DE1452115A1 - Automatic roll gap control - Google Patents

Description

TATENTINGENIiURE f. W. H EMM EKICH. © HO MOItH. O. OBO J Jt 20821 4-DO SS £ LOO H FI. · E * Il NE * AItEE 34-3 «... g 10 1

of the other Koapon.cn.ten of the Y / aizworks in the present one
Moment left out of consideration.

aan mvtx su the ratio koiamt, which the roller force has on the pressure control device, like it
essential »a, sunäcliat dleoea" Wchältnis algebraisch from cudrUckeii: * ".

In this, T and S ₀ suffered much from the outlet thickness of the Uaadöo
and d5.e \ 7ali25apalt setting the factor P «· Pb, the V / as-

factory penetration lodiglioh under the V7älz loads and the factor Fb ^ dis 33.

which affects the ¥ £ tlzspa, as a result of changes in the diesel cylinder load. Hence iot M ^ the module of certain V / alzrrerlrteil ©, ie: StÜtzvralsüendurclibiegung, ·
elastic expansion of the stands, compression of the adjusting screws, the adjusting screw boxes and the support roller fixtures. Since the support roll deflection is negative and the other deflections are positive, II.j represents the algebraic sum of the deflections and, although normally negative, can be positive at certain proportions

Should the Welisanbiegfkraft in reverse »! ¹ direction can be applied to reduce the crowning, equation

• j

The two equations can be expressed in a single equation wio as follows: _p .

4th

¹ bath ora-

909812/0220 - B $ -

P ATE ^ fI _- N-JGΕΝ.ΙΕϋ RE Fi W. HEM U ESIC H. G ERD MO ΧΙΐΑ 0.OROSSE 20821

<.D 0S5, ELÖORF 1.-8 EStl N ER ^ tI ₁ Et 34-3ί. ,. ft / ΐ t η Vrtf e

. ■ '.' '■■ . ■■ "-. ¹ ^ ■■ 'ria.-hs-

that it is necessary to make an additional correction in the screw-in position of the whale thrower. Your additional composition is thereby brought about; that the dough-dough sheet & st, which is produced by the folding pre- - _;

· * - ■■■ ■■■ ■ ■■ '· ■■' - ■■ - "■ -, ■ -. - '\

ricliiiUiis is replaced, to a breath in the propriety between. The surface of the metal stretchers is filled with the following _: 'This is caused by a signal from the load cells, -a'kjsü due to the force of the bending device, which provokes a false signal to promote the employment, VTG.3 result in the fact that the employment of the * 7 as a dense susanaen'orinct # Mes can be better understood viiTden with reference to equation ITr · 1 · 'v7ie previously mentioned, st.ei «· the bending of the V / alaen the V / ?. ert the Palctors r Under these Uraständen might normally ^_1;

original "al.zen setting 3_ in accordance with the increased value of the pactor. ^ p can be changed in the " 3 strive to keep the ^ outlet thickness 2 constant. This "" Of course, what-how is directly remunerated stated above - must be done *

In these atolls it is useful that the Yerhsltni " . Expressed algebraically, the a. Rise or ' dor. Power of the Vialzertbie ^ * device on the * des- Bicken ^ eOajrmteaa iiat ^ which'like ".

M -g ^ »S ^ ^ (ßleiohung Kr ·, 2) v. . ''"'...' .. ΓΓ- '"""

Es ¥ erstehtrißsi: j5hx: bel Φεχ ^ oiphunft that the falsleuat; ft.esr "^ lastsell ^ nabitssung P minus, der A7 ^^ enbl \ ^« ^ laa ^ ApLg. * ^ ^ ₁ ,

wirxt --the Xräf ii € er llßizenbieg ^ device, Pb of, the; , i z ^ lXena ^ lesung ^ -a ^ gexiOgen wlrd * if JEf the .Auslauf4 ^ick ? r% atant is held and the influence - the roll enbiegekraf * ^

PATTERN ENGINEERS F. W. H E M M E R 1 C H. G E It D MDIlEK D. GXOSSE 20821

* D 0 SS ElD O Il F 1, BERLINER AIlEE 34-3 «^ <Γ" "ΤτΓ" ΐ O r K

* rm.-hs

is held.

