Re: [CAD_CAM_EDM_DRO] milling fine detail in metal

Hi.

There are small ie< 1mm (0.040") carbide burrs on 1/4" shank available. as
industrial parts.

A very wide variety of small shapes and sizes of cutters are available as
"Dental Burrs" from craft suppliers and hobby stores , as well as dental
supply places. These are usually HSS. and have a standard 3/32" or 2.5mm
shank. They will cut brass very well.

Dremel also make or sell them fpr their "MotoTools, but are usually much
dearer here in Australia.

Jim Gregg

At 11:11 AM 8/25/00 +0000, you 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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discussion of shop built systems, for CAD, CAM, EDM, and DRO.

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