Abstract: A passage barrier has first and second guide elements that cooperate to define a gate region, through which a person passes from an entrance region into a passage region. The passage barrier has a drive drive unit. The drive has an output unit including a hollow shaft having an outer shell surface. The hollow shaft has a barrier element mount formed for fixing a plate-shaped barrier element on the hollow shaft and is formed substantially in a U-shape. The barrier element is fixed between the limbs of the barrier element mount, wherein at least two adhesive grooves are provided on the inside at the base of the barrier element mount. At least two opposing adhesive grooves are provided for receiving an adhesive on the inside on both limbs of the barrier element mount and opposing grooves are formed on the inside at distal ends of the barrier element mount.

Abstract: A passage barrier includes two guide elements that define a gate region, through which a person passes from an entrance region into a passage region. At least one barrier element prevents and/or enables the passage of the person from the entrance region into the passage region within the gate region. At least one of the guide elements includes a profile attachment element for attaching at least one profile of a guide element to the base of a building structure. The profile attachment element has a vertical profile mount for mounting a vertically running profile on the profile attachment element and a horizontal profile feedthrough for feeding a horizontally running profile through the profile attachment element.

Abstract: An apparatus for controlling a strip tension during flexible rolling of metal strip comprises a roll arrangement with at least one dancer roll, the position of said dancer roll being adjustable for controlling the strip tension of the metal strip, at least one hydraulic drive coupled to the dancer roll for adjusting the dancer roll, a hydraulic tank for hydraulic fluid, which is fluidly connected to the hydraulic drive via a hydraulic supply line, a controllable valve arrangement between the hydraulic tank and the hydraulic drive for controlling the hydraulic drive, a hydraulic pump with which the hydraulic drive is supplied with hydraulic fluid from the hydraulic tank, and at least one hydraulic pressure accumulator for temporarily storing hydraulic fluid previously delivered by the hydraulic pump, the hydraulic pressure accumulator being arranged between the hydraulic pump and the valve arrangement, wherein a pressure sensor is arranged in the hydraulic drive for determining the hydraulic pressure.

Abstract: A passage barrier includes two guide elements that cooperate such that they define a gate region, through which a person passes from an entrance region into a passage region. The passage barrier has a drive with a drive unit and an output unit. The drive unit, output unit, and a barrier element are operatively connected such that the barrier element is movable via the drive unit into a position closing and a position opening the gate region. The output unit has a hollow shaft with outer and inner shell surfaces. The inner shell surface and drive unit are configured such that the inner shell surface surrounds the drive unit and the hollow shaft has a mount for fixing the barrier element on the hollow shaft. The mount is arranged on the outer shell surface and formed integrally with the hollow shaft.

Abstract: A passage barrier includes two guide elements that cooperate such that they define a gate region, through which a person passes from an entrance region into a passage region. At least one of the guide elements includes a vertically running profile, on which a locking apparatus is arranged. The locking apparatus has a torque transmission toothing, which engages into a complementary torque reception toothing of a hollow shaft of a drive. A circular stop disc is also provided and has a toothing engagement, which is engaged with the torque transmission toothing. The stop disc has a circumferential surface with a stop lug, which protrudes radially from the stop disc circumferential surface, and cooperates with a stop element arranged on the vertically running profile such that a rotation of the stop disc is delimited by the engagement of the stop lug against the stop element.

Abstract: A roll stand with at least one working roll for rolling strip material and with a hydraulic arrangement for controlling a roll gap of the roll stand, comprises at least one hydraulic adjustment unit for adjusting the roll gap, the hydraulic adjustment unit comprising a cylinder and an adjusting piston dividing the cylinder into a first chamber and a second chamber; a first double-acting valve arrangement and a second double-acting valve arrangement which are each connected to the first chamber and the second chamber for variable control of the adjusting unit, wherein the second double-acting valve arrangement is connected in parallel with the first valve arrangement and has a larger nominal volume flow than the latter; and wherein the adjusting unit can be pressurized with an working pressure of more than 200 bar.

