[Hex]

Hi
I`m hoping to tap into your vast experience to help solve a problem.
Plaese note that i`m not a blacksmith, more of a hobbiest, but i`m quite resourceful :wink:

My question is roughly how much force (in tons or kg) is required to press 3mm thick aluminium sheet approx 10" in diameter into a shallow cone?

The angle of the "dish" after pressing will need to be about 12 degrees..but i`m guessing the tooling will need to be at a greater angle to account for springback?

I wondered if this sounds like a remotely workable plan,
My first thought is to use a hydraulic press with a male punch and a female die (hope the terminology is correct)
Essentially the punch pushes the aluminium sheet into the die and forms the shallow cone.
A center hole in the aluminium sheet (and in the punch) placed over a locating pin in the die to keep things aligned during the pressing operation.

Any and all advice appreciated

Regards Colin