Abstract: A method for welding balls provides a component, provides at least two balls, places at least one first ball of the at least two balls on the component, and applies an electrical voltage in such a manner that a current flows through the at least two balls and through the component, wherein the at least two balls are simultaneously welded together and the first ball is simultaneously welded to the component.

Abstract: A method for welding components includes the following steps: providing a first component and a second component; bringing together the two components; welding the two components by use of a laser beam, wherein a plurality of welding impulses are generated through the repeated activation and deactivation of the laser beam, with each welding pulse being interrupted by welding-free rest intervals in which the laser beam is deactivated, wherein a local welding area is generated by each welding pulse, in which material of the two components is melted and fused in a locally limited manner, wherein individual welding areas of those generated by the welding pulses overlap.

Abstract: An arrangement includes a fastening clip, a connecting device, where the connecting device has at least two connecting elements, and a motor vehicle component. The connecting device is welded on the motor vehicle component. The fastening clip engages behind the connecting device in a gap formed by the at least two connecting elements and delimited by the motor vehicle component.

Abstract: A method is provided for manufacturing a combination of components. The method includes the following steps: manufacturing a functional element by providing a plate-type base element and integrally bonding a ball or a ball-shaped element to the plate-type base element, in particular by welding a ball or a ball-shaped element onto a flat plate-type element, and joining the functional element to a first component.

Abstract: A method for welding balls provides a component, provides at least two balls, places at least one first ball of the at least two balls on the component, and applies an electrical voltage in such a manner that a current flows through the at least two balls and through the component, wherein the at least two balls are simultaneously welded together and the first ball is simultaneously welded to the component.

Abstract: A tool for laser beam processing is provided. The tool includes an upper tool and a lower tool, which are able to be advanced toward one another by way of a press, such that at least one component is able to be fixed in a predefined position between the upper tool and the lower tool. At least one laser beam exit surface, which is part of an inner surface of the upper tool or lower tool, and at least one laser beam guide, into which laser radiation is able to be coupled and is able to be directed through the laser beam exit surface onto a processing location on the component are provided. A control device, which enables and/or disables the coupling of laser radiation into the at least one laser beam guide depending on the advancing movement between upper tool and lower tool is provided. Furthermore, a laser beam processing apparatus and a method for laser beam processing are also provided.

Abstract: A welding apparatus includes a welding electrode, where the welding electrode has a concavely formed end-face region and where the welding electrode has a magnet such that a spherical dome-shaped portion of a magnetically attractable ball which is located in an effective range of the magnet is drawable against the concavely formed end-face region.

Abstract: A method for welding two components is provided. The method includes providing a first component, which has a convex elevation, and providing a second component, which has a through-hole. The method also includes placing the two components one against the other such that the convex elevation of the first component protrudes into the through-hole in an interlocking manner, and welding the two components along the rim of the through-hole by way of a laser welding device. The welding is performed without the use of a welding filler and the laser welding device is repeatedly switched on and off in a pulsed manner during the welding of the two components along the rim of the through-hole.

Abstract: A component connection is provided, having a first component in which a first hole is provided, a second component in which a second hole is provided, and a connecting element which has two interconnected spheres or two interconnected spherical elements. Centers of the two spheres or spherical elements are located on a straight line which extends perpendicular to a first equatorial plane of the first sphere or of the first spherical element. Perpendicular to a second equatorial plane of the second sphere or the second spherical element, an edge of the first hole and an edge of the second hole both extend into an undercut area situated between the two equatorial planes such that an interlocking and/or frictional connection is produced in the undercut area. The connection resists pulling-apart forces acting on the two components.

Abstract: A method is provided for producing a composite part, in particular a flat composite part, having a foam core that has a first and second cover layer which are bonded to the foam core on a first surface and a second surface, respectively. The method has the following steps: (a) heating the cover layers and the foam core (b) positioning the cover layers on the surfaces of the foam core, (c) positioning the foam core and the cover layers in a press or a mold which forms the completed composite part, (d) reshaping the foam core and the cover layers in the press or in the mold, wherein the cover layers can be positioned on the surfaces of the foam core, (e) cooling and bonding the cover layers and the foam core in the press or in the mold, and (f) removing the composite part from the press or from the mold.

