Toyota jidosha kabushiki kaisha (20240316693). LASER WELDING METHOD simplified abstract

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LASER WELDING METHOD

Organization Name

toyota jidosha kabushiki kaisha

Inventor(s)

Takeshi Yamamoto of Nisshin-shi (JP)

Ryuta Matsuo of Nagakute-shi (JP)

LASER WELDING METHOD - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240316693 titled 'LASER WELDING METHOD

Simplified Explanation: This patent application describes a method for laser welding multiple metal plates stacked upright by irradiating them with a laser beam to create a molten pool and scanning the beam around the pool to enlarge it.

  • The method involves irradiating the metal plates with a laser beam to form a circular molten pool.
  • The laser beam is scanned once around the outer periphery of the molten pool to increase its size.
  • The scanning start point of the laser beam is set within a specific range in the scanning direction to ensure effective welding.

Key Features and Innovation:

  • Laser welding method for stacked metal plates in an upright position.
  • Formation of a circular molten pool by irradiating the metal plates with a laser beam.
  • Scanning the laser beam around the molten pool to enlarge it for welding.
  • Precise positioning of the scanning start point for optimal welding results.

Potential Applications: This technology can be used in various industries such as automotive, aerospace, and manufacturing for welding stacked metal plates efficiently and effectively.

Problems Solved: This method addresses the challenge of welding multiple metal plates stacked upright by providing a precise and efficient laser welding process.

Benefits:

  • Improved welding efficiency and accuracy.
  • Enhanced weld quality and strength.
  • Cost-effective and time-saving welding process.

Commercial Applications: The laser welding method for stacked metal plates can be applied in industries requiring high-quality and precise welding, such as automotive manufacturing, aerospace engineering, and metal fabrication.

Questions about Laser Welding Method: 1. How does the scanning start point of the laser beam impact the welding process? 2. What are the advantages of using a laser welding method for stacked metal plates compared to traditional welding techniques?


Original Abstract Submitted

a laser welding method for irradiating a plurality of stacked metal plates in an upright position with a laser beam to weld the plurality of stacked metal plates is provided. the laser welding method includes irradiating the plurality of metal plates with the laser beam to form a circular molten pool and scanning the laser beam once around an outer periphery of the molten pool to enlarge the molten pool. in the enlarging of the molten pool, a scanning start point of the laser beam is set within a range from 135 degrees to 315 degrees in a scanning direction of the laser beam, with 0 degrees directly above the molten pool in a vertical direction.