EP2019063B1 - Verfahren und Vorrichtung zum Optimieren von Querbearbeitungsvorgängen - Google Patents

Verfahren und Vorrichtung zum Optimieren von Querbearbeitungsvorgängen Download PDF

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Publication number
EP2019063B1
EP2019063B1 EP08012278.1A EP08012278A EP2019063B1 EP 2019063 B1 EP2019063 B1 EP 2019063B1 EP 08012278 A EP08012278 A EP 08012278A EP 2019063 B1 EP2019063 B1 EP 2019063B1
Authority
EP
European Patent Office
Prior art keywords
cross
roller
machining
movement
maximum
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.)
Not-in-force
Application number
EP08012278.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2019063A3 (de
EP2019063A2 (de
Inventor
Sven Erler
Thomas Illig
Christian Fahrbach
Stephan Schultze
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2019063A2 publication Critical patent/EP2019063A2/de
Publication of EP2019063A3 publication Critical patent/EP2019063A3/de
Application granted granted Critical
Publication of EP2019063B1 publication Critical patent/EP2019063B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
    • B65H35/08—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with revolving, e.g. cylinder, cutters or perforators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/10—Selective handling processes
    • B65H2301/14—Selective handling processes of batches of material of different characteristics
    • B65H2301/141—Selective handling processes of batches of material of different characteristics of different format, e.g. A0 - A4
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/304536—Milling including means to infeed work to cutter
    • Y10T409/305544—Milling including means to infeed work to cutter with work holder
    • Y10T409/3056—Milling including means to infeed work to cutter with work holder and means to selectively position work
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool

