Stone file

B

B Finnigan

Joined
Jan 16, 2006
Messages
1,246
I just built a interchangable stone filing system. It will allow you to get that stone finish on knives and is faster then sandpaper. The stone inserts are silcon carbide 150, 220, 320, 400 grit and the 600 grit is aluminum oxide. The frame is stainless steel so there is no corrosion problems since it is used with water. The handle is maple burl that I turned and finished with Danish oil.

The stone file is used after you rough out the blade contour with a regular metal file. I have used it on two knives so far and it is at least five times faster then sandpaper. It digs more aggresively and does not wear out as sand paper does. I have also used it to put a wicked edge on a couple knives , and very quickly. The stones can be quickly changed just by loosening the tension knob and popping in the next grit. They can be used with oil, water or window cleaner.



Picture:
http://groups.msn.com/Brentscustomknives/stonefile.msnw?action=ShowPhoto&PhotoID=252
 
Yes, just like a file with both hands. It also draw files real nice and I may put a smaller handle on the end.
 
Thanks Tim, I do like designing and building tools, not just knives. This one came from desperation.

The stone file also allows you to do some touch up after HTing in areas that you can't reach with the belt grinder. It gets rid of HT pitting much faster then sandpaper.
 
That is cool as hell! You probably ought to consider what it would take to make a smear of these things and come up with some pricing. WAAAAAAYYYYY more industrial (and accurate, by my guess) than an EdgePro, and obviously capable of far more than just applying an edge!
 
I'd love this for draw filing with waterstones for a traditional polish. I've been wanting to build a draw filing jig that I could put waterstones in to keep razor sharp grind lines while taking them way up in grit....lemmie knwow hen these go for sale as I'd like to check out the possibilities...
 
Looks real simular to Edge Pro if I've got the name right. Had one but the fire got it before I ever tried it. I used stones for finishing for awhile but the one problem I had was getting deep scratches even with the finer grits.
 
I will be building a few to sell. Right now I am still refining it and I will be adding two extra thumb screws to hold the backing plate better. It wants to pop out while draw filing sometimes.
 
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