Machining Copper

[rustynuts]

Does anybody have any experience in machining copper? I will be making round heat sinks first.
I only have manual machines for turning,boring should I use carbide or HSS? speeds? sharp or honed edges? For milling copper, what end mills work best for copper?

 

[CDBEAM777]

USE THIS LUBE !!!! Period !!! ESPECIALLY for Copper !!!!!!!!!!!!!!
Mike-O-Cut #87

Obtainalble here....

https://www.tstool.com/default.aspx?page=Item Search Results

HS good...Carbide NOT needed at all !! Go slow !! CU galls up like BITCH !!!

I have even tapped a 4-40 bore thru a 1/2" CU slab with #87

Took me years to discover this product !!! You can thank me later !!!

I just standard cutting bit on the Lathe !!!

CDBEAM