Abstract: A terminal connecting method includes setting a conductor having a plurality of strands on an upper surface of a bottom portion of an electric wire crimping part of a terminal, caulking the conductor in a manner to cover the conductor, thereby crimping the conductor by a caulking portion extended from the bottom portion, and welding the plurality of strands together in a strands exposed portion of the conductor exposed from tip end edges of the caulking portion by friction between the plurality of strands and a friction tool, after caulking and crimping.

Abstract: An aluminum electric wire crimping terminal formed by connecting an aluminum electric wire and a crimping terminal includes a low compression concave portion and a high compression concave portion in a crimping portion. The high compression concave portion compresses a plurality of core wires with a stronger compression force than a compression force of the low compression concave portion.

Abstract: An ultrasonic processing device applying an ultrasonic wave to workpieces to perform ultrasonic processing, the ultrasonic processing device includes, a support portion configured to support the workpieces, a pressurizing portion capable of moving in a direction of relatively approaching and separating from the support portion and configured to damp the workpieces with the support portion, a vibrator provided on the support portion or the pressurizing portion and configured to apply ultrasonic vibration to the workpieces which are clamped between the support portion and the pressurizing portion, and a partition plate disposed between the support portion and the pressurizing portion and configured to divide a space between the support portion and the pressurizing portion into a plurality of processing spaces where the workpieces are capable of being disposed.

Abstract: An aluminum electric wire crimping terminal formed by connecting an aluminum electric wire and a crimping terminal includes a low compression concave portion and a high compression concave portion in a crimping portion. The high compression concave portion compresses a plurality of core wires with a stronger compression force than a compression force of the low compression concave portion.

Abstract: A manufacturing method of an electric wire bundle includes arranging a conductor core wire of a first electric wire at a processing position of a welding machine, arranging a second electric wire at the processing position so as to align an end position of a conductor core wire of the second electric wire with an end position of the conductor core wire of the first electric wire, forming a welding process to the conductor core wire of the first electric wire and the conductor core wire of the second electric wire by the welding machine to form a preliminary welding portion, forming the core wire welding portion by repeating processes for all of the plurality of electric wires, and controlling a magnitude of an energy used in the welding process based on characteristics of conductor core wires to be welded by the welding machine.

Abstract: A manufacturing method of an electric wire bundle includes arranging the conductor core wire of a first electric wire among the plurality of electric wires from which the conductor core wire is exposed at a processing position of a welding machine, arranging a second electric wire of the plurality of electric wires at the processing position so as to align an end position of the conductor core wire of the second electric wire with an end position of the conductor core wire of the first electric wire, performing a welding process to the conductor core wire of the first electric wire and the conductor core wire of the second electric wire by the welding machine to form a preliminary welding portion, and forming the core wire welding portion by repeating processes for all of the plurality of electric wires.

Abstract: A terminal connecting method includes setting a conductor having a plurality of strands on an upper surface of a bottom portion of an electric wire crimping part of a terminal, caulking the conductor in a manner to cover the conductor, thereby crimping the conductor by a caulking portion extended from the bottom portion, and welding the plurality of strands together in a strands exposed portion of the conductor exposed from tip end edges of the caulking portion by friction between the plurality of strands and a friction tool, after caulking and crimping.

Abstract: An ultrasonic bonding method of a conductor of an electric wire includes ultrasonically bonding strands forming a conductor of at least one electric wire using anvils and a horn. The anvils are arranged in a longitudinal direction of the strands.

Abstract: A terminal connecting method includes setting a conductor having a plurality of strands on an upper surface of a bottom portion of an electric wire crimping part of a terminal, caulking the conductor in a manner to cover the conductor, and thereby crimping the conductor by a caulking portion and a connecting caulking portion extended from the bottom portion, and rotating and pressing a friction stir tool into a stir welding area in a part in which the conductor is crimped by the connecting caulking portion, and performing friction stir welding, after caulking and crimping.

Abstract: An electric wire with a connecting terminal and a method for manufacturing the electric wire are provided. The electric wire has a plurality of wire conductors and an insulation cover that covers the wire conductors. The plurality of wire conductors includes the connecting terminal to be connected to a counterpart component at an end of the electric wire at which the plurality of wire conductors is stripped of the insulation cover. The connecting terminal has a first portion of the plurality of wire conductors, a second portion of the plurality of wire conductors folded back on top of the first portion, the first portion and the second portion being welded to each other, and a through hole extending through the connecting terminal at a location where the first portion and the second portion are welded to each other.

Abstract: An electric wire with a connecting terminal and a method for manufacturing the electric wire are provided. The electric wire has a plurality of wire conductors and an insulation cover that covers the wire conductors. The plurality of wire conductors includes the connecting terminal to be connected to a counterpart component at an end of the electric wire at which the plurality of wire conductors is stripped of the insulation cover. The connecting terminal has a first portion of the plurality of wire conductors, a second portion of the plurality of wire conductors folded back on top of the first portion, the first portion and the second portion being welded to each other, and a through hole extending through the connecting terminal at a location where the first portion and the second portion are welded to each other.