DE1685627A1 - Method and device for regulating the sliver thickness of fiber slivers - Google Patents

Description

Dipi.-phy ·. OSKAR KONIG Pata & attorney 1685627

_ DentaebBaak AG Blattgut

Τ · ΜθΒ: (0711) SgIg 638561 Kmto No. 12/06 7M

Ttkgnmm: Koenigpat 7000 8TUTTGART-W, KlttpfehftreJ 6 vPMtodMck 8tgt 84 * 19

Pat 1566 I)

C ~ 5

May 11, 1967.

Zinser text ilmaachliien. Company with limited liability Eberabaeh / File

Method and device for regulation the sliver thickness of fiber slivers.

109837/0368 B ^ ^oBlSi

£ at 1566 D

c ~ "5 - 2 -

11 May 1967

The invention relates to a method of regulating the sliver thickness of fiber slivers subjected to warping, torsion-like slivers or earden slivers, measured at de «Ale sliver thickness and with a target value of the sliver thickness rerglionen and from the pre-alignment signal that corresponds to the control deviation, a control signal eu Control of the 7ersiugehlShe is derived, and a device for performing the method. The invention looks here in particular on; the regulation of the sliver thickness of spinning machines, gates, cardan or draw frames, one subject to dyeing, without being restricted to this.

Control devices of this type are known per se have a controller whose input determines the control deviation is aufdrüokbar and at the output of a control signal for Control of the Vexiughehöhe 'on the compensation of strip thickness fluctuations occurs. The usual controllers are used here, which, due to their design, not only check for deviations from the mean value of the Bandstixka from the target value, but also to the inevitable do the mean of the Band strength »address occasional commuting band accidents. As a result, controller one causes a constant shift in the mean value of the strip thickness even if this mean value is sufficiently accurate if the target value exceeds

10 * 137/0388

BATH

Pat 1566 J>

c - 5 - 5 -

May 11, 196?

agrees. A particular difficulty with the known regulators lies in the fact that the tape thickness fluctuations are unequal Wavelengths do not have an exact transition function the controlled system is present, whereby an exact setting of the Controller to a transition function is not possible. This increases the restlessness of the control device even further. Overall, the result is that the known regulating devices are those present when regulating the strip thickness. Conditions cannot fully take into account and moreover are related and flig connected and also a high 7-. as a result of the unavoidable belt irregularities of the regulator and the ropes it controls, how servomotors, gears, etc. are adjusted almost continuously

The invention is therefore based on the object To create a method of the type mentioned, which avoids the Hachteile of the known control devices. It is too a Siel of the invention, a particularly simple method of the type mentioned su create * the one particularly favorable Adjustment of the tape thickness is made possible and by means of simple, and reliable control devices can be carried out.

To solve this problem, in a method the one

> ■■ - ■ "-

The aforementioned type is provided according to the invention that an adjustment of the VersnigshÖhe is prevented as long as the cone

- "■" ... ■■ = ■■ -. - ■ '· 4 -

nutrnm

Pat 1566 B

<j - ■ 5. - 4 -

11. «al 1967

softening a certain! ! igen Ifeße. does not exceed, while with excess A control signal is sent when the solerance range is exceeded the tape thickness is generated approximately to the target value.

This method is characterized by the fact that a regulation is only carried out if there is a real deviation of the mean values of the strip thickness from the nominal value. In contrast, no shelf intervention will take place "as long as the pivoting of the Bandstlirke zufallebedingte fluctuations around the So'll value of Bandatärke · GemlkB this Torfahren is therefore a particular provided on the properties of the laeerbandee set Toleranabereich question" where normally the inevitable Bandstärkeschwankttngen around the The mean value of the strip thickness which corresponds approximately to the nominal value, fluctuations in the strip thickness that lie within this generally relatively narrow Tolöranberölohes cause no control intervention. On the other hand, if the ligamentousness of the band

In a preferred further development of the method o strengthen the foleran range, then each such exceeding of an excess limit of the Toltjrana range is checked _for whether it can still be faulty or excessive. If it is excessive, this becomes a real deviation of the mean the band strength of the target value

10 ««? / 036β _{BADÖRlelNÄL}

displayed and a control intervention carried out.

It is preferably provided that in the wake everyone Test that indicates an excessively accidental change in tape thickness, the amount of delay by means of the control signal is quickly changed to a certain amount and the next adjustment of the Terzughtthe only takes place when a new control signal occurs. The change in the height of the pull can be advantageous here be made in such a way that the mean value of the belt thickness can be achieved by a single adjustment of the tension height, i.e. H. by * a few adjusting steps, approximately to the target value aurüok «* is carried out, which is made possible by the fact that a random fluctuation in the strip thickness is only detected when there is an inert deviation of the mean value from the target value being, the OrUBe of this deviation for a given Setting the relevant tolerance limit of the tolerance range always has approximately the same value, so that with each If the tolerance limit in question is exceeded by accident, the mean value of the sliver thickness is always given by an equal value Adjusting step can be returned approximately to the target value canoe"

In a further development of the novel method, provision is made for a renewed adjustment to be made after every adjustment of the sequence Adjustment of the height of the train is prevented for a certain period of time, whereby an additional · .0 * oh has a beneficial effect ·

1MtU / 03M

BATH

Fat 1566 D.

