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Changes in clamping force M, loosening angle e, torque T, and transverse force W versus transverse displacement v data are shown in Figure 35. Points a, c, and din the computed W versus v diagram correspond to configurations 3, 2, and 1 in Figure 33. Point b corresponds to the configuration where v = 0. The bolt torque and loosening angle versus transverse displacement data strongly support this mechanism for loosening.