Re: New DIY CNC Micromill

Nice one Salvador, it looks pretty solid/rigid for a small mill.

Phil

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "sattwaguna" <sattwaguna@...>
wrote:

>
> Hello all,
>
> Thanks to "caudlet" for uploading a photograph of my new machine, it
> is in a folder named "Salvador's Micro Mill", in the Photos section.
> The link is:
>
> http://ph.groups.yahoo.com/group/CAD_CAM_EDM_DRO/photos/browse/3c4a
>
> Still some small details must be done, like bellows in the Z axis or
> to attach the springs that I've put to cover the soldered wires of

the

> motors, for cosmetic reasons. I'm still thinking how to do the last
> task in an elegant way.
>
> I think that I like more to design and build machines that to make
> jewellery.
>
> Though it's a machine with ballscrews and linear wagons, it's a

basic

> machine, no limit switches or similar yet. The purpose of the

machine

> is to make engravings in jewellery pieces. The drivers are bipolar
> ones with 1-64 microsteps. I have tested two linear axis and the 4th
> one, while doing the machine, but with 1 to 8 microsteps drivers.

All

> Ok, but I must build now the final driver box.
>
> At the begining I was taking photographs of the diferent pieces and
> intermediate assembly process, and they are in a PowerPoint file.

When

> The X, Y and A axis where ended, I forgot to take more photographs.

I

> don't know if some of you are interested. The file weights 1'03 Mb,
> but as the uploading is limited by the moderators I could send the
> file to anybody who wants it, or could upload the individual files

to

> an image server.
>
> The machine was done with a CNC'ed 103 kg milling machine, the

Optimum

> BF20 Vario that whe know very well here in Europe. Very few lathe
> work. I used TCNC. It has been machined with a precision of 0'01 mm,
> or better, where it has been a must.
>
> My best wishes to all.
>
> Salvador Alcaraz
> Spain.
>