Free Engineering Calculators & Tools
Accurate, standards-based calculators from ValveWormGear — free to use and free to embed on your own site.
Worm Gear Ratio & Output Torque Calculator
Calculate worm gear ratio, output torque, output speed, efficiency and self-locking from worm starts and wheel teeth. Th…
Open calculator →Valve Operating Torque → Gearbox Selector
Size a valve worm gearbox: apply a safety factor to the valve operating torque to get the required gearbox output torque…
Open calculator →Handwheel Rim Pull & Turns-to-Operate Calculator
Calculate handwheel rim pull force and number of turns to operate a geared valve, from required output torque, ratio and…
Open calculator →Worm Gear Output Torque Calculator (Power-Based)
Calculate worm gear output torque from input power, speed, ratio and efficiency. Free engineering calculator.…
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