Home made knife sharpener made on a bridgeport

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May 11, 2002
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Just wanted to show off my latest creation i made at work in my down time.
Im waiting on the 120-1200 grit stones(from congresstools), leather(woodcraft) and chromium oxide(hand american) May add a 3k and 6k waterstone from woodcraft later.

I made it out of stainless steel for hardware, rear post, and the stone plates, The rest is 1/2" aluminum bar stock for everything except the base which is 3/4" and a piece of delrin for the slide block and has bronze bushings where things pivot. Guide rod is shafting by Nook and is case hardened to rc60. Everything is centered for a perfectly matching bevel side to side. Slapped some heavy duty rubber feet on it so it wouldnt buger up a table and some nice thumb screws i found laying around. It operates like oiled snot!:D

Check it out...

http://hinsonjim.myphotoalbum.com/view_photo.php?set_albumName=album01&id=img_0556
 
Very nice, what's the max length stone you can put on that?
 
thanks!
It will accomadate a full sized 8" bench stone. The table is 8.25" away from the rear post Im going to make some extra backing plates for the bigger stones. Im mainly going to using the 6" bx 1" wide by 1/2" thick stones from congresstools. Hell, i guess i could use anything that can be epoxied to a steel plate!
I still need to make a hand gaurd out of delrin to keep from slipping and cutting my hand off.
 
Very nice!

Looks like you know your way around a Bridgeport :)

Bruceter
 
thanks all...well it was a.. how do you say..."government job" made on company time on company equipment with company scraps i could find. I rushed through it any little bit of down time. If i had a mill and better cutters at home it would look better and holes would be more centered etc. as i wouldn't have to look over my shoulder all the time! I used a regular old fluted end mill too which wasn't ideal. I would have liked to use a carbide fly cutter and decked the whole surface of all the parts in one pass.
We have huge amounts of old parts that eventually get thrown out and odds and ends in the material racks. I think i only have 55 bucks in it,(plus lots of time) and that includes green chromium oxide from hand american the huge chunk of leather from wood craft which i could make another 2-3 strops and sell them to recoupe my dough. I bought the black knob on the end of the shaft at sears hardware for 5 bones, and the nook shaft which was admittedtly overkill it was 13 bucks on fleabay plus i only needed half the length. I could have just turned down a small piece of stainless on the lathe i guess. the stones were cheap..about 5-6 bucks average or so each.

I could imagine actually buying all the stock and stones could be well over a hundred...then ya have to make the thing still!
 
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Thanks Lanza, I got my stones today from congresstools.com which btw are dam nice.
I will mount them up tomorrow or maybe this weekend. My old lady wondered if it would do scissors, so i adjusted the table way back and layed the scissors on the table, it has more than enough angle adjustment on the table to do it. cool! I may rig a thing to hold chisels too. Like an all-in-one unit.:thumbup:
 
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