Patents
Patents for B21B 37 - Control devices or methods specially adapted for metal-rolling mills or the work produced thereby (9,690)
02/1995
02/28/1995US5392623 System for monitoring a pilger wall
02/16/1995WO1995004914A1 Virtual two gauge profile system
02/15/1995EP0638375A1 Method and device for monitoring chattering in twin drives of tolling stands
02/15/1995EP0638374A1 Mill actuator reference adaptation for speed changes
02/14/1995US5388341 In a mill
02/01/1995CN1098032A Method of and apparatus for rolling belt steel
01/1995
01/28/1995CA2101363A1 Manufacture of thin metal sheet
01/19/1995DE4323837A1 Automated high-speed rolls
01/11/1995EP0633074A1 Method and production of hot-rolled band steel containing carbon
01/05/1995WO1995000265A1 Control of single stand/reversing mills
01/03/1995US5379237 Automated system for controlling the quality of regularly-shaped products during their manufacture
12/1994
12/27/1994US5375448 Non-interference control method and device
12/14/1994EP0628361A1 Sheet crown control method and rolling equipment line for endless rolling
12/08/1994DE4319367A1 Method for detecting the actual tension value for the purpose of minimal-tension regulation in a multi-stand continuous rolling mill
12/07/1994CN1026936C Method and apparatus for controlling the speed of a motor
11/1994
11/24/1994DE4416364A1 Method and control device for controlling a process
11/24/1994DE4416317A1 Method and control device for controlling a material-processing process
11/23/1994CN1026669C Method for oil controlling of rolling mill and oil apparatus of same
11/22/1994US5365761 Method for the production of low-residual-stress rolled strip
11/10/1994DE4411313A1 Method for filtering out the influence of eccentricity during rolling
11/02/1994EP0621812A1 Process for manufacturing a formed body made by pressing or deep-drawing
10/1994
10/27/1994DE4322924C1 Method and apparatus for the production of hot-rolled carbon-containing steel strip
10/26/1994EP0621087A1 Rolling mill and method
10/25/1994US5357773 Method of longitudinal rolling of seamless pipe
10/19/1994CN1093622A Method and apparatus for elongating metal tubes by means of a mandrel mill
10/18/1994US5357421 Method for closed-loop control of technical processes using multiple controllers
10/18/1994US5355570 Method for the production of bright round steel
10/06/1994DE4410878A1 Device and method for monitoring a pilger mill
10/05/1994EP0618021A1 Method and device for hydraulic roll-gap control
10/05/1994EP0618020A1 Method and device for rolling of a strip
10/05/1994CN1093025A Method and apparatus for controlling of thermo form of working roller
10/04/1994US5353217 Control system with pilot controller, especially for a roll stand
09/1994
09/20/1994US5347837 Method of rolling using bendable sleeved roll
09/14/1994EP0614404A1 Control device for positioning the superstructure of a four-column roll stand.
09/07/1994EP0613737A1 Roller arrangement with a controlled deflection roll
08/1994
08/30/1994US5341663 Automatic process control and noise suppression
08/18/1994WO1994017933A1 Tape take-up reel with an electric motor drive, especially one with a speed-transforming transmission
08/18/1994WO1994017932A1 Manufacture of metallic strip
07/1994
07/19/1994US5331565 Control system having optimality decision means
07/12/1994US5327754 Method and apparatus for controlling the passage of rolled stock of little longitudinal tensile strength through a continuous rolling mill
07/12/1994CA1330615C Method for continuous casting of thin slab ingots
07/07/1994WO1994006581A3 Process for manufacturing a formed body made by pressing or deep-drawing
07/05/1994US5325692 Method of controlling transverse shape of rolled strip, based on tension distribution
06/1994
06/29/1994EP0603598A1 Method for manufacturing a steel strip by casting an ingot and subsequently rolling
06/24/1994CA2111903A1 Method for the production of a steel strip by the casting of a strand followed by rolling
06/22/1994EP0602492A1 Cluster mill
06/22/1994EP0362241B1 Coolant flow control
06/15/1994EP0601932A1 Method and apparatus for elongating metal tubes by means of a mandrel mill
06/09/1994DE4241188A1 Control of extension of tubes during rolling - by measuring of internal temp. and use as control for planning rolling conditions
06/08/1994CN2167795Y Scraper drill chip conveyer
06/01/1994EP0599277A1 Method and device for controlling the thermally-caused contour of working rolls
05/1994
05/26/1994WO1994011129A1 Reverse rolling control system of pair cross rolling mill
05/11/1994CN2164331Y Step pressure controlled sheet material corrector
05/05/1994DE4325074A1 Controlling the speed of rolled material during multisection continuous hot-rolling for minimum longitudinal tensions - with load torque signal from one section used as calibration measure for roll speeds of subsequent sections
04/1994
04/28/1994DE4331261A1 Strip mill stand with roll gap control - by applying different bending forces in opposed directions to work roll journals
04/26/1994US5305624 Sizing-stand group
04/14/1994WO1994007618A1 Device for controlling the rotational speed of the rolls of a rolling mill
04/14/1994DE4233462A1 Improving the properties of martensitic steel wire - through further forming by cold-rolling processes
04/14/1994DE4232916A1 Assuring a required final temperature of pipes rolled from pipe blooms - with reheating taking place between the descaling unit and the cooling bed
04/13/1994EP0591291A1 Regulation system in the manufacture of hot rolled strips by means of a multi-stand hot rolling mill.
