Abstract: A waveguide for plastic welding has an entry end, an exit end as well as a first and a second inner face arranged between the entry end and the exit end, which are arranged opposite to each other and by means of which laser light can be reflected. A first distance between the entry end and the exit end defines a length of the waveguide and a second distance between the first and the second inner face defines a thickness of the waveguide. The exit end may be arranged opposite to the entry end and a central plane of the waveguide may extend centrally from the entry end to the exit end. The first inner face comprises a continuously curved, concave shape so that a third distance between the first inner face and the central plane varies continuously from the entry end in the direction of the exit end.

Abstract: A waveguide for plastic welding has an entry end, an exit end as well as a first and a second inner face arranged between the entry end and the exit end, which are arranged opposite to each other and by means of which laser light can be reflected. A first distance between the entry end and the exit end defines a length of the waveguide and a second distance between the first and the second inner face defines a thickness of the waveguide. The exit end may be arranged opposite to the entry end and a central plane of the waveguide may extend centrally from the entry end to the exit end. The first inner face comprises a continuously curved, concave shape so that a third distance between the first inner face and the central plane varies continuously from the entry end in the direction of the exit end.

Abstract: A manufacturing method of an intermediate product for a battery cell, includes winding a layer of a first electrode, a separator and a second electrode around a central longitudinal axis in a plurality of windings, creating a wound battery cell body. At least one of the first and the second electrode has a conductive portion extending at one front-end in a longitudinal direction The cell body is initially placed in an ultrasonic device so that a front-end of the cell body having the conductive portion faces a front-end working surface of a horn of the ultrasonic device. The cell body and the horn are moved relative to each other from the initial position to a working position in which the front-end working surface of the horn abuts the front-end of the cell body Ultrasonics are then at least partially applied to the conductive portion such that itis at least partially deformed by the horn and a worked cell body results.

Abstract: A welding method for welding a first component to a second component using a welding device including an upper tool mounted to an upper support for receiving the first component, a lower tool mounted to a lower support for receiving the second component as well as a preheating arrangement for preheating the first and/or the second component and a controller. A welding device in accordance with the welding method is further provided.

Abstract: A welding device with which two components can be pressed against each other comprises a static first section and a second section movable relative to the first section. At least one drive system is connected at a first end to the first section and at a second end to the second section, as well as at least one elastic guiding system by which the first section and the second section are connected to one another. The first section and the second section are movable relative to each other along only one axis due to at least one elastic guiding system, so that an axial length of the arrangement can be varied. A moving coil drive may be used or another drive without mechanical losses or with mechanical losses less than a clamping force to be applied during operation.

Abstract: A vibration welding device having a mechanically coupled multiple vibrator. Within this vibration welding device, the plurality of vibration units are arranged relative to an elongated tool such that the first direction of vibrations of the individual vibration units is oriented approximately transverse to a longitudinal axis of the tool such that, during a vibration welding process, two components are weldable to each other by vibrations different than a longitudinal direction of the components.

Abstract: A spring package for a vibration welding device includes a first longitudinal bar for a fixed connection to a frame of the vibration welding device and a second longitudinal bar parallel to and movable with respect to the first longitudinal bar as well as for connection to a tool. A first axis of the spring package extends halfway between and parallel to the longitudinal axis of the first and second longitudinal bar. A plurality of leaf springs are further provided, each connected with a first end to the first longitudinal bar and with a second end to the second longitudinal bar, wherein a second axis of the spring package extends perpendicular to the first axis as well as, in an inactive state of the spring package, parallel to the plurality of leaf springs so that a spring center line extends, in an inactive state of the spring package, parallel to the second axis in the middle of the leaf spring.

Abstract: A waveguide segment with two sub-segments including a first sub-segment with a first wall and a second wall, each having an inner face by which laser light can be reflected. The inner faces are opposite to each other and a depth of the sub-segment is defined by a distance between the first and the second inner face. Further, each wall has an exit side, and an opposite entry side, a height defined by the distance between the exit and the entry side and a width. At least part of the entry side of each wall extends in an angle to the height, for which applies: 0°<?<90°. The second sub-segment may be formed complementary and the second sub-segment has a portion at the exit side of each wall. Laser light passing through the second sub-segment enters the first sub-segment between the first and the second portion.

Abstract: The present invention discloses a heat radiator, especially an infrared radiator, having at least one radiation source by means of which supplied electrical energy is convertible into heat radiation, as well as a control. This control comprises at least one frequency converter having a first, a second and a third output so that between the first and the third output a first alternating current is providable and between the second and the third output a second alternating current is providable by means of which the at least one radiation source is operable.

Abstract: With the traction mechanism tensioner, a traction mechanism having at least two ends is tensionable. The traction mechanism tensioner comprises a first fastener, a second fastener and a coupler. The first fastener has a first fastening portion at which the first end of the traction mechanism as fastenable. The second fastener has a second fastening portion at which the second end of the traction mechanism is fastenable. The coupling means couples the first and the second fasteners to each other so that the first and the second fasteners are movable with respect to each other and their movability is at least restricted on one side. Further, the first and the second fasteners are pre-tensionable with respect to each other via at least one spring element.

Abstract: The plastic welding device comprises first and second tools arranged respectively at a first support and a second support. The first tool is further movable by a first drive with respect to the first support in a first direction linearly between a first position and a second position. The movement along the first direction is defined by a first imaginary spherical coordinate system, the origin of which is arranged in the first position of the first tool. The z-axis as a first z-axis extends in the direction of the second support. For a first inclination angle between the first z-axis which is positive in the direction of the second support and the first direction it applies 0??1??/2, whereby a first component in the first tool can be brought into engagement with a second component in the second tool.

