The tensile stress on the bolt is 78.29 MPa.
What Exactly Is Tensile Stress?
Tensile stress () is an object's resistance to a force that may rip it apart. It is measured in Newtons/mm2, but was formerly denoted in tons/inch2. It is computed with the maximal strain endured by the object in question without tearing. Tensile stress is defined as the magnitude of force applied along an elastic rod divided by the cross-sectional area of the rod perpendicular to the applied force.
T = C_t x D x sigma x A_s
tensile stress = sigma = T/(C_t x D x A_s)
A_s = (pi/4)x(D - 0.9382xp) ^2
D = 12mm <-- diameter
p = 1.75 <-- pitch
C_t = 0.24 <-- torque coefficient
T = 19000 N-mm <-- torque
A_s = (pi/4)x(12 - 0.9382x1.75)^2 = 84.3 mm^2
tensile stress = 78.29 MPa
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