Do Bowl Turners want better tools? - Woodworking Talk - Woodworkers Forum
 
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post #1 of 5 Old 02-15-2008, 11:32 AM Thread Starter
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Do Bowl Turners want better tools?

Hi, I have looked at three types of bowl turners and bought one, the tip was supposed to be sellite, they spelled it seelite. It was from New Zeland, and purchased from an american firm. The tip which should rockwell from 62 to 72 Rc scale was only 32 Rockwell. Obviously the reason was that they silver soldered on the "replacable" tip, and in so doing the tip had to be around 1200 digrees, which coincidentally is the annealing temperature for any M2 steel. Is there an interest in better tools for bowl turners? e-mail me if you think so [email protected]
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post #2 of 5 Old 02-18-2008, 08:11 AM
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WOW Sltuttle I dont have a clue what you just said. LOL But I think your question would have a better chance of being answerd in the wood turning section. LOL good luck

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post #3 of 5 Old 04-18-2008, 06:47 AM
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Steel hardess testing

FWIW,
There are several hardness scales for iron/steel, one of which is the rockwell scale - the higher the number, the harder the material. The material is tested by driving a round tipped punch of a given diameter into the sample with a given force. The depth of penetration shows the hardness.

I got the knowledge of steel hardness testing in Leonard Lee's book The Complete Guide to Sharpening. I highly recommend it, as the best sharpening guide I've read. Leonard Lee is the man who founded Lee Valley Tools and Veritas.

There may be other books on sharpening that are just as useful, but I haven't found them yet. Leonard Lee talks about all kinds of neat stuff in the book. I found it in my local library. I've checked it out several times, and gone in to refer to it even more frequently. My Daddy taught me to sharpen pocket knives when I was in 2nd grade, and Leonard Lee's explanations remind me of the way Daddy taught me, so that may color my judgement. Other folks might find someone else's style more beneficial, which is fine. If we were all the same, it'd be a far less interesting world.

allen norris
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post #4 of 5 Old 04-18-2008, 10:07 AM
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I bought that book too Allen, and I agree with your assessment of it. It is an excellent resource for anyone who wants to better understand how to sharpen tools.

Gerry
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post #5 of 5 Old 04-18-2008, 01:30 PM
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I had a machinest show me how to sharpen drill bits once. After years of grinding the bits down to the nub, watching him do it was like a light bulb going off ontop of my head. I learnd from my grandpa how to sharpen wood chisles when I was young. And I know about the grading of bolts, but I never heard of the rockwell scale. That some good information allenn. I guess you can teach an old dog new tricks.

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Last edited by Handyman; 04-18-2008 at 01:33 PM. Reason: caint spell
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