Matches 1 - 50 out of 318 1 2 3 4 5 6 7 >
Match Document Document Title
7631531 Adjusting roll in rolling frames, among others vertical upset forging frames  
The invention relates to an adjusting roll for the rapid adjustment of rolls in rolling frames, among others vertical upset forging frames, comprising at least one respective piston, which acts on...
7500374 Apparatus for urging an oil film bearing onto and off of a roll neck in a rolling mill  
An apparatus for urging an oil film bearing onto and off of a roll neck in a rolling mill comprises an annular hydraulically actuated piston/cylinder unit mounted on a cylindrical section of the...
7387008 Apparatus and method for rolling workpieces  
There is provided a new and improved apparatus and method for rolling workpieces such as crankshafts. The apparatus has first and second rolling heads mounted at spaced positions along a common...
7380431 Oil film bearing with compact hydraulic mount  
An oil film bearing is disclosed for a rolling mill roll having a tapered neck leading to a reduced diameter end section. The bearing comprises an internally tapered sleeve received in a seated...
7381301 Device and working method for automatically changing the work rolls, the back-up rolls and the intermediate rolls of a single-stand or multiple-stand strip mill  
A roll changing carriage can be displaced transversely with respect to the strip rolling stand and a removal crossbar is provided for the removal of the set of backup rolls. In order to shorten the...
7347073 Rolling mill stand for the rolling of different rolled stocks which require different rolling forces  
A rolling mill frame for the rolling of different rolled stock which requires different rolling forces and which has working rolls, back-up rolls, optionally a roll being device for the working...
7234334 Saddle for backing assemblies in a rolling mill  
A saddle for a backing assembly in a rolling mill has non-cylindrical bearing surfaces that accommodate wear by allowing the saddles to self-align. The non-cylindrical bearing surfaces help prevent...
7225657 Elimination of rolling mill chatter  
A method for eliminating the vibrational chatter in a rolling mill stand, whereby existing roll chocks are machined to allow commercially available thrusting means, including hydraulic cylinders...
7188496 Method for detecting the vibrations of a roll stand  
The invention relates to a method for detecting the vibrations of a roll stand ( 1 ) equipped with a hydraulic jack ( 6 ) as a device for adjusting the rolling rolls ( 4, 5 ). The hydraulic jack...
7111486 Roll stand for hot-rolling or cold-rolling metallic strips  
The invention relates to a roll stand for hot-rolling or cold-rolling metallic strips. The roll stand comprises back-up rolls and work rolls ( 2, 3; 4, 5 ) which are respectively positioned in...
7086263 Universal rolling stand with roll gap control  
A universal rolling stand with control of the space between the rolls comprises a pair of horizontal rolls and one or more vertical rolls with respective chocks, positioning housings and a guide...
7021105 Device and method to bend the rolls in a rolling stand  
A device to bend the rolls in a rolling stand, wherein each roll to be bent is rotatably mounted in two corresponding chocks each associated to two series of two double-effect actuators, for a...
6993951 Bending device for the working rolls of a hot-rolling frame  
A hot-rolling stand including blocks arranged in the stand windows and having hydraulic piston cylinder units provided as bending devices which are able to transfer bending forces via guide...
6895794 Rolling mill and rolling method  
A screw down cylinder, an upper backup roll chock, and an upper work roll chock are pressed against an upper crosshead by hydraulic cylinders, and an upper roll cross mechanism is actuated, whereby...
6763694 Vibration damping apparatus  
Vibration damping apparatus ( 40 ) includes a body in the form of backup roll balance piston ( 42 ) positionable for sliding movement in an enclosure in the form of cavity ( 44 ) in the lower...
6561003 Support system for cantilevered-roll shafts  
A rolling stand has a frame and a pair of support shafts centered on respective parallel shaft axes and each having an outer end projecting past the frame, inner and outer axially spaced bearing...
6510721 Rolling mill  
Work rolls opposed to each other have shafts rotatably supported by upper and lower work roll chocks of a housing, a screw down device for applying a predetermined pressure to the upper work roll...
6446477 Plate rolling mill  
The invention intends to always maintain a distance between a hydrostatic pressure bearing and a roll even in a transient state before and after the start of rolling, thereby sufficiently and...
6408667 Four-high mill stand roll change device, a method of retrofit, and a roll change device therefrom  
The invention is directed to a roll change device for use in a four-high rolling mill stand, and in particular it is directed to retrofitting an existing four-high rolling mill stand with a roll...
6386268 Method for adjusting a continuous casting installation roll segment  
The present invention relates to an adjusting method for a roller section of a continuous casting machine which is provided with a section input side ( 6 ), a section output side ( 7 ) and a pair...
6354128 Method to eliminate the play between chocks and relative support blocks in four-high rolling stands and relative device  
A method to eliminate the play between the chock ( 13 ) and the support element ( 16 ) in four-high rolling stands ( 10 ), the rolling stand ( 10 ) comprising working rolls ( 12 ) and back-up rolls...
6266989 Method and machine for straightening sections  
A method and a machine for straightening sections by eliminating multi-axle deviations from the required section and from the required straightness using one or more straightening tools arranged,...
6170312 Hydraulic load capsule for a metal working rolling mill  
This invention relates to a roll mill comprising hydraulic clamping devices acting on at least one roll (2) with adjustable level, and devices for measuring the position of the adjustable roll,...
6094959 Compression unit for oscillating roll  
Compression unit for oscillating roll, suitable to generate a compression thrust on a surface subject to translatory movements on a plane which does not contain the axis on which the compression...
