MBD Simulation using solid works
Aim:
To Use the following 2D CAD drawings to create the 3D model of the internal Geneva mechanism.
Objectives:
- Create 3D models for driver and driven wheels.
- Perform motion analysis by rotating the driver wheel at 10rpm.
- Obtain the following plots
- Contact force (between driving and the driven wheel) as a function of time.
- Angular Displacement of the driven wheel.
- Compare the contact forces with and without "Precise contact"
- Show image for precise contact selection
- Export the results that you get to Excel and make the plots over there
- To navigate to the "Precise Contact" follow the steps given below.
Geneva mechanism:
Geneva mechanism, also called Geneva Stop, one of the most commonly used devices for producing intermittent rotary motion, characterized by alternate periods of motion and rest with no reversal in direction. It is also used for indexing
Modeling and assembly:
Driver component:
Driven component:
Final Assembly:
Plots:
Case 1:
10 rpm,60fps
No precise contact:
Contact force:
Angular displacement:
Case 2:
10 rpm,60fps
With precise contact:
Contact force:
Angular displacement:
Case 3:
20 rpm,120fps
No precise contact:
Contact force:
Angular Displacement:
case 4:
20 rpm,120fps
With precise contact:
Contact force:
Angular displacement:
motion video:
Result:
Hence the motion is obtained and graphs are plotted with and without precise contact