The ratio can, however, be drastically and disadvantageously influenced in those V / alcwerke which have a gate direction. Force or a moment is applied to the V / alsen, by which all or part of the deflection of the folds under the üals-. last V. ^r id'.r: stood opposite or this compensated '. will. Such devices can assume a number of different J ⁵ OrSCn and "can act on the location and / or operation of the mill Back-up rolls a 3-high V / alzwerkc for the production of land, plate or "heavy plate act, taken into account. In this. In context, such devices have been referred to as "Y / roll bending devices" below.

As noted above, when a roll bender is used in conjunction with a caliper heating system, an additional gap adjustment correction must be made, and a system for making such correction is the subject of the present invention. In order to address one side of this problem, taking into account that the rolling mill in question has both an AGC system and a V7alzonbiogeoystem, it is assumed that the roller bending device exerts increased pressure on the rolls, so that "an additional crowning on the orphan arises ", va. eo the evenness dec San & ee au vorbssccrn. Of course, the pressure bending device could be used to reduce the pressure drop, in the following analysis the bending pressure in the opposite direction; untrained v; ird. In the Ernten.Palle, nan also developed the traction of the Vfelsenbiegnvorrichtung. Force from the lastaelle in the thickness measurement Dyöt ^ ia fc3tgeotcllt,

909812/022 0 · _c . _kD

^ himmiuch-oud mo ue *. o. ototii

4CDiSiIOOKM, IERlINiR AUEE J4.S «,,

6.1Ό 1965 rnu — hs

■ v / erksfedorung is the same. Conversely, if there is a decrease in the Yalzdruck is slid by an increase in the YTaInspalt one rate dividing the change in roller pressure due to the Y / as works suspension is the same, one obtains a constant initial thickness *

Of course, the invention is not necessarily limited to the aforementioned thickness measuring system. Ea aubh applies for other types of thickness JControlleystonen, le; B. piv a system in which the lines of the metal stilt rollers are kept at a certain distance, and ^ swex. regardless of the changes in Y / alsdruck. With this system, the whale mill is subject to a pre-tensioning force which at any time exceeds the rolling pressure acting on the Eletall-Streckwalisen, when the YTert the pre-tensioning force is automatically changed by a value which is approximately equal to a change in the T / alcdruck, whereby the difference between the door tension force and deia Y / alsdruok is kept essentially constant

The theory of the first sy et em, that is to say, of the di eek-less system,

can be expressed by the following equation ι - * j

(CHeichung ¥ r 1). .

Here T is the outlet strength of the strip leaving the rolling mill, S ₀ the original whale gap or the adjusting screw adjustment, Pr the rolling load. And H the elasticity or the modulus of the rolling mill, as is proven by this formula, must be constant around P, if the Walalßot Pr variebel lot, the value _Q (Yialeepftlt) co ^ echanged that it coapenoiort a change in the \ 7 «lnlelaetung. Thus the Dicken-Moßpv! N- · ■ * '»corrects the tip of the screws of the AYalswerk, whereby a pioi © ntoteht for the variation in factor Pr, bo that I theorotiοc) i! Constant §09β12 / Ϊ2 2 0

iURt F.W.HtMMHICH ■ β! «0 M 0 IΛ Ϊ X · 0. β K O 3 * E 20821

t, tt «ut * t * .Auei I4.S *" '6.10.1965

rn.-bs

United Engineering and Foundry Comp, Pittsburgh, PA, USA

Automatic?. ^r algae gap control .

