MEC 410 Chapter 11 Spring 2018(2).pdf

MEC 410 Chapter 11 Spring 2018(2).pdf - MEC 410 Design of...

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1 3/5/2018 MEC 410 Design of Machine Elements Spring 2018 Chapter 11 Jay Mendelson Lecturer Mechanical Engineering Department [email protected] Normal office hours 2:15PM 4PM Monday and Wednesday 171 Light Engineering
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2 Reading: Chapter 11 in “Machine Elements in Mechanical Design” 6 th Edition Homework Problems: Problems 11-3, 11-4, 11-5 (per parameters of 11-3) 11-14, 11-19, 11-28, 11-36, 11-44 from the textbook Involute spline problem: What is the torque capacity per inch of major diameter fit, involute splines with P = 10, N=22; and P = 12; N = 36 Shear pin problem: At what torque will a shear pin break if the pin diameter = 1/8”, shaft diameter = 2”, and the internal shear stress in the pin is 10 ksi What bolt diameter do you need to keep a rigid bolt coupling with 8 bolts from breaking if the bolt circle is 2”, torque is 2000 in-lbs, and each bolt has a design shear stress of 20 ksi? MUST DO HOMEWORK IN SPREADSHEET FORMAT 3/5/2018 MEC 410: Chapter 11: Keys, Couplings, and Seals
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3 Chapters 7,8, 9, 9 and 10 discussed how to specify pulleys, sprockets, and gears Chapter 11 will discuss how to attach these rotary elements to shafts and seal lubricating fluids 3/5/2018 MEC 410: Chapter 11: Keys, Couplings, and Seals
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