SOLVED:Figure P8.33 shows a cantilever beam serving as a spring for a latching mechanism. When assembled, the free end is deflected 0.075 in., which corresponds to a force F of 8.65 lb. When the latch operates, the end deflects an additional 0.15 in. Would you expect eventual fatigue failure?
SOLVED:Figure P8.33 shows a cantilever beam serving as a spring for a latching mechanism. When assembled, the free end is deflected 0.075 in., which corresponds to a force F of
Figure P8.33 shows a cantilever beam serving as a spring for a latching mechanism. When assembled, the free end is deflected 0.075 in., which corresponds to a force F of 8.65 lb. When the latch operates, the end deflects an additional 0.15 in. Would you expect eventual fatigue failure?
numerade.com5 个月之前
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SOLVED: 9.19 A latching mechanism has steel mating surfaces of 100 and 300 Bhn rubbing back and forth over a distance of 30 mm each time the latch is operated. Lubrication is questionable (the surfaces are supposed to get a drop of oil every few months). The latch is operated an average of 30 times per day, every day (see Figure P9.19). Estimate the volume of metal that will wear away from the softer steel member during one year of use if the compressive load between the surfaces is 100 N. 30 cy
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