Abstract: A high-strength screw (2) includes a threaded portion (7) having a thread (8). The screw (2) includes an inner core (16) as seen in cross-section of the screw (2), the core (16) having a first hardness. The screw (2) includes an outer surface layer (17) as seen in cross-section of the screw (2). The screw (2) includes an unhardening layer (18) forming the outer surface layer (17) in the threaded portion (7), the unhardening layer (18) having a second hardness being reduced compared to the first hardness of the core (16).

Abstract: A high-strength screw (2) includes a threaded portion (7) having a thread (8). The screw (2) includes an inner core (16) as seen in cross-section of the screw (2), the core (16) having a first hardness. The screw (2) includes an outer surface layer (17) as seen in cross-section of the screw (2). The screw (2) includes an unhardening layer (18) forming the outer surface layer (17) in the threaded portion (7), the unhardening layer (18) having a second hardness being reduced compared to the first hardness of the core (16).

Abstract: A high strength screw (2), especially an ultra high strength screw (2) having a tensile strength Rm of at least 1400 N/mm2, having a bainite structure has a yield ratio of at least 0.95. The screw (2) belongs to the new strength classes 14.10, 15.10, 16.10 or 17.10. The high yield ratio is realized by heat treatment of the screw (2).

Abstract: An ultrasound welding device for welding metallic conductors for producing a junction point includes two welding surfaces, which are located on opposite sides, and two lateral delimiting surfaces, which extend transverse to the working surfaces and which, together, define a compression space. In order to eliminate longitudinal movement of the conductors during welding, at least one of the lateral delimitation surfaces is additionally structured next to the structured welding surfaces.

Abstract: A sonotrode for an ultrasound welding device including at least one working surface and a front surface that extends perpendicularly to the working surface. To avoid or reduce a deviation perpendicular to the longitudinal axis of the sonotrode, the front surface has at least one reinforcing element.

Abstract: The invention concerns an ultrasonic welding device, which is more fully integrated by adjacent components of coupling surface. In order to permit a adequately fixed connection between the components, while, at the same time simplifying the mounting, it is suggested that at least some of the integrated components (30, 34) are structured in their coupling surfaces (40, 42), which lie on top of each another, for the achievement of a form closure.

Abstract: An arrangement for the welding of cables by means of an ultrasonic welding device with a compression chamber for housing the cables defined by at least sections of a sonotrode transmitting ultrasonic vibrations, a counter electrode and lateral defining elements. In order to guarantee a desired layout for the cables, the components are installed in an insertion space, before closing the compression chamber, the width of which is less than that of the open compression chamber.

Abstract: An ultrasonic welding machine having a tool in the form of, for example, a sonotrode. In order to allow for an optimal utilization of the working surfaces of the sonotrode, it is proposed to move or mount the sonotrode in a desired position with respect to the element that connects the ultrasonic welding machine to the sonotrode by rotating the sonotrode around its longitudinal axis as well as a transverse axis running perpendicular thereto.

Abstract: An ultrasound welding device for welding metallic conductors for producing a junction point includes two welding surfaces, which are located on opposite sides, and two lateral delimiting surfaces, which extend transverse to the working surfaces and which, together, define a compression space. In order to eliminate longitudinal movement of the conductors during welding, at least one of the lateral delimitation surfaces is additionally structured next to the structured welding surfaces.

Abstract: An arrangement for the welding of cables by means of an ultrasonic welding device with a compression chamber for housing the cables defined by at least sections of a sonotrode transmitting ultrasonic vibrations, a counter electrode and lateral defining elements. In order to guarantee a desired layout for the cables, the components are installed in an insertion space, before closing the compression chamber, the width of which is less than that of the open compression chamber.

Abstract: A sonotrode for an ultrasound welding device including at least one working surface and a front surface that extends perpendicularly to the working surface. To avoid or reduce a deviation perpendicular to the longitudinal axis of the sonotrode, the front surface has at least one reinforcing element.

Abstract: A method and device for making multiple connections between electrical conductors surrounded by external insulators in overlapping flexible cables by ultrasonic welding. Overlapping conductors to be connected are arranged on a surface of a carrier disposed between a sonotrode and an electrode, the sonotrode and electrode are sequentially aligned the with overlapping points to be welded, and the conductors are ultrasonically welded at each of the overlapping points. The carrier either includes the electrode at least in designated areas, or includes penetrations constructed and arranged to receive an electrode in designated areas.

Abstract: The invention concerns an ultrasonic welding device, which is more fully integrated by adjacent components of coupling surface. In order to permit a adequately fixed connection between the components, while, at the same time simplifying the mounting, it is suggested that at least some of the integrated components (30, 34) are structured in their coupling surfaces (40, 42), which lie on top of each another, for the achievement of a form closure.

Abstract: The invention concerns an ultrasonic welding machine having a tool in the form of, for example, a sonotrode (10). In order to allow for an optimal utilization of the working surfaces (34, 36) of the sonotrode (10), it is proposed to move or mount the sonotrode (10) in a desired position with respect to the element that connects the ultrasonic welding machine to the sonotrode by rotating the same around its longitudinal axis (42) as well as the transverse axis (38) running perpendicular thereto.

Abstract: The invention relates to a method and device for connecting the electrical conductors which are surrounded by outer insulation and associated with overlapping flat conductors (47, 49) by means of a sonotrode (52) producing ultrasonic vibrations and a counter electrode associated therewith. The conductors which are to be connected are to be arranged on a surface (48) of a carrier (50) extending between the sonotrode and the counter electrode. The carrier can be embodied as a counter electrode.