[TheForge] Bar Twister

Tue Aug 26 05:09:00 2003

Sounds interesting.  What jig do you need?

----- Original Message -----
From: "Shannell Sugrue" <[email protected]>
To: <[email protected]>
Sent: Monday, August 25, 2003 11:04 PM
Subject: Re: [TheForge] Bar Twister

> I saw on one of the UMBA tapes recently a great idea Ive got filed away
for
> real soon, using an air impact wrench to do the twisting, some of them put
> out amazing torque and Ive already got the jig so it should be fun, easy
> reverse twists too...
>
> ----- Original Message -----
> From: "R.C.Mundt" <[email protected]>
> To: <[email protected]>
> Sent: Tuesday, August 26, 2003 1:16 PM
> Subject: Re: [TheForge] Bar Twister
>
>
> > I made a real similar setup, turn mine w/ a 24" pipe wrench.
> > I thought about looking for a cheap lathe chuck for the next model, but
> the
> > different holders aren't that tough to make, the more I think about it
the
> > next model will be motorized also.
> > Randy Mundt
> > ----- Original Message -----
> > From: "Ed F" <[email protected]>
> > To: <[email protected]>
> > Sent: Sunday, August 24, 2003 6:11 PM
> > Subject: [TheForge] Bar Twister
> >
> >
> > > I posted a picture of my little bar twister.  I have to match some
> > security
> > > grating and I thought this thing would make life a little easier.
> > >
> > > This is model a001.  The inserts for the bar come out so you can make
> > > different ones for different kinds of stock.  I used schedule 80 pipe
> that
> > > kind of fits inside one-another.  It's sloppy.  I made a wrench that
> grabs
> > > the 3x3 square plate for twisting.
> > >
> > > Overall, I'm OK with this first setup, and it will work until I make a
> > > different one (if I ever need to do a bunch of twists again).  I can
> > adjust
> > > the twist length easily and very tight if needed, and lift the twisted
> bar
> > > through for flat areas.  Each end has a slot that the bar can be
lifted
> > out
> > > of.
> > >
> > > You have to slide the fixed end down to extract the die sometimes.  It
> can
> > > jam itself in the jaw a bit.  I did try a really short flat section
> > between
> > > twists once and end up getting the twisted stock so close on both
sides
> of
> > > the jaw I had to cut it free with the chopsaw.
> > >
> > > For the next iteration I thought I may use a home-made 2-jaw chuck
made
> > with
> > > big opposing bolts, but that's alot of screwing around.
> > >
> > > Ed
> > >
> > >
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