EP2338653B1 - dispositif de découpage au jet de fluid - Google Patents

dispositif de découpage au jet de fluid Download PDF

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Publication number
EP2338653B1
EP2338653B1 EP20100405237 EP10405237A EP2338653B1 EP 2338653 B1 EP2338653 B1 EP 2338653B1 EP 20100405237 EP20100405237 EP 20100405237 EP 10405237 A EP10405237 A EP 10405237A EP 2338653 B1 EP2338653 B1 EP 2338653B1
Authority
EP
European Patent Office
Prior art keywords
workpiece
support
catch basin
workpiece support
fluid jet
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.)
Active
Application number
EP20100405237
Other languages
German (de)
English (en)
Other versions
EP2338653A1 (fr
Inventor
Walter Maurer
Franz Helmhart
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.)
Micromachining AG
Original Assignee
Micromachining 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 Micromachining AG filed Critical Micromachining AG
Publication of EP2338653A1 publication Critical patent/EP2338653A1/fr
Application granted granted Critical
Publication of EP2338653B1 publication Critical patent/EP2338653B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • B26F3/004—Severing by means other than cutting; Apparatus therefor by means of a fluid jet
    • B26F3/008—Energy dissipating devices therefor, e.g. catchers; Supporting beds therefor
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • B26F3/004—Severing by means other than cutting; Apparatus therefor by means of a fluid jet
    • 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
    • Y10T83/364—By fluid blast and/or suction

Definitions

  • the invention relates to a processing device for processing a workpiece by means of at least one liquid jet according to the preamble of claim 1.
  • the processing device In operation, the processing device generates a liquid jet, e.g. B. a jet of water, which penetrates a material to be cut and thus separates this into two or more parts. After the penetration of the material, the liquid jet has a certain residual energy, which is degraded in a usually filled with water catch basin (also called “jet catcher").
  • a liquid jet e.g. B. a jet of water
  • Fig. 5 shows such a known device with a frame 10 ', to which the catch basin 29' and the workpiece support 20 'for a workpiece 21' are attached. Due to this construction, the vibrations generated by the catch basin 29 'are transmitted via the frame 10' to the workpiece support 20 'and finally to the workpiece 21'. As a result, a precise machining of the workpiece 21 'is made more difficult.
  • the catch basin is arranged free-standing with respect to the workpiece support. Due to this decoupled arrangement transfers of vibrations of the catch basin can be prevented on the workpiece support. As a result, a workpiece is machined more accurately.
  • FIGS. 1 and 2 show, the processing device on a carrier 10 in the form of a first frame, which stands on support feet 10a on the ground. These have holes to screw the first frame 10 to the ground.
  • a cutting head 12 is arranged, which is movable transversely to the bridge 11 and thus movable in the plane. Further, the cutting head 12 is movable vertically to this plane, so that it is movable in three independent axes.
  • the processing device is equipped with the usual components to a liquid jet, z. B. to produce a water jet, which separates a material layer along a contour at the exit from the cutting head 12.
  • the processing device comprises a workpiece support 20 on which a workpiece 21 to be machined rests.
  • the workpiece support 20 is provided in the inner region with a recess 20a and thus forms a frame on which the workpiece 21 rests on the edge.
  • the processing device is provided with holding means 22 for holding the workpiece 21.
  • the holding means 22 are z. B. formed as terminals, by means of which the workpiece 21 is pressed against the workpiece support 20.
  • a sump 29 is arranged within the first frame 10.
  • This comprises a second frame 30 which stands on feet 30a on the ground. These have holes to screw the second frame 30 to the ground.
  • the feet 30a of the second frame 30 and the support feet 10a of the first frame 10 may be provided with damping elements, so that vibrations between the frame 30 or 10 and the floor are not or only in muted mass transferable.
  • the sump 29 has a sufficient depth to efficiently reduce the residual energy which the liquid jet has after penetrating the workpiece 21 to be cut.
  • the second frame 30 is closed at its four side walls as well as at the bottom with a metal plate 31, so that an open-topped container is formed.
  • the side walls 31 of the collecting basin 29 extend beyond the level at which the workpiece support 20 is located.
  • the catch basin 29 can be filled with water up to the workpiece 21. The liquid jet therefore dips directly into the water as it emerges from the bottom of the workpiece 21.
  • Fig. 4 Like the detail view in Fig. 4 shows, two opposite side walls 31 of the collecting basin 29 are provided with through holes 32, through which each a fastener 40 protrudes.
  • the diameter of the passage opening 32 is sufficiently large, so that the respective fastener 40 does not touch the side wall 31 of the catch basin 29, even then, if in operation catch basin 29 and support 10 oscillate relative to each other.
  • the respective fastening element 40 is designed in the form of a bolt, at the inner end of which a bearing surface 40a is formed and at the outer end of which a flange 40b is arranged.
  • the workpiece support 20 rests on the support surface 40a and is connected thereto by means of a releasable connection 41, z. B. a screw connection connected.
  • the outer end of the bolt 40 is passed through an opening in the first frame 10 and secured thereto via the flange 40b.
  • the passage opening 32 is surrounded by a pipe section 33 which is fixed to the side wall 31 of the catch basin 29.
  • a seal 35 in the form of a z. B. made of rubber cuff is provided, which encloses the end of the pipe section 33 and the bolt 40.
  • the sump 29 and the unit of components 10, 11, 12, 20, 22 are placed separately from each other and - if necessary - attached to the ground.
  • the sump 29 is filled with water.
  • the workpiece 21 rests on the workpiece support 20 and is fixed by means of the holding means 22.
  • the contour, along which the workpiece 21 is divided, lies within the recess 20 a of the workpiece support 20, so that the liquid jet, when it exits from the underside of the workpiece 21, unhindered by the Workpiece support 20 pass and can propagate in the water of the catch basin 29.
  • the residual energy of the liquid jet is absorbed, which can lead to vibrations of the collecting basin 29.
  • the actual processing device with the carrier 10 and the movable cutting head 12 forms together with the fixedly connected workpiece support 20 a separate unit which is arranged decoupled from the catch basin 29.
  • the catch basin 29 is therefore arranged free-standing with respect to the workpiece support 20.
  • the seals 35 between the two racks 10 and 30 prevents water from passing through the through-holes 32 to the outside.
  • the decoupling of collection jaws 29 and workpiece support 20 can be used for various types of processing by means of liquid jet to achieve a precise machining, z.
  • abrasive cutting in which abrasive particles are added to the water, and / or for cutting by means of other types of liquids.
  • z. B. baffles or the like may be installed in order to reduce the residual energy of the liquid jet in a more efficient manner.

