A METHOD FOR USING MODIFIABLE TOOL CONTROL PARAMETERS TO CONTROL THE TEMPERATURE OF THE TOOL DURING FRICTIONS STIR WELDING

A new control variable is introduced, that when combined with previous dependent control criteria on other variables results in a control program that can create a superior weld while minimizing wear on the FSW tool, wherein the tool repeatedly experiences the same thermal and mechanical loading wit...

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Bibliographic Details
Main Authors PACKER, Scott, M, BABB, Johnathan, A, WILLIAMS, John, STEEL, Russell, J
Format Patent
LanguageEnglish
French
German
Published 01.03.2017
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:A new control variable is introduced, that when combined with previous dependent control criteria on other variables results in a control program that can create a superior weld while minimizing wear on the FSW tool, wherein the tool repeatedly experiences the same thermal and mechanical loading within specified control windows during every repeated weld sequence because flow stresses and tool loads are driven by temperature, and dependent control loops account for differences in material and heat that is transferred at different rates in varying locations throughout a friction stir weld.
Bibliography:Application Number: EP20090806966