Abstract: An electric motor includes a stator housing arranged as a composite part and/or having a tubular part onto which a tube is fitted, the tubular part being force-locked to the tube.

Abstract: In a method for operating a drive system having a plurality of inverters, a respective electric motor is fed from the AC-side terminal of the respective inverter, the DC-side terminals of the respective inverters are connected in parallel with one another and this parallel connection is connected to the DC-side terminal of a rectifier, each inverter has semiconductor switches driven according to a respective pulse width modulation, the inverters are arranged as bus subscribers of a data bus to which a module designed as master is also connected, and the master assigns the bus addresses to the inverters and thereafter to each inverter the polarity of its pulse width modulation.

Abstract: In a gear unit that includes a rotatably mounted toothed part and a method for manufacturing a gear unit that includes a toothed part, the toothed part has bearing seats and a toothing, and the toothed part, e.g., together with the toothing, is produced from sintered metal powder. The toothed part is, for example, arranged as one piece, e.g., in an integral fashion.

Abstract: A gearbox includes a housing, which has a lower housing part onto which an upper housing part is placed. The lower housing part and the upper housing part are in physical contact along a contact surface, for example, so that the contact surface between the lower and upper housing part lies in a plane and/or is planar. Cooling fins are situated on the housing, the cooling fins having a curved characteristic such that a portion of an axially directed airflow streaming along the housing, and thus in particular an airflow that is streaming parallel to the axis of rotation of the input shaft, is deflected in a transverse direction between two cooling fins disposed closest to each other in the axial direction in each case, the axial direction, for example, being parallel to the contact surface, e.g., the plane.

Abstract: A communication module for a system for transferring data by light beams includes a transmitter for emitting a light beam in which data to be transferred are encoded, and a receiver for receiving a light beam. The transmitter includes a light source, and the receiver includes a light sensor. The transmitter and receiver are disposed offset from each other in a vertical direction. The transmitter emits a light beam in a longitudinal direction. The receiver has a mirror, which can be pivoted about a pivot axis extending in the vertical direction between a folded-out position and a folded-in position. The mirror is disposed such that a light beam incident from the longitudinal direction is deflected toward the light sensor by the mirror in the folded-out position. A system for transferring data by light beams includes at least one first communication module and at least one second communication module.

Abstract: An electric motor includes an angular position sensor, a housing part, a bearing, e.g., a floating bearing, and a rotor shaft. A bearing seat is provided on the housing part, in which bearing seat the bearing, e.g., the outer ring of the bearing, is received. The inner ring of the bearing is arranged on the rotor shaft and is fixed in the axial direction on the rotor shaft. The angular position sensor includes a first printed circuit board, and a spring element supported on the housing part presses onto the first printed circuit board. At least one tongue region of a part connected to the first printed circuit board bears against the outer ring.

Abstract: An EtherCAT bus system includes an EtherCAT master, EtherCAT nodes, and an EtherCAT star hub arranged and/or assembled on the same printed circuit board with the EtherCAT master.

Abstract: In a method for operating an electric vehicle, including an electrical drive device for driving the vehicle, a control device for controlling the driving of the vehicle, a first energy storage device for supplying the control device with a first DC voltage, a second energy storage device for supplying the drive device with a second DC voltage, and an energy supply unit providing an output DC voltage, the first energy storage device is connected to the energy supply unit via a converter device, the second energy storage device is connected to the energy supply unit, the converter device converts the output DC voltage into the first DC voltage, a first power flow from the first energy storage device to the second energy storage device is prevented and a second power flow from the second energy storage device to the first energy storage device is prevented.

Abstract: A method for operating a drive train includes supplying a motor voltage to an electric motor by a converter for achieving a torque setpoint value, determining an angular velocity actual value and an angular acceleration actual value from values of the angular position of the rotor, determining the torque setpoint value from a moment of inertia and an angular acceleration setpoint value, which is determined as an actuation variable, determining the moment of inertia as the sum of the moment of inertia of the drive train without a load and the moment of inertia of the load, and determining the moment of inertia of the load from a torque actual value and from the angular acceleration actual value.

Abstract: In a transporting system for transporting a container, and a method for operating a production installation having a transporting system, the transporting system has a vehicle and a transport vehicle, on whose frame two wheel drives are disposed, which are set apart from each other and have a wheel in each case, in particular, the two wheels are disposed so as to touch a floor in order to generate traction force for the transport vehicle, in particular, the wheel axles of the two wheels are aligned parallel to each other. A first and a second shoulder part are situated and/or provided on the frame, and the first shoulder part is situated at a distance from the second shoulder part, and a space region is situated between the wheel drives and between the shoulder parts, into which the vehicle together with the container it accommodates is able to be driven and out of which the vehicle together with the container may be driven.

