Ulma Doctor

Infinitely Curious
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Feb 2, 2013
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i recently had an itch to scratch.
i wanted a small vise, but didn't want to ignore the pile of scrap metal waiting to be re-purposed into useful things.

so i took a piece of vintage 6061 square 32mm bar and whacked a 120mm section from it
i squared the ends on the BP
i laid out the throat of the vise as well as center lines on all axes, for reference
i milled the billet to 25mm thickness
i then milled to 10mm thick in the center section and made the throat a total of 50mm long
there were holes in the billet from its last life, so i creatively removed material to where the holes were no longer present in the vise
i stood the billet on the immovable jaw end and plunge milled a landing for the screw-
that was an interesting cut-slow and steady :eek:- made a bunch of noises from the interrupted cut- but worked like a champ
i drilled the screw bore 1mm above center to 5mm, then tapped to M6x1.0
i inserted a m6x1.0x65mm allen head bolt for the screw
i broke the edges and lightly sanded the vise

here is the result

IMG_3882.jpg

the vise closes to 30mm with the screw, but i wanted to also utilize the vise for smaller pieces
so i made a movable jaw from the same material milled to straddle the bed of the viseIMG_3879.jpg IMG_3880.jpg
IMG_3881.jpg
IMG_3878.jpg
IMG_3883.jpg
i lightly lapped the movable jaw to the bed with good ol' Clover valve lapping compound (fine grit)

this is the progress until now, but there is more to come!
same Bat time, same Bat station....
 
Just throwing it out there. If the moveable jaw had the male with a corresponding slot down the body of the vise it would allow you to square the vise on all four side which would allow the vise to be used upright and on its side. Or using a slitting saw cut into the body creating your female grooves then shorten the width of the moveable jaw legs so it's within the chuck body if that makes sense. Just like how a toolmakers vise is. I have 2"x3" vise I'm about 50% done with need to make the movable jaw screw mechanism still
 
Just throwing it out there. If the moveable jaw had the male with a corresponding slot down the body of the vise it would allow you to square the vise on all four side which would allow the vise to be used upright and on its side. Or using a slitting saw cut into the body creating your female grooves then shorten the width of the moveable jaw legs so it's within the chuck body if that makes sense. Just like how a toolmakers vise is. I have 2"x3" vise I'm about 50% done with need to make the movable jaw screw mechanism still

great idea, thanks for the input!!! :grin:
 
Nice work Batman, very resourceful.
Would there be any point to using a threaded steel insert for the screw instead of the aluminum threads?
Robin
 
Nice work Batman, very resourceful.
Would there be any point to using a threaded steel insert for the screw instead of the aluminum threads?
Robin
Thanks Tozguy
I like your thinking!
A keen-sert or the like will definitely go in if the aluminum should fail .
I appreciate the thought
 
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