The Contact stress and area problems set up like this. Picking calculation produces the outputs shown. Beam-section properties pop up with either of the beam modules, or can be accessed on its own.

Machined springs from Helical Products Co. Inc., Santa Maria, Calif. (www.heli-cal.com), have features cut from a solid blank of material. Gears, cams, tangs, flanges, and threads all can be ...