EP0226749A2 - Paire de rouleaux de traction dans une machine rotative d'impression pour le transport de bandes de support d'impression - Google Patents

Paire de rouleaux de traction dans une machine rotative d'impression pour le transport de bandes de support d'impression Download PDF

Info

Publication number
EP0226749A2
EP0226749A2 EP86114636A EP86114636A EP0226749A2 EP 0226749 A2 EP0226749 A2 EP 0226749A2 EP 86114636 A EP86114636 A EP 86114636A EP 86114636 A EP86114636 A EP 86114636A EP 0226749 A2 EP0226749 A2 EP 0226749A2
Authority
EP
European Patent Office
Prior art keywords
webs
rollers
pair
elastic
width
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP86114636A
Other languages
German (de)
English (en)
Other versions
EP0226749B1 (fr
EP0226749A3 (en
Inventor
Johannes Richter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0226749A2 publication Critical patent/EP0226749A2/fr
Publication of EP0226749A3 publication Critical patent/EP0226749A3/de
Application granted granted Critical
Publication of EP0226749B1 publication Critical patent/EP0226749B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/22—Longitudinal folders, i.e. for folding moving sheet material parallel to the direction of movement
    • B65H45/221—Longitudinal folders, i.e. for folding moving sheet material parallel to the direction of movement incorporating folding triangles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/02—Advancing webs by friction roller

Definitions

  • the invention relates to a pair of pulling rollers for a rotary printing press for transporting printing medium webs, in which one roller is positioned against the other and both rollers can be driven evenly with advance over the speed of the paper web and the inserts offset relative to one another on their circumference in relation to the other roller have made of elastic material.
  • a print carrier web (1) usually a paper web, coming from a former (2) is fed to a pair of draw rollers comprising two rollers (3 and 4).
  • the rollers (3 and 4) can be mounted with their pins (5 and 6) between two side walls (7 and 7a).
  • the pull rollers (3, 4) are placed against each other.
  • storage is preferably carried out in a single side wall or in a single side part (7), in which the drive for the pair of draw rollers (3, 4) is also accommodated or arranged.
  • the pull rollers (3, 4) are mounted eccentrically to the side part (7) which can be adjusted centrally in the side wall. This enables the pair of pulling rollers (3, 4) to be aligned with the funnel tips and an inexpensive possibility of correction to the print carrier webs (1).
  • the rollers (3, 4) shown are steel rollers. On their circumference they have grooves (8) running in the axial direction, between which there are webs (9) made of the base material, ie in the exemplary embodiment made of steel.
  • the grooves (8) are provided with a material that is less elastic than the material of the webs (9).
  • Plastic or gum arabic is suitable as an elastic strip (10) for filling the grooves (8).
  • the width of the webs (9), based on the width of the elastic strips (10), is in each case seen in the circumferential direction, the same size but preferably smaller, as can be seen from FIG. This advantageously results in squeeze areas (11) which need only have a very small depth, for example in the micro range. As a result, a uniform tension for the transport of the print carrier web (1) is achieved over the entire width of the rollers (3, 4).
  • the production of the pair of draw rollers (3, 4) is based on the known draw rollers dealt with at the beginning. much easier, since only grooves running in the axial direction into the rollers e.g. must be milled, which are then filled with an elastic material.
  • the division ratio between grooves and webs is determined as a function of the width of the rollers (3, 4) and their diameter and, if appropriate, of a predetermined permissible slip.
  • the width of the webs (9) is equal to or smaller than the width of the elastic strips (10)
  • the webs penetrate slightly into the material of the elastic strips (10). a, whereby the squeeze areas (11) mentioned arise. This results in a small slip, which can be limited by the measure mentioned above.

