Author Topic: Dremel Mill  (Read 15184 times)

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Offline pomprockerTopic starter

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Dremel Mill
« on: July 29, 2008, 05:48:03 PM »
Anyone have any insight about this or anything like it?

http://www.vanda-layindustries.com/html/acra_mill_plus.html

Offline ArcMan

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Re: Dremel Mill
« Reply #1 on: August 06, 2008, 01:16:05 PM »
Pretty neat, but for twice the money you could have a mini-mill from Harbor Freight capable of so much more (machining metal parts).

Offline Gertlex

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Re: Dremel Mill
« Reply #2 on: August 09, 2008, 12:26:02 PM »
Pretty neat, but for twice the money you could have a mini-mill from Harbor Freight capable of so much more (machining metal parts).

Aye, and they're HEAVY, need a dedicated table surface and take up more room.

For small robots with small holes, this might well be the better method to go.

Dremel also sells their own stands for this sort of thing.  I suspect they're cheaper (but of course, they don't have the moving-like-a-mill functionality)
I

Offline Admin

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Re: Dremel Mill
« Reply #3 on: August 14, 2008, 11:25:09 AM »
what size parts you want to cut?

my table top drill press, that sometimes I use with a mill bit, ~$150

« Last Edit: August 14, 2008, 11:41:28 AM by Admin »

Offline pomprockerTopic starter

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Re: Dremel Mill
« Reply #4 on: August 14, 2008, 11:32:55 AM »
just normal hobby robotics parts nothin huge

Offline ArcMan

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Re: Dremel Mill
« Reply #5 on: August 14, 2008, 01:51:25 PM »
I'm with ya on that one admin.  If you can't afford a mini-mill, get an X-Y vise for your drill press and some end mills.  You can at least machine metal parts then.  It ain't pretty, but it works.  I do the same thing.  Harbor Freight and Enco has X-Y vises pretty cheap.  I went the really cheap route.  I "borrowed" it from my dad about 3 years ago.

Offline sonictj

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Re: Dremel Mill
« Reply #6 on: August 15, 2008, 01:07:06 AM »
Is there  a risk of damaging a drill press by adding a side load, to preform milling, or is the force small enough to not matter.

I know this may vary from press to press.  I'm just asking generally.

Offline ArcMan

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Re: Dremel Mill
« Reply #7 on: August 15, 2008, 07:40:04 AM »
IMO, you won't damage the drill press bearings with the small side loads of milling small aluminum or steel parts.  The reason I know the side loads will be small is that you will not be able to impart large side loads because of chatter.  On a lathe or milling operation, chatter occurs when the machine is not extremely rigid.  Rigidity is the reason why lathes and mills have such heavy cast bodies and good tight slides (with gibs) and bearings.  Drill presses may appear to be quite rigid, but believe me, they are not.  If you try to machine too fast or take too much metal in a pass it will chatter violently (which is quite scary actually).  But if you take light cuts and go slow, you can get decent results with a drill press.

Offline Admin

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Re: Dremel Mill
« Reply #8 on: August 20, 2008, 05:26:36 PM »
Quote
Is there  a risk of damaging a drill press by adding a side load
Yeap, there is a chance. I mill slowly, only doing small aluminum and plastic parts.

After 3 years, only the on/off button has broken . . .

Offline paulstreats

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Re: Dremel Mill
« Reply #9 on: August 20, 2008, 05:34:12 PM »
Quote
Is there  a risk of damaging a drill press by adding a side load

 Definately, if you bend the shaft then it will drill off center as in spin in a wide arc circle (my drill is doing this at the moment, I was putting my weight behind it while screwing in a doorframe at home. It slipped and now the shaft is offset (bent slightly) from the center meaning bad. Im gonna have to get a new drill)

Offline pomprockerTopic starter

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Re: Dremel Mill
« Reply #10 on: August 20, 2008, 06:19:55 PM »
admin, what drill press and x,y table is that?

Offline Admin

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Re: Dremel Mill
« Reply #11 on: August 20, 2008, 06:47:09 PM »

Offline pomprockerTopic starter

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Re: Dremel Mill
« Reply #12 on: August 20, 2008, 11:14:30 PM »
that looks stuff looks good, how does it compare to a craftsman or delta drill press? in other words, why did you go with that one?

Offline javafiend

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Re: Dremel Mill
« Reply #13 on: August 21, 2008, 09:16:13 AM »
Found this out on ebay

http://cgi.ebay.com/DESKTOP-CNC-MILL-LIGHTMACHINES-LOW-PRICE_W0QQitemZ160274618462QQcmdZViewItem?

If I had the money available right now, I would probably bid on it.  It doesn't look like it includes the stepper motors though.

Offline pomprockerTopic starter

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Re: Dremel Mill
« Reply #14 on: August 21, 2008, 09:53:04 AM »
Found this out on ebay

http://cgi.ebay.com/DESKTOP-CNC-MILL-LIGHTMACHINES-LOW-PRICE_W0QQitemZ160274618462QQcmdZViewItem?

If I had the money available right now, I would probably bid on it.  It doesn't look like it includes the stepper motors though.



shipping costs $126.84 -_-

they tricked ya

Offline javafiend

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Re: Dremel Mill
« Reply #15 on: August 21, 2008, 09:56:17 AM »
Whoa!  Didn't see that  :o

Offline Admin

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Re: Dremel Mill
« Reply #16 on: August 22, 2008, 07:57:22 AM »
Quote
that looks stuff looks good, how does it compare to a craftsman or delta drill press? in other words, why did you go with that one?
Its small and cheap. I have a much larger drill press, and even a CNC, but for a '5 minute job' this was best for me.

Offline pomprockerTopic starter

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Re: Dremel Mill
« Reply #17 on: August 22, 2008, 09:53:57 AM »
What kind of CNC do you have/have access to?

I was looking at those too, but I dunno if I'm ready to pay up yet.

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Re: Dremel Mill
« Reply #18 on: August 22, 2008, 11:08:14 AM »
Haas MiniMill

It's only about $100k. Not too expensive . . .

 


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