Development of a general-purpose drive as part of a single-stage helical gearbox with straight teeth and a chain transmission

Course project on the topic "Calculation of a helical gearbox".

Single-stage helical gearbox

Gear ratio - 4

Drive shaft speed - 2910 rpm

Torque on the drive shaft - 39 N*m

Scope of the project: explanatory note, general drawing, specification, layout, gear drawing, driven shaft drawing, chain drive sprocket drawing.

Content of the explanatory note:

1. Kinematic calculation and selection of an electric motor. 

2. Calculation of gear gears. 

3. Preliminary calculation of shafts. Shaft design. 

4. Determination of the structural dimensions of the gear.

5. Determination of the structural dimensions of the gearbox housing. 

6. Calculation of the chain transmission. 

7. The first stage of the layout.

8. Checking the durability of bearings.

9. The second stage of the layout.

10. Checking the strength of keyways. 

12.  Selection of the type of lubricant and determination of its volume. 

13. Assembly of the gearbox.