Safety of machinery - Safety requirements for the design and construction of paper making and finishing machines - Part 21: Coating machines

This European Standard applies to coating machines applying the wet process for off-line coating of base paper including unwind unit, coating units, drying section, flotation and infrared dryer, smoothing unit, integrated calender, measuring device, reel-up, integrated sheeter, drives and control system and applies together with
EN 1034-1:2000+A1:2010. It deals with all significant hazards, hazardous situations and hazard events relevant to coating machines, when used as intended and under the conditions foreseen by the manufacturer (see Clause 4).
This document does not deal with pressure hazards in steam-heated drying cylinders.
NOTE    Directive 97/23/EC gives essential safety requirements for equipment under pressure.
This document does not apply to:
-   paper and board making machines,
-   equipment for the treatment of coating substances,
-   coating machines using solvent-based colours,
-   coating machines applying silicon, adhesives or resin onto the paper web,
-   printing and varnishing machines,
-   integrated conveyors and cranes designed for transporting reels/shells (reel spools) and for machine maintenance,
-   integrated fire extinguishing equipment.
This document is not applicable to coating machines which are manufactured before the date of publication as an EN.

Sicherheit von Maschinen - Sicherheitstechnische Anforderungen an Konstruktion und Bau von Maschinen der Papierherstellung und Ausrüstung - Teil 21: Streichmaschinen

Diese Europäische Norm gilt für Streichmaschinen, die off-line zum Streichen von Rohpapieren im Nassverfahren bestimmt sind, einschließlich Abrollung, Auftragswerke, Trockenpartie, Schwebe- und Infrarot-Trockner, Glättwerk, integriertem Kalander, Messeinrichtung, integriertem Querschneider, Aufrollung, Antriebe und Steuerung, und ist in Verbindung mit EN 1034-1:2000+A1:2010 anzuwenden. Sie behandelt alle signifikanten Gefährdungen, Gefährdungssituationen und Gefährdungsereignisse für Streichmaschinen, die bestimmungsgemäß und unter den vom Hersteller vorzusehenden Bedingungen verwendet werden (siehe Abschnitt 4).
Nicht behandelt werden druckbedingte Gefährdungen in dampfbeheizten Trockenzylindern.
ANMERKUNG    Die grundlegenden Sicherheitsanforderungen für Druckgeräte sind in der Druckgeräte-Richtlinie 97/23/EG enthalten.
Diese Norm gilt nicht für:
-   Papier- und Kartonmaschinen,
-   Anlagen zur Aufbereitung der Streichfarben,
-   Streichmaschinen zum Auftragen lösemittelhaltiger Farben,
-   Beschichtungsmaschinen, mit denen Silikon, Klebstoffe oder Harze auf eine Papierbahn aufgetragen werden,
-   Druckmaschinen und Lackiermaschinen,
-   integrierte Förderer und Krane, die zum Transport von Rollen/Tambouren und zur Wartung eingesetzt werden,
-   integrierte Feuerlöscheinrichtungen.
Diese Norm gilt nicht für Streichmaschinen, die vor dem Datum der Veröffentlichung als europäische Norm hergestellt wurden.

Sécurité de machines - Prescriptions de sécurité pour la conception et la construction de machines de fabrication et de finition du papier — Partie 21: Coucheuses

La présente Norme européenne s'applique aux coucheuses appliquant le procédé par voie humide pour le
couchage hors ligne d'un papier de base, comprenant une unité de déroulage, des unités de couchage, une
sécherie, un sécheur à flottation et à infrarouge, une unité de lissage, une calandre intégrée, un appareil de
mesure, une enrouleuse, une coupeuse intégrée, des entraînements et un système de commande, et
s'applique conjointement à l'EN 1034-1:2000+A1:2010. Elle traite de tous les phénomènes dangereux,
situations et évènements dangereux significatifs spécifiques aux coucheuses, lorsqu'elles sont utilisées
normalement et dans les conditions prévues par le constructeur (voir Article 4).
Le présent document ne traite pas des phénomènes dangereux engendrés par la pression dans les cylindres
sécheurs chauffés à la vapeur.
NOTE La Directive 97/23/CE donne les exigences essentielles de sécurité pour les équipements sous pression.
Le présent document ne s'applique pas aux :
⎯ machines de fabrication du papier et du carton ;
⎯ équipements de traitement des substances de couchage ;
⎯ coucheuses utilisant des couleurs à base de solvant ;
⎯ coucheuses appliquant du silicone, des adhésifs ou de la résine sur la feuille continue de papier ;
⎯ machines à imprimer et à laquer ;
⎯ transporteurs intégrés et ponts roulants conçus pour transporter les bobines/viroles (mandrins de bobine
mère) et pour la maintenance de la machine ;
⎯ équipements intégrés d'extinction d'incendie.
Le présent document ne s'applique pas aux coucheuses fabriquées avant la date de publication de ce
document par le CEN.

