Predict the output of load - curved beam theory, Mechanical Engineering

A load cell based on a "proving ring" is shown below.  The circular portion of the load cell has an inner radius of 1.25 in and outer radius of 1.50 in.  The ring has a depth (i.e., thickness) of 0.50 in, and is made of 2024-T4 aluminum (E = 10.6 Msi, ν = 0.32).  Four identical uniaxial strain gages (gages G1 - G4) are bonded to the ring at the locations defined in Figure 1, and wired together in a Wheatstone bridge as shown in Figure 2.  The cell is designed to measure tensile loads ranging from 0 to 200 lbf.  

Predict the output of this load cell based on "Curved Beam Theory" assuming a gage factor of 2.00.   

 

Posted Date: 3/23/2013 5:20:01 AM | Location : United States







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