Re: [CAD_CAM_EDM_DRO] Re: Is there a comparison between milling machines and software?

Hello John:

Thanks for the comments. This gives me another
perspective on the Roland CAMM2.

mprogee.


--- info.host@... wrote:

> > One thing to bear in mind if doing ANY comparison
> to the Roland
> > machines, they are built similarly to printers.
> There is not much
> > strength in the frame, the spindle mount, the
> spindle bearings, or
> > the axis drive motors. I have never heard from
> any Roland customer
> > that had successfully and satisfactorily machined
> metals, and even
> > plastics are problematic for some. Wax seems to
> be the preferred
> > material.
>
> Oh no! This is the mill we have at school, the
> Roland CAM2. When you
> read the specifications it looks like it might just
> be useful, it says it'll
> mill aluminium, brass and other soft metals. I
> remember, for a project, we
> had to design and make something for the house and I
> decided to do a table.
> I was going to have a piece of aluminium anodised,
> since no where was
> selling it already done, and then have the CAM2 mill
> a chess board about
> half a millimetre into it so it was nice bright
> aluminium on a neon blue
> anodise. I had been told for weeks I could do this.
> Then the day I'm going
> to get the metal I ask again and I'm told the mill
> can't mill aluminium, it
> shakes itself too much and even then I would need to
> buy them a new tool. I
> was seriously miffed to say the least, all I wanted
> it to do was scratch the
> anodising off! It made me mad because I'd been
> relying on it for my GCSE
> mark so I then had to 're-design' around the
> 'difficulties', or worthless
> mill in other words.
>
> I have NO idea why we have this thing, I
> remember reading it was
> thousands of pounds. Why? We don't do any rapid
> prototyping, it doesn't cut
> any sort of metal and it's the only one in the
> entire school that's under
> CNC. We have a bigger mill but I think it's
> constantly used for end milling.
> The only thing I would say is that it is very quiet,
> you can easily talk
> standing beside it. If you want to do any metal work
> I'd look at something
> else. The CAM2 looks, sounds and feels like you
> could brake it with a tap in
> the wrong place. I'm sure a Dremel hand engraver has
> a stronger spindle
> motor. Can you get a mill that _only_ end mills?
> Let me guess, it's called
> an end mill?
>
> John H.
>
>
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