Varnost strojev - Varnostne zahteve za načrtovanje in konstrukcijo strojev in opreme za izdelavo papirja - 21. del: Prekrivalni stroji

Ta evropski standard se uporablja za prekrivalne stroje, ki uporabljajo mokri postopek za »off-line« prekrivanje osnovnega papirja vključno z enoto za navijanje, enotami za prekrivanje, sušilnim delom, enoto za stiskanje v zvitke, enoto za premaz, flotacijo in infrardečim sušilcem, enoto za izravnavanje, integriranim stiskalcem traku, merilno napravo, kolutom, integriranim razrezovalnikom, sistemom gonil in krmiljenja ter se uporablja s standardom EN 1034-1:2000+A1:2010. Opisuje večja tveganja, nevarne situacije in nevarne dogodke v zvezi s prekrivalnimi stroji, kadar se uporabljajo v skladu z njihovim namenom in pod pogoji, ki jih določa proizvajalec. Ta dokument ne obravnava nevarnosti tlaka v parno ogrevanih sušilnih cilindrih. Ta dokument se ne uporablja za: – stroje za izdelovanje papirja in kartona, – opremo za obdelavo snovi za prekrivanje, – prekrivalne stroje, ki uporabljajo barve na osnovi topil, – prekrivalne stroje za nanos silicija, lepil ali smole na papirno mrežo, – tiskarske in lakirne stroje, – integrirane tekoče trakove in žerjave za transport kolutov/ovojev (navijanje koluta) in vzdrževanje stroja,– integrirano opremo za gašenje požarov. Ta dokument se ne uporablja za prekrivalne stroje, ki so bili izdelani, preden je bil objavljen kot standard EN.

General Information

Status
Published
Publication Date
21-Aug-2012
Current Stage
9093 - Decision to confirm - Review Enquiry
Due Date
04-Mar-2018
Completion Date
09-Aug-2018

Buy Standard

Standard
EN 1034-21:2012
English language
47 pages
sale 10% off
Preview
sale 10% off
Preview

e-Library read for
1 day

Standards Content (sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Sicherheit von Maschinen - Sicherheitstechnische Anforderungen an Konstruktion und Bau von Maschinen der Papierherstellung und Ausrüstung - Teil 21: StreichmaschinenSécurité des machines - Prescriptions de sécurité pour la conception et la construction de machines de fabrication et de finition du papier — Partie 21: CoucheusesSafety of machinery - Safety requirements for the design and construction of paper making and finishing machines - Part 21: Coating machines85.100Oprema za papirno industrijoEquipment for the paper industry21.020Characteristics and design of machines, apparatus, equipment13.110Varnost strojevSafety of machineryICS:Ta slovenski standard je istoveten z:EN 1034-21:2012SIST EN 1034-21:2012en,de01-oktober-2012SIST EN 1034-21:2012SLOVENSKI

STANDARD
SIST EN 1034-21:2012
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 1034-21
August 2012 ICS 85.100 English Version

Safety of machinery - Safety requirements for the design and construction of paper making and finishing machines - Part 21: Coating machines

Sécurité des machines - Prescriptions de sécurité pour la conception et la construction de machines de fabrication et de finition du papier - Partie 21: Coucheuses

Sicherheit von Maschinen - Sicherheitstechnische Anforderungen an Konstruktion und Bau von Maschinen der Papierherstellung und Ausrüstung - Teil 21: Streichmaschinen This European Standard was approved by CEN on 13 July 2012.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,

B-1000 Brussels © 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1034-21:2012: ESIST EN 1034-21:2012