Claims (12)

  1. Dispositif d'usinage pour usiner une pièce (21) au moyen d'au moins un jet fluide, comprenant
    un support de pièce (20) et
    un bac collecteur (29) pour la dissipation de l'énergie que présente ledit au moins un jet fluide après avoir transpercé la pièce (21), où
    le bac collecteur (29) est agencé de manière autonome par rapport au support de pièce (20) afin d'éviter la transmission de vibrations du bac collecteur vers le support de pièce, caractérisé en ce que
    le bac collecteur (29) comporte des parois latérales (31) qui dépassent du niveau auquel se trouve le support de pièce (20), de sorte que le bac collecteur (29) puisse être rempli d'eau jusqu'à la pièce (21).
  2. Dispositif selon la revendication 1, avec un support (10) sur lequel est déplaçable une tête de coupe (12) de laquelle est émis le jet fluide pendant l'usinage, le support de pièce (20) étant fixé au support (10), et la tête de coupe (12) étant préférablement déplaçable selon au moins trois axes indépendants.
  3. Dispositif selon la revendication 2, où pour être échangé, le support de pièce (20) est relié au support (10) de manière amovible, préférablement au moyen d'une fixation par vis (41).
  4. Dispositif selon l'une des revendications 2 à 3, où le support (10) comprend un châssis avec des pieds (10a).
  5. Dispositif selon l'une des revendications 2 à 4, comprenant des éléments de fixation (40) fixés au support (10) sur lesquels le support de pièce (20) repose.
  6. Dispositif selon l'une des revendications 2 à 5, où le bac collecteur (29) présente des ouvertures (32) par lesquelles les éléments de fixation (40) passent.
  7. Dispositif selon la revendication 6, comprenant des joints (35) pour étancher les ouvertures (32).
  8. Dispositif selon l'une des revendications 5 à 7, où chaque élément de fixation (40) comprend un boulon pourvu d'une surface d'appui (40a) pour le support de pièce (20) et/ou un flasque (40b) pour sa fixation au support (10).
  9. Dispositif selon l'une des revendications précédentes, où le bac collecteur (29) comprend un châssis (30) avec des pieds (30a) qui est muni de parois latérales (31) et d'un fond.
  10. Dispositif selon l'une des revendications précédentes, comprenant des moyens de retenue (22) pour la fixation amovible de la pièce (21) sur le support de pièce (20).
  11. Dispositif selon l'une des revendications précédentes où ledit au moins un jet fluide est déplaçable pour le découpage le long d'un contour, le support de pièce (20) étant conçu de sorte que la pièce (21) soit retenue de manière stationnaire pendant la coupe au moyen du jet fluide.
  12. Utilisation d'un dispositif selon l'une des revendications précédentes pour l'usinage d'une pièce (21).
EP20100405237 2009-12-17 2010-12-14 dispositif de découpage au jet de fluid Active EP2338653B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01936/09A CH702452A1 (de) 2009-12-17 2009-12-17 Bearbeitungsvorrichtung zum Bearbeiten eines Werkstücks mittels mindestens eines Flüssigkeitsstrahls.

