Dremel Flex Tool

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Dremel Flex Tool

Postby grzimm981 » Sun Sep 30, 2012 7:32 pm

Hello,

I have seen a couple of articles on here regarding mounting a Dremel rotory tool to the 7 x 7. I would like to use a Dremel Flex Tool. Any ideas on how to mount it would be appreciated.

Thanks,
Gary


Update: I have decided to purchase the spindle motor with power supply from Zen Toolworks. Rather than trying to engineer and make a mount for a Dremel and getting it to be acturate. I was concerned about keeping it true and still and also making sure it was straight up and down with no sideways play. Thanks for your suggestions.

Gary
Last edited by grzimm981 on Tue Oct 23, 2012 10:55 am, edited 1 time in total.
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Re: Dremel Flex Tool

Postby Hawk » Mon Oct 01, 2012 11:16 pm

Gary,

I also have a flex tool, and looked several times at how I might mount it.
Short story is..........never figured out how.

The mount for the working end is easy.....but then were the heck do you put the power head without hanging it from the dang ceiling....?
Too much bend in the cable will shorten it's life considerably.

But since I had a regular Dremel too, that is what I mounted, then replaced that with a trim router and never tried mounting a Dremel again...... :lol:

Ken
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Re: Dremel Flex Tool

Postby grzimm981 » Tue Oct 02, 2012 2:05 pm

Thank you Ken.

I may just try to mount the Dremel itself w/o the flextool for the reasons you stated. I have a Dremel 4000 tools and I have seen some designs for other Dremel models that may be easily modified for the 4000.

Thanks again,

Gary
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Re: Dremel Flex Tool

Postby roller » Tue Oct 02, 2012 9:39 pm

Hey guys - this is forum should be for project examples. Perhaps we can move this across to general?
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Re: Dremel Flex Tool

Postby Hawk » Wed Oct 03, 2012 12:06 pm

Roller:
Agreed.....done
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Re: Dremel Flex Tool

Postby AKA » Sun Oct 07, 2012 5:11 pm

Hi grzimm981 I have a Zen 7x7 with a Dremel Flex Shaft as the cutting end and it works very well.

I attached the Flex Shaft using two hose clamps much like this one: http://www.amazon.com/Precision-Brand-M ... hose+clamp (NOTE, this is not the actual size clamp I used, you should measure to be sure).

I sure got tired of holding the Dremel above the CNC for each job, so I used a bungee cord to hang the Dremel off a nearby shelf. It does not look elegant but it seems to work quite well.

Hope this helps,

AKA
Hardware: 7x7 CNC with Dremel rotary tool and F8 XY leadscrews
Electronics: CamBam -> GRBL on Arduino Uno to three EasyDrivers
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Re: Dremel Flex Tool

Postby abobotek » Mon Oct 08, 2012 4:40 pm

Hmm, sounds like a good idea. I may try hanging my flexshaft motor from a microphone stand. I'll report back the results
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Re: Dremel Flex Tool

Postby rawkstar320 » Mon Oct 08, 2012 4:58 pm

Could you mount the dreml on the truss that spans the x axis? Attaching the dremel vertically so that the spindle points UP - Still some bending, but maybe it would be ok? Or you could add a 1x4 board to that truss and mount the dremel on top of it (a few feet up). That way its attached to the machine (sorta).
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Re: Dremel Flex Tool

Postby abobotek » Mon Oct 08, 2012 6:27 pm

It's working well. Personally, I use a Harbor Freight flex shaft tool with a Foredom handpiece. The Harbor Freight handpiece is notoriously imprecise. I've tried slowing down a Dremel with a speed control, and had poor results. It just doesn't want to run smoothly at low RPM. The Harbor freight will go smoothly and with adequate torque below 1000 RPM for drilling small holes in plastic without melting, however. So I'll be using a flex shaft until next month when my eBay spindle motor arrives.
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Re: Dremel Flex Tool

Postby jscook55 » Fri Oct 19, 2012 1:04 pm

Grizmm - Not sure if you mounted it yet, but here's how I mounted a 4000 to my 7x12: http://www.jcopro.net/2011/11/18/a-mount-for-the-dremel-4000-on-a-zen-toolwoorks-router/. I didn't end up using it long, as I didn't tighten the bit enough and ended up burning up the motor! So be sure to tighten everything :D ! I use a Zen spindle now, very quiet comparatively.
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