EP0886695B1 - Kalander - Google Patents
Kalander Download PDFInfo
- Publication number
- EP0886695B1 EP0886695B1 EP97951247A EP97951247A EP0886695B1 EP 0886695 B1 EP0886695 B1 EP 0886695B1 EP 97951247 A EP97951247 A EP 97951247A EP 97951247 A EP97951247 A EP 97951247A EP 0886695 B1 EP0886695 B1 EP 0886695B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rolls
- roll
- calender
- rollers
- calender according
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G1/00—Calenders; Smoothing apparatus
- D21G1/0006—Driving arrangements
Definitions
- the invention relates to a calender for the treatment of a Material web, in particular a paper web, for example a calendering calender.
- a calender that the in the preamble of claim 1 Features mentioned, is known for example from DE-U-295 04 034.
- This auxiliary drive only needs for the idle power designed until the working speed is reached to become the main drive for overall performance during the Operating is to be interpreted.
- a similar colander is also known from DE-U-295 18 424.
- the object of the invention is to provide a calender in the preamble Specify the features mentioned in claim 1, in which the Compressive stress for a given line load by reducing the roll diameter can be increased.
- the rollers can be designed with diameters that are from criteria other than the deformation resistance or the horizontal Deformations are determined, such as the critical natural frequencies.
- the drives bring the for the driven roller specific performance based on forming, transport and power loss composed.
- a distribution of 50:50 would be on the both gap-forming rollers are only a rough guide, for example a deflection adjustment roller significantly higher friction losses than a normal solid roller.
- the forces to be controlled according to the invention can be, for example measure in the roller bearings; Bearings with built-in force measuring systems are commercially available. But at least it is also conceivable the horizontal deformations caused by such forces to be measured.
- Figure 1 is a largely schematic side view a calender according to the invention
- Fig. 3 shows a modification of the second embodiment
- Figure 4 is a block diagram of the control of one of the rollers.
- a calender frame 10 with side stands is in Welded or cast construction.
- a calender 12 arranged, which has eight gap-forming rollers.
- the top one and the first roller 14 and 16 are deflection adjustment rollers, and the yoke of the upper deflection adjustment roller is stationary in the Frame clamped; the bearings of this roller are also stationary.
- the Roller 14 is provided with an elastic cover, just like that in Ka lander 12 provided rollers 18, 20, 22 and lower deflection adjustment roller 16.
- a hard heatable Roller 24 arranged with the rollers arranged above and below it 14 and 18 each form a roll gap. Also between the rollers 18 and 20 there is a hard, heatable, each with a roll gap defining roller 26.
- the gap between the web 28 traversed the rollers 20 and 22 are not used for forming the web, but as a turning nip around which the elastic rollers previously faced Side of the web now facing the hard, heatable roller 30, which is arranged between the rollers 22 and 16. (The page in question the web has already passed four columns, albeit each turned towards an elastic roller, but is smoothed so far been that going through two more gaps on the heated Enough).
- the bearings of all rollers except the upper deflection adjustment roller 14 are slidably arranged in the frame 10.
- the load on the roll gaps is carried out by means of hydraulic cylinders 32 and results, for example, in an average line force of 500 N / mm. It should be noted is that the line force is also by means of the deflection adjustment rollers can be applied.
- the hard rollers can be steamed up for example heating up to 200 ° C.
- the elastic rollers can be tempered.
- the web 28 is between the individual roll nips guided around guide rollers 34, the surfaces of which are provided with spiral grooves are to ensure the width of the web and the To prevent the formation of an air cushion on which the material web floats could.
- Pneumatic compensation of the overhanging loads takes place by means of compensation units 46, in their place also hydraulic ones or other servo drives can be provided.
- the calender arrangement shown can be an "in-line calender" of a paper or Subsequent coating machine or work as an "off-line calender”.
