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pezsez
02-11-2009, 11:32 AM
I need to cut some aluminum and was hoping someone that has cut it before could help me with some starting bit choices/ speeds and feed rates.

I'm cutting 1/8" flat sheets. cutting out shapes.

Thank you.
Brady Watson
02-11-2009, 12:16 PM
Search for 'Aluminum' on this forum via Google Search (http://www.talkshopbot.com/)

-B
harryball
02-11-2009, 03:46 PM
If that doesn't work, try this thread...
http://www.talkshopbot.com/forum/messages/312/37439.html?1231371475

/RB
fmihm
02-11-2009, 06:03 PM
The "Bits, Speeds, and Feeds" Chart has 38 entries for various materials. Five of the Chart's entries are for Aluminum.

For the Chart, see:
http://www.talkshopbot.com/forum/messages/29/Bits__Speeds__Feeds_01-38344.pdf
Brady Watson
02-11-2009, 08:14 PM
Very nice work, Frank. Thanks for sharing with the group. I have an idea what went into all of that R&D and recording of your settings.

-B
fmihm
02-12-2009, 10:58 AM
Brady, thanks for the kind words. The information was compiled from ShopBot Forum, I just edited it slightly.

Here is the latest version of the chart -- 2/11/09. It contains a corrrection revising Line 31 from "1/2" pass depth" to "1/4" pass depth."

Bit, Speeds, and Feeds Chart, 20090212 Version
Bits (http://www.talkshopbot.com/forum/messages/312/Bits__Speeds__Feeds_20090212-38733.pdf) (16.1 k)
wberminio
02-12-2009, 11:46 AM
Frank
Thanks for doing all this "leg work" for us.This is a real timesaver.

Erminio
john_l
02-15-2009, 10:31 AM
Frank, Many Thanks!!! Great job.