Abstract: A gearing device for discontinuously moving at least two elements, in particular barrier elements of a passageway device, having a drive axis, a first active axis of rotation, formed for a torque-transmitting operative connection with the first element, in particular barrier element, a first non-uniformly translating gearing stage between the drive axis and the first active axis of rotation, a second active axis of rotation formed for a torque-transmitting operative connection with the second element, in particular barrier element, a second non-uniformly translating gearing stage between the drive axis and the second active axis of rotation.

Abstract: A passage barrier includes two guide elements that cooperate such that they define a gate region, through which a person passes from an entrance region into a passage region. The passage barrier has a drive with a drive unit and an output unit. The drive unit, output unit, and barrier element are operatively connected such that the barrier element is movable via the drive unit into a position closing and a position opening the gate region. The output unit has a hollow shaft with outer and inner shell surfaces. The inner shell surface and drive unit are configured such that the inner shell surface surrounds the drive unit in sections, preferably completely and the hollow shaft has a barrier element mount formed for fixing a barrier element on the hollow shaft. The barrier element mount is arranged on the outer shell surface and formed integrally with the hollow shaft.

Abstract: A passage barrier, includes a drive that has a drive unit and an output unit, wherein the output unit is formed as a hollow shaft. The hollow shaft is mounted so as to be rotatable with respect to the guide element and the hollow shaft surrounds the drive unit at least in sections, preferably completely. The drive unit includes a first torque transmission element that transmits torques from the drive unit to a guide element. The drive unit includes a second torque transmission element that transmits torques from the drive unit to the hollow shaft. The torque transmission elements are formed geometrically similar, in particular identically and arranged on the drive unit. The first torque transmission element is arranged in a frictional and/or positive manner with respect to the guide element to be detachable and the second torque transmission element is arranged in a frictional and/or positive manner in the hollow shaft to be detachable.

Abstract: A passage barrier has first and second guide elements that cooperate to define a gate region, through which a person passes from an entrance region into a passage region. The passage barrier has a drive a drive unit. The drive has an output unit including a hollow shaft having an outer shell surface. The hollow shaft has a barrier element mount formed for fixing a plate-shaped barrier element on the hollow shaft and is formed substantially in a U-shape. The barrier element is fixed between the limbs of the barrier element mount, wherein at least two adhesive grooves are provided on the inside at the base of the barrier element mount. At least two opposing adhesive grooves are provided for receiving an adhesive on the inside on both limbs of the barrier element mount and opposing grooves are formed on the inside at distal ends of the barrier element mount.

Abstract: A passage barrier includes a first guide element and a second guide element, wherein the first guide element and the second guide element define a gate region, through which a person passes from an entrance region into a passage region. At least one barrier element can prevent and/or enable the passage of a person from the entrance region into the passage region within the gate region. At least one of the guide elements includes a profile attachment element for attaching at least one profile of a guide element to the base of a building structure, wherein the profile attachment element has a vertical profile mount for mounting a vertically running profile on the profile attachment element and the profile attachment element has a horizontal profile feedthrough for feeding a horizontally running profile through the profile attachment element.

Abstract: A passage barrier has guide elements, the first guide element and the second guide element cooperate such that they define a gate region, through which a person passes from an entrance region into a passage region. At least one guide element includes a vertically running profile, on which a locking apparatus is arranged. The locking apparatus has a torque transmission toothing, which engages into a complementary torque reception toothing of the hollow shaft, wherein a circular stop disc is disposed, which has a toothing engagement, which is engaged with the torque transmission toothing. The stop disc has on its stop disc circumferential surface a stop lug, which protrudes radially from the stop disc circumferential surface, and cooperates with a stop element arranged on the vertically running profile such that a rotation of the stop disc is delimited by the stopping of the stop lug against the stop element.

Abstract: An apparatus for controlling a strip tension during flexible rolling of metal strip comprises a roll arrangement with at least one dancer roll, the position of said dancer roll being adjustable for controlling the strip tension of the metal strip, at least one hydraulic drive coupled to the dancer roll for adjusting the dancer roll, a hydraulic tank for hydraulic fluid, which is fluidly connected to the hydraulic drive via a hydraulic supply line, a controllable valve arrangement between the hydraulic tank and the hydraulic drive for controlling the hydraulic drive, a hydraulic pump with which the hydraulic drive is supplied with hydraulic fluid from the hydraulic tank, and at least one hydraulic pressure accumulator for temporarily storing hydraulic fluid previously delivered by the hydraulic pump, the hydraulic pressure accumulator being arranged between the hydraulic pump and the valve arrangement, wherein a pressure sensor is arranged in the hydraulic drive for determining the hydraulic pressure.

