EP0540496A1 - Méthode et appareil pour le découpage de produits tridimensionnels dans bloc en matière avec larges pores - Google Patents

Méthode et appareil pour le découpage de produits tridimensionnels dans bloc en matière avec larges pores Download PDF

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Publication number
EP0540496A1
EP0540496A1 EP92890229A EP92890229A EP0540496A1 EP 0540496 A1 EP0540496 A1 EP 0540496A1 EP 92890229 A EP92890229 A EP 92890229A EP 92890229 A EP92890229 A EP 92890229A EP 0540496 A1 EP0540496 A1 EP 0540496A1
Authority
EP
European Patent Office
Prior art keywords
cutting
tangential
knife
cut
cuts
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
EP92890229A
Other languages
German (de)
English (en)
Other versions
EP0540496B1 (fr
Inventor
Gottfried Dipl.-Ing. Blaimschein
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.)
GFM Gesellschaft fuer Fertigungstechnik und Maschinenbau AG
Original Assignee
GFM Gesellschaft fuer Fertigungstechnik und Maschinenbau 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 GFM Gesellschaft fuer Fertigungstechnik und Maschinenbau AG filed Critical GFM Gesellschaft fuer Fertigungstechnik und Maschinenbau AG
Publication of EP0540496A1 publication Critical patent/EP0540496A1/fr
Application granted granted Critical
Publication of EP0540496B1 publication Critical patent/EP0540496B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/006—Cutting work characterised by the nature of the cut made; Apparatus therefor specially adapted for cutting blocs of plastic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/08—Means for treating work or cutting member to facilitate cutting
    • B26D7/086—Means for treating work or cutting member to facilitate cutting by vibrating, e.g. ultrasonically
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S83/00—Cutting
    • Y10S83/956—Ultrasonic
    • 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
    • Y10T83/02—Other than completely through work thickness
    • Y10T83/0267—Splitting
    • 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
    • Y10T83/04—Processes
    • Y10T83/05—With reorientation of tool between cuts
    • 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
    • Y10T83/04—Processes
    • Y10T83/0524—Plural cutting steps
    • 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
    • Y10T83/04—Processes
    • Y10T83/0524—Plural cutting steps
    • Y10T83/0572—Plural cutting steps effect progressive cut
    • 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
    • Y10T83/97—Miscellaneous

