MBD - Planetary Gear System

Planetary Gear

Objective

To run the motion analysis on a planetary gear system, complete with the sun gear, ring gear planetary gear and the carrier for the planetary gears

Procedure

• 3D models of the various components in a planetary gear system such as sun gear, planetary gear, ring gear and the carrier were modelled in solidworks. In this study a 3 planet gear system and carrier is used

Sun Gear:

Planet Gear:

Ring Gear:

Carrier:

• Solidworks assembly is used to assemble all the various parts of the planetary gear system and motion analysis is set up for the various study required.
• Precise contact is set up
• Input speed is setup for 200 RPM and output is taken by keeping various elements fixed

Planetary Gear Assembly:

The following cases are to be simulated using motion analysis in solidworks

Sl. No	Input	Output	Fixed
1	Sun Gear	Carrier	Ring Gear
2	Ring gear	Carrier	Sun Gear
3	Sun Gear	Ring Gear	Carrier

Case 1:

Case 2:

Case 3:

Conclusion

All 3 cases seem to show the same variation in angular velocity but Case 1 shows the most steady reading of them all. A few variations may be noted in Case 3 but that is negligable. Overall the system is a smooth unctioing system.