EN 1034-21:2012 (E) 2 Contents Page Foreword ...................................................................................................................................................................... 4Introduction ................................................................................................................................................................. 61Scope .............................................................................................................................................................. 72Normative references .................................................................................................................................... 73Terms and definitions ................................................................................................................................... 94List of significant hazards .......................................................................................................................... 145Safety requirements and/or measures ...................................................................................................... 165.1General .......................................................................................................................................................... 165.2Workplaces, means of access, walkways, passageways ........................................................................ 165.3Start-up warning device .............................................................................................................................. 175.4Emergency stop device and braking system ............................................................................................ 175.5Isolation and energy dissipation, prevention of unexpected start-up ................................................... 185.6Electric drive system and power transmission elements........................................................................ 195.7Control system and actuators .................................................................................................................... 195.8Electrical equipment .................................................................................................................................... 215.9Hydraulic equipment ................................................................................................................................... 215.10Pneumatic equipment ................................................................................................................................. 225.11Equipment and measures for make-ready, maintenance and lubrication ............................................. 225.12Machine equipment for cleaning and removal of broke .......................................................................... 225.13Noise ............................................................................................................................................................. 235.14Hot surfaces ................................................................................................................................................. 245.15Integrated lighting........................................................................................................................................ 245.16Ergonomic principles .................................................................................................................................. 245.17Chemical substances .................................................................................................................................. 245.18Fire ................................................................................................................................................................ 255.19Rolls, pull stacks, outer rolls ...................................................................................................................... 255.20Water jet knives, severing knives, rotary knives ...................................................................................... 265.21Machine-specific tools ................................................................................................................................ 275.22Drying cylinders, steam and condensate systems .................................................................................. 275.23Whole body access to confined spaces .................................................................................................... 275.24Threading devices ....................................................................................................................................... 285.25Unwind .......................................................................................................................................................... 295.26Coating units ................................................................................................................................................ 315.27Smoothing and drying unit with high gloss polished cylinder/chrome cylinder (used in the cast coating method) ................................................................................................................................... 325.28Moistening device ........................................................................................................................................ 325.29Pull stacks .................................................................................................................................................... 32SIST EN 1034-21:2012

EN 1034-21:2012 (E) 3 5.30Flotation dryers ............................................................................................................................................ 325.31Infrared dryers ............................................................................................................................................. 335.32Drying sections with steam-heated cylinders .......................................................................................... 345.33Calenders ..................................................................................................................................................... 355.34Conditioning ................................................................................................................................................. 355.35Measuring device ......................................................................................................................................... 355.36Drum reeler ................................................................................................................................................... 365.37Roll handling equipment in the reel up section ....................................................................................... 395.38Shaftless reeler ............................................................................................................................................ 395.39Reeler with winding shaft ........................................................................................................................... 405.40Integrated pulpers and their loading facilities .......................................................................................... 415.41Integrated sheeter ........................................................................................................................................ 416Verification of safety requirements and/or measures ............................................................................. 417Information for use ...................................................................................................................................... 427.1General information ..................................................................................................................................... 427.2Instruction handbook .................................................................................................................................. 427.3Marking ......................................................................................................................................................... 44Annex ZA (informative)

Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC ................................................................................................ 46Bibliography .............................................................................................................................................................. 47 Figures

Figure 1 — Example of a coating machine ................................................................................................................. 10Figure 2 — Example of a coating machine with four coating sections ....................................................................... 11Figure 3 — Example of a S-type pull group ................................................................................................................ 12Figure 4 — Safety distance ≥ 2,70 m on drum reeler ................................................................................................. 36Figure 5 — Safety distance ≥ 500 mm to prevent crushing by reels behind the drum reeler .................................... 38 Tables Table 1 — List of significant hazards .......................................................................................................................... 14Table 2 — List of safety functions, Performance Level and Safety Integrity Level specified in this standard ........... 20Table 3 — Methods used to verify safety requirements and/or measures ................................................................. 42 SIST EN 1034-21:2012

EN 1034-21:2012 (E) 4 Foreword This document (EN 1034-21:2012) has been prepared by Technical Committee CEN/TC 198 “Printing and Paper Machinery - Safety”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by February 2013, and conflicting national standards shall be withdrawn at the latest by February 2013. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. EN 1034, Safety of machinery — Safety requirements for the design and construction of paper making and finishing machines consists of the following parts:  Part 1: Common requirements  Part 2: Barking drums  Part 3: Rereelers and winders  Part 4: Pulpers and their loading facilities  Part 5: Sheeters  Part 6: Calender  Part 7: Chests  Part 8: Refining plants  Part 13: Machines for de-wiring bales and units  Part 14: Reel splitter  Part 16: Paper and board making machines  Part 17: Tissue making machines  Part 21: Coating machines (the present document)  Part 22: Wood grinders  Part 26: Roll packaging machines  Part 27: Roll handling systems

According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, SIST EN 1034-21:2012

EN 1034-21:2012 (E) 5 Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. SIST EN 1034-21:2012