0-5 - 6 -

May 11, 1967

Calming of the control process can be achieved

Checking whether the tolerance range has been exceeded random or over-random can be based on any suitable

Wise rorgenoimnen, Ms are generally particularly favorable

it.

has / calibrated »also check whether an accidental exceeding of the! Coleranss range lasts for a certain period of time. This test can, for example, be carried out in such a way that At the beginning of each exceedance of a solarance limit of the tolerance range, a self-retaining device starts up, which is switched off and on again when this solerance limit is not reached their beginning is set to · Tails here the The time-keeping device is not generally reset within a certain period of time, it generates a control signal Teratosition of the Tersugshuhe. Sine more particularly sweekaäSige Checking for a possible exceeding of the tolerance range is in accordance with the invention characterized in that the supply height is always created when the soleransbereloh in swel points in time that have a certain lateral The distance is widened, tied to the bottom, the ret · side point being determined by the beginning of the crossing of the solaran range. In a further preferred method, the size of the exceeding of the tolerance range is integrated over time for the test and if a certain integration value is reached in this case, the level of excess is determined

-7-108137 / 0318

1566 J) '■ - 7 -

May 11, 1967

disfigured, weave! preferably the integration value on the side is saved decaying or well oh every return of the System deviation is deleted in the tolerance range

In a further development of the method, there may be an advantage, provided no, that the fluctuations in the strip thickness expressed in the Hegel deviation are attenuated. Care should be taken to ensure that this attenuation is made in such a way that each exceeding of the tolerance range corresponds to a slight over-high change in the mean value of the band strength, so that with each such upper pipe a control signal can be generated to verify the level of the traffic. "

In the case of Spinnerel door preparation lines, for which the novel process with Yortell can be provided, a large number of single fiber bands, for example six to ten single fiber bands, are often added to the empty band, the band length of which is regulated Sliver changes by a certain, known amount. It is true that such a hinge breakage is also detected and corrected by the test procedure described in the door for excessive exceedance of the tolerance range, but it can

1011) 7/436 * '

i 1566 B

ό - «5 - a *

11 »lbil 1967

nit Vöi-teU pre-actedcm no, uess them

an Ifentltaichea oiuio ieda SeitrereSgjtirang, wiö öle äi «! test, with ßlcli would bring« «» is regulated. * JitΗίϊίί.1Λΐ € ί {iilt if} r üie change üttr tsittloron Bendniürlfe, dio «I lioi dsx ^ * a BelielnJiy soldi en -Bsndtiinitsliea eiiiHtellt «The iaHJiHifeluiiij a 25; indl) ruclieo can liiorbei with gate part so tcjj \ ieiMeu. _f änB in (iof a Banöfjrticliefl or dex * Beolneti Banfltonaliaff a single Stetassilgnal is sucked, ß opened _f that Morduroli the Iflttel

nngef & Iiv a «X den SolS-lfoz ?! aurttcli ^ efUltrt 3> Joii "i ij (ignalw6ii" t laii liierlini a beßtlmmtee fair ". ₌ Bend always tine lfüH / it!" it <s (iröße _r ö "SSIO through a barren the 'fieliöbung eiiieß Banäliruclios Tßruroachi-e

&& r band strength for a certain from egg HiHieugesetKtee yaßerlrand eiela ungofiihr is the same *

Ei «β mmälnBäfligß; RegeiTorricIittmg scur IXircliiüliruug dee Y # i ^T fftte <ißs ist daänioli f / eifftiniifuicluiet »defi de» föJßriiHistflicrßulnfeitwiißXißcirUer svti * Irs-euguu ^ τοπ.

The oil © t! l) eritohreiiunß ton Kugeordtiaten Solcrans « mlnäemiimmi eines TeloranBljereiclie» ijniieigcni, and a sequence of a 1! liör £ ufiUl! .gen tJh (* tifßhröiittP ^: one

e.iü Regloröussßßög-ß «ftrtretenden Bt'etior ^ i.gnolsG«; ui? steering

BATH ORIGINAL

1885627

Bat 1566 D

c-5 - 9 -

May 11, 1967

the TereugshShe, has. Preference is given to £ at least one tolerance limit auoh of random fluctuations in the control deviation, which is not on a "permanent" Deviation of the mean value of the band thickness can be exceeded. According to the invention, the controller has a test device for testing the relevant test signals from the sensor that has exceeded the solar energy level Random or over-random size of the tape thickness fluctuations. on

Further features of the invention are in the following. Description, the claims and the drawing described or illustrated, it being understood that the invention can be realized in numerous other embodiments.