The invention relates to a control for automatic Control of the distance between the metalworking. Wal2en of a rolling mill as well as special ones with; Rolling mills in which. One gate direction for the deflection. the roller is used, through which the occurring ·. bends during ^ do3 Y.'alzens are compensated for ·· ν i

For itoecke of illustration, the invention is in besehriebenr with connecting with the Bicken measuring principle to control the thickness of l ^ & xgliciiem material in the longitudinal direction, as sawn ^r. ' was written in TT.S-Patent-IIr. 2,680,978, the T / .CP. . .... \ Eeösenberg et al on June 15, 1964. This .Patont deals with what is commonly referred to as an AGC system (with the letters meaning automatic gauge control), automatic, diokea control, the. Method for. Control of the strip thickness ia this system is dependent on a: ratio of awiaohen ^ de »^ rolling pressure a at- _% j vtalsbelaatungerL between the rollers that pass through the Siwlschea; This continuous bead can be developed, the Y / alceaela- j Btelluag, which sets the distance to smell dea ^ eliea. | J when there is no Waledruok, and the .Auelaufdicke ie "material. This Yerhaltnia can wi «follows auogedruoitl>, | weröenr The rolling force is proportional to the DIfferens de? AüBlaufbanddlo ^ «» uää ä «·» "'alaenelnettilLiune, where»! Proportionalfactoo? Dl «Eastieitätskonstaate des lot, the normally alo suspension (spring) (Leg beaolct wirö: ,, Based on this Yerhaltalo, the output band strength remains constant» if there is an increase in accompanied lot rcn a? decrease la the wolchor ^ tier change ib Vfelsdruck divided by .the?

^v 90 9812/0 220

t E ^ H _5- F. Vy. H | Μ M e, iriCH, s PE Il D, M _- OlLER · 0. O «Q $ SE, 20321. J 1, β EVlIN Eft AIlEE 34-36 '"-. ' \ '

\ c. in Λ

rcu-hs

is caused. This increased pressure in the line "53 ¹ ,! V / elchp dxe ΐ / alsenbiesezyrinder 23 supplies, * v; lrd

fßexjpüriL by the ICfaftifoorniittier 41 “Which means that with it verTb'-ui & eäs amplifier '45 "produces an overhaul» that is characteristic is for the factor Fb, which is given to the amplifier '4-3

Gestfelot 'V7ird _for "^ er" -comijiniert Trird with detn -V7ert S ₀ , the "" \ kennaeieimead is "for the asLstell ^ chrautieneinstellutfg. These- ^ values * are then - as stated above -» received by AB and received at the same time this ^

<.S- a signal raw to the Y «rstr3: he 55? that ^; kcnn- "";"^ f ttr ^: den ITeri;?" v J? Y lsi ?; The gate gets stronger- 48 gets

a signal »daa is characteristic ... for the ·, ge,. .., ..

·. 2 and av / ar from the S, tcuerxjult ~ Sinstellvor ^ ,, The ¥ strengthener = 43 then generates a, signal,: that-

kennzed, ohnerid iet ^: f Lir- the Lpsnng, the ^ equation,

'aufgenomaen S ervo-Tentil 66 ■' s signal from eineia · "· ^'v is associated with the can unscrew AnstellsiechaniGmus-30", "' thereby causing actuation of the Schrauben'27 through which Ä'2 calibration ^ ^f geäaxiht tiird EV '' ^_=! '■ - "■: = _*:

let MiigeTtfJeseä, SaS, the electrical Terstäyk'er illustrated in the scheme adhere to the "Wohlbek'anniisn principles," as they are in a Publikstica by Korn and JCöm ^v under the Sibl "Electri & dhe iiiu9iäri; ert. Iron UcS

the "Be-stisöiuiigeri der patent statutes?" were ^: "the pririsipies and the BötrlebsVreis" explained and the ■ presented and described what is considered to be "the best form of training" the

