WORK FACE DETECTING METHOD IN AUTOMATIC WELDING EQUIPMENT

PURPOSE:To shorten the operation time in sensing and to improve the accuracy by detecting a work surface with the closing discharging between the work surface and the tip of a contact chip. CONSTITUTION:The state of a contact chip 4b only being projected from the tip of the jacket of a torch 4 is ma...

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Bibliographic Details
Main Author FUKUOKA HISAHIRO
Format Patent
LanguageEnglish
Published 25.06.1987
Subjects
CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
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Summary:PURPOSE:To shorten the operation time in sensing and to improve the accuracy by detecting a work surface with the closing discharging between the work surface and the tip of a contact chip. CONSTITUTION:The state of a contact chip 4b only being projected from the tip of the jacket of a torch 4 is made by retreating an electrode 5 into the contact chip 4b by reversing an electrode feeding roller 6b prior to the sensing. A discharging is then performed with the top of the contact chip 4b approaching to the surface of the work W when the torch 4 is moved for the surface of the work W to be sensed. An electrifying state detecting means 7e transmits the electrifying signal to a control means 9 and the movement of the torch 4 is stopped and the positional information of the tip of the contact chip 4b is taken up as well, and the detection of the surface of the work W is completed.
Bibliography:Application Number: JP19850284143