First, we define that the diameter of our wire is taken in thousandths of an inch where one one-thousandth of an inch is called “one mil.” Thus, 0.001 inch = 1 mil, 0.01 inch = 10 mils and so forth.

Square cross-section seals are manufactured using a highly flexible, extrude-and-cut process. Simply changing forming dies on the extruder modifies the outer and inner diameters of the square cut.

A solid, circular cross-sectioned shaft experiences an axial torque T, as shown above. Angle of twist The hypothesis used in developing the stress and strain in the shaft is that all points on a cross ...