Working Model #4

# Working Model #4 - Anil Kanungo ME 324 Fri 2-3pm UT EID...

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Anil Kanungo ME 324 – Fri 2-3pm November 25, 2008 UT EID: ASK358 Working Model Assignment #4 This Working Model Assignment asked us to analyze a window mechanism that used a system of gears and bars to operate. Using the relative angular velocity equations (v 1 ω 1 =v 2 ω 2 and v=ωr), we were able to determine the vertical velocity of the window AE given an angular velocity, ω C = -0.5 rad/s about gear C. There was assumed to be no friction, a constant angular velocity about gear C, and that bars AB and EF are parallel.The Working Model setup is illustrated below: In this diagram, I used the vector display to display only the y-component of the velocity of bar AE. This gave a value of 0.034 m/s which is consistent with my hand calculated value of 0.0346 m/s (see attached). This gives a percent error of 1.76% which is well within the desired range of ±5%. This system uses angular velocity around gear C to drive gear B. Since gear C and gear B have different radii, their angular velocity differs. The tangential velocity about C was found using the equation v

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Working Model #4 - Anil Kanungo ME 324 Fri 2-3pm UT EID...

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