pic: 3 Hour Chassis + 2 Hours

[Ty Tremblay]

Originally Posted by JamesCH95

I do a fair amount of aluminum machining dry without too much argument... what sort of tooling are you using? Are you making nice aggressive cuts to keep heat in the chip?

I've had good luck with carbide tooling and heavy feeds on 6, 2, and 7 series alloys.

I assume because you're planning on welding it you're going to use a 5 series alloy, which has a "poor" machinability rating, which may well be your problem.

I'm also on 190, which has plenty of Haas CNC mills for me to do my worst with. My alma mater team, 319, has the CNC I've mentioned, but I've never seen it run. I was intending to use 6061, but should I choose something else due to my intention to weld? Also, is it difficult to weld two different alloys together?