Is My Fixture Design Structurally Sound for a 200lb Load?

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SUMMARY

The discussion focuses on the structural integrity of a fixture designed to support a 200lb load, specifically a track robot and sheet metal. The user seeks assistance in creating a free body diagram (FBD) to analyze the forces acting on the fixture. Key considerations include the placement of the weight and the necessity for additional supports or counterweights. The user emphasizes the importance of proper engineering drawings for accurate analysis.

PREREQUISITES
  • Understanding of structural analysis principles
  • Familiarity with free body diagrams (FBD)
  • Knowledge of load distribution in mechanical systems
  • Experience with engineering drawing techniques
NEXT STEPS
  • Research methods for creating accurate free body diagrams
  • Learn about load distribution and its impact on structural design
  • Explore software tools for structural analysis, such as SolidWorks or ANSYS
  • Study best practices for designing fixtures to support heavy loads
USEFUL FOR

Mechanical engineers, structural analysts, and anyone involved in designing fixtures for heavy machinery or robotics will benefit from this discussion.

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Homework Statement


I am designing a fixture to hold a large piece of sheet metal on which a track robot will be tested vertically. Below is a sketch (the sheet metal on which the track and robot will be mounted will be attached to the vertical aluminum extrusions in the back)
The weight of the robot, track, and sheet metal will be around 200lbs.
I need to do a structural analysis to determine if this will be structurally sound or if I need to add extra supports or counterweight.

https://drive.google.com/file/d/0B0tZHukk_GenaHdmaXFwMFZNOVE/view?usp=sharing

side view
https://drive.google.com/file/d/0B0tZHukk_GenRWdfWlhfeWhPLVE/view?usp=sharing

Homework Equations



I am in need of assistance with the free body diagram, I know where to go from there so no equations are needed at the moment.

The Attempt at a Solution


I am not sure where to start here in terms of the FBD, especially in regards to the weight of the robot and sheet metal and where those forces would lie.
 
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If you want help with this problem then please post some proper engineering drawings of the assembly with backplate , rails and robot in place .
 

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