Design of chain conveyor mechanism drive - heading

Contents

1. Introduction

2. Kinematic calculation of the drive

3. Selection of gear material

4. Design and verification calculations of gears

5. Forces in gearing of drive gears

6. Preliminary Shaft Calculation

7. Refined calculation

8. Calculation of shafts by variable voltages

9. Calculation of key connections

10. Select Drive Element Fits

11. Selection of oil grade

12. Description of gearbox assembly order

13. List of literature used

14. Conclusion

1. Introduction

The implementation of the course project on "Machine Parts" completes the general technical cycle of student training. This is the first independent work in which knowledge from a number of disciplines passed is actively used: mechanics, material resistance, interchangeability and others. The object of this creative engineering work is the drive of the chain conveyor mechanism, which consists of a series 4A electric motor, a belt transmission, a chain transmission, a conical reduction gear, which is installed on a welded frame. When designing the drive, there are no deviations from the kinematic circuit. During the work, the information about most parts and units of the general machine-building application is familiarized and assimilated. When performing a course project, the student becomes involved in engineering, learning from previous experience, learns to anticipate new ideas in creating machines - reliable and durable, economical to manufacture and operate, convenient and safe to maintain!

11. Selection of oil grade.

Oil grade is selected according to tables [11.1, Art. 198] according to the above calculation of gear gears. Select I-G-A-32 grade oil for gears, as

Determine permissible level of wheels immersion.

Where is the m-engagement module. The maximum allowable depth of immersion of the wheels depends on the circumferential speed of the wheels, the slower the rotation of the wheel the greater the depth it can be submerged. In a two-stage gear at circumferential speed, the wheels of both stages of the gear should be immersed in oil.