METHOD FOR MEASURING THREADED ELEMENT AT TUBE END

The present invention provides a method for automatically measuring a thread element at an end portion of a pipe or tube P after thread processing, on a thread processing line 100 in which thread processing is performed on the end portion of each pipe or tube P which is successively conveyed, compri...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HIRAOKA, Seiji, HONDA, Tatsuro, SAKAI, Kenta
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The present invention provides a method for automatically measuring a thread element at an end portion of a pipe or tube P after thread processing, on a thread processing line 100 in which thread processing is performed on the end portion of each pipe or tube P which is successively conveyed, comprising: a cleaning step of cleaning the end portion of the pipe or tube by a thread cleaning apparatus 30 after the thread processing; a drying step of drying the end portion of the pipe or tube P cleaned in the cleaning step by a thread drying apparatus 40; and a measuring step of measuring the thread element at the end portion of the pipe or tube P by an automatic thread element measurement 50 after drying, wherein the end portion of the pipe or tube is put under a clean atmosphere at least in the measuring step.