- each is gap-forming Provide roller with its own drive, consisting of a Electric motor, for example a direct current motor, which has a cardan shaft is coupled with the roller assigned to it and from a regulated supply unit is fed.
- the drives are in Fig. 1 only indicated by the usual two-quarter circle symbol.
- Fig. 4 shows the drive of one of the rollers.
- the drive motor is a DC motor 50, fed from a converter 52 through a Controller 54, preferably a digital PID controller.
- the speed is regulated in the start-up phase; for this points each motor 50 has an actual value transmitter in the form of a tachodynamo, for example 56 on; the setpoints can be stored in an electronic memory 58 be stored, which is read out sequentially.
- the setpoints are selected so that they each define a roll gap Rolls have the same peripheral speed.
- the peripheral speed is only with Restrictions a suitable parameter, since the elastic Deform rollers in the area of the roll gap, so no strict proportionality there is more between speed and peripheral speed. The same applies to that taking place when a roller is heated Dilatation.
- the power control has the special feature that the Measurement of the power to the motors, each delimiting a roll gap Drive pairs of rollers, if there is a setpoint deviation, the Performance of both motors is adjusted and since all the rollers are together are linked, this means a control intervention on all motors.
- the Single motor controller is accordingly hierarchically superordinate to an overall controller 60, that in the case of a setpoint deviation even with a single one Roll new setpoints of power calculated for all rolls or one Search table memory removed.
- Force sensors are arranged in the bearings of the rollers, at least in the horizontal direction from the roller in question to the frame Capture 10 transmitted forces.
- Such "load cells” will be for example from SKF Kugellagerfabriken GmbH, Schweinfurt, offered. As mentioned above, the performance or, more specifically, the power distribution regulated so that these horizontal forces are as small as possible being held.
- the calender arrangement according to FIG. 1 can be operated that the number of nips passed is specified; Furthermore the operator can see the technological result by selecting the Line load and the roller temperatures influence.
- each individual calender only two deflection adjustment rollers 40 and 42 with elastic Cover and has a hard, heated roller 44 disposed therebetween.
- FIG. 3 shows an example of the second variant of the invention represents, derived from the embodiment of Fig. 2.
- heated middle roller 45 does not have its own drive, but will entrained by the jackets of the deflection adjustment rollers 40, 42. This transmit the drive torque to the hard one through the web Roller 46, but the drives of the two elastic rollers are regulated so that the forces acting on the hard roller are the same and opposite become.
- each with one hard roller is arranged between two elastic rollers, such as configurations 5/3, 7/3, 5/5, 8/5 and others.
Landscapes
- Paper (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Treatment Of Fiber Materials (AREA)
- Lubricants (AREA)
Description
Claims (10)
- Kalander (12) zur Behandlung einer Warenbahn (28), umfassend eine Mehrzahl von Walzen (14 bis 26, 30), von denen jeweils eine harte Walze und eine elastische Walze einen Walzspalt definieren, welche Walzen in Ständern eines Gestells (10) mit ihren Achsen vertikal verlagerbar aufgenommen sind, und wobei die unterste und die oberste Walze Durchbiegungseinstellwalzen (16/26, 18/30) sind, dadurch gekennzeichnet, daß den mindestens einen Walzspalt bildenden Walzen eines Walzenpaares jeweils ein eigener derart geregelter Antrieb (50, 52, 54, 56, 58, 60) zugeordnet ist, daß in Horizontalrichtung auf die Walzen wirkende Kräfte minimal gehalten werden.
- Kalander zur Behandlung einer Warenbahn, umfassend eine Mehrzahl von Walzen, von denen jeweils eine harte Walze und eine elastische Walze einen Walzspalt definieren, welche Walzen in Ständern eines Gestells mit ihren Achsen vertikal verlagerbar aufgenommen sind, und wobei die unterste und die oberste Walze Durchbiegungseinstellwalzen sind, dadurch gekennzeichnet, daß der oberen und der unteren elastischen Walze einer drei Walzen umfassenden, zwei Walzspalte definierenden Gruppe jeweils ein eigener, derart geregelter Antrieb zugeordnet ist, daß in Horizontalrichtung auf die Walzen wirkende Kräfte minimal gehalten werden.
