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8156779 Apparatus and method of producing spark plug  
In an apparatus for producing a spark plug, approach driving conditions are calculated on the basis of a specified thrust feeding amount so that, while a temporal overlap occurs between a time...
8127584 Prestressed rolling mill housing assembly with improved operational features  
The present invention provides a Cluster mill which utilizes a Cluster mill gauge control system, has a high mill stiffness, a large work roll gap for threading, a rapid work roll gap opening,...
7832241 Device and method for aligning the input apparatusses and the channels in a rolling stand  
A device for aligning the input apparatuses and the channels in a rolling stand is characterized in that it comprises: a measurement instrument (20) equipped with means (22, F, 23) for detecting...
7765844 Prestressed rolling mill housing assembly with improved operational features  
The present invention provides a Cluster mill which utilizes a Cluster mill gauge control system, has a high mill stiffness, a large work roll gap for threading, a rapid work roll gap opening,...
7511834 Optical apparatus for measuring tooling position within a seaming machine  
The present invention provides an optical device for measuring characteristics of toolings (116), especially chuck and roll in a seamer. The optical device comprises a radiation source (102)...
7475581 Method of increasing the control precision of the path of a product in a levelling machine with interlocking rollers, and levelling installation used to implement same  
A method of increasing control precision of a path of a product in a leveling machine including: a fixed support cage; two leveling assemblies with parallel rollers, which are placed above and...
7444847 Method for increasing the process stability, particularly the absolute thickness precision and the installation safety during the hot rolling of steel or nonferrous materials  
The invention relates to a method for increasing the process stability, particularly the absolute thickness precision and the installation safety during the hot rolling of steel of nonferrous...
7350388 Method for determining shape of shift roll for rolling mill  
A method for determining a shape of a shift roll for a rolling mill, includes the steps of determining a necessary control amount distribution αi for a plate crown with respect to plate widths, ...
7320237 Method for measuring misalignment of continuance mill and apparatus for measuring the same  
While a reference means having a positional relationship to the pass-line of a continuance mill determined in advance and caliber profile (area enclosed by the groove profile of a rolling roll)...
7299672 Bridle unit  
A bridle unit assigned to a rolling stand with several rolls arranged in adjustable positions below and above the strip flow, which can be moved by means of a drive from an initial position to the...
7174758 Device for measuring the roll gap between the working rollers of a cold or warm rolling stand  
A device for measuring the roll gap (7) between the working rollers (1a: 1b) of a cold or warm rolling stand for rolling out narrow or wide strips of metal, especially NE metal strips, by means of...
6708077 Furnace pacing for multistrand mill  
A method and system for furnace pacing in a mill are disclosed herein. Billets are extracted from a furnace and provided in an alternating fashion to two or more strands of a multistrand stand. The...
6658910 Roller device and method for adjusting said device  
A rolling apparatus is proposed with four rolls arranged in the shape of a star whereby one drive unit each is assigned to the rolls and whereby an adjusting unit each precedes the rolls through...
6588245 Roll gap control for coiler  
Roll gap control is provided using a first roll position detector that detects a first position of a first roll, a second roll position detector that detects a first position of a second roll and a...
6295851 Method of monitoring the distance between the rolls of a roll pair, and means for use in carrying out the method  
The invention relates to a method of monitoring the distance between the rolls of the roll pairs in a rolling line that includes a plurality of mutually sequential roll units where each unit...
6164103 Method for improving the contour of rolled material  
A method for improving the contour of rolled material over at least one segment of a rolling schedule including a plurality of rolling processes. The method includes associating at least one...
6112566 Rolling method for rod-shaped rolling stock, Particularly rod steel or wire  
A method of rolling rod-shaped rolling stock, particularly rod steel or wire, in a roll stand having two work rolls which are adjustable relative to each other in an adjusting direction and which...
5875672 Method and apparatus for manufacturing metallic support beams for windscreen wiper blade assemblies  
A method and apparatus for manufacturing metallic support beams for windscreen wiper blade assemblies, which includes a supply of metallic strip feedstock in a cold condition, the feedstock being...
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...
5671625 Shaping of thin metal products between two rolls  
The device includes two rolls (10, 11) held by bearings (13, 14) on a frame (16) and, for each roll, devices (22) for measuring the position of the generatrix diametrically opposite the neck...
5533371 Measurement device for roll gap control and process for its operation  
A rolling or continuous casting and rolling mill facility includes a roll set comprising working rolls defining a roll gap therebetween and support rolls, at least one of the working rolls and the...
5179851 Crown adjustment control system for cluster mills  
There is provided a mill computer control system for automatically controlling the position of the individual drives in accordance with at least one predetermined equation so as to produce variable...
5086399 Method and apparatus for setting-up rolling mill roll gaps  
In setting roll gaps of a rolling mill having stands arranged in tandem, the resistance to deformation of a workpiece in each of the stands is calculated on the basis of a cumulative strain in each...
5000020 Method and arrangement for controlling the thicknesses of webs and flanges of beams in universal rolling mill stands  
A method and an arrangement for controlling the thicknesses of webs and flanges of beam sections in universal rolling mill stands. A gage-meter circuit is provided for each roll of the universal...
4821544 Method and apparatus for roll gap measurement and control  
In the method and the apparatus for measuring and controlling the roll gap in a roll stand the roll gap is illuminated by a light source transversely of the roll axis or also parallel to the roll...
