Abstract: A rolling device has an upper and a lower work roll and at least one upper and one lower backup roll. The work rolls and the backup rolls are supported on a common rolling mill stand. The work rolls can be adjusted relative to each other in order to adjust a specified rolling gap. Each of the work rolls is operatively connected to at least one bending device. At least one first bending device is paired with die upper work roll, and at least one second bending device is paired with the lower work roll. The second bending device comprises bending cylinders which are arranged in a vertically fixed manner. The upper work roll can be readjusted or carried by the first bending device, thereby vertically adjusting die height of the rolling gap. The first bending device comprises bending arms that interact with bending cylinders arranged in a stationary manner.

Abstract: A rolling device has an upper and a lower work roll and at least one upper and one lower backup roll. The work rolls and the backup rolls are supported on a common rolling mill stand. The work rolls can be adjusted relative to each other in order to adjust a specified rolling gap. Each of the work rolls is operatively connected to at least one bending device. At least one first bending device is paired with die upper work roll, and at least one second bending device is paired with the lower work roll. The second bending device comprises bending cylinders which are arranged in a vertically fixed manner. The upper work roll can be readjusted or carried by the first bending device, thereby vertically adjusting die height of the rolling gap. The first bending device comprises bending arms that interact with bending cylinders arranged in a stationary manner.

Abstract: A hydraulic control loop controls a hydraulic adjusting cylinder. The cylinder has a cylindrical housing and a displaceable piston therein. The piston divides the housing interior into a first and a second hydraulic chamber. A first hydraulic valve supplies the first hydraulic chamber with hydraulic fluid. A hydraulic pressure of the first hydraulic chamber is adjustable by controlling the first hydraulic valve. A second hydraulic valve supplies the second hydraulic chamber with hydraulic fluid. A hydraulic pressure of the second hydraulic chamber is adjustable by controlling the second hydraulic valve. A control device controls the two hydraulic valves. In a position control state, the second hydraulic valve is controlled by a position control signal dependent on the working position of the piston and the first hydraulic valve is controlled by an adjusted position control signal, that is generated on the basis of the position control signal.

Abstract: A hydraulic control loop controls a hydraulic adjusting cylinder. The cylinder has a cylindrical housing and a displaceable piston therein. The piston divides the housing interior into a first and a second hydraulic chamber. A first hydraulic valve supplies the first hydraulic chamber with hydraulic fluid. A hydraulic pressure of the first hydraulic chamber is adjustable by controlling the first hydraulic valve. A second hydraulic valve supplies the second hydraulic chamber with hydraulic fluid. A hydraulic pressure of the second hydraulic chamber is adjustable by controlling the second hydraulic valve. A control device controls the two hydraulic valves. In a position control state, the second hydraulic valve is controlled by a position control signal dependent on the working position of the piston and the first hydraulic valve is controlled by an adjusted position control signal, that is generated on the basis of the position control signal.

Abstract: Disclosed is a support roll for a rolling mill, such as a plate rolling mill, flat rolling mill, or similar, comprising a jacket and a roll shaft which is embodied in several parts. The invention also relates to a method for producing a support roll.

Abstract: Disclosed is a support roll for a rolling mill, such as a plate rolling mill, flat rolling mill, or similar, comprising a jacket and a roll shaft which is embodied in several parts. The invention also relates to a method for producing a support roll.

Abstract: An overload safety coupling, especially for the main drivetrains on rolling stands, which bridges a toothed spindle section and a spindle section with a permanent seat. The coupling includes a rotating-and-sliding sleeve, which has internal toothing at one end to hold the spindle section in a way that allows axial displacement. At the other end, the sleeve holds an inner sleeve, which is permanently seated on the spindle section. A pressure sleeve and a pressure gap pretensioned with pressure fluid produce a nonrotatable connection between the rear sleeve-like extension and the inner sleeve, which frictional connection gives way in the event of an overload.

Abstract: Disclosed is a support roll (1) for a rolling mill, such as a plate rolling mill, flat rolling mill, or similar, comprising a jacket (2) and a roll shaft (3) which is embodied in several parts. The invention also relates to a method for producing a support roll (1).

Abstract: Disclosed is a device for influencing in a controlled manner the load-bearing force of supporting rollers (SW) that rest on working rollers. The neck (WZ) of said supporting rollers (SW) which is provided with an extension (ZA) is mounted in roller bearings or sliding bearings that are disposed in a bearing-supporting housing of the rollers of a roller stand. The neck extension (ZA) is mounted in a supporting bearing. The outside of the housing (LG) of said supporting bearing is connected to the bearing-supporting housing. An intermediate housing (ZG) which is inserted in the housing (LG) of the supporting bearing cylindrically encloses the supporting bearing, is impinged upon by a piston cylinder unit (RB, SK), and can be displaced within said housing (LG) in a radial direction relative to the axis of the neck extension (ZA).

Abstract: The invention relates to an overload security coupling, in particular for main drivetrains on rolling stands, forming a bridge between a toothed spindle section (1) and a spindle section (6), with an interference fit. According to the invention, the security coupling for axial overload may be combined with a rotational fixing against torsional overload, whereby the same is embodied with a rotating sliding sleeve (3), housing the spindle section (1) with internal toothing in an axially-displaceable manner at one end and enclosing the spindle section (6) with an inner sleeve (4) in the interference fit at the other end and the rear sleeve-like projection (13) thereof generates a fixed functional connection which gives way in case of overload with a pressure sleeve (5) and a pressure gap (14), tensioned by pressure medium.

Abstract: Disclosed is a device for influencing in a controlled manner the load-bearing force of supporting rollers (SW) that rest on working rollers. The neck (WZ) of said supporting rollers (SW) which is provided with an extension (ZA) is mounted in roller bearings or sliding bearings that are disposed in a bearing-supporting housing of the rollers of a roller stand. The neck extension (ZA) is mounted in a supporting bearing. The outside of the housing (LG) of said supporting bearing is connected to the bearing-supporting housing. An intermediate housing (ZG) which is inserted in the housing (LG) of the supporting bearing cylindrically encloses the supporting bearing, is impinged upon by a piston cylinder unit (RB, SK), and can be displaced within said housing (LG) in a radial direction relative to the axis of the neck extension (ZA).