METHOD OF DETECTING CENTER COORDINATES OF SPOT WELDING MARK, LASER WELDING METHOD, AND BONDING METHOD
A method of detecting center coordinates of a spot welding mark includes: a linear laser light emitting step of emitting a plurality of linear laser light components with a linear irradiation trace on a spot welding mark by emitting laser light through continuous output oscillation; a waveform acqui...
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Format | Patent |
Language | English |
Published |
10.08.2023
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Subjects | |
Online Access | Get full text |
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Abstract | A method of detecting center coordinates of a spot welding mark includes: a linear laser light emitting step of emitting a plurality of linear laser light components with a linear irradiation trace on a spot welding mark by emitting laser light through continuous output oscillation; a waveform acquiring step of acquiring a waveform of an intensity of return light which is light generated from a processing point; an outer edge position coordinates deriving step of deriving position coordinates of three or more points on an outer edge of the spot welding mark from a peak position of the intensity of the waveform of the return light; and a center coordinates calculating step of calculating center coordinates of the spot welding mark from the position coordinates of the three or more points on the outer edge derived in the outer edge position coordinates deriving step. |
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AbstractList | A method of detecting center coordinates of a spot welding mark includes: a linear laser light emitting step of emitting a plurality of linear laser light components with a linear irradiation trace on a spot welding mark by emitting laser light through continuous output oscillation; a waveform acquiring step of acquiring a waveform of an intensity of return light which is light generated from a processing point; an outer edge position coordinates deriving step of deriving position coordinates of three or more points on an outer edge of the spot welding mark from a peak position of the intensity of the waveform of the return light; and a center coordinates calculating step of calculating center coordinates of the spot welding mark from the position coordinates of the three or more points on the outer edge derived in the outer edge position coordinates deriving step. |
Author | Yamamoto, Takeshi Motoyoshi, Takashi MATSUO, Ryuta |
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Snippet | A method of detecting center coordinates of a spot welding mark includes: a linear laser light emitting step of emitting a plurality of linear laser light... |
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SubjectTerms | 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 |
Title | METHOD OF DETECTING CENTER COORDINATES OF SPOT WELDING MARK, LASER WELDING METHOD, AND BONDING METHOD |
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