The drawing shows the execution of the invention shown. Bs show:

71g · 1 in a schematic representation a regulating section

which has a novel control device,

yig. 2 - 6 J a diagram of the explanation of the invention

gea & ben procedure,

? ig. 7 is a block diagram of a preferred embodiment

form of a new type of controller, as it is in the control device shown in Fig. 1 with Gate part can be provided,

. - 10 -

101117/0311

Pat 1566 D

1i7 May 1967 - 10

Fig. 8 is a block diagram of a preferred execution

form of the controller shown in Fig. 7 »

Pig. 9 and 10 variants of details of the controller shown in flg.

In the drawing, corresponding calibration old ropes same reference ζ are provided calibrate.

β * The regulating section shown in Fig. 1 shyly and not true to the scale has a drafting system with three pairs of rollers 10, 11 and 12, the lower valleys of which can be driven by means of a drive motor 13 via adjustable gears H, 15 and 16. This drafting system is used for the provision of a “sliver 9 consisting of a large number of single fiber slivers drawn from cans 17-20 and each one contact _{orphan pair, such as 21 f} continuous single fiber slivers, which after it is fed” passes through a Mefibandtriohter 22, a pair of calender whales 23 and a turntable 24 then in a

™ jug. S5 is stored. Regulleratreoken this type are known per se, so && B this will not erlftutert · Rtgulierstrecke in other Slnselheiten. In the event of a bandbxuoh of the ugeordnettn Bineelfaeerbandefl, the contact welaen 21 conduct a band monitor 27 via the action line 26 an electrical signal Bu. The measuring tape funnel 22 compresses the phony sliver and serves at the same time to feel the tape strength. Suitable measuring tape funnels are also known and therefore

10III7 / 03SI

BATH ORIGINAL

Bat 1566

11th time

him ' alcht Näitsr explains *! tee

ts: i eager will tllie * die - VirXEusgBXinie 28 elneic flolier 29 pushed on, den feimet? üöoIi © in Sall «* 1fert * der Faeei? Bandetäslce .doB deä Heeb & nAtrl elite? 22 continuous ■ \ * he ε own fiber Tjanöefs vöa gIiigib eliißiellbaron 8oll ~ value

what -? ön £ efli HeBtei) d ~ iriolitcr

of

des ^ ase ^ bßiiÖstKrlte, ffieae

wisö elfiera controller 5t on (p <li? ltclEt «about controller""31st _f and)! taiti'sls'des Bairf

35 a servomotor 54 around the table, it is connected to the anagebilAetes gear 14 in the manner of the file 2E _f 29 · 50 »51 utsd 34 one

Regulation d © ^ B & n & stäirfe © um die llegu «dusolilfii! I; eBden iföse ^ iMBäea 9« U4e © e Hegeluitg tot / Dedication, di® Qleieb ^ Slglteeit & m / wm; mgmi & u la iem Slime m f9V% ^ ss6 ^ & _s ύ &&& l @ mltttuv® ! © mdatärtce in die Eamie 25 eislsufenden fs ^ @ Eli © mö @ ß ttb @ s? äio Mriße dieeee FaseKbandes sngefgte de® as, a & m So-li-30 ein ^ eetelltett 3oH ~ value niitsp ^ iclit * Dießd tung is © o developed8 &&& öle die BerndötMrfte nacli dew Terfateea regulates _v whereby all parts of the presented «

Bat 1566 D

e - 5 - 12 -

11 MRi 1967

provided control device with the exception of the Heglere 31 from Regulating line can already be of a known type *

First of all, the novel process is based on the Fig. 2-6 illustrated diagrams explained in more detail.

In these diagrams, 35 means the target value of the su regulating sliver thickness of the sliver, 36 the mean value of the effective fiber ana strength, 37 the control deviation of the sliver strength, 38 an upper foleransgrenee and 3d a lower Tolerance gronee of an inner xolerance range enclosed by these two Soleransgrensen. The target value is here in the middle of the foleransberelehes. .

