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Woodturning (rec.crafts.woodturning) To discuss tools, techniques, styles, materials, shows and competitions, education and educational materials related to woodturning. All skill levels are welcome, from art turners to production turners, beginners to masters. |
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#1
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Honing Woodturning Tools
Hei Keith,
Down here in Australia we use a white grinding wheel which is a finer grit than the normal wheel and takes off less steel. If you use a jig to get your angle right you don't take off a lot of metal. Cheers Paul On Fri, 14 Jan 2005 04:13:28 -0800, "Keith Young" wrote: Hi Me again. I have a grinder but as somebody said to use it to hone tools is a bit wasteful. Bought myself a Mill file to hone the tools. Most of my tools are HSS. Did i buy the proper file. If not , what is the best file or sharpening instrument to get to keep a sharp edge on these tools. Yours most sincerely Keith in Newfoundland Unless otherwise stated all references to location refer to Western Australia |
#2
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Keith
Get an aluminum oxide wheel for the grinder, preferably 80 grit although finer will do with a jig, and make or buy a sharpening jig. See my site for an idea. If you are going to try to file the tool, you are far better off sharpening on the grinder. Turners sharpen on a grinder, generally speaking. -- God bless and safe turning Darrell Feltmate Truro, NS Canada www.aroundthewoods.com |
#3
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I just took a class from Alan Lacer. He sharpened tools on the grinder
with a white or blue wheel. He also had a diamond hone in his pocket. Each time he picked up a tool he gave it a few swipes with the hone. Made sense to me. Walt C |
#4
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Trying to sharpen chisels with a file would be my worst nightmare. Use
the grinder sparingly and hone with a diamond hone for touch up of the edge between grindings. Steven Raphael Ithaca MI http://www.geocities.com/steven_raph...turnings1.html "Keith Young" wrote in message ... Hi Me again. I have a grinder but as somebody said to use it to hone tools is a bit wasteful. Bought myself a Mill file to hone the tools. Most of my tools are HSS. Did i buy the proper file. If not , what is the best file or sharpening instrument to get to keep a sharp edge on these tools. Yours most sincerely Keith in Newfoundland |
#5
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On Fri, 14 Jan 2005 04:13:28 -0800, "Keith Young"
wrote: Hi Me again. I have a grinder but as somebody said to use it to hone tools is a bit wasteful. Bought myself a Mill file to hone the tools. Most of my tools are HSS. Did i buy the proper file. If not , what is the best file or sharpening instrument to get to keep a sharp edge on these tools. Yours most sincerely Keith in Newfoundland We use the"rubber bonded grinding wheel" that came with the Shopsmith over 20 years ago... (you can tell how much it got used before my wife took over the sharpening) One thing that I miss, going from turning on the SS to the Jet Mini, is the rear shaft.... I'd just gotten into the habit of keeping the wheel on it when I was turning, to touch up/ clean the tools... lol mac Please remove splinters before emailing |
#6
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Actually Keith, what you need is an aluminum oxide wheel with a friable
bond. Color does not matter and if you use jigs, just about any color will do. I find the white wheels have too friable a bond for my taste. they grind away too quickly and they are expensive. Using a jig will speed up your sharpening and save wear and tear on the stone and the steel. -- God bless and safe turning Darrell Feltmate Truro, NS Canada www.aroundthewoods.com |
#7
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Trash the file Keith. You already had the best tool for the job. Just get
a good wheel for the grinder. That's either a pink or white wheel. 80 or 100 grit is good. Buy yourself a Wolverine jig and learn to use it. Use a light touch and it won't be so wasteful of your tool steel. You can't learn to turn well until you learn to sharpen well. You're learning two (2) skills at once here. If you must "hone" your tools, use a credit card size diamond stone. Barry "Keith Young" wrote in message ... Hi Me again. I have a grinder but as somebody said to use it to hone tools is a bit wasteful. Bought myself a Mill file to hone the tools. Most of my tools are HSS. Did i buy the proper file. If not , what is the best file or sharpening instrument to get to keep a sharp edge on these tools. Yours most sincerely Keith in Newfoundland |
#8
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Barry N. Turner wrote:
Trash the file Keith. You already had the best tool for the job. Just get a good wheel for the grinder. WADR, there are those of us who like to get things done quickly, precisely, and with relatively little build-up of heat, resulting in remarkable sharpness. For which a small belt-and-disc sander with a wheel full of buffing compound replacing the disc has it all over grinders, IMHO. Take a look at http://www.bigtreetools.com/sharpeningmachine.html , and add Darrel Feltmate's gouge jigs. And do buy from Jon, if you can see your way clear. He did invent this thing, and he's a good guy. Owen Davies |
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Hi Keith
