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Spur gear calculations
Internal spur gears
Straight bevel gears
7 other sections not shown
Other editions - View all
addendum modification coefficient Axial module Axial pitch backlash balls or pins bending stress bevel gears calculated as follows cast iron centre distance Chordal circular pitch cone distance contact ratio contact stress Corr correction cycles Dedendum angle Diameter quotient diametral pitch dimensions Dynamic load equivalent running facewidth factor for contact factor for strength factor of safety following formula ft/min gear design gear pair Gear ratio gear teeth geometry factor Grade of gear hardened and tempered helical gears helix angle hypoid gears involute lead angle material metric module millimetres Minimum molybdenum number of teeth PC dia permissible pinion and wheel pitch circle Pitch cone angle pitch tolerance pressure angle rev/min safety factor speed factor spiral angle spur gears steel hardened stress formula surface stress factor taken from Figure tangential load tensile tolerance is calculated Tooth alignment tolerance tooth contact torque transverse values worm gears worm thread wormwheel zone factor