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>Sensoring for In-Die Tapping ...to check for the presence of a pretapped hole as well as sufficient tap penetration, even in the event of tap wear
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Sensoring for In-Die Tapping ...to check for the presence of a pretapped hole as well as sufficient tap penetration, even in the event of tap wear
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机译：Sensoring for In-Die Tapping ...to check for the presence of a pretapped hole as well as sufficient tap penetration, even in the event of tap wear
All commercially available in-die tapping (IDT) systems employ some sort of spring-loaded misfeed-protection system, intended to protect the tap and, most importantly, the tapping device itself, in the event of a: No-hole condition due to a short feed of the strip material; No-hole condition due to a broken or missing pierce punch; or Undersized hole due to a broken or missing extrusion punch. Although misfeed-protection systems are included in commercial IDT designs as failsafe, protective mechanisms, it's wise for metalformers to employ some method to ensure the successful production of a pretapped hole with every press cycle.
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