Calculation and Design of a Mechanical Drive of a Paddle Feeder Containing a Two-Stage Vertical Cylindrical Spur Gearbox

Calculation of the reducer

1. Calculation and design of the drive of mechanical devices. 2

1.1. Service life of the drive unit.       2

1.2       Motor Selection and Kinematic Calculation. 2

1.2.2. Determination of the gear ratio of the drive and its stages. 3

1.2.3. Determination of power and kinematic parameters of the drive. 4

 2 Calculation of Mechanical Transmissions . Calculation of the 1st gear bevel gear. 5

2.1       Verification calculation of contact stresses. 8

2.2. Calculation of the 2nd gear spur gear. 9

3 . Thermal calculation of the gearbox. 12

4. Forces in meshing. 13

5. Console Forces..       13

6. Design calculation of shafts.      14

2.2       Drive shaft 14

2.3       2nd Wave 14

2.4       Output shaft. 15

7. Pre-selection of bearings.      17

8. Sketch layout of the gearbox.      17

9. Checking the strength of keyways.      18

2.2       2nd gear gear . 19

2.3       2nd gear wheel. 20

10. Calculation of shafts. 21

Calculation of the moments of the 1st shaft. 21

2.4       Diagrams of the moments of the 1st wave. 23

Conclusion. 24

Bibliography..  25