Re: Self-Centering Vise Stop
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Re: Self-Centering Vise Stop         

Group: alt.machines.cnc · Group Profile
Author: Den
Date: May 1, 2008 23:25

"BottleBob" earthlink.net> wrote in message
news:IP-dnVHFtqUECofVnZ2dnUVZ_hynnZ2d@earthlink.com...
> To All:
>
> I just had an idea today for a self-centering vise stop. I don't recall
> ever seeing one, so if anyone knows of any on the market please let me
> know.
>
> Anyway, the idea is to center pieces of stock that are different lengths
> (plus or minus a couple of inches), like for making vise soft jaws. You'd
> want the holes centered in the length of the stock but don't really care
> what the exact length is.
> Below is a sketch of the basic idea, I hope the lines show up dark enough.
>
> http://tinyurl.com/6gwdb2
>
> The two large circles represent spur gears with the teeth engaged (as one
> turns, the other turns the opposite direction). There can be replaceable
> arms of different shapes and lengths, for different ranges of stock
> lengths. The arms also have rollers on the ends. The unit would be
> mounted to a block with a couple of dowel pins protruding out the bottom
> that slip-fit in holes in another block that screws to the the back of
> your Kurt.
> The arms can be tied together with a spring. You basically put the stock
> in the vise and let the spring loaded arms rest against the ends of the
> stock which will center it. Tighten the vise, remove the stop unit, then
> mill or drill away.
> I thought "Equa-Stop" might be a cute name.
>
>
> --
> BottleBob
> http://home.earthlink.net/~bottlbob
>

Looks like a good idea, it could centralize the work quite well.

What would happen if you got rid of the gears and placed a centrally pivoted
vertical member in the centre with a tie rod from either end to the ends of
your L shaped members. If this was practical to use it would perhaps save
on a couple of gears etc.

mmm, must be me I thought mammaries rather than triceratops :)
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