- Kalander nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß den Antrieben der einzelnen Walzen die für die Verluste der betreffenden Walze benötigte Leistung sowie mindestens annähernd die Hälfte der Leistung für die Warenbahnumformung und den Warenbahntransport geregelt zugeführt wird.
- Kalander nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß die in den Walzenlagern auftretenden IST-Horizontalkräfte gemessen werden.
- Kalander nach Anspruch 1 oder einem der auf ihn rückbezogenen Ansprüche, dadurch gekennzeichnet, daß alle spaltbegrenzenden Walzen mit einem eigenen Antrieb ausgerüstet sind.
- Kalander nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß von der Warenbahn umschlungene Walzen einschließlich Leitwalzen mit einem eigenen Antrieb ausgerüstet sind.
- Kalander nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die elastischen Walzen einen mit einem elastischen Kunststoffbezug versehenen Kern umfassen.
- Kalander nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß ein die Durchbiegungskräfte aufnehmendes Joch mindestens einer der Durchbiegungseinstellwalzen (14, 16) ortsfest in Ständern des Gestells (10) angeordnet ist.
- Kalander nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß jedem Antrieb ein Regler (54) zugeordnet ist, dem bei einer Sollwertabweichung von einem übergeordneten Gesamtregler (60) ein angepaßter Sollwert zugeführt wird.
- Kalander nach Anspruch 9, dadurch gekennzeichnet, daß die Einzelregler und der Gesamtregler für die Regelung der Leistungsverteilung auf alle Antriebe ausgebildet sind.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19650576A DE19650576C2 (de) | 1996-12-06 | 1996-12-06 | Kalander |
DE19650576 | 1996-12-06 | ||
PCT/EP1997/006474 WO1998024969A1 (de) | 1996-12-06 | 1997-11-20 | Kalander |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0886695A1 EP0886695A1 (de) | 1998-12-30 |
EP0886695B1 true EP0886695B1 (de) | 2002-05-22 |
Family
ID=7813783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97951247A Expired - Lifetime EP0886695B1 (de) | 1996-12-06 | 1997-11-20 | Kalander |
Country Status (9)
Country | Link |
---|---|
US (3) | US6095039A (de) |
EP (1) | EP0886695B1 (de) |
JP (1) | JP4255516B2 (de) |
AT (1) | ATE217927T1 (de) |
BR (1) | BR9707370A (de) |
CA (1) | CA2252414C (de) |
DE (2) | DE19650576C2 (de) |
ES (1) | ES2178028T3 (de) |
WO (1) | WO1998024969A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2270280A1 (de) * | 2009-06-30 | 2011-01-05 | Andritz Küsters GmbH | Kalander zur Behandlung einer Warenbahn |
EP2270279A1 (de) * | 2009-06-30 | 2011-01-05 | Andritz Küsters GmbH | Kalander zum Glätten einer Papierbahn |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19650576C2 (de) * | 1996-12-06 | 2001-02-15 | Kuesters Eduard Maschf | Kalander |
DE19723519A1 (de) * | 1997-06-05 | 1998-12-10 | Kuesters Eduard Maschf | Kalander |