I do agree completely with Barry's answer to your sharpening question, the buy of the Wolverine is where you could add "or build one". You are familiar with Darrell's site ??? Have fun and take care Leo Van Der Loo Barry N. Turner wrote: Trash the file Keith. You already had the best tool for the job. Just get a good wheel for the grinder. That's either a pink or white wheel. 80 or 100 grit is good. Buy yourself a Wolverine jig and learn to use it. Use a light touch and it won't be so wasteful of your tool steel. You can't learn to turn well until you learn to sharpen well. You're learning two (2) skills at once here. If you must "hone" your tools, use a credit card size diamond stone. Barry |
#10
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Keith
The friable quality of an item is its ease of crumbling as in the desire for a "friable soil" in agriculture. For a grinding stone it refers to the matrix that holds the grinding material. The more friable the matrix, the easier it is for the stone to wear away and leave fresh cutting material. However, too great a friablility and the stone will groove too easily and need dressing more frequently. Actually, most stones for the home shop are friable enough for our uses. A nice aluminum oxide stone about 80 grit works well for me. -- God bless and safe turning Darrell Feltmate Truro, NS Canada www.aroundthewoods.com |
#11
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I went in search of the ultimate grinding wheel. Tormek is way too soft. Diamond works on carbide, but not HSS. Other wheels only came in grits up to 125 or 150. Then I found CBN wheels (carbon boron nitride) described to me as "like diamond wheels, only for steel". These are made to order in any grit you want, and available from abrasive or grinding supply places. I got an 80 grit wheel for my scrapers, and a 320 grit wheel for my gouges. The wheel is 3/16 inch of bonded material on an aluminum wheel. An 8 x 1 inch wheel costs about $300. After over a years use I am very happy with the wheels. They have more than paid for themselves. The 320 grit does give a much finer edge which leaves a smoother surface on my turnings. During the time I have had them, I would have gone through 2 of more of the other wheels, and my gouges would have been worn down to nubs. I just took my 320 grit wheel down and had it dressed because it had developed a bit of runout. I still have about 1/2 of the bond left on the wheel. They don't generate any more heat than the other wheels. When the surface needs to be cleaned, you use an aluminum oxide stick. Diamond dressing tools won't work because the wheel eats diamonds. With a fine grit wheel, you have to use a jig to exactly reproduce the grinding angles. They are not for everyone because of the price, but in the long run, they are worth it robo hippy Leo Van Der Loo wrote: Hi Keith I do agree completely with Barry's answer to your sharpening question, the buy of the Wolverine is where you could add "or build one". You are familiar with Darrell's site ??? Have fun and take care Leo Van Der Loo Barry N. Turner wrote: Trash the file Keith. You already had the best tool for the job. Just get a good wheel for the grinder. That's either a pink or white wheel. 80 or 100 grit is good. Buy yourself a Wolverine jig and learn to use it. Use a light touch and it won't be so wasteful of your tool steel. You can't learn to turn well until you learn to sharpen well. You're learning two (2) skills at once here. If you must "hone" your tools, use a credit card size diamond stone. Barry |
#12
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In article ,
"Keith Young" wrote: Hi Me again. I have a grinder but as somebody said to use it to hone tools is a bit wasteful. Bought myself a Mill file to hone the tools. Most of my tools are HSS. Did i buy the proper file. If not , what is the best file or sharpening instrument to get to keep a sharp edge on these tools. Yours most sincerely Keith in Newfoundland I reccomend use sandpaper for honing now, 500 grit, or 800(depending on whats sittting around) fold it up until its about the size of your wallet, put your thumb on one side, and two fingers on the other, push down to make it slightly concave(lets you get more of the tool surface at once), and the hone away. I have diamond hones, but they are flat, which seems to be slower, and they keep disapeering in the shavings. every time I stop a piece to start sanding, I run the sand paper over the tool a few times, so far I'm grinding once or twice a day(and I am doing 8 hours of turning, on laminated blanks of cocobolo, teak and other nasty woods.) the place diamonds excel IMO is for skew chisels, every time I pick it up I do a few strokes on each side before starting. (this also cleans any glue or sap residue off, which is a good effect. -- Maybe I'm just a pessimist and am totally wrong; I could live quite happily with that. -SATAN Sane people are just lunatics in denial. _Delta Nine |
#13
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Keith, I'm sure you realize that with so many different methods and
devices there isn't a one right way, no matter how forceful the advice. You can't buy and use them all, but remember that grinding, sharpening and honing a turning tool are not always the same thing. I can't help you decide which advice to follow, but I do suggest that you review the rcw archives and the internet re methods and equipment. Several ways will do the job, but decide on one way and learn to do that one well. Turn to Safety, Arch Fortiter http://community.webtv.net/almcc/MacsMusings |
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