Thrashsmith
Member
- Messages
- 657
I bought a powered ring/section roller the other day, not a commercially made set, they're a very well made home made set. I think I'm the 3rd owner, including whoever made them.
They've only got flat rollers on currently but with a bit of jiggery pokery I think some dies could be slipped on that will prevent box section/circular hollow from deforming.
Question is: if I was rolling 40mm SHS for example, how much of the vertical face needs to be covered to prevent it pooching out? I've attached a crappy sketch to help illustrate what I mean.
I'm not looking roll 40mm SHS specifically, it's more of a generalized question. How much of the profile needs covering to prevent drastic distortion? One third? Half?
Cheers
They've only got flat rollers on currently but with a bit of jiggery pokery I think some dies could be slipped on that will prevent box section/circular hollow from deforming.
Question is: if I was rolling 40mm SHS for example, how much of the vertical face needs to be covered to prevent it pooching out? I've attached a crappy sketch to help illustrate what I mean.
I'm not looking roll 40mm SHS specifically, it's more of a generalized question. How much of the profile needs covering to prevent drastic distortion? One third? Half?
Cheers