Abstract: A component connection has a first component, a second component with a through hole, and a connecting element, by which the two components are connected to each other. The connecting element has at least two balls connected to each other, of which a first ball extends, at least over part of the diameter thereof, through the through-hole. A second ball of the connecting element is pressed into the material of the first component such that the second ball is connected to the first component in a positive-locking manner.

Abstract: A method is provided for plastic forming of a ball which forms a connecting element or part of a connecting element intended for connecting at least two components. At least some of the energy required for the plastic forming of the ball is introduced into the ball by way of ultrasound.

Abstract: A component connection includes a first component, which is made of a material attractable by a magnet, and a second component which lies directly or indirectly adjacent to the first component and which has a hole. A magnetic element is provided which covers the hole and attracts the first component such that both components are clamped together.

Abstract: A plastic component has a connecting element that includes an attachment portion protruding at least in part from the plastic component as well as an anchoring portion, by which the connecting element is releasably connected to the plastic component and which has a smaller cross-sectional diameter than the attachment portion.

Abstract: A component connection has a first component, which consists of a metal material, a ball likewise consisting of a metal material, which is welded to the first component, and a second component which has a through-hole and a collar which projects from a top side of the second component, is bent upwards and extends circumferentially around the through-hole. The two components are joined to each other such that the ball projecting from the first component projects into the through-hole provided in the second component or even partially through the through-hole. The second component is arranged so that the collar protrudes from the first component. The second component is a sandwich component which has a middle layer of a plastic material, the middle layer being located between an upper metal layer and a lower metal layer.

Abstract: A snap-together fastening device includes a holding element and an actuating element. The holding element has one or more fixing arms that are actuatable from a mounting position into a fixing position. The actuating element is pluggable into an opening of the holding element, and has a top end and a bottom end. The actuating element deflects, in its position in which it is plugged into the holding element, at least one fixing arm into a fixing position. In its position in which it is plugged into the holding element an outermost edge of the actuating element, that is in the region of the top end, contacts an inner surface of the at least one fixing arm.

Abstract: A method for welding components includes providing a first component and a second component, bringing the two components together, welding the two components by a laser beam, wherein a multiplicity of welding pulses are generated through the repeated activation and deactivation of the laser beam, with each welding pulse being interrupted by welding-free rest intervals in which the laser beam is deactivated. Each welding pulse creates a local welding area, in which material of the two components is melted and fused in a locally limited manner, wherein individual welding areas of those generated by the welding pulses overlap.

Abstract: A method is provided for positioning a component, in particular a sheet metal component, which has a first hole or a first recess. The component with the first hole or the first recess is placed on a first support which is spherical-shaped or shaped as a spherical cap.

Abstract: A component connection has a first component, from which a fixing element protrudes, and a clamping element, which in a tightened rotating position is directly supported relative to the first component directly by way of the fixing element or is indirectly supported relative to the first component by way of a further component. The clamping element has a recess into which the fixing element protrudes from a lower side of the clamping element, wherein a seat portion of the recess is designed in the form of an ascending spiral staircase or thread and at least one free end of the fixing element reaches behind this seat portion in an interlocking manner, such that the at least one free end is seated on the seat portion and when the clamping element is in the tightened rotating position, presses against the seat portion.

Abstract: A tool for laser beam processing is provided. The tool includes an upper tool and a lower tool, which are able to be advanced toward one another by way of a press, such that at least one component is able to be fixed in a predefined position between the upper tool and the lower tool. At least one laser beam exit surface, which is part of an inner surface of the upper tool or lower tool, and at least one laser beam guide, into which laser radiation is able to be coupled and is able to be directed through the laser beam exit surface onto a processing location on the component are provided. A control device, which enables and/or disables the coupling of laser radiation into the at least one laser beam guide depending on the advancing movement between upper tool and lower tool is provided. Furthermore, a laser beam processing apparatus and a method for laser beam processing are also provided.