SE501287C2

SE501287C2 - Method for determining access for a web processed in printing press and unrolled from roll - involves determining measurement value corresp. to length of web part unrolled when it rotates pref. through 360 deg.

Info

Publication number: SE501287C2
Application number: SE9301724A
Authority: SE
Inventors: Sven Arne Roland Stroemberg; Bo Stefan Soederberg
Original assignee: Sven Arne Roland Stroemberg; Bo Stefan Soederberg
Priority date: 1993-05-19
Filing date: 1993-05-19
Publication date: 1995-01-09
Also published as: SE9301724L; SE9301724D0

Abstract

A measurement value is determined corresp. to the length of a part of the web (4) unrolled from the roller (3) when it rotates through a specific number of degrees, pref. 360 deg., and the determined measurement value is used to determine how much of the web (4) rolled onto the roller (3) is issued for a specific process, e.g. printing. A signal representing the received measurement value corresp. to the length of the part of the web (4) and a signal corresp. to the number of degrees which the roller (3) rotates when the web part is unrolled are determined. These signals are processed to obtain information as to how much of the web rolled onto the roller is issued for processing in the printing press (1). A signal representing the layer thickness of the web on the roller and a signal representing the width of the web on the roller are fed for processing together with the original signals to obtain the information.

Description

501 287 Syftet med föreliggande uppfinning har varit att elimi- nera detta problem och åstadkomma ett förfarande som gör det väsentligt enklare att åstadkomma den efter- strävade uppgiften. The object of the present invention has been to eliminate this problem and to provide a method which makes it considerably easier to achieve the desired task.

En uppfinningsenlig anordning för genomförande av för- farandet att fastställa àtgángen av banan uppvisar i huvudsak de kännetecken som framgàr av efterföljande patentkrav 8.An apparatus according to the invention for carrying out the method of determining the access of the track has essentially the features which appear from the appended claims 8.

Genom att man vid det uppfinningsenliga förfarandet även använder sig av signaler representerande sàväl skikttjock- leken som bredden pà banan vars àtgàng skall bestämmas, blir det enkelt att exempelvis fastställa förluster i kg bana.By using the method according to the invention also of signals representing both the layer thickness and the width of the web whose access is to be determined, it becomes easy to determine, for example, losses in kg web.

Uppfinningen skall nedan förklaras närmare med hänvis- ning till den bifogade ritningen som schematiskt visar en tryckpress vid vilken det uppfinningsenliga förfa- randet och den uppfinningsenliga anordningen kommer till användning.The invention will be explained in more detail below with reference to the accompanying drawing, which schematically shows a printing press in which the method according to the invention and the device according to the invention are used.

Den schematiskt visade tryckpressen l uppvisar bl.a. ett avrullningsställ 2 för rullar 3 uppvisande en upp- rullad bana 4 av papper och/eller annat material. Denna bana 4 är avsedd att löpa genom tryckpressen 1 för bear- betning av densamma, t.ex. tryckning i ett eller flera tryckverk 5, stansning i en stansningsstation 6 o.s.v..The schematically shown printing press 1 shows i.a. a unrolling rack 2 for rollers 3 having a rolled-up web 4 of paper and / or other material. This web 4 is intended to run through the printing press 1 for processing the same, e.g. printing in one or more printing plants 5, punching in a punching station 6, etc.

Den färdigbearbetade banan 4 rullas upp pà ett upprull- ningsställ 2a och när en rulle 7 med önskad färdig pro- dukt erhàllits tages denna ut från upprullningsstället 2a för vidarebearbetning, lagring eller leverans. Åtgàngen av banan 4, som rullas av rullen 3, fastställes i en dataanläggning 8. Till denna tillföres signal rep- resenterande den aktuella pappersrullens 3 bredd och detta kan exempelvis ske via en manuellt manövrerbar 501 287 givare 9. Dessutom tillföres dataanläggningen 8 signal representerande tjockleken pà pappret som är upprullat pà den aktuella rullen 3, vilket exempelvis kan ske via en manuellt manövrerbar givare 10. Om rullen 3 har en kärna ll kan dataanläggningen 8 även tillföras sig- nal representerande ytterdiametern (eller eventuellt radien) pä denna kärna ll och denna signalgivning kan exempelvis ske med hjälp av en manuellt manövrerbar givare 12.The finished web 4 is rolled up on a winding stand 2a and when a roll 7 with the desired finished product has been obtained, this is taken out of the winding point 2a for further processing, storage or delivery. The access of the web 4, which is rolled by the roller 3, is determined in a data system 8. To this is added a signal representing the width of the current paper roll 3 and this can be done, for example, via a manually operable 501 287 sensor 9. In addition, the data system 8 is signaled on the paper which is wound on the current roll 3, which can for instance take place via a manually operable sensor 10. If the roll 3 has a core ll, the data system 8 can also be supplied with a signal representing the outer diameter (or possibly the radius) of this core ll and this signaling can be done, for example, by means of a manually operable sensor 12.