Definitions

  • the invention relates to a method for producing spatial shaped pieces from large-pore material, in particular honeycomb, according to which a block of this material is trimmed with cuts of a certain cutting width that are guided alongside one another along tangential planes to the shaped piece surface to be produced, and to a cutting unit for carrying out this method.
  • the invention is therefore based on the object of eliminating this deficiency and of specifying a method of the type described at the outset which permits clean, mechanical production of the shaped pieces.
  • a cutting unit for the rational implementation of this method is to be created.
  • the invention solves this problem in that the block is cut before the tangential cutting or during the tangential cutting essentially along radial planes to the molding surface to the molding surface, the incisions of the length being approximately parallel to one another and in the area of the molding surface with one of the cutting widths Tangential cuts corresponding maximum distance from each other.
  • These radial incisions prepare the block, as it were, for the use of the tool for tangential cutting, since the paths formed by the incisions allow these tools to be guided properly along the respective tangential planes.
  • a cutting unit with a knife-equipped sonotrode or the like is therefore suitable for the efficient implementation of the method, the knife of which has a shaft part running in the direction of vibration and a cutting part attached to it and running transversely to the direction of vibration, both the shaft part and the cutting part forming cutting edges, so that this knife can be cut tangentially and radially at the same time.
  • the shape contours can be cut out directly from the existing block and while cutting a shape, the waste is immediately cut into strips.
  • the radial and tangential cuts could also each be made with a separate knife, which then allows radial and tangential cuts to be cut one after the other.
  • the cutting edge of the shaft part is set back in the cutting direction with respect to the cutting edge of the cutting part, the waste material is loosened from the remaining shaped part in some areas by the tangential cut due to the tangential cut before the radial cut takes place, so that when the waste is cut off, the strip pieces can be split laterally more easily and better knife guidance is achieved.
  • Expedient knife shapes result from the fact that the cutting part consists of an elongated knife plate seated centrally on the shaft part, the knife plate can also form bent ends, or that the cutting part consists of a disk with a circumferential cutting edge, the disk being circular, but also elliptical, kidney-shaped or the like.
  • these molded pieces F are cut out of a prefabricated block B of the molded piece material, for which purpose an ultrasonic cutting unit 1 with a knife-equipped sonotrode 2 is provided, which is rotated about two axes of rotation I, II normal to one another is rotatably adjustable mounted on a multi-axis controlled robot arm 3, not shown, whereby any feed movements that also follow a spatial section can be carried out.
  • the shaped piece F is cut out of the block B by cuts T of a certain cutting width which are guided alongside one another along tangential planes on the shaped piece surface to be produced, with incisions prior to tangential cutting or during tangential cutting essentially along radial planes to the shaped piece surface up to the shaped piece surface R are drawn, which run approximately parallel to each other and in the tangential cutting area with a maximum distance from each other corresponding to the tangential cutting width.
  • block B becomes the remaining one step by step while cutting out the molded part F. Cut off waste in the form of strip A.
  • the radial incisions R can be made with the aid of the ultrasonic cutting unit 1 and a conventional stitch knife, whereupon the tangential cuts T are then carried out with a special knife 4.
  • This knife 4 has a shaft part 5 running in the direction of oscillation and a transverse cutting part 6 attached to it at the end so that it can be guided along the radial incisions R with its shaft part 5 for the use of the cutting part 6 for the tangential cut T.
  • the cutting part 6 consists, as indicated in FIG. 2 for a knife 4a, of an elongated knife plate 6a attached centrally to the shaft part 5a, the ends 7 being able to be bent.
  • a knife 4b can also be used, which has a disk 6b attached centrally to the shaft part 5b as a cutting part, so that a knife can be cut in all directions.
  • the shaft parts 5a, 5b can also be provided with cutting edges 8, so that each of the knives 4a, 4b has a cutting edge running transversely to the direction of vibration, be it the longitudinal cutting edge 9a of the knife tip 6a or the all-round cutting edge 9b of the disk 6b, and has a cutting edge 8 of the shaft part 5a or 5b which extends in the direction of vibration and can make the desired cuts which are perpendicular to one another. If the shank cutting edge is set back in the cutting direction with respect to the cutting part cutting edge, as illustrated for the knife 4b, there are more favorable splitting effects during waste cutting and a more precise knife guidance is possible.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Knives (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Food-Manufacturing Devices (AREA)
  • Crushing And Pulverization Processes (AREA)
EP92890229A 1991-10-30 1992-10-28 Méthode et appareil pour le découpage de produits tridimensionnels dans bloc en matière avec larges pores Expired - Lifetime EP0540496B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT215691 1991-10-30
AT2156/91 1991-10-30

Publications (2)

Publication Number Publication Date
EP0540496A1 true EP0540496A1 (fr) 1993-05-05
EP0540496B1 EP0540496B1 (fr) 1996-02-28

Family

ID=3528962

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92890229A Expired - Lifetime EP0540496B1 (fr) 1991-10-30 1992-10-28 Méthode et appareil pour le découpage de produits tridimensionnels dans bloc en matière avec larges pores

Country Status (5)

Country Link
US (1) US5301587A (fr)
EP (1) EP0540496B1 (fr)
AT (1) ATE134556T1 (fr)
DE (1) DE59205467D1 (fr)
ES (1) ES2087509T3 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994022645A1 (fr) * 1993-04-02 1994-10-13 Rowenta-Werke Gmbh Dispositif tranchant comportant un oscillateur piezoelectrique
DE19630096A1 (de) * 1996-07-25 1998-01-29 Georg Geis Maschinenfabrik Vorrichtung zum räumlichen Schneiden von dünnwandigen Formteilen
DE19904050A1 (de) * 1999-02-02 2000-08-10 Huber & Grimme Bearbeitungssys Vorrichtung zum Schneiden von stoffüberzogenen Kunststoffteilen, sowie rotierende Klinge hierfür
EP1074338A2 (fr) * 1999-07-19 2001-02-07 Huber & Grimme Bearbeitungssysteme GmbH Système de guidage pour machine-outil ou robot multiaxial pour une pluralité d'outils
EP1935592A1 (fr) * 2006-12-19 2008-06-25 Dr. Wolf & Partner GmbH Ingenieurbüro für Lebensmitteltechnik Dispositif de coupe de produits alimentaires par ultrason et outils de coupe à ultrasons
US11260551B2 (en) 2018-10-01 2022-03-01 Gfm Gmbh Ultrasonic cutter