04/13/1994EP0532560B1 Process for the production of low-residual-stress rolled strip
04/12/1994US5303385 Control system having optimality decision means
04/06/1994EP0590682A1 Work rolls crossing type mill, rolling system and rolling method
03/1994
03/31/1994WO1994006581A2 Process for manufacturing a formed body made by pressing or deep-drawing
03/31/1994WO1994006578A1 Process for suppressing the influence of roll eccentricities on the regulation of the rolled product thickness in a roll stand
03/31/1994DE4232920A1 Reducing vibrations of roll-shaped work elements - where mean angle between vibration and peripheral velocity vectors of the rolls is much less than 90 deg.
03/31/1994DE4232685A1 Vorrichtung zum Regeln der Drehzahlen der Walzen eines Walzwerkes Device for regulating the rotational speeds of the rollers of a rolling mill
03/29/1994US5297408 Method of an apparatus for controlling hydraulic rolling reduction in a rolling mill
03/24/1994DE4231615A1 Verfahren zum Unterdrücken des Einflusses von Walzenexzentrizitäten auf die Regelung der Walzgutdicke in einem Walzgerüst A method for suppressing the influence of roll eccentricities on the control of the rolling-stock thickness in a roll stand
03/24/1994DE4231213A1 Verfahren zum Herstellen eines durch Pressen oder Tiefziehen gefertigten Formkörpers A method for producing a fabricated by compression molding or deep drawing
03/10/1994DE4229323A1 Automatic adaptation of roll frame rotations during rotational breakdown in one of the frames - with prior rolls compensating from breakdown, to prevent material build-up in front of problem roll frame
03/01/1994US5291108 Method of equalizing the torque on a drive of a pilger rolling mill
03/01/1994US5289867 Method of and apparatus for cooling with improved control system
02/1994
02/16/1994EP0582980A1 Endless hot rolling method
02/16/1994EP0582826A1 Monitoring device for the drive of an uncoiler
02/08/1994CA1326910C Method for determining temperature of metal to be rolled by hot strip mill and apparatus for performing the same
01/1994
01/26/1994EP0580292A1 Additional profile control for cluster mills
01/26/1994EP0580291A1 Profile adjustment for cluster mills
01/26/1994EP0579854A1 Strip tension control apparatus
01/25/1994CA1326521C Eccentricity compensator for rolling mill
01/13/1994DE4322991A1 Motor control installation - capable of stopping all motors, (and the rolls driven by these motors) at the same time
01/06/1994WO1994000255A1 Flatness control in the rolling of strip
01/05/1994DE4321963A1 Hot strip rolling train control - comprising setting roller surface speeds in neighbouring stand pairs to cancel out internal mass flow variations
01/05/1994DE4220121A1 Determn. of actual draw in multistand rolling train - by taking actual value of current load at first stand as ratio of opening value stored, for time synchronisation with material travel
12/1993
12/29/1993EP0575636A1 Control method for dead time subject loops
12/28/1993US5272927 Anti-backlash spline coupling for use in a position measuring system
12/23/1993DE4220424A1 Slab shearing equipment for hot wide strip mill allowing redn. in shearing region length and slab spacing - where sheared pieces are upstream of shear, and distance from cutting edges to first shear cut position is specified
12/22/1993EP0575155A1 On-line monitoring of pilger workpiece displacement
11/1993
11/30/1993US5267170 Method and apparatus for controlling rolling mill
11/25/1993DE4217007A1 Controlling product quality of production installation - determining product quality by comparing attributes derived from frequency distribution with target vector
11/16/1993US5263113 Method and apparatus for controlling the speed of a motor
11/16/1993US5261376 Two cycle internal combuston engine with multiple cylinder fuel injection
10/1993
10/28/1993DE4237947C1 Multi-roll strip mill - with two work rolls, intermediate back-up rolls and support roller units adjustable by eccentric ring to provide roll camber for control of strip flatness
10/26/1993US5256944 Motor speed control method and apparatus with drooping compensation independent of acceleration or deceleration current and time constant of motor
10/19/1993US5253503 Apparatus for counterbalancing and vertical bending of the work rolls of a four-high rolling mill stand
09/1993
09/21/1993US5245853 Taper rolling - direct length measurement
09/21/1993CA1322416C Method and apparatus for setting-up rolling mill roll gaps
09/15/1993EP0560688A1 Control device of a cold-working tool for skin-pass rolling sheet metal
09/14/1993US5245257 Control system
09/07/1993US5241847 Rolling control method and apparatus
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