Abstract: The plastic preheating arrangement for a plastic welding device comprises a support, at least one first preheating device and a pivoting arrangement with which the at least one first preheating device can be pivoted relative to a first surface of the support from a starting position into a preheating position. In this manner, an undercut of a first component can be circumnavigated and the first component can be heated by means of the first preheating device.

Abstract: A plastic welding device for the automatic welding of at least three components comprises at least one first tool, at least one second tool and at least one transfer device. A first component is positionable on the first tool. The first and the second tool are movable relative to each other in order to weld the first component with a second component. The transfer device is movable relative to at least one of the tools and with it at least one third component is automatically feedable to one of the tools. In this manner, the at least one third component is weldable with the compound made up of the first and second components via the first and the second tool or via the first or the second tool in combination with the third tool.

Abstract: With the traction means tensioner, a traction means having at least two ends is tensionable. The traction means tensioner comprises a first fastening means, a second fastening means and a coupling means. The first fastening means has a first fastening portion at which the first end of the traction means as fastenable. The second fastening means has a second fastening portion at which the second end of the traction means is fastenable. The coupling means couples the first and the second fastening means to each other so that the first and the second fastening means are movable with respect to each other and their movability is at least restricted on one side. Further, the first and the second fastening means are pre-tensionable with respect to each other via at least one spring element.

Abstract: The present invention discloses a heat radiator, especially an infrared radiator, having at least one radiation source by means of which supplied electrical energy is convertible into heat radiation, as well as a control. This control comprises at least one frequency converter having a first, a second and a third output so that between the first and the third output a first alternating current is providable and between the second and the third output a second alternating current is providable by means of which the at least one radiation source is operable.

Abstract: An ultrasonic processing method and an ultrasonic processing device may include a controlling/regulating module, preferably a digital controlling/regulating module, which is integrated into a signal processing of the ultrasonic generator so that a plurality of generator data with respect to the ultrasonic generator are processible in the ultrasonic generator. At this, a power actual value Pist is compared with a power reference value Psoll of the ultrasonic generator via a gap regulator in the controlling/regulating module to specify a position reference value POSsoll of the sonotrode relative to the roll for adjustment of the power reference value Psoll of the ultrasonic generator, and/or a power actual value Pist is compared with a power reference value Psoll of the ultrasonic generator via an amplitude regulator in the controlling/regulating module to specify an amplitude reference value Asoll to the ultrasonic generator for adjustment of the power reference value Psoll.

Abstract: An ultrasonic processing method and an ultrasonic processing device may include a controlling/regulating module, preferably a digital controlling/regulating module, which is integrated into a signal processing of the ultrasonic generator so that a plurality of generator data with respect to the ultrasonic generator are processible in the ultrasonic generator. At this, a power actual value Pist is compared with a power reference value Psoll of the ultrasonic generator via a gap regulator in the controlling/regulating module to specify a position reference value POSsoll of the sonotrode relative to the roll for adjustment of the power reference value Psoll of the ultrasonic generator, and/or a power actual value Pist is compared with a power reference value Psoll of the ultrasonic generator via an amplitude regulator in the controlling/regulating module to specify an amplitude reference value Asoll to the ultrasonic generator for adjustment of the power reference value Psoll.

Abstract: An ultrasonic processing method and an ultrasonic processing device may include a controlling/regulating module, preferably a digital controlling/regulating module, which is integrated into a signal processing of the ultrasonic generator so that a plurality of generator data with respect to the ultrasonic generator are processible in the ultrasonic generator. At this, a power actual value Pist is compared with a power reference value Psoll of the ultrasonic generator via a gap regulator in the controlling/regulating module to specify a position reference value POSsoll of the sonotrode relative to the roll for adjustment of the power reference value Psoll of the ultrasonic generator, and/or a power actual value Pist is compared with a power reference value Psoll of the ultrasonic generator via an amplitude regulator in the controlling/regulating module to specify an amplitude reference value Asoll to the ultrasonic generator for adjustment of the power reference value Psoll.

Abstract: The present invention relates to a method for vibration welding. The vibration welding is performed with a plurality of mechanically decoupled oscillating heads, each of which is connected with a frequency converter. An electrical circuit connects the frequency converters such that one of the frequency converters can be operated as the master and the other frequency converters as slaves. With the help of the controlling effect of the master, both a synchronous and a targeted asynchronous operation of the plurality of oscillating heads can be realized.

Abstract: An ultrasonic processing method and an ultrasonic processing device may include a controlling/regulating module, preferably a digital controlling/regulating module, which is integrated into a signal processing of the ultrasonic generator so that a plurality of generator data with respect to the ultrasonic generator are processible in the ultrasonic generator. At this, a power actual value Pist is compared with a power reference value Psoll of the ultrasonic generator via a gap regulator in the controlling/regulating module to specify a position reference value POSsoll of the sonotrode relative to the roll for adjustment of the power reference value Psoll of the ultrasonic generator, and/or a power actual value Pist is compared with a power reference value Psoll of the ultrasonic generator via an amplitude regulator in the controlling/regulating module to specify an amplitude reference value Asoll to the ultrasonic generator for adjustment of the power reference value Psoll.