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  • Users: EasyAim
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  1. EasyAim

    Bending Moment Induced by Shims

    This is a rather embarrassing riddle for me since I've been in the aerospace industry for 20 yrs now: We have a skin 0.130 thick that has a dent at the edge. The dent is 0.040 out of plane over about 5.0 inches wide. Residual stresses are about 15 KSI. We are not going to reverse bend it...
  2. EasyAim

    Good web site for engineering papers?

    I'm performing a study of the best method of modeling interference/clearance fit fasteners using pro/MECHANICA. It is possible to model fasteners in a hole using gap elements, spring elements, constraints, etc.... and all of the results look good but the stress distribution is slightly...
  3. EasyAim

    Maximum interference fit

    Is there a good rule of thumb regarding the maximum allowable interference to press-fit a bearing? We are designing a lug assembly that involves an MS14103 self-lubricated spherical bearing press-fit into 7050 aluminum plate material. I realize that interference could be so tight that it...
  4. EasyAim

    Max Interference for Press-Fit Bushing

    What is the detrimental effect of increasing the interference between a metallic part's hole and a steel press fit bushing? For argument sake let's say this is a cheap, small lug and that it is fracture critical. If the part doesn't break nor deform significantly upon the bushing...

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