DE19803323C2 (de) * | 1998-01-29 | 2003-06-05 | Voith Paper Patent Gmbh | Verfahren zur Beeinflussung eines Bahnmaterials, wie Papier, und Kalander zur Durchführung des Verfahrens |
DE19811474A1 (de) * | 1998-03-17 | 1999-09-23 | Kuesters Eduard Maschf | Kalanderanordnung |
US7096779B2 (en) | 1998-03-17 | 2006-08-29 | Eduard Küsters Maschinenfabrik GmbH & Co. KG | Calender arrangement |
US20030126998A1 (en) * | 1998-03-17 | 2003-07-10 | Eduard Kusters Maschinenfabrik Gmbh & Co. Kg | Calender arrangement |
DE19815339A1 (de) | 1998-04-06 | 1999-10-14 | Voith Sulzer Papiermasch Gmbh | Walzenmaschine und Verfahren zu ihrem Betrieb |
DE19940664C1 (de) * | 1999-08-27 | 2001-02-08 | Voith Paper Patent Gmbh | Verfahren zum Voreinstellen eines Kalanders und Kalander zur Durchführung des Verfahrens |
FI20001362A0 (fi) * | 2000-06-07 | 2000-06-07 | Valmet Corp | Menetelmä paperirainan profiloimiseksi |
DE10204770B4 (de) † | 2002-02-05 | 2005-03-31 | Eduard Küsters Maschinenfabrik GmbH & Co. KG | Verfahren zur aktiven Dämpfung von Schwingungen in einer Vorrichtung zum Bearbeiten einer laufenden Bahn, zum Durchführen dieses Verfahrens geeignete Vorrichtung sowie zum Einsatz in dieser Vorrichtung geeignete Walze |
JP2007056409A (ja) * | 2005-08-25 | 2007-03-08 | Nippon Paper Industries Co Ltd | スーパーカレンダー |
US20060102019A1 (en) * | 2005-09-23 | 2006-05-18 | Pasi Kakkonen | Method and arrangement for calendering a web |
DE102006056695A1 (de) | 2006-11-29 | 2008-06-05 | Andritz Küsters Gmbh | Kalander zur Behandlung einer Warenbahn |
DE102011052229A1 (de) | 2011-07-28 | 2013-01-31 | Andritz Küsters Gmbh | Kalander |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1793114A (en) * | 1929-03-27 | 1931-02-17 | Minton Vacuum Dryer Corp | Slip-control calender |
US3044392A (en) * | 1959-07-10 | 1962-07-17 | Kimberly Clark Co | Papermaking machine |
US3172313A (en) * | 1961-03-21 | 1965-03-09 | Thomas A Fox | Strip rolling apparatus |
FI62874C (fi) * | 1979-10-15 | 1983-03-10 | Valmet Oy | Pappers kalander |
DE3007452C2 (de) | 1980-02-28 | 1984-09-20 | Kleinewefers Gmbh, 4150 Krefeld | Verfahren zum Regeln des in einem Kalander ausgeübten Druckes sowie Kalander zur Durchführung dieses Verfahrens |
JPS5891890A (ja) * | 1981-11-24 | 1983-05-31 | 神崎製紙株式会社 | ス−パ−カレンダ− |
DE3713561A1 (de) * | 1987-04-23 | 1988-11-10 | Escher Wyss Gmbh | Kalander mit niprelieving |
JPH04185790A (ja) * | 1990-11-10 | 1992-07-02 | Taiyo Yuden Co Ltd | カレンダー処理方法及び装置 |
DE9207852U1 (de) * | 1992-06-11 | 1992-08-27 | Kleinewefers Gmbh, 4150 Krefeld | Fahrbühne für das Bedienungspersonal eines Kalanders |
DE29504034U1 (de) * | 1995-03-09 | 1995-05-04 | Voith Sulzer Finishing GmbH, 47803 Krefeld | Kalander für die zweiseitige Behandlung einer Papierbahn |
DE19519011C2 (de) * | 1995-05-24 | 2001-02-01 | Voith Sulzer Finishing Gmbh | Kalander |
DE29518424U1 (de) * | 1995-11-21 | 1996-03-14 | Voith Sulzer Finishing GmbH, 47803 Krefeld | Kalander in einer Papier- oder Streichmaschine |
