Question

Max deflection is 8 degrees

ME 311 "Mechatronics" 5. A farmer decide to build a crude weighing device to weigh bags of grains up to 150 lbf with a resolution of better than 1 pound. For this purpose he employs a section of a 1-in. steel pipe ( 1.315 in. OD, 0.957 in ID) as a cantilever beam. He intends to measure the deflection of the beam with a metal carpenter's scale having graduations of 1/16 in. On the basis of these data, and what length pipe would you recommend for the farmer's application? Remember that linear beam theory states that the deflection aangle cannot be larger than 8 degrees (20) FL 3EI Deflection of Free End 8 64

Answer 1