has a module of 1.25 mm, 18 teeth cut on the 20° full-depth load system, of 0.5 and kW. a face width
A of steel 12 mm. spur At pinion a speed of 1800 rev/min, this pinion is expected to carry a steady
Determine the bending stress using the Lewis equation.
A bar of steel has the minimum properties Se = 540 kpsi, Sy = 560 kpsi, and Sut = 580 kpsi. The bar
subjected to a steady torsional stress of 15 kpsi and an alternating bending stress of 25 kpsi. Determine
(a) The factor of safety guarding against a static failure.
(b) The factor of safety guarding against a fatigue failure using the Modified Goodman criterion.
These solutions may offer step-by-step problem-solving explanations or good writing examples that include modern styles of formatting and construction
of bibliographies out of text citations and references. Students may use these solutions for personal skill-building and practice.
Unethical use is strictly forbidden.