Question

3) The connecting rod AB in the oil pump shown above is actually two rods, one on each side of the crank 02A and the beam O.B. Maximum tensile load on each bar is 5000 lbf. Determine suitable width for 0.5 inch thick 1018 cold rolled steel square or rectangle stock available from Online Metals www.onlinemetals.com to provide factor of safety against yield Ny 25. Material properties are available at http://www.onlinemetals.com/productguides/steelguide.cfm Do not include stress concentrations at A and B. What is the cost for one bar using available sizes? What is the weight for one bar? DO NOT USE CUSTOM CUT FOR LENGTH.

Answer 1

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0.5 in 5. Given data suitable width: Ny Density s= 0.0975 yield strength Suz a calculating maym stress in tbt in m И0 11 CR. o 5000 a calculating 5000 o sw the width. SY ty 400O Osw 4 SOLO Osuu yooo ux 6. ЅУ Too0 6.4 B.yin to the width of nu har 6:4 in. the lost of ba = 6.4 7080 x 0.5 :25:6 bar. the cost of wing bar $ 25.6. 2 weight of We sug 10:0975 x (8.480182015) (32-174) 28.030 I weign of bar 8.030 10€