In a plug connector, a ground contact conductor includes: a fitting portion to fit to a ground contact conductor of a mate connector; and a clamp portion to hold a second exposing portion of a coaxial cable (a portion of a terminal portion of the coaxial cable where a part of an insulating sheath has been removed) to contact a shield exposed at the second exposing portion, without the ground contact conductor overlapping an outer peripheral surface of the insulating sheath. The clamp portion is located at an end of the ground contact conductor farthest from the fitting portion. The second exposing portion is adjacent to a first exposing portion formed at the terminal portion where a signal line is exposed.

An objective of the present invention is to provide a conductor connecting structure which may enable miniaturization in the height direction. A conductor connecting structure is intended for connecting a conductor to an electric wire with a plurality of strands, wherein the conductor has a plate shape, and wherein it is configured so that the plurality of strands is butt-connected to an end face of the conductor, the plurality of strands having a same plate shape as the end face of the conductor in advance. This enables the electric wire to be connected to the end face of the conductor by configuring the plurality of strands constituting the electric wire in the same plate shape as the end face of the conductor in advance. This may enable the miniaturization in the height direction.

An objective of the present invention is to provide a terminal connecting structure which may enable the conductivity to be improved. A terminal connecting structure is intended for connecting a terminal to an electric wire, the electric wire including an aluminum conductor with aluminum, wherein the terminal connecting structure further comprises a conductive connection body formed with aluminum, wherein one end of the connection body is butt-connected to the aluminum conductor, and wherein another end of the connection body is connected to the terminal via crimping. This enables the terminal to be connected to the electric wire via the connection body without crimping the bundle of cores. This may eliminate influence of crimping on the aluminum conductor and enable the conductivity between the electric wire and the terminal to be improved.

A device (1) for crimping connection elements (2). The device (1) comprises a machine frame (5), at least one punch, a drive assembly, at least one anvil (17), and a working chamber (31). The punch (3) is preferably arranged in a movable manner in relation to the machine frame (5). The punch (3) contains at least one working surface (4) for deforming a connection element (2). The drive assembly for moving the punch (3) is connected to the punch. The anvil (17) is connected to the machine frame (5) and has a receiving surface (8) for the connection element (2). The working chamber is located between the punch and the anvil and is opened and closed by a relative movement between the punch and the anvil. The device has at least one sonotrode, by which the receiving surface (8) of the anvil (17) is supplied with ultrasound.

An ultrasonic welding apparatus (50) includes a sonotrode (8) with a working surface (10), an anvil (4) with a working surface (11), which lies opposite the working surface (10) of the sonotrode (8), and two side delimiters (5, 6) with respective side delimiting surfaces (12, 13). The working surfaces (10, 11) and the side delimiting surfaces (12, 13) delimit a compression chamber (9) for placing an elongated welding material (60) in a welding material direction (B). The ultrasonic welding apparatus (50) has a clamping device (14), by which the anvil (4) is clamped at least in a welding position (S) by a clamping force, which acts on at least part of a side (15) of the engaging surface (26) of the anvil (4) that lies opposite the working surface (11) of the anvil (4), in the direction of the sonotrode (8). A method for ultrasonic welding is also disclosed.

A device for welding rod-shaped electrical conductors and a sonotrode for such includes a compression space for receiving two connection regions of the conductors to be connected, said connection regions extending in a first axial direction (x-axis), the compression space being defined by a working surface of a sonotrode, which transmits ultrasonic vibrations, and a counterface of an anvil at two opposite sides in a second axial direction (z-axis) and by a boundary surface of a slider element, displaceable in the second axial direction (z-axis), and a boundary surface of a boundary element on two opposite sides in a third axial direction (y-axis). In a special contact zone, which is a section of the working surface of the sonotrode and serves to subject at least one connection region to ultrasonic vibrations, the working surface has a surface configuration that differs from a contact zone formed by the remaining working surface.

An electric cable includes a terminal, and a manufacture method thereof is to suppress shedding of wire strands from a core wire. The electric cable with terminal includes an end of an electric cable connected to the terminal. The electric cable includes a core wire that is a bundle of a plurality of wire strands. The terminal includes a connection portion in which the core wire is exposed at the end of the electric cable. The core wire is placed on the connection portion including a welded portion that is to be ultrasonic welded to the connection portion. The welded portion includes a high compression portion in which the core wire is compressed, and a low compression portion in which a position that is closer than the high compression portion to the end of the core wire is compressed at a compression lower than that of the high compression portion.

Disclosed are a joint of a copper terminal and an aluminium conductor and an ultrasonic welding method thereof. One spacing metal layer is added between the copper terminal and the aluminium conductor, and firstly, the spacing metal layer is fixed at a welding end of a base material by means of a manner such as electroplating, pressure welding, electric arc spray welding or electromagnetic welding, and the three parts are then welded together by means of an ultrasonic welding manner. The welding method is suitable for the welding of various joints, the electrochemical corrosion resulting from the potential difference between the copper and aluminium electrodes can be effectively reduced, and the mechanical properties of the joint can be improved.

A method is described for welding a splice by way of an ultrasonic welding device, the ultrasonic welding device having a sonotrode for generating ultrasonic vibrations, an anvil, a first lateral element, a second lateral element and a compaction chamber, the height of which is adjustable by varying a distance between the sonotrode and the anvil and the width of which is adjustable by varying a distance between the first lateral element and the second lateral element.

A fixing structure of a splice part includes a plurality of electrical wires each having a splice part and mutually connected and a sheet material to which the splice part is fixed. The fixing structure of the splice part is considered to have a portion of the plurality of electrical wires fixed to the sheet material in addition to the splice part.