4817407 Rolling stand  
A rolling stand includes a stationary roll and at least one movable roll in spaced-apart relationship with the journals of the movable roll supported in a bearing unit which cooperates with a...
4715209 Crown control compensation controlling method in multiple roll mill  
A crown control compensation controlling method in a multiple roll mill, in which a variation of rolling load caused by crown control is obtained from a crown control quantity. A wedge type...
4691547 Rolling mill strip thickness controller  
A method for automatically controlling the thickness of product emerging from a rolling mill. Signals indicative of total roll force (F), rollgap position (S), angular position of one mill roll (v)...
4506532 Method for controlling continuous rolling mill and control apparatus therefor  
The invention provides a method for controlling a continuous rolling mill having at least ith and (i+1)th stands and a control apparatus therefor, wherein an exit strip thickness reference value of...
4481799 Arrangement for regulating a rolling mill for metal rolling  
An arrangement for regulating a rolling mill for metal rolling, the work rolls of which are supported by guided roll shells of a lower controlled deflection roll and an upper controlled deflection...
4480452 Rolling mill  
In a rolling mill containing two work rolls and, as desired, supporting or back-up rolls, a rapid adjustment of the roll gap or nip with elimination of effects due to elastic elongation of the roll...
4415976 Method and apparatus for automatic mill zero correction for strip width  
The change in the mill modulus of the stand of a rolling mill due to the particular strip width of a run strip of material is taken into account by reference to the unloaded mill modulus of the...
4343167 Roller-dies-processing method and apparatus  
Method for manufacturing long bars, round, square or flat, employing multi-tandem type roller dies mechanism in which each roller gap is controlled by the roller gap adjusting mechanism, and...
4248072 Method of and apparatus for producing plate material having uniform width and lengthwise thickness variation  
A method of producing a plate material having a uniform width and a lengthwise thickness variation by imparting plastic deformations to a work by means of widthwise rolling rolls and thicknesswise...
4187707 Thickness control method and apparatus for a rolling mill  
This disclosure relates to a process for the regulation of the thickness of a flat product such as a strip, sheet or plate, being rolled in a hot tandem rolling mill, and the corresponding...
4036041 Gage control system for rolling mill  
A gage control system for a rolling mill for compensating for variation in the thickness of rolled material due to variations in the rolling load or pressure. In the system, the roll eccentricity...
3992910 Rolling operations  
A method of rolling an initially annular workpiece between forming rolls in which after the forming rolls have been fully advanced they are retracted initially slowly for a predetermined distance....
3961509 Roll gap control  
The roll gap is feedback controlled in that the actual gap is detected, compared with a reference for formation of an error signal which in turn controls the relative position of the rolls. That...
3938360 Shape control method and system for a rolling mill  
A shape control system for a rolling mill comprises means for operating a roll positioning means to press down the rolls under a preselected load, when no strip to be rolled is fed between the...
3928994 Thickness control system for a rolling mill  
A system for controlling strip thickness in a rolling mill in which the rolling pressure applied to material is continuously measured or the strip thickness on the output side is continuously...
3906764 Rolling mill control method and apparatus  
Rolling mill with computer programmed for absolute lock-on AGC control rolls material having absolute aim gage without using an active thickness gage in the control loop. Computer is programmed to...
3893317 Eccentricity correction in a rolling mill  
In a method of operating a rolling mill there is a measurement stage in wh the rolls are rotated under load with the roll gap reduced to zero for a period of time equal to at least one beat cycle...
3882705 Roll eccentricity correction system and method  
A control system and method are disclosed to operate with at least one roll stand of a rolling mill to measure and record the eccentricity of each back-up roll, to monitor the rotation of the...
3803887 CONTROL DEVICE FOR ROLLING MILLS  
A control device for rolling mills adapted to control the roll gap opening S to obtain a required thickness h of a rolled material according to a relation S = h-P/M, wherein P is the rolling...
3793860 SYSTEM TO COMPENSATE FOR ROLL ECCENTRICITY EFFECTS AND/OR TO SIMULATE A MILL WITH VARIABLE STRETCH CHARACTERISTICS  
A rolling mill control system which, in one aspect, compensates for the effects of roll eccentricity during operation of the rolling mill. The control system includes circuitry which produces a...
3739613 AUTOMATIC DRAFT COMPENSATION FOR REVERSING MILL EDGER DRIVE  
An edger mill velocity reference signal is developed as a function of the draft which occurs during the forward or odd pass through a reversing mill where the entry thickness of the material to be...
3736782 THRUSTING DEVICES FOR ROLLING MILLS  
A thrusting device for rolling mills, comprising an electric resetting mechanism in which the position of rolls is fed back by directly electrically detecting a movement of a thrusting ram received...
3733866 METHOD OF CONTROLLING A CONTINUOUS HOT ROLLING MILL  
In a method of controlling a continuous hot rolling mill including a plurality of mill stands during acceleration thereof, variations in the screw down pressure (i.e., rolling load), in the speed...
3709007 HYDRAULICALLY LOADED ROLLING MILLS  
Hydraulically loaded rolling mills wherein the improvement comprises measuring means stretched over a distance between the measuring positions representing the roll gap of a rolling mill for...
3700379 MOTOR DRIVE POSITION MOVEMENT PROFILE CALIBRATION  
A slowdown profile calibration method and apparatus for a position regulated motor drive system is disclosed, including a programmed digital computer as the position controlling component of such a...
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