EN 1034-21:2012 (E) 6 Introduction This document is a type C standard as stated in EN ISO 12100:2010. The machinery concerned and the extent to which hazards, hazardous situations and events are covered are indicated in the scope of this document. For machines that have been designed and built according to the provisions of this C standard, the following stipulation applies: where provisions of this type C standard are different from those which are stated in type A or B standards or from provisions made in EN 1034-1:2000+A1:2010, the provisions of this type C standard take precedence over the provisions of the other standards. SIST EN 1034-21:2012

EN 1034-21:2012 (E) 7

1 Scope This European Standard applies to coating machines applying the wet process for off-line coating of base paper including unwind unit, coating units, drying section, flotation and infrared dryer, smoothing unit, integrated calender, measuring device, reel-up, integrated sheeter, drives and control system and applies together with

EN 1034-1:2000+A1:2010. It deals with all significant hazards, hazardous situations and hazard events relevant to coating machines, when used as intended and under the conditions foreseen by the manufacturer (see Clause 4).

This document does not deal with pressure hazards in steam-heated drying cylinders.

NOTE

Directive 97/23/EC gives essential safety requirements for equipment under pressure. This document does not apply to:  paper and board making machines,  equipment for the treatment of coating substances,  coating machines using solvent-based colours,  coating machines applying silicon, adhesives or resin onto the paper web,  printing and varnishing machines,  integrated conveyors and cranes designed for transporting reels/shells (reel spools) and for machine maintenance,  integrated fire extinguishing equipment.

This document is not applicable to coating machines which are manufactured before the date of publication as an EN. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 349:1993+A1:2008, Safety of machinery — Minimum gaps to avoid crushing of parts of the human body EN 547-1:1996+A1:2008, Safety of machinery — Human body measurements — Part 1: Principles for determining the dimensions required for openings for whole body access into machinery EN 574:1996+A1:2008, Safety of machinery — Two-hand control devices — Functional aspects — Principles for design EN 614-1:2006+A1:2009, Safety of machinery — Ergonomic design principles — Part 1: Terminology and general principles EN 614-2:2000+A1:2008, Safety of machinery — Ergonomic design principles — Part 2: Interaction between the design of machinery and work tasks EN 626-1:1994+A1:2008, Safety of machinery — Reduction of risks to health from hazardous substances emitted by machinery — Part 1: Principles and specifications for machinery manufacturers EN 746-1:1997+A1:2009, Industrial thermoprocessing equipment — Part 1: Common safety requirements for industrial thermoprocessing equipment SIST EN 1034-21:2012

EN 1034-21:2012 (E) 8 EN 894-1:1997+A1:2008, Safety of machinery — Ergonomic requirements for the design of displays and control actuators — Part 1: General principles for human interactions with displays and control actuators EN 894-2:1997+A1:2008, Safety of machinery — Ergonomic requirements for the design of displays and control actuators — Part 2: Displays EN 953:1997+A1:2009, Safety of machinery — Guards — General requirements for the design and construction of fixed and movable guards EN 1034-1:2000+A1:2010, Safety of machinery — Safety requirements for the design and construction of paper making and finishing machines — Part 1: Common requirements EN 1034-4:2005+A1:2009, Safety of machinery — Safety requirements for the design and construction of paper making and finishing machines — Part 4: Pulpers and their loading facilities EN 1034-5:2005+A1:2009, Safety of machinery — Safety requirements for the design and construction of paper making and finishing machines — Part 5: Sheeters EN 1034-6:2005+A1:2009, Safety of machinery — Safety requirements for the design and construction of paper making and finishing machines — Part 6: Calenders EN 1037:1995+A1:2008, Safety of machinery — Prevention of unexpected start-up EN 1088:1995+A2:2008, Safety of machinery — Interlocking devices associated with guards — Principles for design and selection EN 1760-1:1997+A1:2009, Safety of machinery — Pressure sensitive protective devices — Part 1: General principles for the design and testing of pressure sensitive mats and pressure sensitive floors EN 1760-2:2001+A1:2009, Safety of machinery — Pressure sensitive protective devices — Part 2: General principles for the design and testing of pressure sensitive edges and pressure sensitive bars EN 1837:1999+A1:2009, Safety of machinery — Integral lighting of machines EN 12198-1:2000+A1:2008, Safety of machinery — Assessment and reduction of risks arising from radiation emitted by machinery — Part 1: General principles EN 13023:2003+A1:2010, Noise measurement methods for printing, paper converting, paper making machines and auxiliary equipment — Accuracy grades 2 and 3 EN 13478:2001+A1:2008, Safety of machinery — Fire prevention and protection EN 60204-1:2006, Safety of machinery — Electrical equipment of machines — Part 1: General requirements

