Gear design, fasteners, stress analysis, machining and more.
A practical guide to gear selection and system design — covering gear types, key parameters (module, tooth count, pressure angle), material choices, centre distance, backlash, and strength verification. Includes hard-won tips on tooth pairing, lubrication, and weight reduction design.
A grounded guide to rolling bearing service life — what L10 actually means statistically, why rated life diverges from real-world performance, how to apply ISO 281 modified life factors, and the three calculation mistakes that silently wreck bearing selections.
Learn how to calculate gear ratios for simple and compound gear trains, with worked examples and practical design tips.