First, let us use the basics of this procedure

discussed by FIG. The Toleransgreneen 38 and 39 are like this is set so that if the mean value 36 roughly corresponds to the nominal value 35, the unavoidable fluctuations in the sliver thickness caused by an accident do not or only rarely and at the moment beyond the Xoleransgrensen 33 and 39 « If, on the other hand, the mean value 36 of the target value 35 deviates from the setpoint value 35, it is possible to change, as indicated by 40 and 41, the value of the difference Buneh "end more heavily and slowly" over one "the Soleransgrensen" here the Xoleransgrense 3d, as it is with 42 to 44 is the case. Each time the foleranegreneen 38 and 39 are exceeded, a check is made to determine whether they are still due to the case can or is overdue. At 44 this test showed that

- 13 -108137/0368

Pat 1566 D

c-5 - 15 -

11th shark 1967

the exceeding of the tolerance limit of 38 days is due, prior to the amount of the delay by an amount of. The control signals supplied to the controller 51 are distributed in such a way that the mean value of the sliver thickness is fed back into the lower value of the nominal value 55. In this Ausführungsbeiepiel this is done erfindungsgeaäß characterized in that a one-time introduction of the Hittelwertes the strip thickness by an inheriting for that Pas and / or the Xoleransbereich respective constant amount, preferably van 60-80 J * of the Toleranebereloh 38, 59 corresponding Bandstärketolerans in the illustrated Direction takes place, whereby this Terstellachrltt is always the same size with every accidental exceeding of the Solerangrenee, whereby a particularly simple, precise and quick regulation is achieved. If the mean value 36 drifts away from the target value in the opposite direction, the adjustment of the delay height takes place in the opposite sense, so that the mean value of the Faaerbandrtärko would be traced back to the series of the target value 35 “.

In Pig, 3 iet 1η Diagram eur Brlieterung de TerfahrenJ • to compensate for actions or remedies aiii ·· band · Bruohes occurring band chain change is shown, Bai 45 entered a Bandbruoh one of those sucked out of the cans 17 - 20 Binselfastrbande * on, by the d «r mean value 36 to dan at 46 the indicated value decreased. & · * Bandwtohter 27 »eldat

- 14 -

t Otttf i ο η t

Pat 1566 D

0-5 - 14 -

May 11, 1967

this band break before it is summed up in the signal of the sensor 22 Print comes out and the controller 31 causes a continuous Adjustment of the default rate up to the mean value 36 approximately has reached the target value 35 again. This procedure can can also be carried out according to the invention without a belt monitor, by adding a further outer, lower tolerance limit 4-8 and preferably also a further upper, outer tolerance limit 48 ' are provided which are outside the solerance limits 38, 39. If the solerance limit 43 is undershot (or if the solver response 48 * is exceeded), the bowler 31 generates level Time delay a control signal to adjust the delay · » increase until the mean value 36 is approximately the target value 35 has reached again. The tolerance limit 48 is selected so that that it is surely exceeded in the event of a belt break will. The tolerance limit 48 »will be exceeded with certainty when repairing a broken strap ·

In Pig. 4 is eohematiech a variant of the in fig. 2 illustrated method in which the fluctuations of the Hegel deviation 37 are attenuated in such a way that only relatively minor fluctuations in the mean value 36 appear. Such a certificate is in many cases an advantage « heft * The attenuation eo is advantageous, as shown strong, that each exceeding one of the soleran values 38, 39 her «Ureaoli · only in a lasting Ibweiahung de» Mean value of the Bfindätärkesefewanfetragsn can have. In diwte

BATH ORIGINAL

Pat 1566 D

c ■ - 5 - 15 -

11 Shark 1967

In this case, provision can be made with advantage that "in the wake of each exceeding of the foleranisgrense 38 or 39, the versesugah is immediately advanced by a fixed amount without delay, by which the mean value is approximately reduced to the target value. " The change taking place in one stage the amount of delay can be a little smaller than when checking the excess of the Soleränsgrezieen for randomness or overdue.

In Pig. 5 is a preferred test method from an echeisical point of view

to check if the Soleran range has been excessively exceeded "In the wake of every exceedance of a tolerance range" here the Foleran Range 38 at 50 or 51, after a certain "vorsngov / siae adjustable period of time, for example a period ^ of 0.75 0ec, a check is made, Whether the tolerance range is still exceeded »This test is carried out in the diagram according to FIG. 5 for the exceedance 50 at the point 52 and for the exceedance 51 at the point 53 · At 52 the test was negative, whereupon Y the Yersugshuho is not changed . At 53 the test was positive, whereupon the union height is changed in such a way that the emigrated mean value of the jfaserba & dsig & alee is approximately brought back to the target value.