900812/0220 -ν-i, / y

PATEN TINO -ENICUtE FW HEMMEKICH · OER 0 M 0 11C K · 0. OROS 11 20821

'* ' [JOJiELOqHf 1, BERLINER AItEE "-3" 6.10.1965

^f ra.-hs

load. A potentiometer 69 takes into account the proportional factor between the y / roll bending force and the v / roll elastic force, which ^{fluctuates according to the change in the y r & lsbclastungen.} ! The signal from the potentiometer 69 is passed through a line 71 to a switch 72, the two \ Xontaktstege has, one of the communication with the conduit 71 in contact and the other in case of interruption of the first Xon · clock ait a line 75 in Contact comes which to; a manual setpoint setting 74 for d.en factor Pb "leads * AuÖT this'" else is on separation of the switch _72,!; of ton V * as loads passed through line 71, still maintaining the pressure in cylinder 25, which -; would not happen without the setpoint signal _{a l Pb.} The scarf- ; tor 72 feeds a signal amplifier 75 a, the 'produced ■ signal indicative of the Sumaierung the \ - is equation Pb = KPr, which in turn through a conduit.' a ■■ 76 a servo-valve 57 for controlling the volume a liquid is supplied which acts on the bending cylinders 25 and 26.

The Eetriebsweice of the scheme shown in Figure 2 should now be briefly explained. Let us assume that the setting 62 with regard to the desired thickness and the manual setpoint setting Pb 74 must be adjusted in such a way that a suitable signal T and Pb is produced. Suppose further that _t j, the material being rolled and that the läst cells 27 '; have just received a signal indicating that the Tfalz-; charges. of the rolling mill have risen. 53 with the amplifier 57, which is characteristic of the Ti'ert Pr or the "alsbelGLSJ.tunc", whereby this signal is received by the amplifier 751 and the amplifier 75 causes a seta- • Eq Servo-YentilD 57 »that the ^ roll bending cylinders 25 \ md 'PC mscordnot ict, v / o through the pressure rises and a larger!

909Ö12 / 0220

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' AT ENTIN GENIEURE FW H EM ME RICH · GE RO MO ILER- D. QiOSS f 20821 ι _b OSSEtDORF 1. B EALTN EU "AIlEE" 34.3 «- β.ΐίϊ_

Signal _f characterizing Pr «/ ρ - Pb \, the factor Pr. is fed through a line 56 to an amplifier 57 *

whereas the factor F-Pb through a line 58 of the

ii ".

striiker 43 is fed in. The amplifier 43 also receives a signal which is representative of the value t . from a line 61, this V / crt- ,. as shown in the diagram, is set by a control panel-Mckeneinstellungsvör * '·''Ti rect 62 »The amplifier 48 receives SONIT, the follow-DCN Vfert T ~ [s _o + ^^ r ^"} ^ nä produces a the characteristic is i for ^ T- ii? - j ° o ⁺ = —ff ™ .-— 7 / which he in Pora; supplies a signal through a line 63 to an amplifier 64. The amplifier 64 sends the signal further through a line 65 to a servo valve 66 which is: associated with the piston-cylinder unit 30, the cylinder unit having a pump 67, which is shown on the diagram the screw? 23, so that S _{0 is} changed to T «, A T. '- ^{; v}

As noted above, it is sometimes a wish fourth, € i ©

Tialzen bending cylinder 23 automatically in accordance with <

to operate a change in the ^ "alzbelaatung so that $ the?

Sagging of the support roller ^ 15 and 16 automatically in dependence is controlled by the special sensed Walzdruok The diagram in Pigur 2 illustrates a system with which this can be done. Coming back to repeater 57, ηεη can determine that it is sending a signal indicating that for Pr is via a line 68 to a ·.

