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Dremel burnout on aluminum - Page 3

post #21 of 33
Quote:
Originally Posted by fstfrddy View Post
Like any power tool, let it do the work not your muscles.
Quote:
Originally Posted by AZN View Post
Well if you're tool is either too weak or powerful, I guess you would need to resort to muscles
...then the wrong tool is being used.

heh!... I'm playing around.... but there is some truth there.

I use the wrong tool for the wrong job on a regular basis, but what fstfrddy stated is a basic rule for success.

My little Dremel gets a great workout, but it has yet to fail me.


Back to the original question: For cutting on metals or alloys, a Dremel or Roto-zip are not ideal. If you could get a holesaw (expensive) and a 1/2" drill (preferable, but most corded models will do and even some newer cordless models), you will be well on your way to success.
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post #22 of 33
Thread Starter 
I'll pick this up and let you know how it goes. All the reviews were positive and mention that unlike the real dremel, it doesn't overheat (2.0amps vs dreme 1.2) http://www.homedepot.com/webapp/wcs/...10000003+90401
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post #23 of 33
Quote:
Originally Posted by Eddie3dfx View Post
I'll pick this up and let you know how it goes. All the reviews were positive and mention that unlike the real dremel, it doesn't overheat (2.0amps vs dreme 1.2) http://www.homedepot.com/webapp/wcs/...10000003+90401
I have one... And YES, it can and will overheat if you aren't careful...
    
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post #24 of 33
Thread Starter 
argh lol
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post #25 of 33
I always thought it was BlacknDecker<Rotary<Craftsman<Rotozipper
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post #26 of 33
Quote:
Originally Posted by NullWolf View Post
I have one... And YES, it can and will overheat if you aren't careful...
Most Dremels get really hot easily, doing the most simplest things like polishing teeth or grinding rust.
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post #27 of 33
Get a Dremel, skip the B+D and use it as intended, also don't cover the air vents with your hand while using it. if you want something better than a Dremel get a Foredom grinder (flexshaft but not super high speed) or a Proxxon (industrial quality).
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post #28 of 33
this happened to me a little while ago with my dremel 300 or whatever.

It was constantly overheating while cutting acrylic, and it stopped working a while after. I just took out and put back in the brushes (not new ones) and it semi-works now, but I haven't used it to cut anything...

It sounds like the same thing is wrong with your dremel... Are you using it at the specified speed for the reinforced cutting wheels on aluminum? The manual tells you what speeds are acceptable.
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post #29 of 33
Thread Starter 
Just wanted to give an update. I purchased a black and decker dremel and it worked out great. Finished the rest of the job within 5mins. The cut came out great. Now I just have to file it a little more, purchase c-strip, and drill the holes/tap them for m5 .08, apply mesh, and mount the radiator and fan
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post #30 of 33
Damnit Eddie I think you jinx me!

I've got 2 rather inexpensive drills (one is a 3/8" Hammer Drill so it's got a little power to it) that I got from Harbor Freight not too long ago. Well, I went to use a Hole Saw to cut a nice little 4.5" circle on a flimsy Aluminum case. Well, there was no problem on the initial hole but once we got going smoke starter pouring out of the sides of the darned drill. Not once, but twice!!!

Here's to me trying my Harbor Freight Rotary Tool tomorrow morning lol.
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