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Survey of Manufacturing Company Expectations Based on the SME Four Pillars of Manufacturing Engineering

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2012 ASEE Annual Conference & Exposition


San Antonio, Texas

Publication Date

June 10, 2012

Start Date

June 10, 2012

End Date

June 13, 2012



Conference Session

Four Pillars of Manufacturing Engineering

Tagged Division


Page Count


Page Numbers

25.1218.1 - 25.1218.18



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Paper Authors


Paul Nutter Ohio Northern University

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Paul Nutter, C.Mfg.E., C.Q.E., C.Q.A., is an Associate Professor in the Department of Technological Studies at Ohio Northern University. He has been teaching manufacturing technology since 2000, and has 26 years of experience in industrial and manufacturing engineering, primarily with Rockwell Automotive. Nutter is active in the Society of Manufacturing Engineers as Faculty Advisor for SME Student Chapter S186, and was the 2011 Chair of the SME Technical Community Steering Committee. He previously served as Chair of the 2009 and 2010 Automated Manufacturing and Assembly Community, the 2007 and 2008 Simulation Technical Group, on the 2006 Member Council, and the 2005 Student Relations Subcommittee. He has also participated on various committees for annual conferences and youth activities, and he received the 2009 national SME Award of Merit.

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Title: Torsional Pendulum CharacterizationDate: Oct 3, 2011Test Engineer:Hugh JackPurpose (Objective): To determine the predictability of a torsional pendulum’s frequency of oscillation.Background: Torsional pendulums consist of i) a torsional spring, ii) an inertial mass. The torsional spring used here will be a thin metal rod. The inertial mass will be a long beam section. Figure 1 Experimental setup for torsional pendulumThe torsional spring coefficient is a function of the rod length, diameter, and shear modulus.The moment of inertia for the mass is.... Mr^2 / 12 Figure 2: Cross-section of pendulum mass (this should be a rectangle, not a circle)Summing the torques gives the following Diff. Eqn.….....Solving the Diff. Eqn. results in a natural frequency of __. Solving the differential equationresults in an equation of...Equipment List: 1. Parallax Propeller Demo Board Rev. G 2008 2. Tape Measure 3. Ping))) Ultrasonic Sensor 28015 Rev. A 2005 4. Laptop 5. Calipers 6. Calculator 7. 1020 cold rolled steel pendulum assembly 8. MIG Welder 9. 8” C-Clamps (registration number) 10. Stand for sensor 2” high 11. StopwatchProcedure: (always third person) 1. The pendulum was hung from a table edge to allow a clearance of 2 inches from the floor. C-Clamps were used to hold the pendulum firmly. 2. The dimensions of the pendulum were taken and used to estimate the frequency of oscillation. Diameter of spring = (these are different for both groups) Length of Spring = Mass width = Mass length = Mass height = G Spring = M Mas 3. To verify the frequency of oscillation the pendulum was deflected approximately 2 inches. When released a cellphone timer was started. After 20 oscillations the time was stopped. The frequency was found by timing XX oscillations with a cell phone stopwatch. The for these oscillations took XX seconds. 4. A program was written for the Propeller controller to measure distance using the ultrasonic sensor. The electrical connections are shown in Figure 3, the source code for the program is in Appendix A. Figure 3 - Schematic for Ultrasonic Measurement 5. Results section: compare frequency (calculated and measured)Discussion Section---------> here you compare the expected and actual results. You will repeat some of the majorpoints in the conclusions.Conclusion section----> you must indicate how the results support the purpose/objective. For this I expect that youwill indicate that similar experiments or designs can be expected to be within a certain range.e.g. +/- a percentage.

Nutter, P. (2012, June), Survey of Manufacturing Company Expectations Based on the SME Four Pillars of Manufacturing Engineering Paper presented at 2012 ASEE Annual Conference & Exposition, San Antonio, Texas. 10.18260/1-2--21975

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