New Milwaukee “cermet blade” – anyone?
MG911
| Posted in Tools for Home Building on
Have any of you tried the new Milwaukee saws with the “Cermet” blades? Apparently these saws are amazing. Will cut through metal like a hot knife through butter with virutally NO heat or sparks. Sounds like we’re getting a dozen of these for our rescue trucks on the dept. to be used for heavy rescue or vehicle extrication.
Just wondering is anyone has first hand use with these saws…Mike
Replies
I'll be interested to hear more about this.
blue
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http://www.carbideprocessors.com/Saws/intro.htm
I haven't heard of them before. Sounds like they are a ceramic tip blade. ceramics are also supposed to be a bib part of the future of the automotive industry. They already function in the space program under high stresses.
So who wants to be the first giunea pig here?
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Any idea of how much these retail for?
Here's the link I found: http://www.carbideprocessors.com/Saws/cases1.htm These guys are using the blades in a table saw application....could this be the start of something new?
Milwaukee has some good info on these new saws also but they 'may' be slightly biased.
Mike
Actually, they've been using ceramic tooling in machine shops for decades. Did you know they also make ceramic kitchen knives ?.
Phill Giles
The Unionville Woodwright
Unionville, Ontario
Knives that I knew for yrs. could pass thru a metal detector. There are some that have no metal whatsoever in them. Razor sharp to boot, my ex wife has some..$$$$$$
Spheramid Enterprises Architectural Woodworks
Repairs, Remodeling, Restorations.
Cermet is a generic term, referring to cutting tools made of CERamic particles in a METallic matrix. Strictly speaking, ordinary carbide, which is tungsten carbide particles in a cobalt matrix, is a cermet, but the industry jargon distinguishes tungsten carbide from all the others cermets.
Machinery's Handbook (25th Ed.) says that in most parts of the world, the generic term is hardmetals, and adds, "Composition and properties of individual hardmetals can be as different as those of brass and high speed steel."
There are also various ceramics that are made into cutting tools without any metal matrix. So when you hear somebody talking about ceramic tips keep in mind that all cermets contain ceramic, but not all "ceramics" are cermets.
Ceramics have long been used as the medium for manufacturing commercial nuclear fuel. U-238/239 are mixed into a ceramic composite, which is sintered and compressed into pellet form. (The term, 'fuel rods' is misleading, the rods-about10-12 feet long-are nothing but long tubes that contain a single stack of fuel pellets and are then pressuized with He gas.) Until learning about this process 25 years ago, I always associated ceramics with Mrs. Felders fourth grade art class.
I never met a tool I didn't like!
I have the Porter Cable one. It is good for cutting metal doors and frames. But the blade will cut through pretty much any material. The cuts are smooth. No sparks.There is a shroud that encompasses the blade to catch the chips which works well. However it blocks your sight of where the blade is actually cutting the line. Like where you would normally look when using a skilsaw. But on doors, I clamp down a straight-edge. It is a good alternative to an angle grinder. I have not had to change the blade yet. The saw was close to 3 hundred. The Milwaukee looks practically identical. And they have a cordless that takes a smaller blade.
I thought I had also heard something about the Milwaukee saw using a certain RPM to achieve better cutting results but maybe that has nothing to do with it?
Mike