Ball Lock Calculator
Ball lock and spring design — torque, geometry, gear ratio, and detent force sizing for ball-lock mechanisms.
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Calculators and tools, free to download.
Practical mechanical design spreadsheets built for quick sizing checks, plus a few productivity tools worth sharing.
Mechanical design
Calculators
Clutch Calculator
Multi-plate clutch design calculator covering engine power, reduction, plate sizing, and spring design.
DownloadGear Force Calculator
Force calculations across spur, helical, straight bevel, spiral bevel, and worm gear pairs in one workbook.
DownloadKey Length & Splines Calculator
Shaft and key length sizing from torque, diameter, ultimate tensile strength, and design factor.
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