Potentiometer 69, where a constant factor "K" is added to the value so that a signal KIr arises, which is shown on the diagram. leannt v; erden, in which;, as mentioned above Pb dia bending force; ier cylinders 2 ^ and 2 d are shown and Pr the WaIc-

, '■' ■■. ■ ..: -, .- '■ - 8ADORiGlNAL ~ Ci 5 -

£ N1EUKS FW HEiAMERtCH · G ER ₁ O- «Α O t, U * · Ο« QIÖISI 2ÖS2_t

145211S ~ «· -

are * 2 © i der ^ QschreiiJuns der -riffereneo, elements ten Sys tens smg es in front of litz. _t sun & ckst c.en 23r one of the screw part 2Ö and one © the

partial cylinder 5Q su kenitaeichneii _f ßie

are shown in Figure 1, as well as usually one of the loads © Ιΐεη 27 »Starting from the V / AlzeKbießßylinder 23 lsi a pin-3 35 is present, by means of a line 3β

a ScrYO valve 37, which feeds the toie: i <2or into which, "Vaissnbie: gesylincler 23 runs in." The SerTro valve is shown

21 »23 through a line; 3S connected »'\ fn der JTä ? s cylinder 23 is a line 39 with line 38 a on the one hand and "old a Kraftunvrandler 41 other since s freely generates an elol-ctrical signal which the Eruclc äer Kydrculilcleitung 30 is directly proportional. On the right side of the ICr & ftuisiTsnSlers' 4t sind eiektriseiie.'Lei-

42 and 44 found, trofeei on the latter is enjoyed and with the first marriage mli; a 43 is connected, S.eT generates an electrical signal »that flir ä & n, V.'ert Pfe keiinseiehnend iö-t» the on the scheme ssn ^ e-

g? ^ e »is · This 'Vert is fed to a Yerst & rlc- ^ r 45, which externally receives a fourth, which is known for the value B _n from a line 4β _t which is also shown on the diagram'. Soxait a signal is generated ir © n elmeiü Teratärker 45 which corresponds to the algebrjetieoliett i ^ & cndk of the equation Er *. 2f '"ä & ratellt» 4.1t. 3 «- 5b as shown in the

e illuotriert advised »This value '** becomes electric

by olne. Announcement 47 to elaeÄ YörstSrlcer 4S world-led

With Besag msjoi. On a © that gives SawtseGllcÄt 2f- the

P an elrtan Terst ^ ler 55 _β

al i ^r D Tea ier Le'xtmg 44 erh'SXt: * ßie'ee beiieri £ are eb'cafiiiZs atif "deä ^! lJ * Qheaa df ^ e% & hurries ^: Ber

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PATE NTf NOENIEUiE F ₁ W ₁ HtMMtKICH. OERD MtmiJt .. B. UKOSSC

20821

4-33SSHOOItM, JERlIWi »AUEt W-M. 6 · 10 «1965

rnt.-hs

145211S

Gels *; © 24 connected _f si by a fork 25 are the other connected, \ robei the fork with the piston of a Xolben-Sjlindereinheit 26 is connected "As shown in Pigur t be vorgehtt the cylinders 23 and 26 of parts of the uprights 10 and 11 supported, v / ooei the arrangement is such that equal * and opposite forces are generated by the cylinders nit & ug on & io ab atilts end parts of the stand and such forces are not applied to the stand itself .

with renewed reference to the upper backup roller 15 lcana man. appoint that their uinbcusttlclce 1? Lastiielle 27 removes "" tt " which are in connection with the anchoring holes 28 " from a primary inclination 29 in "traditional construction" as well as a second bixel weave & e "help . Ktellung be rotated dia beeteht from a Xolben-Zylladereinheit 30 which the screw 31 of the job ent oprechend the description and teaching of US Patent ITr · 5 _r 104f567 "issued cn II.P. Oiogar aa 24 Septenljer 1963 shifted . ^"R ie _f bend mentioned above, under the \ TAL2 ** ^{r ·"} loads the orphan 12, 13, 15 and 16, which are mounted as endgesttttzte elements, thus, is not uniform Querschnittsdiclce in the rolling mill expiring KateriÄl results. Well vörhesaern this condition below that Stüts- ^"w are rolling, the / alzwerks designed the set en V that they entgegengeoetst in directions to their Bigendurehfcieguag Durca operation of the cylinders 23 vn & 2 $ can be deceived You wtxB taking into account. That cylinders 23 and 2 $ ©

if to improve the "evenness of the material running out of the road " in Gcgonsats zn, whose cross-sectional thickness "can be reduced · ...

