[TheForge] Bar Twister

Tue Aug 26 10:04:00 2003

The basic idea is .... basic.... just a clamp at one end to hold the bar and
some sort of tube/pipe the bar goes through, up near the impact wrench to
keep it nice and straight

----- Original Message -----
From: "Ed F" <[email protected]>
To: <[email protected]>
Sent: Tuesday, August 26, 2003 6:31 PM
Subject: Re: [TheForge] Bar Twister

> 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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