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December 4th, 2017, 09:54 PM  #1 
Newbie Joined: Dec 2017 From: China Posts: 2 Thanks: 0  calculate sheet metal cutting force The cutting force calculation of inclined blade shear with blade support in straight motion mainly use the Norshari Formula by the former Soviet scholar. Can you fully understand? You can check full article here: https://machinemfg.com/sheetmetalc...ecalculation/ 
December 5th, 2017, 05:32 AM  #2 
Math Team Joined: Jan 2015 From: Alabama Posts: 3,264 Thanks: 902 
I would expect that "$\displaystyle tg\alpha$" is the tangent of angle $\displaystyle \alpha$ but to understand that formula I would need to know what all of those individual parameters, $\displaystyle \alpha$, $\displaystyle \delta_x$, $\displaystyle \sigma_b$, h, X, Y, and Z represent. I presume those are given at the website linked to. Once you know the values for those, the rest is arithmetic.
Last edited by Country Boy; December 5th, 2017 at 05:34 AM. 

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