[TheForge] Bar Twister

Mon Aug 25 23:56:01 2003

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
>
>
> _______________________________________________
> http://mailman.qth.net/mailman/listinfo/theforge
> theforge mail list group photo site is
> http://www.photoaccess.com
> Login:  [email protected]
> password:  anvil
> ___________
>
>
>