so good. Now I tried it with the ~20 inch plate.
Proximal:
Well, I can't get photo's to upload just now so I will add more later.
Cheers,
Rob
plate two proximal end.jpg
At the middle:
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31st January 2014, 03:09 PM #70Deceased
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Flap disc grinding & polishing.
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31st January 2014, 03:18 PM #71
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31st January 2014, 05:48 PM #72
Rob .. if you're having the same issue I've had for a week or more, you can still upload 1 photo at a time - which is a pain - using the Basic Uploader option.
It looks like you are 'grinding' uniformly along the length of the blade? Not like the classic handsaw with the semi-radial tapering from the tip?
I posted some videos on backsaw.net of japanese knife craftsmen with biggish wheels grinding away ...
Grinding a saw blade - Saw Discussion Forums
(a broken link, at the moment, ... A Day at the Sheffield Cutlery Works - Saws - The Penny Magazine, 04/1844)
I wonder if you could "cook your own" grinding wheel to come up with something say 18"x4" ?
Or just shape a piece of limestone and see how it goes?
We have a poured limestone tile here that I was flattening course oilstones on 3 years ago when I was just started learning enough to be dangerous.
Cheers,
Paul
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31st January 2014, 08:01 PM #73
I think Ray & Josh were experimenting with taper grinding on the surface grinder. I wonder what the results ended up being?
…..Live a Quiet Life & Work with your Hands
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31st January 2014, 10:39 PM #74
Nothing new under the sun ...
How To Make a Grinding Wheel - Tools and Tool Making - Bladesmith's Forum Board
old world grinding meets the modern west - Tools and Tool Making - Bladesmith's Forum Board
Making you own grinding wheel!!
Homemade grinding wheel in Bladesmithing/Knifemaking Archive 1 Forum
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31st January 2014, 11:02 PM #75
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