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Rotary Tools

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  • Member since
    November 2005
Rotary Tools
Posted by Anonymous on Saturday, May 10, 2003 6:08 PM
I've been looking for a rotary tool to use on my plastic models. I've read advice to get a speed control for the rotary tool otherwise you can melt the plastic. Are the Dremel line of tools ok? Their losest speed is 5,000rpm. Is that too fast? A little help please

  • Member since
    January 2003
Posted by shermanfreak on Saturday, May 10, 2003 6:49 PM
Even 5,000 RPM can be fast for working with plastic, some people use a rheostat controller to bring that speed down even more but I'm not sure whether it works with Dremels line or not.
Happy Modelling and God Bless Robert
  • Member since
    November 2005
Posted by Anonymous on Saturday, May 10, 2003 8:56 PM
I went out and bought the big variable dremel and it was way to much for what I was using it for but at the time their was nothing else available.A couple of years ago I got a the dremel mini mite battery operated tool. This thing is way cool.Two speeds.The high speed is fast enough to through metal with the cutting disks and the slow speed is slow enough to cut and grind on plastic and not melt it.
I still have found uses for the big dremel but the small one is much handier.Its small size is also a good thing.....good luck.
  • Member since
    February 2016
Posted by eaglecentral on Saturday, May 10, 2003 11:32 PM
For plastic models, get the two speed, battery operated Dremel minimite. Like Mr. Larson above, I also have the high powered plug-in unit that goes a gazillion rpms, but the mini is the one I use for modeling. I use the high speed cutting bits at 5k rpm to grind and cut holes, I use the sanding drum at 5k rmp to remove lots of plastic, and I use the cloth buffing wheel at 5k and 10k rpm to polish canopies. For plastic, slow is better. My minimite is blue plastic model number 754. It has a 4.8Volt rechargeable battery. Its one of my favorite tools. By the way, if you're thinking of using it for drilling plastic, forget it. Too fast, melts the stuff. I've never needed more than a manual pin vise for drilling any plastic.

Good luck,
  • Member since
    March 2003
  • From: Mesa AZ.
Posted by orvallin on Thursday, May 22, 2003 10:18 PM
If you already have a dremel moto tool you can build a speed control for it from common electrical parts obtained at any hardware or home improvement store all you need is an extension cord, a common light dimmer and a wall receptable box to hold the dimmer.

contact me by e-mail and I will send a schematic of the hook-up.

Orval Lindsey(Mesa Modeler)

  • Member since
    February 2003
  • From: Medina, Ohio
Posted by wayne baker on Friday, May 23, 2003 12:06 PM
I have the variable speed Dremel and I have it plugged into a speed control. I just turn on the Dremel and have the speed control turned low. Tehre is a fine line between it running and sitting still. The mini would probably be the way to go. Less clutter on your bench and probably cheaper.

 I may get so drunk, I have to crawl home. But dammit, I'll crawl like a Marine.

  • Member since
    November 2005
Posted by Anonymous on Friday, May 23, 2003 7:07 PM
Dremel and speed controller here.
  • Member since
    November 2005
Posted by Anonymous on Sunday, May 25, 2003 3:45 PM
I have been told that the reastat (light dimmer ) control switch is a very bad idea.
It does not work in the same way as the dremel speed control.
Using this is hard on the rotary tool and even be a fire hazard.
I know this because I also researched this method and contacted many electrical experts in my local area.
I do not know that much about elecronics so I have heeded their warnings .

good luck......
  • Member since
    December 2012
Posted by FreedomEagle1953 on Sunday, May 25, 2003 3:56 PM
I endorse the Dremel Mini-Mite tool ... with the two speed settings you have the correct speed and torque to do most jobs and it is just the right size. I have used one for several years now ... wouldn't want to be without one.


Chicago, IL area

"keep on building 'em ... but don't glue your fingers together"

  • Member since
    April 2003
  • From: Sunny Florida
Posted by renarts on Sunday, May 25, 2003 6:35 PM
If the mini mite does not offer enough variance for you, check with the jewelry supply operations like Rio Grande or tool supply places like Grizzley Industrial, or Lee Valley. The make rheostats (or variable speed control units) for tools like the dremel or other brands of similar tools. All have websites so check them out.
A flexi-shaft will also do wonders for you.

I've used an old fixed speed dremel for 28 years and it has given me great service over time. It is one of my most cherished tools.

Mike "Imagination is the dye that colors our lives" Marcus Aurellius A good friend will come and bail you out of jail...but, a true friend will be sitting next to you saying, "Damn...that was fun!"
  • Member since
    November 2005
Posted by Anonymous on Sunday, May 25, 2003 9:26 PM
My wife gave me a little battery powered nail buffing tool that I've been using lately (I had a similar one several months ago, but I tried to 'modify' it and unfortunately we lost all vital signs in the operating room .... very tragic). It takes a couple of AA batteries and works quite well. It has 5 or 6 bits that are good for filing and buffing plastic parts. It doesn't have the speed or torque to really do any significant melting on the plastic. Dremel bits don't fit into it, but I'm storming up an idea for an 'adapter'. I did make a small paint stirring bit that attaches to the end. Works great!
It doesn't have the torque to do major construction, but it suits me well.

  • Member since
    February 2003
  • From: East Bethel, MN
Posted by midnightprowler on Monday, May 26, 2003 7:24 AM
I use a single speed Dremel with a foot control for a sewing machine.

Hi, I am Lee, I am a plastiholic.

Co. A, 682 Engineers, Ltchfield, MN, 1980-1986

1 Thessalonians 4:13-18 1 Corinthians 15:51-54

Ask me about Speedway Decals

  • Member since
    November 2005
Posted by Anonymous on Monday, June 2, 2003 6:45 PM
can recommend fwd reverse battery operated 12 v dick smith drill which can be operated from speeds of 0-5ooo rpm will not burn or melt plastic and can be operated in drill press
  • Member since
    May 2003
  • From: The flat lands of the Southeast
Posted by styrene on Tuesday, September 30, 2003 6:20 AM
Dremel has a variable speed foot control #221; works from 0-full rpm.
Information can be found at

Gip Winecoff

1882: "God is dead"--F. Nietzsche

1900: "Nietzsche is dead"--God


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