Calculation of the efficiency and the design life for a worm gear. Definitions related to worm gears geometry; ISO 6336-6, Calculation of. Worm Gear Design Calculation Pdf To Excel. What’s the Difference Between Spur, Helical, Bevel, and Worm Gears? Download this article in.
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ZAR3 Worm Gear Calculation Z A R 3 + Software for Worm Gear Design (C) Copyright 1993-2018 by HEXAGON Software, Berlin Bases for Calculation ZAR3+ calculates all dimensions of cylindrical worm gear pairs with ZI, ZA, ZK, ZN or ZH worms, as well as efficiency, tooth forces and the safety margins against root fatigue fracture and pitting. Pre-dimensioning In pre-dimensioning recommendations are made for axial distance, modulus and number of teeth based on gear ratio, drive power, drive rotational speed and material. The recommendations can be used in the following geometry and strength calculations. Geometry Calculation In dimensioning you can adjust the recommended values to match available sizes or company standards. Or by varying the axial distance ratio and addendum modification you can determine the optimum worm gear for your application. Strength Calculation The strength calculation computes the factors SF (fatigue fracture) and SH (pitting) along with tooth forces on the worm and worm gear, as well as the efficiency of the gear. Efficiency ZAR3+ calculates the toothing efficiency, toothing and idling loss of power.