Till dataanläggningen 8 kan också tillföras signal av- seende start och stopp för en viss bearbetning av banan 4 i tryckpressen l, t.ex. när en viss tryckorder eller stansorder börjar och slutar. Denna signalgivning kan ske via en manuellt manövrerbar givare 13. Till data- anläggningen 8 kan även tillföras signaler represente- rande tid för och/eller längd pà pappersspill i tryck- pressen och/eller andra faktorer som påverkar pappers- banan i tryckpressen 1 och denna signalgivning kan ske manuellt med hjälp av en givare 14 eller flera sådana.A signal can also be applied to the data system 8 regarding start and stop for a certain processing of the web 4 in the printing press 1, e.g. when a particular print order or stop order begins and ends. This signaling can take place via a manually operable sensor 13. Signals representing the time and / or length of paper waste in the printing press and / or other factors affecting the paper web in the printing press 1 and this can also be supplied to the data system 8. signaling can be done manually by means of a sensor 14 or more such.

Den ovannämnda signalgivningen till dataanläggningen 8 kan ske momentant under tryckpressens drift, d.v.s. när banan 4 löper genom densamma.The above-mentioned signaling to the data system 8 can take place momentarily during the operation of the printing press, i.e. when path 4 runs through it.

För att fastställa àtgàngen pà pappersbanan 4, som rul- las av rullen 3 och bringas löpa genom tryckpressen 1, är en givare 14 anordnad för att avkänna längden pá den del av pappersbanan 4 som rullas av rullen 3 då denna roterar ett bestämt antal grader, företrädesvis 360°.To determine the access to the paper web 4, which is rolled by the roller 3 and run through the printing press 1, a sensor 14 is arranged to sense the length of the part of the paper web 4 which is rolled by the roller 3 as it rotates a certain number of degrees. preferably 360 °.

Det bestämda antalet grader, som rullen 3 roterar, av- läses med hjälp av en givare 15 och en mätvärdessignal representerande gradantalet som trumman roterar till- föres dataanläggningen 8. Den av givaren 14 till data- anläggningen 8 tillförda mätvärdessignalen kan repre- senteras av ett antal pulser i ett pulstàg med hög upp- lösning (t.ex. cirka 5-6000 pulser per 360° rotation på 501 287 rullen 3) för erhållande av god mätnoggrannhet.The determined number of degrees, which the roller 3 rotates, is read by means of a sensor 15 and a measured value signal representing the number of degrees which the drum rotates is supplied to the data system 8. The measured value signal supplied by the sensor 14 to the data system 8 can be represented by a number of pulses in a pulse train with high resolution (eg approximately 5-6000 pulses per 360 ° rotation on 501 287 roll 3) to obtain good measurement accuracy.

