wolfgang wrote:
This bending roll arrangement as shown above is called 3-roll pyramid,
and is typically used to roll heavy plate for large pipe, pressure
vessels, and steam drums.
....

This type of bending roll arrangement is not suitable for sheet metal
work.
....

Thank you, thank you, thank you. You just saved me a pile of work. I
was all set to build one of these for sheet metal. Boy, I would have
been ****ed when I found that it didn't work!

RCM: there is still a signal in all the noise,
Bob