Using Erco dies in a Pullmax works sweet and I know everyone with a
Pullmax or those intending to get one wil want to give it a try. Creativity will get the
dies in there. On a regular P series you don't have much throat height for material with
allot of shape, and you need to slow the unit down with an inverter or by ratio reduction.
My personal choice because you will increase the machines power as opposed to reducing it
with the frequency inverter.As for strokes per minute the Erco 476 was at 150 on lower
speed and 300 on high. At 300 things got a little busy but was manageable. The newer Erco
312A Pneumatic Shinker runs at 100. I'm an Erco guy so I can't speak for Eckold or
Marchant powered units.
--MORE--
The other day when we got into Eckhold shrinking dies and specifically my reply to John
B. on how they work better further inboard on a panel. I was operating on 12 year old
memory cells. I called an old buddy and someone that does know and got more definitive
information.The "pie dies" I always refer to are actually called flattening
dies.
You can see from the attached picture they have four segments. These pull at 90 degs.
to each other and work fabulous at softly pulling down a panel or taking out an oil can.
Example application; door skin from scratch or a door skin that has been stretched in the
center. These dies do not gather like the regular dies and do not work as quickly. Maybe
call it working softer. The other attached picture is of regular shrinking dies and for
all intents and purposes are the same as Erco / Marchant dies in their function. There is
also an Eckold line of dies that leave no marks but they are best suited to specific
applications more than everyday forming of a variety of different shapes and
materials.Perhaps a little myth breaking. Mostly created by me. Eckhold 40mm round regular
shrinking dies are available for less than $1000 which makes them much cheaper than the
last price I got from Erco years ago. They are available without owning a machine or using
a serial number from someone else's. The sole US importer US Industrial Tool in Plymouth
MI. That old buddy I mentioned earlier is the sales manager there. If you for their site.
I will probably stick to my stock of surplus Erco dies and have them Carbide restippled as
I described in an earlier posting. They are cheap and interchangeable between my kicker
and pneumatic shrinker. But if I find that cash I left in an old jacket pocket I will get
a set of "flattening dies" to use in my Pullmax. With all that throat think of
the screw ups you could fix.
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