Re: Re: All Round Machining

Have you tried a mini extension collet chuck?
Darrell

> > [Yes, I can see this could be a problem. I've been researching the
> > availability of extra-long (6"?) but thin (1/8") ball-nosed milling
> > cutters, and whether they would have a tendency to whip or snap. Anybody
> > used these? Any luck? Carbide is more rigid than HSS, but also more
> > brittle- or should I look for titanium?
>
> I would immediately forget this, unless the work material is soft wood,
> foam or the like. I have a couple long end mills. In particular, a 1/4"
> diameter, 4-flute end mill with about a 1.5" length of cut is totally

unusable

> on any metal. If you go for even .001" feed per tooth, and maybe a .050"
> length of cut, it starts screetching and giving horrible surface finish.

This

> is a stellite tool, I believe. Solid carbide would be a little better,

but there's

> no way a 6" long 1/8" diameter tool would work. With light feed, I don't
> think it would break, but it would still vibrate horribly.
>
> Jon
>
> > Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the

discussion of shop built systems in the above catagories.

> To Unsubscribe, read archives, change to or from digest.
> Go to: http://www.onelist.com/isregistered.cgi
> Log on, and you will go to Member Center, and you can make changes there.
> For the FAQ, go to http://www.ktmarketing.com/faq.html
> bill,
> List Manager
>