(IEC 60204-1:2005, modified) EN 60204-11:2000, Safety of machinery — Electrical equipment of machines — Part 11: Requirements for HV equipment for voltages above 1 000 V a.c. or 1 500 V d.c. and not exceeding 36 kV (IEC 60204-11:2000) EN 61000-6-2:2005, Electromagnetic compatibility (EMC) — Part 6-2: Generic standards — Immunity for industrial environments (IEC 61000-6-2:2005) EN 61496-1:2004, Safety of machinery — Electrosensitive protective equipment — Part 1: General requirements and tests (IEC 61496-1:2004, modified) EN 61511-1:2004, Functional safety — Safety instrumented systems for the process industry sector — Part 1: Framework, definitions, system, hardware and software requirements (IEC 61511-1:2003 + Corrigendum 2004) EN 61511-2:2004, Functional safety — Safety instrumented systems for the process industry sector — Part 2: Guidelines for the application of IEC 61511-1 (IEC 61511-2:2003) EN 61800-3:2004, Adjustable speed electrical power drive systems — Part 3: EMC requirements and specific test methods (IEC 61800-3:2004) SIST EN 1034-21:2012

EN 1034-21:2012 (E) 9 EN 62061:2005, Safety of machinery — Functional safety of safety-related electrical, electronic and programmable electronic control systems (IEC 62061:2005) EN ISO 4413:2010, Hydraulic fluid power — General rules and safety requirements for systems and their components (ISO 4413:2010) EN ISO 4414:2010, Pneumatic fluid power — General rules and safety requirements for systems and their components (ISO 4414:2010) EN ISO 12100:2010, Safety of machinery — General principles for design — Risk assessment and risk reduction (ISO 12100:2010) EN ISO 13732-1:2008, Ergonomics of the thermal environment — Methods for the assessment of human responses to contact with surfaces — Part 1: Hot surfaces (ISO 13732-1:2006) EN ISO 13849-1:2008, Safety of machinery — Safety-related parts of control systems — Part 1: General principles for design (ISO 13849-1:2006) EN ISO 13849-2:2008, Safety of machinery — Safety-related parts of control systems — Part 2: Validation

(ISO 13849-2:2003) EN ISO 13850:2008, Safety of machinery — Emergency stop — Principles for design (ISO 13850:2006) EN ISO 13855:2010, Safety of machinery — Positioning of safeguards with respect to the approach speeds of parts of the human body (ISO 13855:2010) EN ISO 13857:2008, Safety of machinery — Safety distances to prevent hazard zones being reached by upper and lower limbs (ISO 13857:2008) EN ISO 14122-1:2001, Safety of machinery — Permanent means of access to machinery — Part 1: Choice of fixed means of access between two levels (ISO 14122-1:2001) EN ISO 14122-2:2001, Safety of machinery — Permanent means of access to machinery — Part 2: Working platforms and walkways (ISO 14122-2:2001) EN ISO 14122-3:2001, Safety of machinery — Permanent means of access to machinery — Part 3: Stairs, stepladders and guard-rails (ISO 14122-3:2001) EN ISO 14122-4:2004, Safety of machinery — Permanent means of access to machinery — Part 4: Fixed ladders (ISO 14122-4:2004) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 1034-1:2000+A1:2010,

EN ISO 12100:2010 and the following definitions apply. 3.1 coating machine machine for coating paper web which consists of several machine sections/functional units including the unwinding section, coating units, infrared dryers, moistening device, flotation dryers, drying section with steam-heated cylinders, pull rolls, calenders, measuring device and reel up section including drive and control systems Note 1 to entry: In Figures 1 and 2 examples of coating machines are shown. SIST EN 1034-21:2012

EN 1034-21:2012 (E) 10

Key 1 unwind 2 coating unit 3 infrared dryer 4 flotation dryer 5 drying section with steam-heated cylinders 6 S-type pull group 7 measuring device 8 reel up section 9 rolls 10 shell (reel spool)

Figure 1 — Example of a coating machine SIST EN 1034-21:2012
EN 1034-21:2012 (E) 11

Key 1 unwind 2 coating section 3 reel up section Figure 2 — Example of a coating machine with four coating sections 3.2 unwind machine section for unwinding the paper web from the paper reel wound onto a shell (reel spool), a winding shaft or a core 3.2.1 unwind with winding shaft unit unwinding the paper reel from a shell (reel spool) or a winding shaft

