Ting! Ting! Ting! Pleased that we found the "missing element as described in last month's column, think through the phase-two and phase three countermeasures. All the while, am beating on the pressure pins in subconscious rhythm. Ting! Ting! Ting The plant manager rushes over and asks, "Are we up and running?" Plan managers always seem to mistake my noise for actual work. At this point, we have five elements to be addressed in solving the wrinkling problem. Blankholder travel must be increased. Pressure pins must make solid contact with blankholder in open position. Die entry radius on the inserts must be uniform and smaller to match the remaining punch opening. Surface texture must be rougher on the inserts.
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