Abstract: A joining tool unit including a hold-down device, a movable tool, a tool counterpart element, a drive unit, a light source and a control unit. The hold-down device and the movable tool are provided opposite the tool counterpart element, the hold-down device being movable in the direction of the tool counterpart element by the drive unit. The joining tool unit joins a workpiece arranged on the joining tool unit by movement of the movable tool relative to the tool counterpart element. The control unit performs open- and/or closed-loop control of the drive unit, and the control unit is designed for open- and/or closed loop control of the light source. The joining tool unit is designed to move the hold-down device in the direction of the tool counterpart element to a position at which the hold-down device and the tool counterpart element touch the workpiece arranged on the joining tool unit.

Abstract: A joining tool unit including a hold-down device, a linearly movable tool, and a tool counter element. The hold-down device and the tool counter element are provided opposite each other, a workpiece lies on the tool counter element when the workpiece is arranged on the joining tool unit, and the hold-down device is arranged to be supported on a surface of the workpiece. The hold-down device has a light-guiding system, and the light-guiding system is designed to guide a light beam of a light in the direction of a joint location of the workpiece when the workpiece is arranged on the joining tool unit. The light-guiding system is provided on the hold-down device such that the light beam is irradiated onto the joint location solely at an angle which is greater than 0° relative to a movement axis of the linearly movable tool.

Abstract: A joining tool unit including a hold-down device with a movable tool and a tool counter element. The hold-down device together with the movable tool and the tool counter element are provided opposite each other. A workpiece can be positioned between the hold-down device and the tool counter element in the arranged state. The movable tool and the tool counter element interact in order to form a joint connection. A light-guiding system is formed on the hold-down device, to conduct a light beam in the direction of a joint location of the workpiece when the workpiece is arranged on the joining tool unit. A flow channel for a fluid is defined along a section of the light beam up to a workpiece-side end of the hold-down device.

Abstract: A joining tool unit having a movable tool, a tool counter element, a drive unit, a light-guiding system, a light source, and a monitoring unit. The movable tool and the tool counter element are arranged opposite each other on the joining tool unit, and the light-guiding system is designed to conduct light of the light source in the direction of a joint location of a workpiece when the workpiece is arranged on the joining tool unit, wherein the movable tool can be moved by the drive device in the direction of the tool counter element, and the workpiece is joined by the movement of the movable tool in the direction of the tool counter element when the workpiece is arranged on the joining tool unit. The monitoring unit controls and/or regulate the drive unit and to control and/or regulate the light source and/or a component of the light-guiding system.

Abstract: A joining tool unit including a hold-down device, a movable tool, a tool counterpart element, a drive unit, a light source and a control unit. The hold-down device and the movable tool are provided opposite the tool counterpart element, the hold-down device being movable in the direction of the tool counterpart element by the drive unit. The joining tool unit joins a workpiece arranged on the joining tool unit by movement of the movable tool relative to the tool counterpart element. The control unit performs open- and/or closed-loop control of the drive unit, and the control unit is designed for open- and/or closed loop control of the light source. The joining tool unit is designed to move the hold-down device in the direction of the tool counterpart element to a position at which the hold-down device and the tool counterpart element touch the workpiece arranged on the joining tool unit.

Abstract: A die for a device for joining is proposed, wherein at least one monitoring element for monitoring the functionality of the die is attached to the die, wherein the monitoring element comprises a strain gauge, wherein the monitoring element comprises exactly two sensors, wherein the spring means have a cross spring with multiple elastically movable spring arms, wherein one die portion is assigned to one spring arm, and wherein the spring arms are connected at one point, wherein the die has four movable die portions which are elastically movable in each case by means of one spring arm of the spring means.

Abstract: A hydraulic brake system has: a force-pressure conversion element, which is in hydraulic connection with at least one wheel brake cylinder of at least one wheel; a volume-adaptation element in hydraulic connection with the at least one wheel brake and the force-pressure conversion element; and as an actuating unit for actuating the force-pressure conversion element, which actuating unit has an input element. The pressure in the at least one wheel brake cylinder is adjusted by operating the volume-adaptation unit and/or the actuating unit. For this purpose an actuating state of the input element is maintained by operating the actuating unit when the volume-adaptation unit is being operated.

Abstract: A method for detecting an imperfect mounting of an essentially rod-shaped metallic object in a metallic hollow shaft is provided. The imperfect mounting may lead to the formation of metallic particles. The rod-shaped object is mounted electrically insulated from the hollow shaft. The electrical resistance between the rod-shaped object and the hollow shaft is measured. An alert is issued when the electrical resistance is lower than a predefined level. A device includes a spin unit with a hollow drive shaft and a nozzle mounted inside the hollow shaft. The device is configured to use the inventive method.

Abstract: A connecting element for forming a punch-riveted connection of at least two component sections is provided, wherein a foot section has at its free end a foot base with a basic shape which is cylindrical or at least approximated to the cylindrical shape. According to the invention, an annular circumferential elevated portion is formed in the foot section between the foot base and the shaft section.

Abstract: A die for a riveting tool for implementing a punch rivet connection between at least two joined part sections is proposed, the die being used in a state provided in the riveting tool for supporting the joined part sections during a connection procedure and a die front side facing toward a movable punch of the riveting tool, using which a rivet element can be pressed in a punching manner through the joined part sections to be connected, an embossing section of the die protruding in relation to adjacent areas of the die front side and causing an embossment in the die-side joined part section, so that components of the joined part material flow into an external depression on the rivet element. According to the invention, the embossing section is implemented as divided into sections. The invention additionally relates to a riveting tool.