6 is a further preferred test method for checking for an accidental exceeding of the Tolerance range explained. In this method, at

- 16 109117/0388

Pat 1566 D

c - 1

May 11, 1967 - 16 -

each time the tolerance range is exceeded, the time integral of the magnitude of this excess is formed. Each integral value corresponds approximately to a hatched area 54 _f 54 '. When the integrated value reaches a certain size, it has been exceeded by accident, so that the amount of delay is changed by a certain amount which is so great that

_ the mean value of the tape thickness changes by an amount which is hit in such a way that the mean value is roughly equal to Target value is fed back. This amount can generally be 60 - 80 # of the tolerance range with the gate part and also for a specific sliver and / or a specific tolerance range for any excessively accidental exceedance that is detected of the tolerance range must be the same. In the method explained with reference to FIG. 6, it goes without saying that The time integral of exceeding the tolerance limit can be understood to mean any integral value that has an approximate

§) res hatred for this integral value is * For example, it can be useful each exceedance in a proportional charge one Capacitor are converted, whereby the capacitor is continuously discharged in a decaying manner over a high-ohmic resistor will. In this way, the exam is only one of a kind Exceeding, like 54 or 54 ', but also a more common one Exceeding is also taken as a basis, with each deviation being social is stored decaying and so in the state of charge of the

108837/0388

BATH

Pat 1566 D

σ «1 - 17 -

11, Shark 1967

Capacitor, the weaker it is, the longer you do it Occurrence. Since a suitable memory switch * gene or probe circuits are known per se in measurement technology, they will not be explained in more detail.

As mentioned, the method can preferably be carried out so that following a positive test, i.e. if the check that the Xoloranz was exceeded by accident «· limit has shown the amount of default unclean solid Amount is adjusted · Here, it has proven to be useful after each such distribution of the amount of delay, to turn in a period of time of a certain length, for example 2-3 seconds, during which an adjustment of the amount of delay is prevented will · Preferably, during this period of time, a check is carried out for an over-random exceedance of the Xolerans range prevented

Zn the Pig. 7-10 are preferred embodiments of FIG Controllers, which are suitable for the implementation of the new method, shown achematisoh in the form of block diagrams · The structure of the individual blocks can vary from of known design or lies in the ability of Durohschnittafaoh ~ rnannes, so that it is not shown in more detail.

The controller shown in Jig.7 sohematisoh has a Sittgang 60 for the system deviation, a xolerance egg " transmitter 62, a test device 59 and a control signal pre-

10 ·· 37 / 03β &

.-ie.-

Pat 1566 D

0-1 ~ 18 -

May 11, 1967

direction 58 to · The output 57 of the control signal device is connected to the servomotor 34- (Fig. 1). The tolerant

As a result of the ringing, for example, a number of threshold value relays corresponding to the tolerance limits can be provided, each of which supplies a signal to the test device 59 as long as the relevant tolerance limit is exceeded. This signal can correspond to the control deviation at the gate or in menchra cases also a signal of constant magnitude that persists during the duration of the solar power line, or a signal that corresponds to the difference: between the control deviation and the distance C. & r ToIo-? tolerance limit of the target value. The test device 59 checks the solver overflow signal, as soon as it escapes a random or over-random overstepping of the tolerance limit in question and, if the solver overflow is exceeded, it generates a signal that can be printed on the control signal Torrlohtung 58 and generates a control signal from the specific deviation of the relevant bandwidth -Vert is regulated. Furthermore, the desire has a band breakage transmitter 56 which, if a band breakage occurs, bypassing the test device 59, generates a control signal to regulate the deviation of the band thickness from the target value caused by the band breakage. Berorsngt the Bandbruoh-öebtr 56 can also be designed so that through

109117/0368

BATH ORIGINAL

Pat 1566 D - 19 -

O * - 1 May 11, 1967

lim naoh fixing a ribbon bridge alt Torteil aanuall a Signal of the control signal device 58 can be printed, by which the duroh veruraaohte the elimination of the Bandbruohee Change of the tape thickness is reversed. In 7ig.8 is a related circuit of the regulator shown in Fig.7 shown in a block diagram in Jörn.

The controller shown in Jig »8 has an input 60 * sun AnaohluB to the rule authorization giver 29 (Iig.1). That Level deviation a signal is normally transmitted via a * · Blind switch 61 has a solenoid tube sensor 62 for the Soleransgxensen 38, 39 pressed on, at the deasen rise Then a test signal occurs as long as the control deviation is above the Soleransgrense 38. A test signal then occurs at the output 64 as long as the control deviation is below the polar response 39. Inside the Soleranzb »» Relohes values of the control deviation do not generate an output. The test signal is proportional to that during the Exceeding the Soleransgrensen 38. 39 present control deviation, the height of the Xoleransgrensen 38 and 39 is means Locking torque 95 and 96 adjustable. Each output line 63, 64 has a line 65, 66 below a tent device 67 below, measuring an adjustable period of time. This Timing device is displayed when a test signal occurs on one Lines 63 or 64 sua measure the set tent span

