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What do you guys think of these gouges?
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picard1701d
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PostPosted: Fri Sep 17, 2010 11:48 pm    Post subject: What do you guys think of these gouges? Reply with quote

I know you guys will probably say I should get nicer gouges but I can't afford much right now so do you think these will work to get me started with my first violin build?

I thought $65 for a set of six was pretty good.
Here is the link.

http://www.grizzly.com/products/Japanese-Gouge-Set-of-6/G7957
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Chet Bishop
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PostPosted: Sat Sep 18, 2010 12:24 am    Post subject: Reply with quote

They are probably quite workable. Get a good set of sharpening stones or the equivalent, as well.
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FiddleDoug
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PostPosted: Sat Sep 18, 2010 8:27 am    Post subject: I have a set Reply with quote

I got them after seeing another luthier using them. They're OK, but not fancy. They do need some re-shaping and sharpening.
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picard1701d
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PostPosted: Sat Sep 18, 2010 12:00 pm    Post subject: Reply with quote

Thanks for the replies I think I will buy a set.
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Andres Sender
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PostPosted: Tue Sep 21, 2010 4:39 pm    Post subject: Reply with quote

Needing sharpening means nothing.

The question is, how good of an edge can you get on them and how well do they hold an edge?
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Violin Repair Guy
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PostPosted: Thu Sep 23, 2010 5:20 pm    Post subject: About Sharpening Reply with quote

Keeping them sharp does mean something. It is very important. Also, be sure never to use a machine to sharpen them. Do it with a sharpening stone.
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Dave Chandler
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PostPosted: Sat Oct 09, 2010 10:47 pm    Post subject: Gouges Reply with quote

I started with a set of inexpensive gouges, and found that I only used three out of about 8. And, those three have been replaced with individual replacements from different sources as time went on and I knew exactly what I wanted for a specific job. But the inexpensive set did well for the first violin for sure.

A while back a chinese company was offering a nice set of about 30 or 40 gouges without handles, and of very good steel for about $80 on Ebay. I looked for them again on Ebay after reading your post, but didn't find them. There were some here on the forum that really liked them. Maybe someone will recall and have a contact email or website for them. Anyone?
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Andres Sender
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PostPosted: Mon Oct 11, 2010 3:34 pm    Post subject: Re: About Sharpening Reply with quote

Violin Repair Guy wrote:
Also, be sure never to use a machine to sharpen them. Do it with a sharpening stone.


Using a machine can be fine for sharpening gouges, you just have to use the right machine, the right type of wheel, and understand that powered sharpening (even hand-cranked grinders) can tend to fracture the steel so that although you can use power to get most of the steel removed, with some machines you will need to keep it away from the very edge. When you hollow grind, this is easy. Contrary to popular myth among carvers, hollow grinding works just fine–it’s what is happening at the edge that matters (including that touch of rounding), not in the middle of the bevel.
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John Cadd
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PostPosted: Sun Oct 31, 2010 10:39 am    Post subject: Reply with quote

When you use a gouge always keep the outer edges above the surface.If the edge goes out of sight when you cut the wood will be in a splitting situation.You also need to twist ( rotate ) the blade as you cut .That means you need a wider blade than you would expect at first
Gouges are awkward to sharpen.Cut a groove in soft wood (pine ) to suit that gouge shape. Cover it with metal polish and draw the edge backwards to get a sharp edge after the main sharpening process. Wiggle it sideways as you move it.It will polish the edge surface. Try the edge on a single piece of newspaper. Razor sharp is best.
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L P Reedy
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PostPosted: Sun Oct 31, 2010 4:57 pm    Post subject: Reply with quote

amezcua wrote:
Gouges are awkward to sharpen.

Only incannels, and they aren't bad with the right equipment. Outcannels are easy.
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John Cadd
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PostPosted: Sun Oct 31, 2010 6:08 pm    Post subject: Reply with quote

When you get used to them it`s easy. If people ask you have to give them some helpful tips. No good just saying it`s easy.
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John Cadd
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PostPosted: Tue Nov 02, 2010 9:37 am    Post subject: Reply with quote

The gouges shown at the start have the traditional Japanese layer of brittle hard cutting steel bonded to a thick softer layer. I had to remove some old paint from a crevice in a window once . (Misusing good tools ). Using the 1/4 inch chisel I gently prised the paint out of the hole and the brittle steel snapped. Before I knew it the chisel had an inch from the end bent at 30 degrees.So narrow laminated chisels will let you down if you use any leverage.They keep a good sharp edge apart from that.
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John Cadd
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PostPosted: Sun Nov 14, 2010 11:17 am    Post subject: Reply with quote

There is a review of these laminated chisels where the narrowest one snaps and bends with little pressure. His break shows a slight crack happenend before they were sold. I doubt if it`s a problem at all for wider tools. It was funny to see a photo exactly the way mine bent. The brittle layer leaves the soft thick layer to bend. When you use a grinder to sharpen keep dipping the tool in clean cold water. Do about 6 tools in sequence and short 4 or 5 seconds at a time for each one then dip put it aside and do the next one.Work round them all in a sequence.The continuous interuption stops you overdoing the grinding. The brittle layer makes a different spark pattern to the soft steel.It helps to see what`s getting ground away.
The very edge of the blade has a millimetre of brittle steel poking out and that can be liable to breaking splinters off the edge. Not really a problem with violin wood. More abrasive wood would cause that headache. The laminated tools are useful if you like shaving the hair off your wrist.
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sdantonio
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PostPosted: Wed Dec 29, 2010 10:35 am    Post subject: Reply with quote

L P Reedy wrote:
amezcua wrote:
Gouges are awkward to sharpen.

Only incannels, and they aren't bad with the right equipment. Outcannels are easy.


And what is the right equipment for sharpening incannels. I'm had a couple languishing an a draw for lack of some good instructions of how to sharpen them.

Thanks
Steven
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L P Reedy
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PostPosted: Wed Dec 29, 2010 7:13 pm    Post subject: Reply with quote

The easiest way I've found is with appropriate size conical stones, mounted in a drill press. Keep the speed low and overheating is not a problem. You can just hand-hold the gouge or you can adjust the drill press table so that the bevel fits the stone with the handle sitting on the table. Be patient. Helps to have stones of several grits if you need to take off much metal.

If you don't have the conical stones you can do a pretty good job with a Dremel and sanding drum. This way takes more care to avoid overheating and to keep the angle as you want it.

For hand sharpening, wrap your choice of sandpaper around the appropriate sized dowel. Conical slipstones are NOT a good choice unless you can work the gouge sideways, but they will work if that's all you've got.

For cleaning up the outside my preference is an MDF wheel charged with polishing compound, keeping the back of the gouge flat to the face of the wheel. Of course you can use any good stone or fine sandpaper on a board for that. Hope this is useful.
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