PLANETARY GEAR WITH CARRIER AMSEMBLY WITH MOTION ANALYSIS USING SOLIDWORKS

PLANETARY GEAR WITH CARRIER AMSEMBLY WITH MOTION ANALYSIS USING SOLIDWORKS

INTRODUCTION

In this Planetary Gear system there are

1. Sun Gear – 1
2. Ring Gear – 1
3. Planetary Gears – 4
4. Carrier – 1

To find Planetary Gear PCD and No. of Teeth,

We have formula,

For Finding out PCD,

After substitution, Obtained values of planet gear are

Type of Gear	Pitch Diameter	No. of Teeth	Module	Nominal Shaft Diameter
Ring Gear	115	46	2.5	-
Sun Gear	35	14	2.5	20
Planetary Gear	40	16	2.5	15

Design and assembly Section –

At Before, Carrier need to be modelled as shown,

Figure – Carrier Geometry

However, remaining Parts can be drawn directly to assembly section from design library as shown,

DESIGN LIBRARY – ANSI METRIC – POWER TRANSMISSION – GEARS

Figure – Complete Assembly with carrier and gears

Figure – Isometric view of complete Assembly with carrier and gears

Motion Analysis –

Step 1- Make sure solid works motion is enabled in add on’s and kept in motion analysis path at left corner.

Step 2- Then after apply the conditions as such, given in problem statement

3 Cases:-

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

Step 3 – Insert a motor to input part and get values or plots from output by fixing the fixed part.

Step 4 – Make contact pairs and apply the material of parts.

Step 5 – Set the runtime simulation and RPM.

Step 6 – Initially calculate, then after obtain the plots of angular velocity and time.

Case -3

Figure – Angular Velocity and time

Conclusion for Case 3 –

As motor given to Sun Gear, it transmits motion to planetary gears and then to ring gear. Angular velocity achieved is less because of more ring size and carrier remains fixed.

Link Provided for Simulation