milling fine detail in metal

Good to know!! could explain why I have to pick out all the was models with
a pin after milling.
Im sure the mill type plays a big role in how much cooling is needed. Is
brass the easiest metal to cut at reasonable any speed.
I have found Iron to be very hard
aluminium is very sticky and so on
Thanks again for your help,
Bernard.


-----Original Message-----
From: Darrell [mailto:dgehlsen@...]
Sent: Friday, August 25, 2000 5:06 PM
To: CAD_CAM_EDM_DRO@egroups.com
Subject: Re: [CAD_CAM_EDM_DRO] milling fine detail in metal


You will need air at the least. The main purpose of air or liquid coolant is
to remove the chips from the cutting area. If you don't do that, the cutter
will clog up and break.
Darrell

----- Original Message -----
From: "Bernard Bryce" <brycebernard@...>
To: <CAD_CAM_EDM_DRO@egroups.com>
Sent: Friday, August 25, 2000 8:46 AM
Subject: [CAD_CAM_EDM_DRO] milling fine detail in metal


> Thanks Joe,
> 0,005 is pretty Fine... hard to imagine even.
> Just located the MSC website and ill have a look through it later.
> anyone else with experience cutting metal with a 0.02 inch Mill???
> Do I need air cooling liquid cooling or none at all.
> can anyone recommend any good reading on this subject.
> Bernard
>
>
>
> -----Original Message-----
> From: Joe Vicars [mailto:jvicars@...]
> Sent: Friday, August 25, 2000 2:50 PM
> To: CAD_CAM_EDM_DRO@egroups.com
> Subject: Re: [CAD_CAM_EDM_DRO] milling fine detail in metal
>
>
> You can buy ball end mills down to .005" at most mold supply shops or
> from MSC (page 486). I have never used anything smaller
> than .060 but I imagine you would have to have infinite patience to keep
> from breaking an .005 endmill.
>
>
> brycebernard@... wrote:
>
> > Hello,
> > This is my first letter to this group
> > Over the past few years I have built a small desktop X-Y-Z milling
> > machine. I am currently using it to prototype jewlery in WAX.
> > I am reasonably well on top of the software electronics and mechanics
> > of the system.
> > I have it working to a accuracy of about 0.1mm. To mill wax 0.5mm
> > (0.02inch) broken drill bit works quite well. At this stage however I
> > would like to mill brass (or another suitable metal) Ideally I would
> > like a milling depth of 0.5mm but I can set the machine up to do it
> > in multiple passes.
> > Does anyone know if there are bits available of this size to mill
> > metal (perferrably without using liquid cooling or forced air)
> > I would appreciate any advice on this topic.
> > Thanks.
> >
> >
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> Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the
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Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the
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