Marvin Kaye wrote:

At 10:09 AM 3/25/99 -0800, you wrote:

Mike Richardson wrote:

Ed,
You might want to give these people a call with required info such as
radius, type tubing, wall thickness, bend angle and diameter. They do
custom mandrel bending and will ship.

attn: Larry Campbell
      Denver Pipe & Tube Bending
      194 West Dakota Ave.
      Denver, CO.80223-2195
      303-777-7170 voice
      303-777-4749 fax
Good Luck,
Michael Richardson

I do all the setup, service, and training for the machinery division of
Tools For Bending, the "upstairs" office of Denver Pipe & Tube, and just
got off the phone with my contact there.  I learned that Larry Campbell is
out of town for the next week, but I can get some information just the
same.  I presented a list of standard tubing sizes we'd be interested in
(1.25, 1.5, 1.75. 2, 2.5 OD) and asked for them to tell me what wall
thicknesses they can bend based on their mandrel supply.  I know that they
are capable of doing radiuses down to 1D but it frequently requires special
mandrels and can wind up costing more money.  I told them to limit the wall
thickness selection to tubing of the sizes above if bent to at least a 2D
radius, that will keep things simpler and less expensive.  I hope to have
the list tomorrow and will pass it along here.  I do know from previous
conversations with them that you can keep the cost down if you provide them
with the tubing to bend.  They get into some pretty healthy minimum order
requirements if you ask that they provide the materials as well as the
bending, as they have to purchase tubing in mill lengths which are usually
20 feet or something like that.  It would probably be cheaper to purchase
the small quantities of tube required from ACS or a similar source and ship
it to them for bending.

    <Marv>

 
The Aircraft Rotary Engine Newsletter.              Powered by Linux.

http://home.earthlink.net/~rotaryeng/            http://www.linux.org