On Tuesday, February 14, 2012 09:22:10 PM doug metzler did opine: > Make sure you're wearing full breathing apparatus if you mill PCB > material. > > I was thinking along similar lines - why not Delrin or some other > appropriate plastic? > > DougM > How opaque to the IR is delrin? I have no clue without googling it.
> On Tue, Feb 14, 2012 at 5:39 PM, Erik Christiansen > > <dva...@internode.on.net> wrote: > > On 14.02.12 15:20, gene heskett wrote: > >> The encoder wheel > >> itself will be trapped between the spindle bearing lock buts. > > > > Gene, have you considered using a piece of thin PCB material for the > > encoder wheel, since all your sheet Al is toffee? A piece of the brown > > phenolic stuff would be easier on the tool. Copper is needed on at > > least one side, if the green fibreglass board is used, because it lets > > too much light through. (About 34 years ago I was cautious enough to > > check a piece before making a wheel, and switched to PVC sheet. But > > I had more room, for a thicker wheel, than you do.) > > > > Erik > > > > -- > > A man with one watch knows what time it is. > > A man with two watches is never quite sure. > > > > > > ---------------------------------------------------------------------- > > -------- Virtualization & Cloud Management Using Capacity Planning > > Cloud computing makes use of virtualization - but cloud computing > > also focuses on allowing computing to be delivered as a service. > > http://www.accelacomm.com/jaw/sfnl/114/51521223/ > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > ------------------------------------------------------------------------ > ------ Virtualization & Cloud Management Using Capacity Planning > Cloud computing makes use of virtualization - but cloud computing > also focuses on allowing computing to be delivered as a service. > http://www.accelacomm.com/jaw/sfnl/114/51521223/ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users Cheers, Gene -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) My web page: <http://coyoteden.dyndns-free.com:85/gene> The inherent vice of capitalism is the unequal sharing of blessings; the inherent virtue of socialism is the equal sharing of misery. -- Churchill ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
