EP0275909B2 - Schneidevorrichtung zum Längsschneiden von Folienbahnen - Google Patents

Schneidevorrichtung zum Längsschneiden von Folienbahnen Download PDF

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Publication number
EP0275909B2
EP0275909B2 EP88100371A EP88100371A EP0275909B2 EP 0275909 B2 EP0275909 B2 EP 0275909B2 EP 88100371 A EP88100371 A EP 88100371A EP 88100371 A EP88100371 A EP 88100371A EP 0275909 B2 EP0275909 B2 EP 0275909B2
Authority
EP
European Patent Office
Prior art keywords
cutting
knife
blades
disc
slot
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
Application number
EP88100371A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0275909B1 (de
EP0275909A1 (de
Inventor
Bernd Dr. Scholtysik
Josef Birkmann
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.)
Emtec Magnetics GmbH
Original Assignee
Emtec Magnetics 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6319262&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0275909(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Emtec Magnetics GmbH filed Critical Emtec Magnetics GmbH
Publication of EP0275909A1 publication Critical patent/EP0275909A1/de
Publication of EP0275909B1 publication Critical patent/EP0275909B1/de
Application granted granted Critical
Publication of EP0275909B2 publication Critical patent/EP0275909B2/de
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
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2614—Means for mounting the cutting member
    • B26D7/2621—Means for mounting the cutting member for circular cutters
    • 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
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/24—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with another disc cutter
    • 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
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628—Means for adjusting the position of the cutting member
    • B26D7/2635—Means for adjusting the position of the cutting member for circular cutters
    • 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
    • Y10S83/955—Cutter edge shiftable to present different portion of edge
    • 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
    • Y10T83/768—Rotatable disc tool pair or tool and carrier
    • Y10T83/7809—Tool pair comprises rotatable tools
    • Y10T83/783—Tool pair comprises contacting overlapped discs
    • Y10T83/7834—With means to effect axial pressure on pair
    • 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
    • Y10T83/929—Tool or tool with support
    • Y10T83/9372—Rotatable type
    • Y10T83/9403—Disc type