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6032561A (en) * 1997-09-18 2000-03-07 Colborne Corporation Apparatus for ultrasonic cutting of food products
US6070509A (en) * 1997-09-18 2000-06-06 Colbourne Corporation Method for ultrasonic cutting of food products
JP3469488B2 (ja) * 1999-01-21 2003-11-25 株式会社アルテクス 超音波振動切断装置
US7552203B2 (en) * 2001-10-17 2009-06-23 The Boeing Company Manufacturing method and software product for optimizing information flow
DE10337272A1 (de) * 2003-08-13 2005-03-10 Alpma Alpenland Masch Schneidvorrichtung
JP4890868B2 (ja) * 2006-01-18 2012-03-07 リンテック株式会社 シート切断装置及び切断方法
GB2451697A (en) * 2007-08-10 2009-02-11 Sigmala Ltd Adjustable slitting knife holder
JP5878299B2 (ja) * 2010-04-27 2016-03-08 株式会社アドウェルズ 超音波振動切断装置
ITBO20110737A1 (it) * 2011-12-20 2013-06-21 Giuseppe Gallucci Metodo per la recisione di pannelli e dispositivo per attuare tale metodo
CN104284761B (zh) * 2013-03-29 2017-07-25 日本碍子株式会社 蜂窝成型体的切断方法
NL2027426B1 (en) * 2021-01-26 2022-08-26 Boeing Co Edge trimming for moving-line fabrication of aircraft
EP4001129A1 (fr) 2020-11-18 2022-05-25 The Boeing Company Rognage des bords pour la fabrication d'aéronef en ligne mobile

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219245A (en) * 1988-06-03 1989-12-06 Rawson Francis F H Ultrasonic cutting
EP0410780A1 (fr) * 1989-07-28 1991-01-30 Company 'a' Foam Limited Procédé pour le façonnage de corps

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL106732C (fr) * 1955-03-08
US2825186A (en) * 1956-02-27 1958-03-04 Gulton Ind Inc Ultrasonic drill
US3999453A (en) * 1974-12-12 1976-12-28 Cavitron Corporation Ultrasonic cutting apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219245A (en) * 1988-06-03 1989-12-06 Rawson Francis F H Ultrasonic cutting
EP0410780A1 (fr) * 1989-07-28 1991-01-30 Company 'a' Foam Limited Procédé pour le façonnage de corps

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994022645A1 (fr) * 1993-04-02 1994-10-13 Rowenta-Werke Gmbh Dispositif tranchant comportant un oscillateur piezoelectrique
DE19630096A1 (de) * 1996-07-25 1998-01-29 Georg Geis Maschinenfabrik Vorrichtung zum räumlichen Schneiden von dünnwandigen Formteilen
DE19630096C2 (de) * 1996-07-25 1998-07-09 Georg Geis Maschinenfabrik Vorrichtung zum räumlichen Schneiden von dünnwandigen Formteilen
DE19904050A1 (de) * 1999-02-02 2000-08-10 Huber & Grimme Bearbeitungssys Vorrichtung zum Schneiden von stoffüberzogenen Kunststoffteilen, sowie rotierende Klinge hierfür
DE19904050C2 (de) * 1999-02-02 2001-09-20 Huber & Grimme Bearbeitungssys Vorrichtung zum Schneiden von stoffüberzogenen Kunststoffteilen, sowie rotierende Klinge hierfür
EP1074338A2 (fr) * 1999-07-19 2001-02-07 Huber & Grimme Bearbeitungssysteme GmbH Système de guidage pour machine-outil ou robot multiaxial pour une pluralité d'outils
EP1074338A3 (fr) * 1999-07-19 2001-10-17 Huber & Grimme Bearbeitungssysteme GmbH Système de guidage pour machine-outil ou robot multiaxial pour une pluralité d'outils
EP1935592A1 (fr) * 2006-12-19 2008-06-25 Dr. Wolf & Partner GmbH Ingenieurbüro für Lebensmitteltechnik Dispositif de coupe de produits alimentaires par ultrason et outils de coupe à ultrasons
US11260551B2 (en) 2018-10-01 2022-03-01 Gfm Gmbh Ultrasonic cutter

Also Published As

Publication number Publication date
US5301587A (en) 1994-04-12
EP0540496B1 (fr) 1996-02-28
DE59205467D1 (de) 1996-04-04
ATE134556T1 (de) 1996-03-15
ES2087509T3 (es) 1996-07-16

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