- 20 -

Püt 1961 B - 20 *

11.HBi 1967

At the end of this period of time, an output pulse on line 68, which USB stages 69 and 70 is activated, is activated and generated at the end of this period. Output 63 is also printed on UHB stage 6 and output 64 on ÜND stage 70. Every time the two inputs of a UHB stage are energized, output 71 baw occurs. 72 of the relevant stage on a signal which excites a separate time relay 73 b «w · 74 of the control signaling device 58 (Fig. 7). The timing relay 73 scales a switch 75 as a result of each excitation and the timing relay 74 a switch 76 vtthxend a certain period of time _v so that the servomotor la Oefi, as a result of each excitation of the timing relay 73 or 74 carries out a teretellsotarltt of constant magnitudes. The switch 76 switches on the setting motor 34 (see also FIG. 1) for the division of the amount of draft in one direction and the switch 79 for adjusting the draft height in the opposite direction. As a result of each occurrence of an impulse on the lines 71 or 72, the level of observation is set above a certain amount, which is so taken that the migrated mean value of the actual value of the band strength is brought approximately to the target value Horttck the outputs 71, 72 is also connected via rectifier another time relay 77 connected _t the in Oefolfe each astray narrowing represent outputs 71, 72 a switch 61 for a specific, before * coll ~ as adjustable period Opened, whereby for this Since *

BATH

Bat 1566 D - 21

1967

long time oh implementation of the adjustment of the Tereugehuhe one renewed adjustment of the fitting height is prevented

If there is a * damped control deviation (7ig.4) is used »can« * - * & «- 6 with advantage between the »control deviation sensor 29

and the input 60 * of the controller, an attenuator, for example a smoothing capacitor, can be interposed, such as at 79 indicated by dash-dotted lines 1st · It understands οich, dad the damping element may also be connected to the sensor 22 and the RegelaDweiehungggeber 29 arranged his canoe. Provided that the damping is done so that on the review can be guaranteed for accidental exceeding of the tolerance range, the tent generator is set to the time period "zero" installed · ο that the relays 73 · 74 each time it is exceeded the arranged Toleransgrense are excited immediately.

Perner is normally included in the lusgingeleltung 64 · 1η switch 80 which is switched off at one of the belt guard 27 reported Bsndbruoh (see also flg. 1) is switched to the position shown in dashed lines Test signal without checking for over-susceptible exceedance dar loleransgreme directly a timing relay 81, which the Sohalter 76 * ur adjustment of the warping height for a certain » Duration is switched on, which is made so that the Stellao

22nd

10ÖS37 / 0368

Bit 1566 2> - 22 -

11th shark 1967

gate 34 doe gear 14 so far adjusted that about the Gown value of the bending strength is traced back to the target value, ! te the change in the Hlttel value of the band strength, which through a bandbruoh enters, is about the same size 1st and Ipt confesses, in this way a band break will be extremely rewarding quickly settled, for example within 6 seconds, d »h«, dafi the switch 76 in this numerical example in the wake of everyone Excitation of the tent relay 81 fttr 6 seo is closed. if If the timing relay 81 drops out, a pulse is given to the timing relay 77 via the line 82, whereby the switch 61 is opened for a certain period of time, as already described.

In a Tariocte of the VIq. 8 can be seen instead of parts 80 and 81 to regulate a belt break, since the servomotor 34 can be driven at two lower speeds »τοη which the lower speed is switched on by means of the switch 76» if there is no belt break, while a belt break is every time a belt is closed As a result of an excitation of the relay 74, the higher speed is maintained for the same period of time as for the lower speed. The two actuating speeds are here again such that, as a result of each excitation of the relay 74, the supply height is established by the servomotor 34 to such an extent that the mean value of the band

• 23 -

BAD ORIQlNAL

109837/036

fat 1566 D - 23 -

1967

strengthened uügenfähr is led to the target value.

The control device shown in 21g.1 can be varied in different ways. For example, Xaderuag the Verfeugshtthe instead of the speed change of the AAsgangswaleenpaares 10 the speed of the Bingangswelsen ^ aa- * res 12 can be changed. In this case you only have to exchange the branches 14 and 16

In place of a Ke0bend triobter 22, sensors of any other suitable known type can be provided. Also in many cases it is often advantageous not to use the bandette strength in Durohaufriohtung the fiber end * behind the »Auagangswalsenpaar, but at another suitable place, for example in the Versugsfelfi swlsdton the W & Xie & ga & s & ii 10 and 11 see below ■ eat. Suitable antennae and Fulilerano £ & iäSii £ g @ & this branch are also known per se and are therefore not explained in more detail. Furthermore, all pairs of whales can eat together instead of one Drivable drive motors 13 separate drives & motors can be provided, or a separate drive motor can also be provided for the company 14 only.