Definitions

  • the invention relates to a method for cutting film webs with abrasive layers.
  • Foil sheets, especially coated Sheets for photographic and magnetizable Materials are processed in a Sheet of narrow bands cut lengthways.
  • the circular knife cut most common. Circular, arranged on corresponding knife shafts Upper and lower knife together. It is an execution became known in which the circular Upper knife (disc knife) in the shoulder of a circular lower knife (grooved knife).
  • the circular Upper knife (disc knife) in the shoulder of a circular lower knife (grooved knife).
  • the cutting edges very heavily abraded, with advanced Use the disc knife in that Grooving knife digs in. If the edge wear increases, for example in the order of the film thickness, the knives begin to squeeze shut cut, which results in poor cut quality.
  • An improved cutter that provides significantly longer service life for the knives. is known from DE-A-24 05 849 .; It comprises several disk knives rotatably mounted on a shaft and a corresponding number of cylindrical grooving knives rotatably mounted on a shaft. In doing so, as can be seen from FIG. 1, a disc knife (1), which is connected to the cutting shoulder by a disc spring (4) (2) of a slot knife (3) is pressed, something deeper than the thickness of the cutting shoulder.
  • the disadvantage of this device is that by the progressive removal of the cutting shoulder of the slot knife the contact surface of the to be cut Foil web is getting smaller as the gap width (b) gets bigger and bigger, which causes the cut quality to suffer.
  • the contact pressure of the disc springs due to wear of the cutting shoulders during of the company are continuously adjusted.
  • a multiple cutting tool is shown schematically in FIG shown how to make it narrow ribbons made from a wide sheet of film is used.
  • the disc knife (1) and the grooving knife (3) are here at equal intervals on the Knife shafts (6) or (7) arranged, The disc knives (1) plunge with their circumference a groove (5) in the groove knives, each through the opposing surfaces of the Cutting school formed by two slot knives.
  • the grooving knives (3) are rigid with the knife shaft (6) connected.
  • the disc knives (1) on the upper knife shaft (7) and are stored by the disc springs (4) against the pitch reference surface the spacer rings (9) tensioned.
  • the division distance the spacer rings (9) corresponds to that Pitch of the grooving knife.
  • the disc springs (4) by other spring means be replaced.
  • the immersion depth of the disc knife in the Cutting shoulder (10, 11) of the grooving knife is 0.1 to 1 mm, preferably 0.3 to 0.5 mm.
  • the disc knife can have a rectangular cross section and have a thickness of about 0.5 mm.
  • other disc knife shapes possible, for example Slicing knife with a bevel on the of facing away from the cutting shoulder of the slot knife Side of the disc knife is attached.
  • the disc knife is made of hard metal, for example under the trade name Widia hard metal known from the Krupp company.
  • the grooving knife (3) are also made of hard metal. Have the grooving knife in the area of contact with the disc knife rectangular cross section and the thickness of the spacer rings between two slot knives (8) measures itself according to the width of the cut Tapes.
  • the thickness of the grooving knife and the spacer rings each about 2 mm.
  • the grooving knife (3) In the preparation of the grooving knife (3) becomes both cutting shoulders (10, 11) the grooving knife to a roughness depth of Rt ⁇ 0.2 ⁇ m, preferably 0.1 ⁇ m, ground.
  • the cylindrical The outer surface of the grooving knife is used by everyone Regrinding the grooving knife also to a roughness depth ground from Rt ⁇ 0.2 ⁇ m, two sharp Cutting edges (13, 14) are created on each grooving knife.
  • the grooving knife can be the one shown in FIG Have shape, in which case no spacer rings are required, rather determines the route (h) the gap width.
  • the difference between that shown in Figure 4 Grooving knife shape compared to known Similar slot knives is that here two Side surfaces (10 ', 11') with high surface quality are present, which means regrinding two sharp cutting edges of the grooving knife are created, what the double use of the slot knife shaft enables.
  • Figure 5 shows an example of this, the here Width of two segments of the slot knife shaft corresponds. In this case, everyone to be cut lies Strip on two lateral surfaces of the grooving knife.
  • the slot knife shaft used four times for each regrind be within the distance of the Bandwidth four cutting schools of the slot knife shaft can be used.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nonmetal Cutting Devices (AREA)
  • Shearing Machines (AREA)
EP88100371A 1987-01-22 1988-01-13 Schneidevorrichtung zum Längsschneiden von Folienbahnen Expired - Lifetime EP0275909B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3701716 1987-01-22
DE3701716A DE3701716C3 (de) 1987-01-22 1987-01-22 Verfahren zum Schneiden von Magnetbändern

Publications (3)

Publication Number Publication Date
EP0275909A1 EP0275909A1 (de) 1988-07-27
EP0275909B1 EP0275909B1 (de) 1991-04-03
EP0275909B2 true EP0275909B2 (de) 1998-06-03

Family

ID=6319262

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88100371A Expired - Lifetime EP0275909B2 (de) 1987-01-22 1988-01-13 Schneidevorrichtung zum Längsschneiden von Folienbahnen

Country Status (5)