Definitions

  • the invention relates to a method and a device for optimizing cross-processing operations, a corresponding computer program and a corresponding computer program product.
  • Cross-processing applications d. H. Applications in which, for example, a material web is cut through by means of a rotary cutter are known in general.
  • Another example of cross-processing applications or cross-processing devices are transverse sealing devices, Querperforationsvorraumen and cross-punch devices.
  • a machined, for example, severed section length is not necessarily identical to the scope of the transverse machining roller used.
  • a suitable choice of laws of motion for the cross-machining roller can be achieved that in a typical material web synchronous machining operation is performed in the cut, and in the remaining time range, a so-called compensatory movement is performed.
  • This compensation movement serves to achieve a shorter or longer format (section length) than the so-called synchronous length, which corresponds to the circumference of the cross-processing roller.
  • the movement profile of the cross-processing roller looks different depending on the ratio of format length and synchronous length. With a format length smaller than the synchronous length, the axis of rotation of the cross-processing roller must be faster during the compensating movement, in the opposite case, d. H. larger format length, slower.
  • the cross-processing roller may be desirable for the cross-processing roller to partially rotate at negative speed, i. opposite to the direction of transport of the items to be transported and processed, e.g. to be cut material web. This equals a backward movement.
  • the US 2004/0059457 A1 describes a method for changing the spacing at which a cutting tool acts on a material web. Depending on a desired format length only corresponding different curve-disk-like peripheral speeds of the tool are calculated here. A choice between different laws of motion is not described here.
  • the achieved accuracy in the machining or cutting area is not monitored by the drive system.
  • lag errors device between position actual value and position setpoint
  • a reverse rotation of a cross-processing roller is not used because of each Case is to be avoided that a processing element, such as the cutting knife, dips backwards into the material. Due to the fact that the possibilities of a reverse rotation are not utilized, the drive is not operated optimally with regard to realizable maximum speeds or energy consumption. The same applies to a limitation of the roller speed a value greater than or equal to zero:
  • the present invention seeks to overcome the disadvantages described above, i. H. in particular to make it possible to utilize a maximum drive torque, in particular while optimizing energy consumption.
  • the invention therefore proposes a method with the features of claim 1.
  • the method for operating a cross-cutting roll, a transverse sealing roll, a transverse perforation roll, a cross-roll of a cutter device, a transverse sealing device, a Querperforationsvorraum or a transverse punching device is used.
  • appropriately tailored, sealed, perforated or stamped web portions are provided.
  • the parameters of the drive which enter into the calculation of the permissible maximum web speed, a maximum drive or engine torque, a maximum drive or engine temperature, a maximum drive or engine speed, an estimate of occurring cutting forces and mechanical conditions, such as moments of inertia or mechanical translations.
  • Such an online calculation or monitoring is also applicable when changing a format-dependent motion law or a corresponding algorithm to be used. There are no time-consuming test drives over the entire format range necessary. Productivity can be optimized due to the maximum machine speed that can be displayed. Furthermore, a dynamic consideration of thermal models for the motor and / or the drive controller is taken into account.
  • the machine speed can be automatically determined by the controller in the case of a Format conference be suitably reduced and / or increased.
  • the reduction of the machine speed can also take place after the format change, provided that the thermal behavior is taken into account.
  • a short-term increase in the machine speed over a permanently permissible maximum speed is permitted, as long as the thermal limits are not exceeded.
  • the maximum machine speed is no longer limited by the drive system, but typically by the process itself.
  • the drive system can in principle execute any compensation movement laws.
  • These can now be selected according to the invention such that the lowest possible energy consumption arises.
  • the energy consumption can be determined, for example, based on the square of the acceleration of the drive and / or the cross-processing roller or be estimated. This makes it possible to minimize energy loss, whereby the energy costs for the inventive operation of a cross-cutting device are minimized.
  • the thermal adaptation of motor and drive controller or drive controller to each other proves to be advantageous.
  • criteria are, for example, the energy consumption of the compensation movement, which is particularly small in the description of the movement of the transverse processing roller by means of a 3rd degree polynomial, for example.
  • modified sinusoidal lines for example Bestehorn sine lines with low jerk characteristic values, are available.
  • polynomials of the 2nd degree are suitable.
  • a compensation movement of the cross-processing roller is calculated by means of a format-dependent law of motion, which in particular a permissible reverse rotation of the cross-processing roller in a Direction opposite to the transport direction of the web comprises.