In the case of the variants of the controller shown in FIG. 8 shown in FIGS. 9 and 10, the bandwheel 27 with the arranged contact orphan pair 21 (FIG. 1) and the switch 80 (FIG. 8) can be omitted. For this purpose, as shown in FIG. 9, a threshold value relay BO (the functional

- 24 -

Pat 1566 B «24 -

May 11, 1967

moderately a rope of the solverance exceedance sensor is), which is excited when the test signal appearing on the line 64 indicates that the loleranegrenee 48 (Pig.3) is exceeded. This threshold value relay 85 leaves the switch 86 in this Pail immediately without a time delay, whereupon the Zeltrela is 81 ^f , which is the timing relay 81 in Pig. 7, is energized and the switch 76 closes for such a period of time that the resulting change in the amount of warping causes the mean value of the band thickness to be approximately returned to the nominal value. In this variant, the other cables of the regulator can be designed similar or the same as in Fig. B.

Palis it is desired can, according to Pig. 10 also from the output line 63 of the bowler shown in FIG. refuse lenwert-Relals 85 ', because «one by eliminating a Bandbruohes sensed exceeding of the upper threshold value 48 * (Pig.3) and in the wake of each such exceeding by bypassing the timer 67 and the relay a switch 90 for the excitation of a time relay 91 eohlleöt, whereby the relay 91 closes the Sohalter 75 for a certain, precautionary adjustable period of time, which is thus taken, that the resulting adjustment of the Tersuge- ' the mean value of the band strength is returned approximately to the target value after a band break has been rectified. Parallel see below

108t97 / 0368 ««> OR *** ^2S ~

Bit 1566 3> - 25 -

May 11, 1967

the switch 90 is also a manually operable one Switch 92 is provided, which is operated by the operator concerned fenden Aegulierstraoke -activated after fixing a Banäbruohes All the more independently of the effect of the threshold value "relay 85", the tersugehUhe can become immediately after the tape breakage has been rectified to the club altitude Borüokittftlhren set before the Bandbruoh. Palis the operator the actuation of the holder 92 forgets, the threshold value relay 85 * causes the required Adjustment of the Tereugahöh * eelbatt & tig

- 26 -

Claims (1)

