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Engraving aluminium question

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AdeV:
Thanks everyone for the further contributions. As is usual with my projects, I've not made any progress with this one just yet... so all additional ideas & concepts will be welcomed :)

nrml - I can't use the die sinker as I can't fit the cam cover into the tank... and I don't really want to go with a stick-on plate as it'll spoil the effect I'm looking for, i.e. I'd like it to look like it was engraved in the factory, not afterwards. Jaguar simply stuck a plastic sticker on there, but I'd like to think that if they'd had some wiggle room in the budget, they'd have gone with an engraving...

nrml:
How about two or three colour anodising? It wont have the etched look, but it will look better than a sticker. The coloured cam covers could tart up the engine bay if you choose leads, tubes and bits to complement it.

cwelkie:
Hi Ade - I'm late to the party and a long ways from expert on engraving but do have a touch of beginner's luck.

I wanted an engraved name plate for my 1/4 scale Gnome rotary (attached to the crankcase).  The letterings was going to be very small and on an arc.  Cambam made easy work of that - all the layout work was done in Cambam.

I used a shop-made engraving cutter (pointed ver; about 0.01" tip/10 degree angle).  A test on aluminium went pretty well to try and set depth-of-cut.  As long as I kept a steady stream of cutting fluid present and helped clear the swarf, my shop-made (Momus) router did a great job.
Here's a photo of the end result with a scale to help with size.

Good luck with your Jaguar project ... I drive an '86 XJS 5.3L - summers only!
Cheers
Charlie

DMIOM:
Ade - please see your PM

Dave

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