Figure 2 shows a fluid slectro-IiiagraiBii, is a sensitive understanding of seeing as the in & e ^ given * nat © a Crleichung ITr. 3 used factors "drilled

PATE H-T-JN GENIEUR F. W. HCMMEIICH. GE (D MDUlE * D. OROSSE

20821

, behine «aiue j <.j < 6.10 * 1965

rra.-hB

These goals as well as other guy marks and advantages of the invention are in the course of the following description in the annex "better understood with the accompanying drawings:

Figure 1 is an elevation, partially in section . ., of a four-high oaizwerk, dag a device cur Bending of the back-up rollers, as well as an auxiliary adjusting screw gate to carry out a quick adjustment of the ^ alzspaltea «

Figure 2 ^. is a riüsaiglceits-iSlektrik diagram for execution of the invention, τ / obei certain elements of the the rolling mill illustrated in Figure 1 for clarity are also shown in the diagram.

Reference is first made to Figure 1 / * A pair of whales «· factory stands 10 and 11 has the normal, not shown Window in which cooperating working sets 12 and these sets are normal bearing chocks H at have their outer ends, which are in the Valtwerkständera 10 and 11 find inclusion. Each work roll 12 and 13 is supported by relatively larger backup rolls 15 and 16, see above that a quartoji / alzwerk is created. The support orphans are in traditionally old bearing mounting pieces 17 on their outer parts End provided, also in the stands 10 and 11.

In order to apply the aforementioned features of roll bending to the To apply Sttttzwalisen 15 and 16, these rollers nit extended pin 18 provided, weleho outer bearing 19 have, on each side in the case of the upper Stütcwalsen 15 Parallel-Gclenlce 21 are connected, which are waiting for you extend and which lie in a fork 22, the fork feelbot rait a piston-cylinder unit 23 is connected. Kit reference to the lower support roller 16 has this in a similar way v.'eice an 2 ': parallel to the dor lager 19 running downwards «

9-09812 / 0220. .

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PATENT ENGINEERS FW HEMMCRICH. G-EKD MOlLER-D. LARGE 2Q821 XODSSELDOP. Fl. BERLfNE * ALLEE ί <-3ί 6 10 1 Q5 ~

rn.-hs

U52115 - ο * .-

Thus, the invention is directed to a system for correcting or compensating for the influence which the deflection of one or more '.7alscn des'"alcv / orko on a thickness control system for constant maintenance of the distance zv: ± see cooperating Hetsll- In other words, "the invention is concerned with a fluid-oil control system for use in conjunction with a belt-diameter control system. Head of the warehouse the Torlie ^ ende invention a control system only co-compensates the influence aen the corrective V / als deflection has on a strip thickness control system, in which the deflection devices are linked to a device by which the 'ialzlasten the rolling mill are so' actinait that these are actuated automatically according to an increase or a decrease in the whale loads.

90S612 / 0220 - σ ι ^

/ 3

FATtKTlNOcN ¹ EUSC f. W. HEMMIRICK. OMO MDlLi * ■ D OXOSIA

4ODSScI ₁ OOXiI ₁ BiRUNiSAHiSMOi October 6, 1965

Ar * 3orüc! I ' ^ri c.ifj "Jriinduiiß .in another' .travel can be practiced r.}. S the sr here expressly illustrated and

-AI- 909812/0220

Claims (3)

