A google search for "knee mill conversion" produces 4,174,000 hits, but
Iggy's page is truly special...
--because "it contains lots of useful information" (most of which came
from the very same RCM members whom he now seems to think ought to be
overflowing with gratitude for his selfless act of philantrophy)
What did you pay for alladat?
You can proly estimate the weight pretty well.
Steel weighs 480#/cu ft, ditto copper, brass (approx), or 60# per 6" cube.
You could proly visually estimate an avg "spatial density" of select
measurable volumes pretty well, and come up with a grand total, good to +/-
I imagine it is going to take quite some time disassembling alladat, on top
of the rigging itself.
I am still learning this scrap business.
My best guess is that there is 50 short tons of steel in it. (I hate
short tons, but scrap yards here operate in short tons)
My another guess is that disassembly and rigging, will take 4 days.
Since this equipment will never be put into operation as-is again,
assuming it's ok with the place you're removing it from, don't be afraid
to separate sections with a big abrasive cutoff saw or for tighter areas
an angle grinder with a cutoff wheel. Keep a fire extinguisher nearby,
but that will be the fastest way to get through mixed materials and get
on with the loading. Sawzalls are good too, but an abrasive wheel will
beat them for time on most materials.
On Sun, 17 Mar 2013 21:29:26 -0500, Ignoramus19014
Who's our resident plasma cutting expert?
Questions: How critical is it to have super dry air? Will running it
from a freshly drained compressor tank hurt it? Would inline filter
driers work, such as are used at the ends of spray painting air lines?
In order to become the master, the politician poses as the servant.
--Charles de Gaulle
On Sun, 17 Mar 2013 19:26:51 -0700 (PDT), " email@example.com"
Many can do up to 1.5" in Burn/Gouge mode.
Thats in Single Pass. You can burn that same amount in the second
pass..and in the third....
My Miller 2050 is rated at 3/4"
Ive cut 2" steel with it.
If you read what I wrote , you will see I referred to the plasma
cutter that you posted a link to. The hypertherm Maxpro 200. It
requires both Argon and Oxygen and runs on three phase power. In
addition it weighs 740 lbs., but that probably does not include the
Oxygen and Argon bottles.
Do you own a plasma cutter? Have you used one? Have you seen one
being used in a scrap yard?
I am somewhat familiar with plasma cutters. They are great especially
for some things. But Plasma cutters work by converting electrical
energy to heat gas to a high temperature . The hot gas melts the
metal and the melted metal is blown away by the hot gas. So they are
somewhat limited by how much electrical energy they consume. The
older model use nitrogen for the gas. Later models use dry air.
Moisture plays hell with the consumables. The Hypertherm model you
referenced is the first one I have seen that uses both oxygen and an
inert gas. So some of the energy comes from the oxygen burning the
metal instead of all the energy coming from electricity. Smart idea.
But I expect that the oxygen does not help much with stainless.
Plasma cutters may be used in some scrap yards but I doubt if very
many scrap yards use plasma cutters. I am personally acquainted with
only two scrap yards, And neither of them uses plasma cutters. I am
also familiar with a company called Net Systems that makes trawls and
trawl doors. They have a nice cnc cutting set up. But it does not
use a plasma cutter. It uses oxy acet.. I have also toured two
steel mills. One in near Sidney and the other in West Seattle. Both
of them do continuous thin slab casting. Both of them use oxy acet
for cutting the slab.
I was just giving you an opening to show your credentials as a expert
on plasma cutters. So actually owning and using a plasma cutter would
establish you as having practical experience. I have used a plasma
cutter, but do not own one. But I do own a welder or two and have an
arc air torch.
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