DE19650576C2 (de) | 1996-12-06 | 2001-02-15 | Kuesters Eduard Maschf | Kalander |
US7357072B2 (en) | 1996-12-06 | 2008-04-15 | Eduard Kusters Maschinefabrik Gmbh & Co. Kg | Calender |
US20040134361A1 (en) | 1996-12-06 | 2004-07-15 | Eduard Kusters Maschinenfabrik Gmbh & Co. Kg | Calender |
DE19729531C2 (de) * | 1997-07-10 | 2002-12-12 | Voith Paper Patent Gmbh | Papierkalander |
-
1996
- 1996-12-06 DE DE19650576A patent/DE19650576C2/de not_active Expired - Fee Related
-
1997
- 1997-11-20 DE DE59707328T patent/DE59707328D1/de not_active Expired - Lifetime
- 1997-11-20 ES ES97951247T patent/ES2178028T3/es not_active Expired - Lifetime
- 1997-11-20 CA CA002252414A patent/CA2252414C/en not_active Expired - Fee Related
- 1997-11-20 JP JP52512898A patent/JP4255516B2/ja not_active Expired - Fee Related
- 1997-11-20 BR BR9707370-9A patent/BR9707370A/pt not_active IP Right Cessation
- 1997-11-20 EP EP97951247A patent/EP0886695B1/de not_active Expired - Lifetime
- 1997-11-20 WO PCT/EP1997/006474 patent/WO1998024969A1/de active IP Right Grant
- 1997-11-20 US US09/117,753 patent/US6095039A/en not_active Expired - Lifetime
- 1997-11-20 AT AT97951247T patent/ATE217927T1/de active
-
2000
- 2000-06-27 US US09/604,837 patent/US6666135B1/en not_active Expired - Fee Related
-
2008
- 2008-02-28 US US12/039,468 patent/US7918159B2/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2270280A1 (de) * | 2009-06-30 | 2011-01-05 | Andritz Küsters GmbH | Kalander zur Behandlung einer Warenbahn |
EP2270279A1 (de) * | 2009-06-30 | 2011-01-05 | Andritz Küsters GmbH | Kalander zum Glätten einer Papierbahn |
WO2011000529A1 (de) * | 2009-06-30 | 2011-01-06 | Andritz Küsters GmbH & Co. KG | Kalander zur behandlung einer warenbahn |
WO2011000530A2 (de) | 2009-06-30 | 2011-01-06 | Andritz Küsters Gmbh | Kalander zum glätten einer papierbahn |
EP2278067A1 (de) * | 2009-06-30 | 2011-01-26 | Andritz Küsters GmbH | Kalander zur Behandlung einer Warenbahn |
WO2011000530A3 (de) * | 2009-06-30 | 2012-08-09 | Andritz Küsters Gmbh | Kalander zum glätten einer papierbahn |
US8440054B2 (en) | 2009-06-30 | 2013-05-14 | Andritz Kusters Gmbh | Calender for calendering a paper web |
US8545677B2 (en) | 2009-06-30 | 2013-10-01 | Andritz Kusters Gmbh | Calender for treating a product web |
Also Published As
Publication number | Publication date |
---|---|
CA2252414A1 (en) | 1998-06-11 |
US20080210105A1 (en) | 2008-09-04 |
BR9707370A (pt) | 2000-01-04 |
US7918159B2 (en) | 2011-04-05 |
DE19650576C2 (de) | 2001-02-15 |
ATE217927T1 (de) | 2002-06-15 |
DE19650576A1 (de) | 1998-06-10 |
ES2178028T3 (es) | 2002-12-16 |
JP2000504381A (ja) | 2000-04-11 |
JP4255516B2 (ja) | 2009-04-15 |
EP0886695A1 (de) | 1998-12-30 |
DE59707328D1 (de) | 2002-06-27 |
US6666135B1 (en) | 2003-12-23 |
US6095039A (en) | 2000-08-01 |
WO1998024969A1 (de) | 1998-06-11 |
CA2252414C (en) | 2007-04-03 |
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