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FORGING RATIO - FLANGES

FORGING RATIO - FLANGES

FORGING RATIO - FLANGES

(OP)
Hi All,
I'm quite familiar with calculating forging ratios, but how is this performed for wn flanges (i.e. items with effectively 2 cross-sectional areas?)

I'm forging a 320mm diameter x 380mm height bar into a flange of body diameter 500mm x 114mm height and neck diameter 265mm x 136mm height.
Would it simply be the original height divisable by the final height? 380/(114+136) = 1.52:1?

Thanks in advance.

RE: FORGING RATIO - FLANGES

(OP)
Hi,
Cheers!

What I'm getting at is the ratio between heights would oridinarily be the same as the ratio between the cross-section in a uniform cylinder.
In a flange this is not the case, but from what I think you're saying/the links say...

I simply calculate, if upsetting, max cross-section of final divided by initial cross-section?
Regardless of the shape?

Thanks.

RE: FORGING RATIO - FLANGES

Yes.

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