  • Such a reverse rotation can be predetermined in particular as an angle value, the compensation movement being limited to this value.
  • the width of the backward movement can be specified. The backward movement can thus (in the limiting case) take place exactly up to the cutting area. This allows maximum stopping and acceleration paths, resulting in a significant reduction of the maximum occurring accelerations.
  • the applicable laws of motion can be selected energy-optimized, in which case, in particular, heating, energy consumption and motor or amplifier size can be taken into account.
  • the laws of motion used can be optimized for the maximum moment, e.g. the maximum speed of the feed or the drive or motor or amplifier size.
  • the selected law of motion can also be optimized to protect the mechanics, which, for example, a lower noise is feasible.
  • a goal of a cross operator is to drive in the processing or cutting area as accurately as possible linearly or as accurately as possible according to a predefinable profile (so-called pushout function or so-called cos ⁇ correction) in order to execute the cut with optimum accuracy
  • Modern drive systems offer the possibility the following error, ie to measure the angular error between the target position and actual position of the cross-processing roller. This following error can now be monitored according to the invention.
  • a message may be issued, or the machine speed may be adjusted to ensure that a predetermined limit is not exceeded.
  • This measure allows a monitoring of a required accuracy or optimization of the maximum speed by allowing a deviation. Furthermore, a targeted optimization of correction movements is possible.
  • the accuracy monitoring according to the invention enables better overall cut edges, cleaner cuts and an overall higher quality of the cut fabric web sections.
  • FIG. 1 a cross-cutting device is shown schematically and designated 100 in total.
  • Such a cross-cutting device is a preferred example of the cross-processing device according to the invention.
  • the cross-cutting device has a cross-processing roller 110 and a counter-pressure roller 120 cooperating therewith.
  • the cross-processing roller 110 and optionally also the counter-pressure roller 120 can be driven by means of a drive 140.
  • the drive is controlled by means of a control device 150, which in particular comprises an HMI 155.
  • a material web 130 is transported in the transport direction T.
  • the transverse processing roller 110 By means provided on the transverse processing roller 110 cutting device 115, which is designed in particular as a cutting knife, there is a separation of the material web 130 into respective sections.
  • the length of the cut-away web portions corresponds to the circumferential length of the cross-processing roll 110 (2 ⁇ r), it is called the synchronous length.
  • the synchronous length is in FIG. 1 denoted by f.
  • control device 150 controls the transport speed of the web 130 in the transport direction T faster or slower movement of the cross-processing roller 110, ie a faster or slower rotation its axis of rotation A.
  • These movements are controlled by means of the control device 150, wherein corresponding control commands are given to the drive 140.
  • Control commands can be introduced in particular via the HMI 155 in the control device.
  • an automatic selection or calculation of laws of motion by means of the control device 150 is possible by entering appropriate format specifications by means of the HMI.
  • Typical movements such as those according to the invention with a cross-cutting device, as shown in FIG. 1 are illustrated, executable, are now with reference to the FIGS. 2 to 4 described.
  • FIG. 2 11, above shows sectional curves for a compensating movement of the cross-processing roller 110 at which the format length should be shorter than the synchronous length.
  • Individual graphs are shown for the (angular) position of the roller ( ⁇ ), its speed (v) and its acceleration (a). Essential in the present case is the speed v.
  • the position ⁇ as well as the acceleration a of the cross-processing roller result directly from the selected speed.
  • FIG. 2 is the corresponding situation for a format length, which should be longer than the synchronous length represented. It can be seen that the compensation movement (outside of the cutting area) at a lower speed than the speed in the cutting area. However, the speed also always has a positive sign here.
  • FIG. 2 shows essentially sectional curves according to the prior art.
  • FIG. 3 corresponding sectional curves are shown according to the present invention, which also allow a backward movement.
  • the backward movement or rotation of the cross-processing roller 110 is limited to a certain angle.
  • FIG. 3 At the top, one can see two boundary lines 310, 320, by means of which it is shown that here the rearward movement of the cross-processing roller 110 is limited to 20 degrees.
  • the corresponding speed v of the transverse processing roller 110 is correspondingly smaller than zero over a certain range b.
  • FIG. 3 the corresponding situation is shown for a compensation movement with a limitation to a backward movement of 120 degrees.
  • the negative velocity v is accordingly maintained over a longer range b '.
  • FIG. 4a a compensation movement is represented by means of a law of motion according to a 5th degree polynomial.
  • FIG. 4b shows corresponding compensatory movements on the basis of a polynomial 3rd degree, which can be used for energy optimization.
  • Figure 4c shows corresponding compensatory movements based on a modified sine curve.
  • the three upper diagrams show angle position a, velocity v and acceleration a.
  • the lower diagram shows the square of the acceleration a 2 . This is the basis for a loss energy consideration.

