DESIGN OF A CONVEYOR CHAIN DRIVE WITH A TWO-STAGE CYLINDRICAL-WORM GEARBOX

  Task........................................................................................................................................................................ 2

   Kinematic calculation.............................................................................................................................. 2

   Calculation of gears............................................................................................................................. 5

      Spur gearing................................................................................................ 5

      Worm gearing.............................................................................................................. 8

   Calculation of support reactions of all shafts............................................................................................................. 9

       Middle shaft...................................................................................................................................................... 9

       Output shaft................................................................................................................................................. 10

       Input shaft..................................................................................................................................................... 11

   Bearing selection............................................................................................................................................. 13

   Design of keyways................................................................................................................... 14

   Diagrams of the moments of all shafts......................................................................................................................... 16

        Input shaft.................................................................................................................................................... 16

        Middle shaft.................................................................................................................................................... 17

        Output shaft................................................................................................................................................. 18

   Verification calculation of shafts............................................................................................................................ 19

   Choice of couplings.............................................................................................................................................................. 22

   Thermal calculation of worm gear.................................................................................................. 23

   Gearbox assembly................................................................................................................................................. 23  

   Lubricant selection and brushing system............................................................................................................... 23

   References............................................................................................................................ 25