Publications (2)

Publication Number Publication Date
EP2338653A1 EP2338653A1 (fr) 2011-06-29
EP2338653B1 true EP2338653B1 (fr) 2012-11-14

Family

ID=42062262

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100405237 Active EP2338653B1 (fr) 2009-12-17 2010-12-14 dispositif de découpage au jet de fluid

Country Status (3)

Country Link
US (1) US10391666B2 (fr)
EP (1) EP2338653B1 (fr)
CH (1) CH702452A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3391996A1 (fr) 2017-04-21 2018-10-24 Microwaterjet AG Procédé et dispositif de traitement d'une pièce à usiner au moyen d'un jet de liquide abrasif

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103029163B (zh) * 2012-12-27 2016-01-13 广州华臻机械设备有限公司 大型分体式龙门水刀切割平台
CN105437086B (zh) * 2015-12-21 2017-06-06 佛山市永盛达机械有限公司 一种水刀切割机用阻尼器
CN113245768B (zh) * 2021-07-15 2021-09-28 广东寻米科技有限公司 一种双工位板材切割机器人及其工作方法

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
US4204448A (en) * 1978-11-13 1980-05-27 Gerber Garment Technology, Inc. Fluid jet cutting apparatus having self-healing bed
US4656791A (en) * 1984-09-27 1987-04-14 Libbey-Owens-Ford Company Abrasive fluid jet cutting support
DE8518255U1 (de) * 1985-06-24 1985-09-26 Ditzel Werkzeug- und Maschinenfabrik GmbH, 6369 Schöneck Stütz- und Transportvorrichtung für flächige Werkstücke
US5003729A (en) * 1988-10-11 1991-04-02 Ppg Industries, Inc. Support system for abrasive jet cutting
US5349788A (en) * 1992-10-17 1994-09-27 Saechsishe Werkzeug Und Sondermaschinen Gmbh Apparatus for catching residual water jet in water jet cutting apparatus
US5472367A (en) * 1993-10-07 1995-12-05 Omax Corporation Machine tool apparatus and linear motion track therefor
US5782673A (en) * 1996-08-27 1998-07-21 Warehime; Kevin S. Fluid jet cutting and shaping system and method of using
EP0927597B1 (fr) * 1997-11-03 2000-09-06 RAINER S.r.l. Dispositif pour couper des plaques métalliques et des choses semblables
SG121700A1 (en) * 2001-12-28 2006-05-26 Jetsis Int Pte Ltd A method and related apparatus for cutting a product from a sheet material
JP4623710B2 (ja) * 2003-09-05 2011-02-02 衛 光石 曲面加工方法
JP4473599B2 (ja) * 2004-02-23 2010-06-02 株式会社ディスコ ウォータージェット加工装置
JP2009083022A (ja) * 2007-09-28 2009-04-23 Sugino Mach Ltd 噴流加工装置、および噴流加工装置における原点補正方法
WO2009102767A2 (fr) * 2008-02-11 2009-08-20 Fanuc Robotics America, Inc. Procédé de commande d'un robot pour la création d'une petite forme

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3391996A1 (fr) 2017-04-21 2018-10-24 Microwaterjet AG Procédé et dispositif de traitement d'une pièce à usiner au moyen d'un jet de liquide abrasif

Also Published As

Publication number Publication date
EP2338653A1 (fr) 2011-06-29
CH702452A1 (de) 2011-06-30
US20110146467A1 (en) 2011-06-23
US10391666B2 (en) 2019-08-27

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