Genom att i dataanläggningen 8 behandla angiven data i form av mätvärdessignal och annan eller andra för framtagning av viss uppgift nödvändig signal eller nödvändiga signaler, kan t.ex. följande uppgifter tagas fram: 1) uppgift om hur mycket pappersrullen 3 inledningsvis väger och/eller hur läng den inledningsvis är; 2) uppgift om pappersrullens 3 vikt- och/eller längd- minskning vid en viss bearbetning i tryckpressen (t.ex. för en tryckningsorder eller stansorder); 3) uppgift om pappersrullens 3 kvarvarande vikt och/ /eller kvarvarande längd när olika typer av bearbet- ning av pappersbanan 4 i tryckpressen l skett; 4) uppgift om pappersrullens 3 kvarvarande vikt och/ /eller längd när arbetet i tryckpressen är slutfört och rullen 7 skall tagas ut för lagring; 5) uppgift om hur stor vikt pà och/eller längd av pap- persbanan 4 som förbrukats när rullen 3 är slut; 6) uppgift om hur stor del av pappersrullens 3 vikt och/eller längd som blivit "spill" (antingen av olika delar av banan och/eller totalt); 7) uppgift om vikten och/eller längden pá lagerskadad del av rullen 3.By processing in the data system 8 the specified data in the form of a measured value signal and another or other signal necessary or necessary signals for producing a certain task, e.g. the following information is provided: 1) information on how much the roll of paper 3 initially weighs and / or how long it is initially; 2) information on the weight and / or length reduction of the paper roll 3 during a certain processing in the printing press (eg for a printing order or punching order); 3) information on the remaining weight and / or remaining length of the paper roll 3 when different types of processing of the paper web 4 in the printing press 1 have taken place; 4) information on the remaining weight and / or length of the paper roll 3 when the work in the printing press has been completed and the roll 7 is to be taken out for storage; 5) information on how much weight and / or length of the paper web 4 has been consumed when the roll 3 is finished; 6) information on how much of the weight and / or length of the paper roll 3 has been "spilled" (either by different parts of the web and / or in total); 7) information on the weight and / or length of the bearing-damaged part of the roller 3.

Dessa och andra uppgifter kan räknas fram momentant dà tryckpressen 1 är i drift. När fastställt mätvärde är lagrat i dataanläggningen 8 kan erforderliga uppgifter tagas ut ur denna vid vilken tidpunkt som helst - exem- 501 287 pelvis också när tryckpressen inte längre är i drift.These and other tasks can be calculated momentarily when the printing press 1 is in operation. When the determined measured value is stored in the data system 8, the required data can be taken out of it at any time - for example even when the printing press is no longer in operation.

Man kan också vid behov inledningsvis fastställla om en på förhand erhàllen uppgift angáende rullens vikt och/eller längd är riktig eller inte - t.ex. om rullen är märkt med 500 kg kan man via dataanläggningen 8 kontrollera om detta är riktigt eller om ingàngsvär- det behöver justeras.It is also possible, if necessary, to initially determine whether an information obtained in advance regarding the weight and / or length of the roll is correct or not - e.g. if the roller is marked with 500 kg, you can check via the data system 8 whether this is correct or if the input value needs to be adjusted.

De erhàllna uppgifterna kan överföras till en display 16 och/eller till en dataanläggning 17 för lagerhàll- ning.The information obtained can be transferred to a display 16 and / or to a data facility 17 for warehousing.

Givaren 14 är företrädesvis placerad i tryckpressen 1 närmast avrullningsstället 2 eller i närheten av detta.The sensor 14 is preferably placed in the printing press 1 closest to or near the unrolling point 2.

Vidare kan givaren 14 vara/uppvisa/samverka med ett mäthjul 18 som företrädesvis drives av tryckpressen l.Furthermore, the sensor 14 can be / exhibit / cooperate with a measuring wheel 18 which is preferably driven by the printing press 1.

Mäthjulet 18 kan exempelvis drivas av en lämplig pro- cessenhet i tryckpressen 1. Som drivande processenhet kan en stansningsanordning pà stansningsstationen 6 eller ett tryckverk 5 användas och överföringen av driv- kraften till mäthjulet 18 kan ske via ett schematiskt visat kugghjulsystem 19.The measuring wheel 18 can for instance be driven by a suitable process unit in the printing press 1. As a driving process unit a punching device on the punching station 6 or a printing plant 5 can be used and the transmission of the driving force to the measuring wheel 18 can take place via a schematically shown gear system 19.

