A rigid, square-ended punch resting on a incompressible half-plane, and subjected to a constant shearing force, together with a normal force, constant in magntiude, but moving backwards and forwards over the face, is studied. The shearing force is insufficient to cause sliding, but the presence of a slip region which migrates in from each contact edge as the punch rocks back and forth may permit a steady rigid-body motion to occur. The conditions for this are found, both for the early transient problem, starting from complete adhesion, and in the steady state.

Issue Section:
Technical Papers
Keywords:
shearing, slip, adhesion
Topics:
Adhesion, Shear (Mechanics), Steady state, Stress, Transients (Dynamics), Cycles, Die cutting, Shearing (Deformation), Displacement
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