I'm curious how well the compression / extension tap holders would compare.
and isnt the nature of springs to require more force to compress farther?
wouldnt that result in more pressure being applied to the cutter on Z? or
could it be gravity fed to overcome this? I wouldnt mind doing some
engraving myself once i get my mill done.
On Jan 4, 2008 8:34 PM, Dean Hedin <[EMAIL PROTECTED]> wrote:
>
> ----- Original Message -----
> From: "William Scalione" <[EMAIL PROTECTED]>
>
>
> > I would suggest that if you plan to engrave metal with text or other
> > fine lines that you
> > try to find a spring loaded floating engraving spindle. They keep the
> > depth of cut at
> > an exact depth for the entire job. Doing letters, a difference of only a
> > few thousandths
> > of an inch in depth of cut, when using a "V" type engraving tool will
> > make the lettering
> > look very bad. You can get a constant depth on a 5000 pound bed mill
> > pretty easily, but
> > on a home made machine, built from aluminum and Ace hardware parts, it's
> > not so easy.
> > I have made a couple of non floating engraving spindles into floating
> > ones pretty easily.
>
> Interesting. I had never heard of a spring loaded engraving tool.
> I googled this to see what one looks like.
> http://www.2linc.com/engraving_mini.htm
>
> Unfortunately they are pretty exspensive from that place. However I have
> now decided that I need one of these.
>
> Looks like something I could turn on the lathe but with the telescoping
> portion it might be hard to keep
> the bit runout to a minimum. They must be made out of ground tool steel.
>
> I would be grateful if you could elaborate on converting "non floating
> engraving spindles into floating ones"
>
>
> > Also, I used a small laminate router on my machine for about a week
> > before it was totally
> > shot. Problem is it was designed to run for 2 minutes at a time, not an
> > hour or more that
> > will be required when doing engraving jobs. The bearings get hot and
> > then the plastic
> > that holds them get soft. Now you have a piece of crap spindle with an
> > 1/8 inch end play
> > which is not suitable for engraving fine lines, much less anything else.
>
> I would agree with the above. But I have had pretty good results with the
> first generation Rotozips.
> They seem to have a really good cooling design and decent sized bearings.
> I
> have run them for up to
> an hour without trouble.
>
> Although I have from time to time considered turing a new housing out of
> some aluminum tubing.
>
>
>
>
>
>
>
>
> -------------------------------------------------------------------------
> This SF.net email is sponsored by: Microsoft
> Defy all challenges. Microsoft(R) Visual Studio 2005.
> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> _______________________________________________
> Emc-users mailing list
> Emc-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-users
>
-------------------------------------------------------------------------
This SF.net email is sponsored by: Microsoft
Defy all challenges. Microsoft(R) Visual Studio 2005.
http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
_______________________________________________
Emc-users mailing list
Emc-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/emc-users
