[TheForge] Bedtime reading

[Andrew Vida]

David E. Smucker wrote:
> Andy,  You may already know this but the use of round to oval to round 
> to oval etc. etc. has been the standard method of hot rolling rounds for 
> may years.  The older mills used to use guides to rotate the rod 90 
> degrees between each pass or mill stand.  New mills are called "no 
> twist" because the rolls are arranged 90 degrees from each other.  I 
> worked on a mill in the 70's that had been built before WWII that 
> started with a 6 inch square and ended with 3/8 inch diameter round.  It 
> had 22 stands, that is it made 22 reductions.  Below the 3/8 dia. round 
> the material went to drawing dies to make wire.  The design of the 
> rolling passes and the shape of the rolls used to be an "art", now it is 
> done with math and computers.  I never did either, but work rather on 
> the mill hardware at the time.

	Yes I am aware, but this article was addressing a new method of 
modeling the process in favor of finite element analysis in order to 
predict precise outcomes of a given process on a given size input stock 
and a given deformation.