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Thread: Negative rake scrapers.......
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6th February 2019, 07:49 PM #16
Thanks Neil , I appreciate your help and advice also the research you have made in the past , I will try the 35ºincluded angle on one of my other scrapers and report the
progressCheers smiife
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8th February 2019, 09:50 PM #17GOLD MEMBER
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Bit slow to reply as I think my brain is also waterlogged. I have been persisting with some crap chinesium HSS that won't hold an edge. I dropped in on Robohippy last year and had a look at all his gear and I decided to go for a better quality steel. Well I ran out of time to pick anything up while I was there so when I got home, I just caught the Prossie Turnout and I bought a Thompson skew off SEQld Woodworking Supplies. RETIRED kindly reground it on Scotty's CBN wheel and I took a while to make a handle to suit it's rectangular tang. I mainly turn Qld Maple and Maple Silkwood, both furry timbers and also prone to bruising from rubbing the bevel. Well I could not believe how good this NRS worked and the edge has not blunted after 3 months of use.
BTW, I don't use a burr, keep it razor sharp and use it at about 45°.
Rgds,
Crocy.
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9th February 2019, 06:22 PM #18
Hi crocy , good to hear it works for you too!
I am just a bit confused about what the angle should be ,
Some say 35º others say 60º........
I have done mine with a 60º on one side and 30º on the other side !
Is that the right angle ?
My other scraper Is 60º and 15º......
Some have said both angles should be the same........confused.....you bet yah!
Oh, by the way hope the weather has not done too much damage to you .....Cheers smiife
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18th February 2019, 08:23 PM #19GOLD MEMBER
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Ok, sorry for the delay, been flat out derusting and lubricating everything in the shed. Here is the converted skew I am using and the angle gauge says 70°.
Rgds,
Crocy.
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19th February 2019, 07:31 PM #20
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