Posted By<" ">B.J. Hughes on May 21, 2002 at 09:42:10:
In Reply to: stress Area for screw thread posted byRoberto Portulano on May 14, 2002 at 03:48:10:
Equations to determine stress area for screw threads: reference Machinery's Handbook (Edition 24, page 1325)
For steels of up to 100,000 psi ultimate tensile strength:
A = .7854(D-.9743/n)^2; where A=tensile stress area of screw thread, D=basic major diameter of thread, n=number of threads per inch
For steels of over 100,000 psi ultimate tensile strength:
A = 3.1416((Emin/2)-(0.16238/n))^2; where Emin=minimum pitch diameter of external thread, all other symbols remain same as above
I hope that this info is helpful.
: Would I like know a theoretical equation to calculate stress area for screws thread.
: best regards.
: roberto Portulano
< "> Subject: Re: Re: stress Area for screw thread
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