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Featured Theory Guide
Shaft Design Basics: Fatigue, ASME Sizing & Stress Analysis
Master transmission shaft sizing under combined torsion and bending loads. Covers ASME B106.1M allowable stresses, keyway stress concentrations, fatigue limits, and deflection criteria.
Popular Publications
Rolling Element Bearing Selection and Life Expectancy
A comprehensive guide to selecting ball and roller bearings, calculating dynamic equivalent loads, and using ISO 281 fatigue models.
Bolt Preload Calculation: Torque vs Clamp Force & VDI 2230 Guide
Master bolt preload calculation, torque-tension relationships (T = K·Fi·d), nut factors, proof load utilization, and joint clamp force design per VDI 2230.
Latest Guides
Rolling Element Bearing Selection and Life Expectancy
A comprehensive guide to selecting ball and roller bearings, calculating dynamic equivalent loads, and using ISO 281 fatigue models.
Bolt Preload Calculation: Torque vs Clamp Force & VDI 2230 Guide
Master bolt preload calculation, torque-tension relationships (T = K·Fi·d), nut factors, proof load utilization, and joint clamp force design per VDI 2230.
Engineering Materials Guide: Steels, Aluminum, Alloys & Plastics
Compare mechanical properties (yield strength, elastic modulus, density, machinability) for carbon steel, alloy steel, stainless, aluminum, brass, cast iron, and polymers.
Understanding Stress-Strain Curves, Elasticity, and Yield Behavior
Deconstruct the tensile test diagram: elastic limits, plastic deformation, necking, ultimate strength, and ductile fracture modes.