Yikes with a typical 6" facing mill that is over 11k SFM..
Talk about going for it!!
Sure hope he uses a lot of coolant when cutting!!
Dave
Rick Byrnes wrote:
>
> You are right Bryan.
> Flatness, waviness and finish need to be very controlled when using the
> multi layer gaskets, just like we didn't have in the days of the embossed
> steel shim gaskets. I see this technology as the next logical evolution of
> the old steel shim, but this one works. Embossment is better, and rubber
> coatings work well.
> The very fine finish actually required a new way of looking at the surface
> but in any language it is smooth as a babys bottom, and not many
> bumps.....Waviness is another critical requirement, and is almost never
> accounted for with the old ways of looking at machining specifications.
> Since I use metallic "O" rings to seal combustion on the turbo motor, my
> surface requirements have been the same. I finally found a machinist to
> give me the finish that the metal to metal joint requires. They typically
> use 7000rpm cutter speed with a very slow feed rate on my aluminum cylinder
> head.
>
> Rick
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/// what is needed. It isn't that difficult, folks.
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