6073475 Servo-assisted rolling stand  
6035687 Rolling mill stand for rolling wire  
A rolling mill stand for rolling wire and including a frame, at least one chock mounted in the frame and having a roll-side bearing and a thrust bearing, a roll support shaft supported in the...
6012386 Bearing control system for a roll with hydrostatic bearings  
A bearing control system for a roll with hydrostatic bearings which is mounted by its axle on a bearing block or other equivalent frame member by hydraulically loaded hydrostatic bearing elements....
5996388 Hydraulically preloaded rolling stands  
A rolling cage to produce hot rolled bars, comprising at least one pair of rolling cylinders (12, 13) mounted on their respective stands (14, 15) in which a clearance (17) (processing gap) between...
5979305 Method and apparatus for controlling deflection of a roll  
A method and apparatus for controlling a deflection roll for compressing a web of material includes a shaft and a hollow roll disposed around the shaft. The hollow roll includes a working surface...
5924319 Roll crossing, offsetting, bending and shifting system for rolling mills  
A combined work roll crossing, offsetting, bending and work roll axial shifting system for a rolling mill having a housing member on each side and at each end of each work roll, Mae West blocks...
5911783 Adjusting device for the rolls of a calendar  
An adjusting device for the rolls of a calender having a hydraulic drive for the fine setting of the rolls in their working position and a hydraulic drive for positioning the rolls in the working,...
5850785 Coupling construction between an extended-nip roll and a backup roll  
A coupling construction between an extended-nip roll including a non-revolving central axle supported by bearings which permit angular deflection of the non-revolving axle and a backup roll....
5848544 Apparatus for a balanced adjustment of the roll position in stands with two working rolls for longitudinal rolling mills  
An apparatus is described for adjusting the position of rolls (9) in stands with two working rolls for longitudinal rolling mills, in particular for rolling seamless tubes, with hydraulic capsule...
5816144 Precision roll stand  
A precision roll stand includes a roll housing absorbing the rolling forces. In the roll housing rolls constituting a roll pair with their roll chocks are mounted so as to be rotatable and mutually...
5809821 Roll stand with backing rolls and work rolls  
A roll stand with backing rolls and work rolls for rolling sheets and strips, in which at least the upper and lower work rolls mounted in chucks inside of housing windows formed between housing...
5765424 Sizing stand for rolling hot-rolled bars  
A sizing stand (10) for rolling hot-rolled bars (17) comprises at least one pair of rolling rolls (13) carried by chocks (12) mounted on a support frame (11). Said stand also comprises power means...
5735198 Roller bearing apparatus  
A roller bearing apparatus for supporting a compensation roller that is disposed adjacent to a roller of a roller stack. The compensation roller has an axis. The roller stack has an axis. A plane...
5706691 Stand supporting method and equipment thereof and a position measuring method of a supporting platform and equipment thereof for roll former  
It is an object of the present invention to provide a supporting method, equipment, and controlling method for the roll-former stand by which the height and inclined angle of the cluster roll...
5653137 Five-high rolling mill  
A multi-high rolling mill is disclosed which includes an upper work roll backed by an intermediate roll and a backup roll and a lower work roll backed up by a single backup roll. Control benders...
5638716 Bending block for bending the rolls of cluster roll stands  
A bending block for bending the rolls of cluster roll stands is rigidly connected on both sides of the chocks of the pair of rolls to be bent to the windowed housing posts of the roll housing or to...
5609054 Rolling mill for flat products  
A rolling mill for flat products characterized by a roll assembly including a pair of work-rolls confronted reciprocally, and support-rolls divided by not less than three partitions in a roll...
5596899 Mill housings for cluster mills  
A two-part housing assembly for a cluster mill. The housing assembly has substantially the same size, form and structure as a monobloc housing, but is divided along a horizontal plane located at or...
5558018 Support frame for nip rollers  
A frame structure for calenders in a paper machine in which two vertical legs are horizontally connected to one another. The calender rolls are mounted, one above the other, between the vertical...
5531090 Adjusting device for the brush roll in a roll stand  
A device for adjusting a brush roll relative to a work roll in roll stand, particularly a roll stand for hot-rolling of aluminum includes pivotable supports mounted on both sides of the brush roll....
5495798 Adjustable-crown roll  
The invention concerns an adjustable-crown roll having a stationary roll axle which is supported on the machine frame by means of articulated bearings, and a roll mantle which is arranged to...
5400708 Supporting connections between two rolls  
A roll assembly comprising a rotatable roll (1 in FIG. 2) and a second roll (2 in FIG. 2) cooperating therewith, in which a pressing element (17) to effect displacement between the rolls along a...
5355707 Rolling mill and method for operating rolling mill  
A rolling mill in which an upper housing is guided upward and downward along columns, a fluid chamber is formed between the upper end section of each column and a column insertion hole of the upper...
5297408 Method of an apparatus for controlling hydraulic rolling reduction in a rolling mill  
The method and apparatus are provided for controlling the gap between the rolls by comparing the initial gap setting and the actual gap value and providing the quantity of hydraulic fluid for the...
5261324 Roller bearing of a two-roller machine  
A high pressure roller press for interparticle crushing and particularly a bearing support for one of the rolls having force means for the bearing housings urging the roll to obtain high pressure...
5253503 Apparatus for counterbalancing and vertical bending of the work rolls of a four-high rolling mill stand  
The apparatus for the counterbalancing and vertical bending of the work rolls of a four-high rolling mill stand (1) comprises respectively two dual-acting hydraulic adjusting cylinders (13)...
Matches 1 - 50 out of 318 1 2 3 4 5 6 7 >