Evaluation of Demolding Energy for Various Demolding Modes in Embossing Process
2013
To investigate the demolding process in the UV embossing process, a three-axis controlled test rig is newly developed to realize various demolding motions. Using this test rig, the energy required for demolding is evaluated in various releasing modes and at various aspect ratios of molds. Demolding energy increases as the aspect ratio of the pattern increases. The peeling mode consumes a lower demolding energy than the newly proposed screw mode (twisting releasing) and the lift-off mode (vertical releasing) nevertheless; the screw mode is effective for an alternative pattern layout.
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