fat 1566 D c - 5 - 26 - 11.! February 1967 Claims 1. Procedure, but regulation of the sliver thickness of a constricted fiber sliver, preferably of stretch sliver or card sliver, where the sliver thickness has been enjoyed and nit a target value of the band strength compared and from the Verglelohssignal, which corresponds to the control deviation »on Control signal but control of the delay rate is derived, This is indicated by the fact that an adjustment of the amount of delay is prevented as long as the system deviation occurs certain soler acceptability in an overly accidental HaQe does not exceed »while if the Toleranabereicb.ee is exceeded, a control signal for adjustment of the supply level on the basis of the mean values Band strength is generated approximately at the target value. 2. The method NaOH to claim 1, characterized in that at least one T oleransgrense of foleranzbereiches is so closely adjusted that these Soleransgrense surückeufUhrende fluctuations in the control deviation may be exceeded by at sufällige fluctuations in the tape strong and dad each exceeding this Toleranigrene · it is checked whether is sloppy or excessive. - 27 - Pat 1566 D ο - 5 - 27 - May 11, 1967 3. The method according to spoke 1 or 2, characterized in that »that the fluctuations in the strip thickness coming in the control deviation sua expression are attenuated · 4. The method according to claim 3, characterized gekennseichnet that in the system deviation to be able to express eh Sobtfanken the band strength are so attenuated and the Töleranbereich or the Xoleramsgrenae is set so that any excess of the tolerance range bsw. the tolerance limit of an excessive change in the mean value or the building strength. 5. The method according to any one of the preceding claims »thereby marked that the Yereugshöhe for a determined fiber tape and / or a specific Soleransbereioh im Following each control signal is changed by a constant amount and the next adjustment of the pitching height only takes place when a new control signal occurs. 6. The method according to any one of the preceding claims »thereby characterized that after each adjustment of the Voruugshöhe a renewed adjustment of the Tereugshöhe is prevented for a certain period of time. one of the previous ones 7. The method according to / Anaprücke ^ characterized in that mlttelo den Steueroignolea ti .ie Vermigshöhe ura an amount - 28 109t37 / 0368 Jat 1566 D c - 5 - 28 - 11th time 1967 is adjusted, which is a change in the mean value of the Band strength around 60 - 80 pounds of the ToleranÄbereiohes JLa (/ »/ Has followed. 8. The method according to any one of the preceding claims, characterized characterized in that a control signal for adjusting the amount of draft is generated when an excess is exceeded Toleransgrense lasts for a certain period of time 9. The method according to any one of the preceding claims, characterized characterized in that a control signal is generated when a lolerans limit in sswel points in time that a certain have a time interval, exceeded 1st, where the first point in time when an exceedance begins the tolerance limit is determined. 10. The method according to any one of claims 1-7, characterized in that the size of the exceeding of a Soleranzgrenfie temporarily integrated and a certain integration value a control signal is eraeugt when a certain integration value is reached, the integration value preferably decreasing laterally is saved. 11. The method according to any one of the preceding claims, characterized in that in the wake of a belt break and / or - 29 -109137/0368 Pat 1566 D O- 5. - 29 - May 11, 1967 the repair of a broken band of a single aserbandee, that together with: at least one further Binzelfiberband forms the ssu warping fiber band »the YerzugshUhe without lateral etherification sur equalization of the through the The change in the mean value of the belt thickness caused by the belt break is changed. 12. The method according to claim 11 »· characterized in that dafl in A control signal is generated in the wake of a band break » by means of which the Veraugehöhe by a certain amount is changed, which is so hit that the mean value the bend strength is traced back to the approximate target will. 13. The method according to claim 11 or 12, characterized in that an inner that at least one outside /. Xoleranzbereiohes lying Solerance limit is provided, and when it is exceeded, which occurs as a result of a band break or the removal of a band break, the control signal is generated. 14. The method naoh one of the preceding claims, characterized in that the target value is in the middle of the tolerance range. "30 ~ Pat 1566 B ο - 5 - 30 - May 11, 1967 ■ 'Spin egg request · - 15. Control device for the volume control tone reitungs machines, preferably Streoken or cards, with a controller, the input of which the control deviation can be pressed and at the output of which a control signal for controlling the amount of delay occurs to compensate for fluctuations in tape thickness, £ ur carrying out the method according to one of the preceding claims, characterized in that the regulator has a Xoleranssühersohreitungs «- Geher (62; 81; 85, 85 ') sttr generation of test signals, the crossing of legendary Soleransgrensen of the Xoleransberelohes an * own, and a la entourage of one If an oleransgrense excitable control signal gate device (58) is exceeded over the suction of an aa Controller output occurring control event eur Steuerimg the VersugshShe, has. 16. Control device according to claim 15, characterized in that a test device (55) for testing at least one Test signals of the Soleransüberohreitungsgebers on incidental or over-accidental size is provided. 17. Control device according to Claim 16, characterized thereby, dafl dl · Prüffriohtung a timer (67) sua Abeessen • in an adjustable period in the wake of the occurrence · one the overflowing of a foleransgrens des Toleran * - 109I37 / 03B8 - 31 - BATHROOM Bat 1566 D ο - 5 -Jill · Mal 1967 range indicating output signal of the exceeding tolerance sensor, and that the test device to generate one of the control signal devices on flow » output signal is formed when the tolerance overrun sensor reports that the tolerance limit has been exceeded at the end of the period measured by the timer. 18, control device according to one of claims 15-17 »thereby characterized in that a responsive to a tape break 'tape monitor (27) is provided, which occurs when a Bandbruohes energized the control device to generate a control event occurring without a time delay. 19 · Control device according to one of claims 15-18, characterized marked that the tolerance over tube transmitter on the exceeding of at least three different tolerance limits, namely two tolerance limits delimiting an inner tolerance range and at least one outside the inner tolerance range lying outer Tolerance limit, responding means (62, 81} 85, 85 '). 2o. Control device according to claim 19, characterized in that, that the Xoleranzüberohreitungsgeber on at least one - 32 -109837/0368 Pat 1566 D 0-5 «- 32 - May 11, 1967 an outer tolerance limit responsive adjustable Has threshold value transmitter (81, 85 »85 '), the assigned tolerance limit of which only occurs in the wake of a tape breakage or when a tape breakage is repaired Band strength changes is exceeded, and that this Threshold value transmitter in the wake of each exceeding its tolerance limit while bypassing the test device Control signal device directly for suction on Control signal excited. 21. Control device according to one of claims 15 - 20 ₉ dadnroh characterized in that a band switch (92) is provided »in the wake of which actuation the control signal device is rarely excitable generation of a control signal, the signal value of which is preferably made, defl that which occurs when a band break occurs Change of the mean value of the tape thickness is reversed 22. Control device according to one of the claims 15-21, characterized in that the signal value of a control signal caused by the test device of the SteuexjrOrriolitaog is taken so that by means of the control signals the mean value of the bend strength by approximately 60-80 % of the Soleranebereioh monitored by the test device corresponding tape thickness tolerance is changed. - 33 -109137/0368 168562? I »t 1566 D. 1i7 May 1967 - 3 - 23. Control device na whether one of the preceding claims, characterized by dad means sun DBapfen the Fluctuations in the control deviation, preventive means 2 to dampen the formation of the control deviation provided actual value of the area strength fluctuations aind. 24 · Control device according to claim 25 »characterized in that the that / regulator sur Sreeugung a Steursignalea in the wake Every exceeding of a Soleranegrezuse is formed by the damped control deviation. 109837/0368