Re: [CAD_CAM_EDM_DRO] Re: 3D printer fun with powder

At 12:24 PM 6/21/2007, you wrote:

> > Have you considered what is known as a doctor blade? Look up
> > "Gravure Doctor Blade" on Google (WITH the quotes) to see a small
> > number of references. Remove the quotes and see 95,000 of
> > them! With a properly set up doctor blade, the speed should be less
> > of an issue.
>A doctor blade is what is used in laser printers to provide a
>very thin, even film of toner on the transfer roller. It is
>usually a piece of stiff mylar, maybe .01" thick (.25 mm)
>You'd need to spread an excess amount of the powder first, then
>the doctor blade would sweep the powder level.
>
>Jon

John, that is not what we are discussing, read about the gravure
process and imagine a drum with no engraving present. The doctor
blade will remove ALL the powder.


David G. LeVine
Nashua, NH 03060