Abstract: A gear unit includes a shaft and a housing part. A bearing is received in the housing part, and a flange part is connected to the housing part. The flange part is sealed from the shaft using a first and a second labyrinth seal, and the first labyrinth seal is axially spaced apart from the second labyrinth seal. The shaft has an elevation that is arranged axially, e.g., in the axial direction, between the first labyrinth seal and the second labyrinth seal.

Abstract: In a method for calibrating a laser scanner of a vehicle by at least one reflection unit for reflecting a laser beam of the laser scanner, the at least one reflection unit including a first plate, a second plate, and a screen, the first plate being arranged between the second plate and the screen in a beam direction, the first plate having a first reflection surface, the second plate having a second reflection surface, the screen having a third reflection surface, a gap that extends in the vertical direction and in a transverse direction being formed between the first plate and the second plate, and a projection of the gap in the beam direction being incident on the third reflection surface, an alignment of the laser scanner being checked by a laser beam of the laser scanner being directed at the at least one reflection unit and the laser beam being moved in the transverse direction along the at least one reflection unit, and, for a plurality of positions of the laser beam in the transverse direction, a respe

Abstract: A geared motor, e.g., a gear unit or a bevel gear unit, which is able to be driven by an electric motor, includes a housing part, which is produced by a die casting method, during or after which sliders are moved, in particular pulled out, in respective drawing directions for the demolding, and an input shaft. The housing part includes a channel, demolded in a first drawing direction, in particular, using a first slider, the channel being adapted to extend through the wall of the housing and ending in the interior space region of the gear unit. The drawing direction has a non-vanishing angle in relation to the axis of rotation of the input shaft, its angle in particular amounting to between 5° and 45°, e.g., between 5° and 20°.

Abstract: A drive device includes a gear unit, which is able to be driven by a motor and includes a pressure-lubrication system. The pressure-lubrication system has a distributor block, having a continuous longitudinal bore and continuous transverse bores. The distributor block is arranged as a single piece, in particular from metal such as steel or aluminum.

Abstract: In a method and system for producing a gear unit that includes a housing and a shaft with bearing(s), the housing having lower upper parts, and a bearing seat: the bearing is fitted onto the shaft, the outer ring of the bearing being limited axially by a retainer attached to the shaft; the shaft, bearing, and retainer are inserted into the lower part; the upper part is fitted onto and connected to the lower part, the bearing being received by first and second sub-regions; a shim ring is placed against the outer ring; screws are screwed into axially oriented threaded holes of the housing such that the shim ring is limited by the screw heads of the screws; and the retainer is removed and a bearing cover is connected to the housing and axially limits the shim ring.

Abstract: A mobile transport system for transporting objects in a technical system, includes a vehicle frame, a first wheel pair, a second wheel pair, and a third wheel pair, each having two wheels rotatable relative to the vehicle frame, and a swing frame pivotable about a swing axis extending in a transverse direction relative to the vehicle frame. The first wheels of the first wheel pair are attached to the vehicle frame, and the second wheels of the second wheel pair are attached to the swing frame. The third wheels of the third wheel pair are attached to a tilt frame pivotable relative to the swing frame about a tilt axis extending approximately in the longitudinal direction.

Abstract: In a drive system having an inverter and electric motor, and a method for operating a drive system, the electric motor is fed from the AC-voltage-side terminal of the inverter, a first series circuit, which includes a brake resistor and a first controllable semiconductor switch, is connected at the DC-voltage-side terminal of the inverter, and a second series circuit, which includes an impedance and a controllable second semiconductor switch, is connected in parallel with the first series circuit, e.g., in parallel with the DC-voltage-side terminal of the inverter.

Abstract: An electric motor includes a rotor and a squirrel cage winding. The squirrel cage winding has two rings, which are axially spaced apart from each other and are interconnected by bars. The rotor has cutouts axially extending all the way through for receiving bars, and the cutouts are spaced apart from each other in the circumferential direction. The rotor has radially outwardly open axial grooves, and the radial distance range covered by the axial grooves contains the radial distance range covered by the bars.

Abstract: In a method for operating a computer having a user interface, e.g., a graphical and/or interactive user interface, a robot, which has members, e.g., arms, rotatable relative to each other and a tool and/or a load, are displayed graphically. One of the members is selectable from an indicated set of members, and a value of an inertial characteristic, e.g., a value of the mass, of this member is able to be inputted. The value of the mass of the member, the position of the center of mass of the member, and both the magnitude and the direction of each of the principal axes of inertia of the selected member are displayed graphically.