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  #1  
Old 04-15-2006, 11:45 PM
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B.Finnigan B.Finnigan is offline
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Location: Near Rainier WA
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Knife filing/sharpening set up

I have used the Lansky sharpening system for over twenty years and recently I got the Edge Pro system. Each time I use them I am reminded how sloppy they both are. I also wonder why no one (that I know of) has used the same concept for actually filing knives. Over the last couple weeks I have been kicking around a few designs and concepts to make a combo filing sharpening device.

The final motivation was a knife project from a piece of steel that had very sentimental value. I had only one shot to turn it into a blade. Any mistakes and it would be ruined or much smaller then I wanted. My grinding skills are slowly (very slowly!) improving but I still screw up as many blades as I finnish. Filing was the only safe option for now. As I was filing I decided that I could build a fixture to allow very clean even blades on the first try. After completing it I asked my neighbor to test it. He has never made a knife before and would make a good "lab rat". After a couple minutes of instruction I gave him a knife pre-form and told him to have at it.

The system is completely idiot proof and my neighbor proved that you can make a good knife on the first try.

Photos and narative of the system:
http://groups.msn.com/Brentscustomkn...to&PhotoID=134
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  #2  
Old 04-16-2006, 12:05 AM
Ron Hicks Ron Hicks is offline
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Thats slick great idea.
Ron
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  #3  
Old 04-16-2006, 12:16 AM
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B.Finnigan B.Finnigan is offline
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It is by no means a substitute for good grinding technique. But a newbie still needs to make a decent blade while learning to grind without the frustration. After I test it out on several different blade styles and get a thread cutting fixture I may have a few for sale. Right now there are just too many threads to cut to start manufacturing them. We all know what happens when you try rush the thread cutting process.

Last edited by B.Finnigan; 04-16-2006 at 09:39 AM.
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Old 04-16-2006, 09:13 AM
mstu mstu is offline
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That is really slick. You put a lot of thought and time into it. Thanks for sharing.

Michael
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  #5  
Old 04-16-2006, 09:43 AM
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B.Finnigan B.Finnigan is offline
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I might even be able to make a dagger now without it looking like a tent stake.
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  #6  
Old 04-16-2006, 10:06 AM
Bob Ouellette Bob Ouellette is offline
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I was just about to ask how much one would cost until I read your second post ... it looks like it would be good to set the propoper angle then taking the blade from the jig and filing "free hand"
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Old 04-16-2006, 10:22 AM
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B.Finnigan B.Finnigan is offline
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Has anyone ever used this type of thread cutter? It looks far more accurate then doing it with the handles that come with the dies. With the extra leverage it also appears you can snap cutters alot faster to.

http://www.grizzly.com/products/g8748
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  #8  
Old 04-16-2006, 11:44 AM
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Mike Turner Mike Turner is offline
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Brent,

I have used that type threader they are better than doing it by hand but if I had a choice I would use a tapmatic. www.tapmatic.ch/ I think I seen them at grainger.

Mike
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  #9  
Old 04-16-2006, 01:22 PM
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B.Finnigan B.Finnigan is offline
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Grainger does not list them but I found thier website and it has a video of it in action. Very cool! Thanks for letting me/us know about them. Another toy for the new milling machine when it comes.

http://www.tapmatic.com/flash_rdt.html

http://www.tapmatic.com/flash_tap.html

Last edited by B.Finnigan; 04-16-2006 at 01:25 PM.
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  #10  
Old 04-16-2006, 01:37 PM
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Mike Turner Mike Turner is offline
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Brent,

If you get one you will wonder why you ever tried tapping by hand. I worked in a machine shop for a bit and we used the tapmatic there on a drill press.

Mike
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  #11  
Old 04-16-2006, 01:43 PM
Phillip Jones Phillip Jones is offline
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My good friend Bill Maynard has been using a filing setup very similar, but not as complex, for over 10 years at least. He makes a lot of combat style military blades near Fort Bragg and files the bevels on them.
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  #12  
Old 04-16-2006, 08:38 PM
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B.Finnigan B.Finnigan is offline
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I just used the file station to cut a false edge on a bowie, it worked perfect on the first try.
In doing so I found I can mount the handles in other configurations then just straight in.

Photos:
http://groups.msn.com/Brentscustomkn...to&PhotoID=164
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