Uppfinningen är inte begränsad till ovanstående exem- pel utan den kan variera inom ramen för efterföljande patentkrav. Sålunda kan banan 4 vara av annat material än papper - t.ex. plast, signaler representerande andra uppgifter än de angivna kan matas in i och/eller tagas ut ur dataanläggningen 8 med hjälp av mätvärdessignalen, givaren 14 kan vara av annan typ än ett mäthjul 18 och om ett sådant användes behöver detta inte vara drivet av tryckpressen 1 utan det kan drivas av banan 4.The invention is not limited to the above examples but may vary within the scope of the appended claims. Thus, the web 4 can be of a material other than paper - e.g. plastic, signals representing data other than those specified can be fed into and / or taken out of the data system 8 by means of the measured value signal, the sensor 14 may be of a type other than a measuring wheel 18 and if one is used this need not be driven by the printing press 1 but it can be driven by the track 4.

Claims

501,287 Patent claims:

1. A method for determining the action of a web (4) which is continuously machined in a printing press (1) and which is rolled by a roller (3), characterized in that a measured value is determined corresponding to the length of such a part of the web ( 4) which is rolled by the roller (3) when it rotates a certain number of degrees, preferably 360 °, that the determined measured value is used to determine how much of the web (4) wound on the roller (3) has been used for a certain processing , e.g. printing, by the web (4) in the printing press (1), that signal representing obtained measured value corresponding to the length of said part of the web (4) and signal corresponding to the number of degrees that the roller (3) rotates when said part of the web (4) is rolled off the roller (3), it is determined that these signals are processed in order to obtain information on how much of the web (4) wound on the roller (3) has been used for a certain processing in the printing press (1) and that the signal representing the layer thickness of the web (4) present on the roll (3) and the signal representing the width of the web (4) present on the roll (3) is supplied for processing together with other established signals to obtain said information.

Method according to claim 1, characterized in that a signal representing the outer diameter of a core (ll) present in the roll is supplied for processing together with other established signals for obtaining said task.

Method according to claim 1 or 2, characterized in that the obtained measured value corresponding to the length of said part of the web (4) is used to determine the instantaneous weight and / or length reduction of the roller (3) during the printing press (1). ) operation. 501 287

Method according to any one of the preceding claims, characterized in that the obtained measured value corresponding to the length of said part of the web (4) is used for adjusting an input value by determining if there is any information regarding the weight of the roll (3), to be used, and / or if the existing information on the length of the web (4) on said roller (3) is correct.

Method according to one of the preceding claims, characterized in that a signal corresponding to the obtained measured value corresponding to the length of said part of the path (4) is supplied to a data system (8), that a signal or signals representing different machining torque, e.g. printing order, of the web (4) in the printing press (1) and / or signal or signals representing total consumption of the web (4) in the printing press (1), and / or signal or signals representing spillage of the web (4) during its processing in the printing press (1), and that information is taken from the computer system (8) regarding weight loss and / or length reduction of the web (4) present on the roll (3) for the processing torque and / or total consumption and / or waste through to process the signals in question in order to obtain the said information.

Method according to one of the preceding claims, characterized in that the determined measured value is represented by pulses in a pulse train, preferably with a high resolution such as approximately 5-6000 pulses per rotational revolution on the roller (3).

Method according to one of the preceding claims, characterized in that a data system (17) is stored for storage by means of the information obtained with the aid of the measured value concerning the weight or length reduction of the roller (3). 501 287

Device for carrying out the method for determining the access of a web (4) which is continuously machined in a printing press (1) and which is rolled by a roller (3), characterized in that a sensor (14) is arranged to determining a measured value corresponding to the length of such a part of the web (4) which rolls off the roller (3) and to supply a signal representing the determined measured value to a data system (8), that a sensor (15) is arranged to determine the number degrees which the roller (3) has rotated when said part of the web (4) is rolled by the roller (3) and to supply a signal representing a determined degree number to the data system (8), that the data system (8) is arranged to process signal representing said measured value and signal representing said degree number together with signals representing layer thickness and width of the web (4) for producing information regarding the weight and / or length reduction of the web (4) of the roller (3) due to a part of the web (4) rolled by roll a (3), that the sensor (14) for determining said measured value preferably has a measuring wheel (18) which determines the measured value, that the measuring wheel (18) is preferably driven by a process unit (5 or 6), e.g. . a punching device or a printing unit, in the printing press (1), that the measuring wheel (18) is preferably arranged in the vicinity of the roller (3), and that the sensor (14) for determining said measured value is furthermore preferably arranged to output a signal to the data system. (8) in the form of pulses whose number represents the current measured value.