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7310982 Rolling method and rolling apparatus for flat-rolled metal materials  
The invention provides a rolling method for a flat-rolled metal material and a rolling apparatus for the method each capable of stably producing a flat-rolled metal material free from camber or...
7210209 System and method for ballizing and measuring a workpiece bore hole  
A system and method are described for ballizing and measuring a workpiece bore hole. In one embodiment, a ballizing unit having a distal end removably coupled to a ballizing member moves the...
7131304 Spinning method and apparatus  
A spinning method which makes it possible to control the pressing force of a roller tool with satisfactorily high responsiveness and have the roller tool press work following the contour of a...
7089771 Method and strip processing line, especially a strip rolling mill train or strip rolling mill stand for preventing band sticking during winding  
In a method and a strip treatment installation, in particular a strip rolling mill train or a strip rolling stand, to avoid strip stickers, as the material is being wound up the distribution of the...
7031797 Computer-aided method for determining desired values for controlling elements of profile and surface evenness  
Input variables, which describe a metal strip prior to and after the passage of a rolling stand, are fed to a material flow model. The material flow model determines online a rolling force...
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...
6694793 Process in joining  
In a process in roller folding a folding roller is moved against a workpiece. The urging force of the folding roller against the workpiece is resilient, and the folding roller moves in a path along...
6672119 Axial-position adjustment for profiled rolling-mill rolls  
Sheet piling and like steel shapes are made in a caliber rolling mill having upper and lower rolls of suitable contour. One of the rolls is axially fixed and the other can be shifted axially in...
6619090 Roll-hardening machine for crankshafts  
A roll-hardening machine for crankshafts with hard-rolling tools ( 2 ) which each have a hard-rolling roller head ( 1 ) and a counter-support roller that are each detachably attached to the ends (...
6619087 Strip rolling method and strip rolling mill  
In a rolling method applied to a multi-roll strip rolling mill composed of not less than four rolls, one of the zero point of the roll positioning devices and the deformation characteristic of the...
6523383 Monitoring and controlling system with connectorless quick-change components  
A monitoring and controlling system for monitoring and controlling various operating characteristics of machine components. The monitoring and controlling system includes a primary transceiver,...
6401506 Sheet rolling method and sheet rolling mill  
In a rolling method applied to a multi-roll strip rolling mill composed of not less than four rolls, one of the zero point of the roll positioning devices and the deformation characteristic of the...
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...
6311532 Method and device for reducing or compensating rotational speed losses during insertion or rolling stock in a roll stand  
Method and device for the reduction and/or compensation of speed drops when threading rolled stock into a roll stand whose rolling speed is controlled with a controller, the controller outputting a...
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,...
6240756 Path scheduling method and system for rolling mills  
A tandem rolling mill (FM) has mill stands (Fi; i=1 to 7) to be controlled in conformity with given rolling conditions (j) to execute a given path schedule for a coil (1) to be rolled by rolls (WR)...
6142000 Method of operating a rolling mill for hot-rolling and cold-rolling of flat products  
A method of operating a rolling mill for hot-rolling and cold-rolling of flat products in one or more roll stands each having two or more rolls, wherein the roll gaps are regulated so as to correct...
6082161 Method and apparatus of stably controlling rolling mill  
In a stabilization control of rolling, proportional differential control of snake motion of a to-be-rolled material caused during a rolling process, is achieved on the basis of a lateral deviation...
6012313 Process for producing seamless tubes in cold rolling mills and for the formation and electronic regulation of external thrust  
Process for creation and adjustment, from one moment to the next, of the external force to apply by the feed assembly to the preformed forging in cold rolling mills of the "pilgrim process" type...
6000259 Position-controlled edging stand arranged in front of a finishing train for continuously cast strip material  
A finishing train for continuously cast strip material and a method of operating the finiching train, wherein an edging stand is arranged in front of the finishing train for preventing strip...
5901592 Rolling method of wide flange beam in universal rolling mill  
The method of rolling a wide flange beam results in an improved accuracy of the web thickness and the flange thickness in a universal rolling mill. Rolling a wide flange beam in a universal rolling...
5775151 Method and apparatus for spinning a metal sheet  
To spin a metal sheet around a chuck for forming a product, in a teaching phase involving force control, a product is formed on the chuck by rotating the chuck about the axis of rotation and by...
5755128 Method and apparatus for isothermally rolling strip product  
The present invention provides a hot reversing rolling mill for isothermally reducing a metal strip product. The mill includes a hot reversing mill stand with a pair of coilers positioned on...
5720196 Hot-rolling method of steel piece joint during continuous hot-rolling  
A method for continuously hot-rolling steel pieces, includes butt-joining the rear end of the preceding steel piece and the leading end of the succeeding steel piece, then finish-rolling the...
5699729 Roll having means for determining pressure distribution  
A roll system for use particularly in a papermaking press nip for dewatering a fibrous web, comprising a roll disposed so as to rotatingly cooperate with another roll in a press nip, the roll...
5692407 Shape control in a strip rolling mill of cluster type  
A strip rolling mill of cluster type has, on at least one side of the strip path, a work roll, a plurality of intermediate rolls supporting said work roll and a plurality of backing bearing...
