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Throatless rotary shear adjustment

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AGCB97

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#1
I have acquired a Lennox 18 rotary shear and am looking for info on adjusting it for various sheet metal. I saw something on web but now can't find it again.
Thanks
Aaron
 

benmychree

John York
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#2
I'd think the same for punching and shearing; 5% of the material thickness per side, 5% for a shear, 10 % for a die (on diameter).
 

AGCB97

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#3
I'd never thought of that relationship but it sounds good!
Thanks
Aaron
 
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