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  #1  
Old 01-05-2009, 08:13 AM
Phil Coggan's Avatar
Phil Coggan Phil Coggan is offline
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Default Carbalt for bulino?

Steve asked me to checkout carbalt for bulino.
Well, I gave it a good road test today and it works great with dots and lines, and keeps its edge far longer than hss.
I sharpened it with my template only I raised the face to about 60 deg. to allow for the extra brittleness.
I have'nt had chance to try the M42's yet.

Phil
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  #2  
Old 01-05-2009, 09:46 AM
Brian Hochstrat Brian Hochstrat is offline
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Default Re: Carbalt for bulino?

Maybe that is where I went wrong. I tried the Carbalts for bulino work and found that yes they will get very sharp and hold the edge but, would chip quickly if I started putting much pressure on it. But I left my face angle at 47.5. I will try a 60 face and see how that works. I really like the M42 for bulinos, they do not stay sharp as long but are pretty durable. -Brian
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  #3  
Old 01-05-2009, 06:55 PM
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Steve Lindsay Steve Lindsay is offline
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Default Re: Carbalt for bulino?

Thanks Phil and Brian, I was thinking the carbalt may be too brittle for the narrow bulino points. The 60 degree face Phil is using would sure help make the point stronger. I do have some newer carbalt Brian, but it shouldn't be any different than the earlier ones. In general, if making a narrower point the carbalt isn't going to be as durable from chipping compared to the M42.

M42 will probably go dull rather than break and the carbalt will probably break before it goes dull. Therefore with a stronger ground point (wider V and/or steeper face) the carbalt would be the better choice for lasting longer between sharpening. If you keep breaking points then M42 would be the next choice.

Steve
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  #4  
Old 01-05-2009, 11:26 PM
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jetta77 jetta77 is offline
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Default Re: Carbalt for bulino?

What is carbalt? I looked it up on wikipedia but nothing comes up, I'm guessing a type of steel, am I wrong on this?
just curious
Jeff
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Old 01-05-2009, 11:38 PM
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Ddbltrbl Ddbltrbl is offline
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Default Re: Carbalt for bulino?

Jeff,
Carbalt is the trademark for Steve's tungsten carbide gravers. You can read more about them on his tool site:
http://www.handengravetools.com/carbide%20gravers.htm
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  #6  
Old 01-06-2009, 09:59 PM
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Herman Knives Herman Knives is offline
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Default Re: Carbalt for bulino?

I have just been trying the m42 for the bulino tools and like them alot Especially with face angles from 50-65 degrees. Havent actually tried any carbalts for bulino tools yet.

Steve, mayby you can have some made in .062 square as grinding that long belly is a biatch!
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  #7  
Old 01-06-2009, 11:14 PM
Brian Hochstrat Brian Hochstrat is offline
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Default Re: Carbalt for bulino?

Quote:
Originally Posted by Herman Knives View Post
I have just been trying the m42 for the bulino tools and like them alot Especially with face angles from 50-65 degrees. Havent actually tried any carbalts for bulino tools yet.

Steve, mayby you can have some made in .062 square as grinding that long belly is a biatch!
Tim, invest in a 60 grit dot lap. you can have that ground in a flash. -Brian
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