The other day, some cable TV show about trucks (I think) had this new low
RPM, no dust cut-off saw that also allowed miter cuts in steel. I can't
remember the name, but I remember it costing something like $2000 or $2500.
Anyone see the show or know of this tool?
Joe Agro, Jr.
Automatic / Pneumatic Drills: http://www.AutoDrill.com
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generic term is a 'cold saw'
$275 !!! Although I have yet to meet a person who bought and used one. Note
no reviews yet...
Cold saws have been around for a while. Not familiar with the specific
one referred to.
You can also do the aluminum/steel cutting just by changing the blade.
These were really a big deal a few years ago. google for aluminum
chopsaw/skilsaw? I did a quick search and couldn't find the really
popular one. Aluminator is one trade name.
The one I remember a few years ago, they were using a simple hand
skilsaw, with this wicked blade, and ripping through 1/4" & thicker
aluminum plate like hard butter. It was pretty amazing. they were called
shark, alumashark, raptor, something et...
Joe AutoDrill wrote:
You are talking about a cold saw. The blade turns between 30 to 80 rpm or
so. It is really a milling operation. The cut is very smooth and can be
virtually burr free. I've owned 2 SOCOs, a Taiwanese saw but were quite
good quality. The first was auto feed. I once cut 100 pieces of 1-5/8"
cold rolled steel with it, and the machinist measured every one, because he
couldn't believe a saw could hold +- 0.001" over 100 pieces!
The second one was a manual machine with a swivel vice and I cut mostly
aluminum and stainless.
To cut a wide range of materials requires at least 3 different blade
pitches. Too fine and the chip rolls up in the gullet, seizes, and BANG the
blade shatters! Too coarse and the teeth get broken off easily. Blades
cost about $90 but get resharpened for $10 a pop. After they have been
sharpened maybe 10 times they will grind off all the teeth and cut all new
ones, costs about $20 extra. So the blades last a really long time.
A dull blade can shatter as well. For production you really want 9 blades,
3 of each pitch. One goes in the saw, one is a spare, and one is out
getting sharpened from each pitch set. This way you are never down.
Cold saws are great. In my case I used it to eliminate the machining of
both ends of round and rectangular parts by cutting to exact size with a
If you have any questions, email me.
Gary H. Lucas
You want a cold saw. I'm partial to the Scotchman ones. We used to
use a regular woodworking miter saw with a stock fine tooth carbide
blade to cut aluminum extrusions, but after someone used too fast a
feed and sent a couple saw teeth flying into the wall, we finally
looked into getting one. They basically work like a large slitting
saw in a milling machine.
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