5598729 System and method for constructing wall of a tube  
An apparatus for constricting an end of a metallic tube (or worktube) to form an arcuate-walled portion that has an outer surface is provided. The apparatus comprises a means for rotating the tube...
5540072 Eccentric roller control apparatus  
An eccentric roller control apparatus is intended to eliminate the adverse effect of the eccentric upper and lower back-up rollers against a product profile with high precision. The rolling weight...
5520037 Roll stand adjusting method  
Rolling schedule computing method for adjusting the desired roll force and desired roll gap of a roll stand, in which before rolling a strip (1) of a prescribed quality from an expected material...
5115653 Method of straightening rolled material  
A method for straightening sheet, strips, sections, girders, etc. The method includes measuring the straightening forces of at least one of the straightening rolls in a straightening machine and...
5012660 Control system and method for compensating for speed effect in a tandem cold mill  
In an arrangement for a tandem cold mill in order to compensate for "speed effect," each stand has a roll force memory unit and an oil film roll force controller unit which operate together, and in...
4951490 Method for automatically controlling spinning rolls  
A method for the automatic control of the setting of spinning rolls in relation to a cylindrical, tubular workpiece in an opposed roll spinning lathe with four pairs of rolls. Each of the four...
4912954 Method of rolling strip in a rolling mill and a control system therefor  
In the rolling of a metal strip in a rolling mill which has a rolling mill train of one or more roll stands, before the metal strip enters the rolling mill train the roll stand are each given a...
4910985 Method and apparatus for the detection and correction of roll eccentricity in rolling mills  
The invention provides a new apparatus for the detection, measurement and display of roll and roll bearing eccentricity in a rolling mill, and also an apparatus for correction of such...
4909060 Oil compression compensation system  
A pre-set fluid actuator for setting the roll gap of a rolling mill having a transducer for detecting actuator movement and an electrohydraulic servovalve for controlling its position, a control...
4907434 Method and device for controlling strip thickness in rolling mills  
The present invention relates to a method and device for controlling a thickness of a strip in a rolling mill which has a roll gap adjusting device and a rolling speed adjusting device. Rolling...
4805492 Method for controlling a shape of a plate  
In rolling mill equipment provided with a roll bending mechanism for removing an unacceptable shape of a plate in width direction of the plate and a crown of a plate in the form of an uneven...
4763273 Apparatus for detecting eccentricity of roll in rolling mill  
An apparatus for detecting a roll eccentricity in a rolling mill includes mark pulse generators each provided for upper and lower rolls from which an eccentricity is to be detected, the mark pulse...
4753093 Planarity control in the rolling of flat stock  
A conventional planarity control system with feedback loop is used but augmented by a lead function having its principal input actually occuring rolling force and variations thereof under...
4706479 Tandem rolling control system  
A system for controlling interstand tension of a tandem rolling mill includes a detector for directly detecting a travelling speed of a work between two neighboring stands. A value of a speed of...
4700312 Method and apparatus for controlling snake motion in rolling mills  
A method and an apparatus for controlling a rolling mill which dampens a snake motion of a material being rolled is disclosed. According to this method and apparatus, an amount corresponding to the...
4685063 Process and device for compensation of the effect of roll eccentricities  
A process and device for compensation of the effect of roll eccentricities upon thickness regulation of material being rolled in a roll stand (1), wherein eccentricity oscillations are simulated by...
4633774 Control device for a roll press  
A control device in particular in a multi-roll press (22 to 24) of a calender intended for the glazing of a continuous thin web, such as a paper web, which said press comprises a compensated upper...
4617814 Process for controlling load distribution in continuous rolling mill  
A process for controlling a ratio of load distribution among a plurality of rolling stands to roll a work progressively comprises storing, when a ratio of load distribution between a stand located...
4616494 Method of and apparatus for controlling load distribution for a continuous rolling mill  
A method of and an apparatus for controlling the load distribution ratio among a plurality of stands in a continuous rolling mill preferentially performs load distribution ratio control between or...
4580224 Method and system for generating an eccentricity compensation signal for gauge control of position control of a rolling mill  
A system and method for adjusting the device used to exert a force against a strip being rolled by a rolling mill having at least one rotating backup roll. This system and method includes creating...
4521859 Method of improved gage control in metal rolling mills  
In a metal rolling mill of the type employing automatic gage control (AGC) to control the gap between the rolls utilized to reduce the thickness or gage of a workpiece passed between the rolls,...
4513594 Method and apparatus for combining automatic gauge control and strip profile control  
The method of combining automatic gauge control and strip profile control in a tandem rolling mill comprises detecting a signal representative of the actual roll separating force in a first tandem...
4512169 Automatic plate thickness control device  
A thickness control device and method for maintaining the thickness of the rolled material which is passed between the rollers of a rolling mill, in which the rollers above and below the rolling...
4509351 Spinning lathe  
In this spinning lathe, the force exerted by a wheel on the workpiece is constantly supervised by one or more force sensors which furnish an instantaneous force signal to a servo-loop which...
Matches 1 - 50 out of 133 1 2 3 >