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Engineering
Mechanical Engineering
Rolling mill force calculations
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[QUOTE="jrmichler, post: 6811550, member: 638574"] My copy of Manufacturing Processes for Engineering Materials, by Kalpakjian gives a simplified method of calculating the roll separating force as ##F = Lwp_{av}## where ##L## is the length of the arc of contact ##w## is the width of the roll contact ##p_{av}## is the average contact pressure The average contact pressure is a function of material strain hardening, amount of thickness reduction, and friction coefficient. For example, the effect of friction coefficient is as follows. Note the large change in roll separating force with friction coefficient. [ATTACH type="full"]315685[/ATTACH] The complete discussion runs about 16 pages in my first edition of this book. It's a little much to summarize for this thread, and the 6th edition of the book is available at a very reasonable price from Amazon: [URL]https://www.amazon.com/dp/B09YMFB23Z/?tag=pfamazon01-20[/URL]. The book is well written, easy to understand, and I highly recommend it. The low cost paperback copy in the Amazon link is for a book printed in India. That could be a problem if you wanted a textbook for class, but should be perfectly acceptable as a reference for a personal project. [/QUOTE]
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