Abstract: The present application relates to a method for connecting plug parts of an electrical plug-in connector, in which on a first plug part a hollow cylindrical retaining sleeve is disposed movably in axial direction relative to the first plug part, wherein the retaining sleeve is retained in a first position biased by a bias spring and the axial relative movement is effected against the spring force, and upon connecting the plug parts, a spring element disposed on the second plug part is pressed radially outwards in a connecting intermediate state, upon further axially pushing together the plug parts, the retaining sleeve is displaced axially backwards from the first position by the spring element, and upon further pushing together the plug parts, the spring element snaps radially inwards into a recess and the backward displacement of the retaining sleeve by the spring element is terminated and the retaining sleeve is automatically again brought into the first position by the bias spring, wherein the spring elem

Abstract: The invention relates to a plug-in connector comprising a first and a second plug part which can be reversibly coupled and disconnected in a bayonet manner with axial and rotational movements, wherein a connection device is designed that has at least one spring element, at least one spring piece of which engages with a sliding guide in the second plug part in order to connect the plug parts. The sliding guide and the spring element are designed such that the plug parts are automatically disconnected when a release threshold value is exceeded. A raised release element which is embraced by the spring piece in the plugged state of the plug parts is formed on the sliding guide.

Abstract: A braking system includes a brake pressure provision device for providing brake pressure using a brake medium; a brake pressure compensation device; a wheel brake circuit including a wheel brake cylinder for braking a wheel, the wheel brake circuit being connected via a first actuator to the brake pressure provision device and via a second actuator to the brake pressure compensation device; and a control unit for controlling the actuators and the brake compensation device in such a way that the volume of the brake medium is adapted to a desirable brake pressure in the wheel brake circuit as a function of a predefined parameter, the brake pressure in the wheel brake circuit being reduced with the aid of the brake pressure compensation device and by opening the second actuator and closing the first actuator.

Abstract: The present application relates to a method for connecting plug parts of an electrical plug-in connector, in which on a first plug part a hollow cylindrical retaining sleeve is disposed movably in axial direction relative to the first plug part, wherein the retaining sleeve is retained in a first position biased by a bias spring and the axial relative movement is effected against the spring force, and upon connecting the plug parts, a spring element disposed on the second plug part is pressed radially outwards in a connecting intermediate state, upon further axially pushing together the plug parts, the retaining sleeve is displaced axially backwards from the first position by the spring element, and upon further pushing together the plug parts, the spring element snaps radially inwards into a recess and the backward displacement of the retaining sleeve by the spring element is terminated and the retaining sleeve is automatically again brought into the first position by the bias spring, wherein the spring elem

Abstract: A method for detecting an imperfect mounting of an essentially rod-shaped metallic object in a metallic hollow shaft is provided. The imperfect mounting may lead to the formation of metallic particles. The rod-shaped object is mounted electrically insulated from the hollow shaft. The electrical resistance between the rod-shaped object and the hollow shaft is measured. An alert is issued when the electrical resistance is lower than a predefined level. A device includes a spin unit with a hollow drive shaft and a nozzle mounted inside the hollow shaft. The device is configured to use the inventive method.

Abstract: A hydraulic brake system has: a force-pressure conversion element, which is in hydraulic connection with at least one wheel brake cylinder of at least one wheel; a volume-adaptation element in hydraulic connection with the at least one wheel brake and the force-pressure conversion element; and as an actuating unit for actuating the force-pressure conversion element, which actuating unit has an input element. The pressure in the at least one wheel brake cylinder is adjusted by operating the volume-adaptation unit and/or the actuating unit. For this purpose an actuating state of the input element is maintained by operating the actuating unit when the volume-adaptation unit is being operated.

Abstract: The invention relates to a plug-in connector comprising a first and a second plug part which can be reversibly coupled and disconnected, wherein a connection device is designed that has at least one spring element, at least one spring piece of which engages with a sliding guide in the second plug part in order to connect the plug parts. The sliding guide and the spring element are designed such that the plug parts are automatically disconnected when a release threshold value is exceeded. A raised release element which is embraced by the spring piece in the plugged state of the plug parts is formed on the sliding guide.

Abstract: A connecting element for forming a punch-riveted connection of at least two component sections is proposed, wherein a foot section has at its free end a foot base with a basic shape which is cylindrical or at least approximated to the cylindrical shape. According to the invention, an annular circumferential elevated portion is formed in the foot section between the foot base and the shaft section.

Abstract: Errors which may be detected by an error detection unit may occur during execution of a computer program which runs on a computer system and includes at least one run-time object. In order to handle a detected error particularly flexibly and to keep the computer system available as much as possible, an error handling routine is selected from a pre-selectable set of error handling routines as a function of an identifier assigned to the run-time object and the selected error handling routine is executed.

Abstract: The invention relates to a device for transporting sheet-like products having an edge comprising a negative-pressure unit having a longitudinally running intake opening. Air can be taken in through the longitudinally running intake opening, wherein a row of the sheet-like products can be attached to the longitudinally running intake opening via their edges. The edges lie against said longitudinally running intake opening and extend transversely to the longitudinally running intake opening while being transported.