PATENT ENGINEERS FW HE MM ERICH. GERD MO tlE R. D. G RO SSE --- ■ 2Q DDSSEI ~ ÖO RF io HOiABERbrER 5TRASSE 5 _: j-.i *. ■.; .- , * i '"' ■ / It * -dr UNITED Engineering and Foundry Comp., Pittsburgh / USA P ate η tans ρ smells - i) Control for the automatic .control., of the. tvalzenabStandes in tJaiüs stands with zv / ei or raelii ¹ rolls, the crowning of which can be changed by means of stands on the outside of the hub noti'en attacking the roll journals, geke ή η ' ά. ei eh net dure h ^{^:;} - 'a provision for generating a harvesting' signal 'which characterizes the elastic changes of parts of the elements ^,? that of the force exerted by the idubmötoreh send, a 'device ^: to generate a second signal', -das the-change of the "^;'-Ab'Stariäes'" - zV7is "cli'eix"den' • / alzen, ve ^! rux'sacht is characterized by the pressure developed between these, furthermore by the sum "^ de-s first and second Sigoalii, - xtie denotes the Cesai.itcaider'ung;''deö""iibs'taiidesbetween" the:! folds ", - e" irt ^: * GeKi1: s'ttr recording of the "first and second signal and" to * generation; a third signal, which characterizes the algebraic sum of the first and second signal, "by an o'teu'erühg ties. '"'' for the revision of the i7äl'2'ehabs * ta-h'des '''urid*'düx'ch a device that a. fourth signal "'ER ■ ent that the fuel Settin g of Anstellvörricfrtüng ^" speaking the' respective Wälzenabstan'ä * denotes' a Vorrichtung'zur Aufhahne of ersteh ^ ⁴ second, '' diatireh "and" Viertön äignals urt'd "'z'tir the creation of an iünT-üen ⁱ " Si ^: gnäls ·,' das * "das uä3 um'däs'die '"' alzen by the between "the wälzen and"'äen ^ liüljiaotöX'cn ehtxrickel th. Press from each other are identified and 'finally-a'Vprri'cli'tun'g to be · ¹ -taLri ^ üng der- ÄnstellvorT-ichtung, by dlo the 'a "i / alze in a; Stellürt ;; ■ nerbra- 'cnt v / ird, which ;: equals the reductions dca C'aizenAbsiandcü. · .:.: ^; ί: / " ^ν -> · 9Oä8V2 / ia ^ D - ■ ^{ν w} " 7 AS -PATENT ENGINEERS FW HEM MER IC H GEUD MD LL ER O. G RO SSE 20 S 21 hv-ko 4DOSSELDORFlO-HOMiERGERSTRASSES 2 8.1D68 ;,., -! 14 52115 P 14 52 115 ' 2) Control according to claim 1, in which the following equation is unsolved for oils: In it is: T = Gewüns elite: iaterialdic3ce
T = actual .lat ^ ri al thickness S = the relative size of the processing rollers ο '" F = the pressure developed between the folds 7b = the force exerted by the Öei force exerting device, Λ = liodule of the parts that are exposed to the pressure developed between the rollers and Ά _Λ = module of the parts that are exposed to the force-exerting device and the device which is controlled by said control device for actuating said device for the adjustment of said one roller in terms of a result of T = T. 3) Control according to claim 2 in which the fourth signal is the Pressure indicates that between the processing rollers arises, a device for multiplying a substantially constant value by the fourth signal, wherein the constant fourth is a proportionality factor of that developed between the lift motors and that between the rollers Pressure represents »a device for receiving the modified signal that generates a fifth signal, that marks the change that is necessary to that of the Hubiuotoren. applied pressure in accordance with a change in the pressure developed between the rollers changes. 909812 / Ü22ÜBAD OBlSINAL - Λ 3 - ATEN TlMG ENIEUR E FW HE MMERtCH .GERDMDlL EK '0, LARGE 20 8 21 h.ko DOSS EtDO RF 10 HOM & ERGE * S TRASS E 5 _ _n . _{n n n} ~ ί, ΰ, Ιϋϋί) 1452115 ρ im 52 ns 4-) Control according to one or more of claims 1 to 3 characterized by a Vorx'ichtung for adjusting the roller, the first employment for ¹ the initial !! setting dex ^v relative position between the rollers and a second employment zux ¹ implementation dex ¹ respective 'application' in the position of the ¹ roller. BATH 9 ^ 09 8 : \ 1 / U7 '} 0 -.- "-" "Uncle -