Landscapes

  • Control Of Cutting Processes (AREA)
  • Automatic Control Of Machine Tools (AREA)
  • Control Of Metal Rolling (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
EP08012278.1A 2007-07-26 2008-07-08 Verfahren und Vorrichtung zum Optimieren von Querbearbeitungsvorgängen Not-in-force EP2019063B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200710034834 DE102007034834A1 (de) 2007-07-26 2007-07-26 Verfahren und Vorrichtung zum Optimieren von Querbearbeitungsvorgängen

Publications (3)

Publication Number Publication Date
EP2019063A2 EP2019063A2 (de) 2009-01-28
EP2019063A3 EP2019063A3 (de) 2009-11-18
EP2019063B1 true EP2019063B1 (de) 2018-09-12

Family

ID=39998927

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08012278.1A Not-in-force EP2019063B1 (de) 2007-07-26 2008-07-08 Verfahren und Vorrichtung zum Optimieren von Querbearbeitungsvorgängen

Country Status (6)

Country Link
US (1) US20090025522A1 (ja)
EP (1) EP2019063B1 (ja)
JP (1) JP2009028896A (ja)
CN (1) CN101352856A (ja)
DE (1) DE102007034834A1 (ja)
TW (1) TWI392570B (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009013850A1 (de) 2009-03-18 2010-09-23 Robert Bosch Gmbh Verfahren zum Betreiben einer Bearbeitungswalze
CN101537645B (zh) * 2009-04-24 2010-12-29 李秉江 双回转刀切纸机横切装置及调整切纸长度和方正度方法
JP2019115954A (ja) * 2017-12-27 2019-07-18 シブヤマシナリー株式会社 長尺シートのミシン目形成装置

Family Cites Families (20)

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Publication number Priority date Publication date Assignee Title
US2190638A (en) * 1938-08-02 1940-02-13 United Eng Foundry Co Flying shear
US3970830A (en) * 1974-06-24 1976-07-20 Cone-Blanchard Machine Company Computer controlled machine tool contouring system
US4512225A (en) * 1982-10-18 1985-04-23 Combustion Engineering, Inc. Differential integral rotary knife control
US4543863A (en) * 1984-01-16 1985-10-01 Wirtz Manufacturing Company, Inc. Controlled severing of a continuous web
JP2697399B2 (ja) * 1991-09-13 1998-01-14 三菱電機株式会社 位置決め装置及びそのプログラム表示方法
US5348527A (en) * 1992-09-01 1994-09-20 Rdp Marathon Inc. Apparatus for cutting and stacking a multi-form web
US5455764A (en) * 1993-09-09 1995-10-03 Sequa Corporation Register control system, particularly for off-line web finishing
US6644184B1 (en) * 1995-02-09 2003-11-11 Man Roland Druckmaschinen Ag Offset printing machine
US5608639A (en) * 1995-01-13 1997-03-04 Wallace Computer Services, Inc. System and method for printing, assembly and verifying a multiple-part printed product
JP3387842B2 (ja) * 1999-01-11 2003-03-17 株式会社安川電機 電子カム方式ロータリカッタ制御方法および電子カム曲線生成方法
US6360640B1 (en) * 1999-07-13 2002-03-26 Heidelberger Druckmaschinen Variable velocity cutting cylinders
DE19934044A1 (de) * 1999-07-16 2001-01-25 Mannesmann Ag Arbeitstaktsynchrones Ein- und Auskuppeln von Servoachsengruppen mittels elektronisch simulierter Kurvenscheiben
DE10053247A1 (de) * 2000-10-26 2002-05-29 Rexroth Indramat Gmbh Verfahren und Vorrichtung zum Umschalten des Eingriffsabstandes eines Werkzeuges in eine vorbeilaufende Materialbahn
US6845698B2 (en) * 2002-02-25 2005-01-25 Ppg Industries Ohio, Inc. Systems and methods for severing elongated material
DE10213978A1 (de) * 2002-03-28 2003-10-09 Roland Man Druckmasch Verfahren zum Querschneiden einer laufenden Bahn
DE10245322A1 (de) * 2002-09-27 2004-04-08 Man Roland Druckmaschinen Ag Verfahren zum Querschneiden einer Bahn
JP3775503B2 (ja) * 2002-12-27 2006-05-17 株式会社安川電機 電子カム方式ロータリーカッター制御の逆転防止電子カム曲線生成方法およびその制御装置
DE102005002683A1 (de) * 2005-01-20 2006-08-03 Man Roland Druckmaschinen Ag Falzapparat für eine Rollenrotationsdruckmaschine
JP2006231243A (ja) * 2005-02-25 2006-09-07 Fuji Photo Film Co Ltd ウエブ加工装置
DE102007006422B4 (de) * 2007-02-05 2024-06-06 Robert Bosch Gmbh Verfahren zum Betreiben von Maschinen mit anpassbaren Bewegungsprofilen

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Also Published As

Publication number Publication date
DE102007034834A1 (de) 2009-01-29
CN101352856A (zh) 2009-01-28
EP2019063A3 (de) 2009-11-18
EP2019063A2 (de) 2009-01-28
TW200906581A (en) 2009-02-16
US20090025522A1 (en) 2009-01-29
JP2009028896A (ja) 2009-02-12
TWI392570B (zh) 2013-04-11

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