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Yet another paddleducks engine build

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CrewCab:
Hi Ian,
Glad to her your putting the mill to good use  :thumbup: ............. as for aluminium mine often comes from Fleabay and is usually specified by price rather than grade  :scratch:

I'm sure someone will be along with a sensible answer before long  :beer:

CC

spuddevans:

--- Quote from: boatmadman on February 18, 2010, 04:41:52 PM ---Can anyone suggest what grade of aluminium I should use for the block base plate, and where I might get it?

Thanks

Ian

--- End quote ---

I cant comment on what grade, but on thickness I asked about the same thing and got told This

Tim

Bluechip:
Ian

In case it's any help, I have some 15mm thick 6082T6 which mills very well. ( I only know this 'cos it's printed on it ).

Afraid I don't know where to get it from, as I scrounged it some time ago.

I have some other Ally which is awful stuff, so there are probably some specs. that are not very suitable for machining.

Dave BC

Bernd:
6061 T6 is common around here. Then there is a plate called jig plate which is a softer grade of aluminum, 2024 I believe. Then there is the harder stuff 50 something or other. I know it don't help much, but I'd used 6061 since I have quite a bit of it. Unfortunatley it's in the USA.

Bernd

AdeV:
Here's some basic info about aluminium grades, and a the machinability of some of them at least: http://www.merseymetals.co.uk/aluminium.html

I can also tell you that N8 seems to machine quite well, as that's what I've got tons of at the moment...

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