Landscapes

  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Rotary Presses (AREA)
EP86114636A 1985-12-20 1986-10-22 Paire de rouleaux de traction dans une machine rotative d'impression pour le transport de bandes de support d'impression Expired - Lifetime EP0226749B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3545295 1985-12-20
DE3545295A DE3545295C1 (de) 1985-12-20 1985-12-20 Zugwalzenpaar fuer eine Rotationsdruckmaschine zum Transportieren von Bedruckstoffbahnen

Publications (3)

Publication Number Publication Date
EP0226749A2 true EP0226749A2 (fr) 1987-07-01
EP0226749A3 EP0226749A3 (en) 1989-03-01
EP0226749B1 EP0226749B1 (fr) 1991-01-16

Family

ID=6289078

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86114636A Expired - Lifetime EP0226749B1 (fr) 1985-12-20 1986-10-22 Paire de rouleaux de traction dans une machine rotative d'impression pour le transport de bandes de support d'impression

Country Status (4)

Country Link
US (1) US4748910A (fr)
EP (1) EP0226749B1 (fr)
JP (1) JPS62157167A (fr)
DE (1) DE3545295C1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3932931A1 (de) * 1989-10-03 1991-04-11 Roland Man Druckmasch Falzklappenzylinder fuer einen falzapparat
US6298782B1 (en) 1993-03-25 2001-10-09 Baldwin Web Controls Anti-wrap device for a web press
US5398610A (en) * 1993-03-25 1995-03-21 Baldwin Web Controls Anti-wrap device for a web press
US5678484A (en) * 1993-03-25 1997-10-21 Baldwin Web Controls Anti-wrap device for a web press
GB2317606A (en) * 1994-03-04 1998-04-01 Fujitsu Ltd Roller abrasion evaluation
JPH07243436A (ja) * 1994-03-04 1995-09-19 Fujitsu Ltd 媒体搬送用ゴムローラおよびその磨耗評価
JPH08208088A (ja) * 1994-10-27 1996-08-13 Minnesota Mining & Mfg Co <3M> デュアルトラクションローラ
SE518032C2 (sv) * 2000-12-18 2002-08-20 Tetra Laval Holdings & Finance Sätt och anordning vid framställning av ett förpackningsmaterial
GB2440399A (en) * 2006-07-26 2008-01-30 Gavin Agar Scaffolding erection conveyor
DE102008009508A1 (de) * 2008-02-15 2009-08-20 Manroland Ag Trichtereinlaufwalzen und Verfahren zum Betreiben von Trichtereinlaufwalzen
CN103640921A (zh) * 2013-11-17 2014-03-19 孙光恩 一种卷布机推进条的组装方法
CN103601027A (zh) * 2013-11-17 2014-02-26 孙光恩 一种卷布机推进条的使用方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2362393A1 (de) * 1972-12-21 1974-06-27 Horsens Teknisk Gummi As Expanderrolle
DE2357208A1 (de) * 1973-11-16 1975-05-22 Frankenthal Ag Albert Zugwalzenpaar an rotationsdruckmaschinen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US486631A (en) * 1892-11-22 Pulley
US2219077A (en) * 1939-12-01 1940-10-22 Johnson S Company Asbestos fiberizer
US2434820A (en) * 1947-02-01 1948-01-20 Draper Corp Loom temple roll
US3022231A (en) * 1959-07-27 1962-02-20 Frank W Broderick Method of producing matching embossing rolls
US3060545A (en) * 1960-07-22 1962-10-30 E F Kress Shone Web spreading device
DE2356208A1 (de) * 1973-11-10 1975-05-15 Timaplast Kunststoffverarbeitu Aufhaengbares etui aus kunststoffolie
US4291438A (en) * 1979-02-17 1981-09-29 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Fiber feeding roller of open-end spinning apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2362393A1 (de) * 1972-12-21 1974-06-27 Horsens Teknisk Gummi As Expanderrolle
DE2357208A1 (de) * 1973-11-16 1975-05-22 Frankenthal Ag Albert Zugwalzenpaar an rotationsdruckmaschinen

Also Published As

Publication number Publication date
DE3545295C1 (de) 1986-10-16
EP0226749B1 (fr) 1991-01-16
EP0226749A3 (en) 1989-03-01
US4748910A (en) 1988-06-07
JPS62157167A (ja) 1987-07-13

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