Over the 22-plus years of writing this column and consulting with clients, no single issue has been brought to my attention more often than the challenge of sensing parts as they exit a die. Unlike the monitoring of feed, strippers for slug detection, and cam returns, sensing parts as they leave a die appears to many to be a mystery. Just how many of us have confidently placed sensors in a die only to have the die crash anyway as two or more parts became a multilayered metal sandwich?
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