Abstract: A roll stand with at least one working roll for rolling strip material and with a hydraulic arrangement for controlling a roll gap of the roll stand, comprises at least one hydraulic adjustment unit for adjusting the roll gap, the hydraulic adjustment unit comprising a cylinder and an adjusting piston dividing the cylinder into a first chamber and a second chamber; a first double-acting valve arrangement and a second double-acting valve arrangement which are each connected to the first chamber and the second chamber for variable control of the adjusting unit, wherein the second double-acting valve arrangement is connected in parallel with the first valve arrangement and has a larger nominal volume flow than the latter; and wherein the adjusting unit can be pressurized with an working pressure of more than 200 bar.

Abstract: A process includes flexible rolling of a strip made of a metallic material, wherein a thickness profile with different sheet thicknesses along the length of the strip is produced such that successive regions of the flexibly rolled strip each correspond to a target thickness profile of a sheet metal blank to be cut out of same; determining a measured thickness profile of a plurality of successive regions of the strip; calculating a target position in the strip for a sheet metal blank to be cut out of the strip depending on the generated measured thickness profile of at least two successive regions of the strip; cutting the flexibly rolled strip by at least one cutting device along the target position for producing the sheet meal blank. A plant is further provided for producing a sheet metal blank.

Abstract: A device for transporting elongated metal material comprises two chain drive units with a continuous chain, which are arranged such that the elongated material is passed through between the chains with frictional contact so that the elongated material is moved; two controllable pressure units configured to apply pressure forces to the chains towards each other; at least one controllable adjusting unit which is mechanically connected to at least one of the chain drive units and which is configured to move same in a longitudinal direction of the elongated material during operation. A plant can have such a device, and a process is used for controlling such a device.

Abstract: A process includes flexible rolling of a strip made of a metallic material, wherein a thickness profile with different sheet thicknesses along the length of the strip is produced such that successive regions of the flexibly rolled strip each correspond to a target thickness profile of a sheet metal blank to be cut out of same; determining a measured thickness profile of a plurality of successive regions of the strip; calculating a target position in the strip for a sheet metal blank to be cut out of the strip depending on the generated measured thickness profile of at least two successive regions of the strip; cutting the flexibly rolled strip by at least one cutting device along the target position for producing the sheet meal blank. A plant is further provided for producing a sheet metal blank.

Abstract: A process includes flexible rolling of a strip made of a metallic material, wherein a thickness profile with different sheet thicknesses along the length of the strip is produced such that successive regions of the flexibly rolled strip each correspond to a target thickness profile of a sheet metal blank to be cut out of same; determining a measured thickness profile of a plurality of successive regions of the strip; calculating a target position in the strip for a sheet metal blank to be cut out of the strip depending on the generated measured thickness profile of at least two successive regions of the strip; cutting the flexibly rolled strip by at least one cutting device along the target position for producing the sheet meal blank. A plant is further provided for producing a sheet metal blank.

Abstract: A device for transporting elongated metal material comprises two chain drive units with a continuous chain, which are arranged such that the elongated material is passed through between the chains with frictional contact so that the elongated material is moved; two controllable pressure units configured to apply pressure forces to the chains towards each other; at least one controllable adjusting unit which is mechanically connected to at least one of the chain drive units and which is configured to move same in a longitudinal direction of the elongated material during operation. A plant can have such a device, and a process is used for controlling such a device.

Abstract: A process includes flexible rolling of a strip made of a metallic material, wherein a thickness profile with different sheet thicknesses along the length of the strip is produced such that successive regions of the flexibly rolled strip each correspond to a target thickness profile of a sheet metal blank to be cut out of same; determining a measured thickness profile of a plurality of successive regions of the strip; calculating a target position in the strip for a sheet metal blank to be cut out of the strip depending on the generated measured thickness profile of at least two successive regions of the strip; cutting the flexibly rolled strip by at least one cutting device along the target position for producing the sheet meal blank. A plant is further provided for producing a sheet metal blank.