Credit Weight: 0.5 Prerequisite(s): Engineering 4130 Description: Thread stresses, bolted joints in tension, compression of bolted members, strength specifications, bolt static/fatigue preloading. Strength of welded joints. Stresses in helical springs, critical frequency, fatigue loading. Rolling-bearing life, load and selections. Journal-bearing Petroff’s law, hydrodynamic theory, design charts. Spur-gear fundamental law, contact ratio, interference, planetary-gear train, tooth stresses, fatigue strength, surface durability/fatigue strength. Helical (worm)-gear kinematics, force analysis, and strength. Flywheels. Offering: 0-0; 3-1