3.2.2 shaftless unwind unit unwinding the paper reel from a core made of metal or cardboard

Note 1 to entry: Chucking cones are inserted on both sides of the core in order to secure the reel. 3.2.3 unwind with winding mandrel unwind equipped with a mandrel for taking up the reel with core

3.3 pull stacks pair of driven rolls forming a nip for pulling the paper web SIST EN 1034-21:2012

EN 1034-21:2012 (E) 12 3.4 S-type pull groups assembly of adjacent rolls which counter-rotate and pull the paper web Note 1 to entry: Figure 3 shows an example of an S-type pull group.

Key 1 paper web 2 roll 3 roll Figure 3 — Example of a S-type pull group 3.5 coating unit

unit for applying the coating substances consisting of water, pigments, binding material, starch and fillers onto the paper web by a variety of techniques, such as roll coating, blade coating, air-knife coating or cast-coating

Note 1 to entry: Included in the coating unit are applicator rolls, jet applicators, color pan, spray nozzles and metering devices, such as blades or rods. 3.6 cast-coating coating method, where a high gloss polished cylinder (chrome cylinder) is used for smoothing the web surface 3.7 moistening device combination of rolls for moistening the paper web 3.8 infrared dryer gas heated or electrically heated unit for drying the paper web by infrared radiation

3.9 flotation dryer convection dryer where a system of jets is used to create a stream of hot air along the paper web keeping the moving web in flotation and drying it 3.10 drying section with steam-heated cylinders machine section for drying the paper web by means of steam-heated cylinders designed as pressure vessels

3.11 conditioning unit equipment for optimising paper properties, for example by guiding the paper web through a set of chill rolls or an air-conditioned chamber with air temperature and humidity control

SIST EN 1034-21:2012

EN 1034-21:2012 (E) 13 3.12 calenders machine section for smoothing the paper by means of cold or hot rolls mounted in pairs

Note 1 to entry: Hot rolls may contribute to optimise quality results. 3.13 measuring unit equipment for gauging the basis weight, moisture content and other qualities of the paper web

Note 1 to entry: The measuring instrument (scanner) is mounted on a frame across the paper web and automatically travels along the entire paper web width in both directions. 3.14 reel up section machine section where the coated and dried paper web is wound to form a reel 3.14.1 drum reeler reel up unit where the paper web is wound onto a shell (reel spool) which is in contact with and driven by a supporting drum 3.14.2 shaftless reeler reel up unit where the paper web is wound onto a core which is held in place by chucking cones on both sides of the core 3.14.3 reeler with winding mandrel reel up unit equipped with a driven mandrel for taking up the reel with core held in position by pneumatic chucking 3.14.4 reeler with winding shaft reel up unit where the web is wound by a driven winding shaft 3.14.5 "open" reel section reel up section without automatic roll handling; the parent rolls are handled with a separate crane 3.14.6 "closed" reel section

reel up section with automatic roll handling equipment in the vicinity of the reeler 3.15 integrated sheeter machine section for cutting the finished paper web into sheets in cross direction

Note 1 to entry: This includes equipment for pulling and cutting the web as well as gathering and stacking of sheets. 3.16 web threading device device designed to feed the web end into the machine or machine section and/or to pull it through 3.16.1 rope-type threading (“kite” threading) web threading device where the web is threaded by means of a driven rope or belt (threading rope) running in the machine

Note 1 to entry: The paper web end is folded to form a narrow tail or kite which is glued together and connected to a loose belt or rope (kite belt). The other end of the kite belt is connected to the threading rope which pulls the web end forward and threads it through the machine. At the end of the threading operation, the kite belt is separated from the threading rope and the paper web. SIST EN 1034-21:2012

EN 1034-21:2012 (E) 14 3.16.2 threading rope/belt driven rope or belt guided by pulleys which is part of the permanently installed threading device 3.16.3 kite belt loose belt or rope used for connecting the end of the paper web to the threading rope or belt

Note 1 to entry: The kite belt is firmly connected to a triangular connecting piece, made of for example plastic. The end of the paper web is glued to this connecting piece. 3.16.4 chain-type threading device threading device using synchronously revolving chains on both tending and drive sides

Note 1 to entry: For threading, a rod equalling in length the width of the machine is connected to the chains with the machine in standstill. The web end is then fixed to the rod and the rod pulls the web

...

Questions, Comments and Discussion

Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.