Re: [CAD_CAM_EDM_DRO] How to get high-gloss, decorative finishes?

On Sat, 12 Apr 2003 00:17:11 -0000, you wrote:

>Hi again,
>
>I was wondering if anyone could enlighten me on what methods are
>employed in order to get smooth, glossy finishes on pieces. In
>particular, for ornamental type work. What do "those cool jewelery
>guys" use?
>
>The main problem I have is that end-mills leave trails.
>For flat surfaces, the flycutter does a lovely job, except when
>multiple passes are required, in which case the concentric circular
>patterns interfere with each other to create various interesting
>effects - probably something which if used right could look very good.

you might consider bead blasting, Harbor Freight has some relatively
inexpensive cabinets. You will need an air compressor.

>
>I've seen all kinds of deburring tools, diamond-grid wheels and other
>such things in various catalogs. What type of tools are generally
>used to polish things up? Or is this best done by hand?

Buffing wheels, buffing compound, that, too.

>
>Also, how much does any of this really matter if you end up nickel
>and then chrome plating a part?
>

Yes, because the layer is often thin enough to *not* hide the surface
imperfections.

Harvey

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