Country Link
US (1) US5085110A (enrdf_load_stackoverflow)
EP (1) EP0275909B2 (enrdf_load_stackoverflow)
JP (1) JPH06318B2 (enrdf_load_stackoverflow)
KR (1) KR930009108B1 (enrdf_load_stackoverflow)
DE (2) DE3701716C3 (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3908451A1 (de) * 1989-03-15 1990-09-20 Agfa Gevaert Ag Schneide- und wickelvorrichtung fuer folienstreifen
JPH0639914Y2 (ja) * 1989-03-31 1994-10-19 三菱マテリアル株式会社 ロータリーナイフ
AT397481B (de) * 1990-02-21 1994-04-25 Boehler Ybbstalwerke Kreismesserschere
DE29511247U1 (de) * 1995-07-12 1996-08-14 EMTEC Magnetics GmbH, 67059 Ludwigshafen Kobalt-Bindemetall-Legierung für Hartmetall-Legierungen für Hartmetall-Werkzeuge, insbesondere Schneidwerkzeuge, und Hartmetall-Werkzeuge damit
US6536320B2 (en) * 1998-11-19 2003-03-25 Eastman Kodak Company Slitter cutting element and method of making same
JP3440888B2 (ja) * 1999-06-21 2003-08-25 株式会社村田製作所 ダイシングブレード及び電子部品の製造方法
DE10111112B4 (de) * 2001-03-08 2005-12-22 Vaw Aluminium Ag Untermesserwelle für eine Rollenschneidmaschine
US6996070B2 (en) * 2003-12-05 2006-02-07 Alacritech, Inc. TCP/IP offload device with reduced sequential processing
JP5722986B1 (ja) * 2013-12-27 2015-05-27 株式会社ブリヂストン 重荷重用空気入りタイヤ
KR102196059B1 (ko) * 2020-06-05 2020-12-29 이석현 진단 킷용 스트립 절단 장치
KR102220231B1 (ko) 2020-08-28 2021-02-24 이석현 진단 시약지용 스트립 절단 장치

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US164920A (en) * 1875-06-29 Improvement in rotary paper-cutters
DE305586C (enrdf_load_stackoverflow) *
AT76978B (de) * 1917-02-05 1919-06-25 Ferd Emil Jagenberg Fa Messeranordnung für Rollenschneidvorrichtungen.
US1673336A (en) * 1927-05-09 1928-06-12 Oscar E Lehmicke Machine for shredding materials
US2006106A (en) * 1933-08-24 1935-06-25 Muller J C & Co Knife mounting for machines
GB454623A (en) * 1934-03-27 1936-09-28 Eduard Quester Improvements in or relating to cutting devices
DE1878280U (de) * 1963-03-27 1963-08-22 Elsa Doering Schnittrenner fuer rollenschneidmaschinen fuer papier od. dgl.
US3185010A (en) * 1963-06-03 1965-05-25 Diamond Int Corp Slitting mechanism for endless web material
US3286574A (en) * 1964-04-22 1966-11-22 Durand Auguste Paul Paper slitting apparatus
US3465631A (en) * 1966-10-06 1969-09-09 Beloit Eastern Corp Self-sharpening slitter
DE2304092A1 (de) * 1973-01-27 1974-08-01 Goebel Gmbh Maschf Einrichtung zum laengsschneiden schmaler streifen
DE2405849C2 (de) * 1974-02-07 1984-10-31 Agfa-Gevaert Ag, 5090 Leverkusen Schneidevorrichtung zum Längsschneiden von Folienbahnen
JPS5111084U (enrdf_load_stackoverflow) * 1974-07-10 1976-01-27
JPS5175816A (ja) * 1974-12-25 1976-06-30 Shin Meiwa Ind Co Ltd Sharyonohaikikansochi
JPS6210075Y2 (enrdf_load_stackoverflow) * 1977-02-26 1987-03-09
DE2846747B1 (de) * 1978-10-27 1980-03-27 Dienes Werke Praezisions-Streifenschneidmaschine
US4330092A (en) * 1979-12-07 1982-05-18 The Perkin-Elmer Corporation In-line shredder apparatus
US4428265A (en) * 1981-10-22 1984-01-31 Industrial Tools Inc. Tape slitter axial loading system
JPS5915800A (ja) * 1982-07-19 1984-01-26 Kurita Water Ind Ltd フアウリング防止装置
US4548117A (en) * 1983-03-25 1985-10-22 Beloit Corporation Non-dulling slitter
US4643058A (en) * 1984-05-10 1987-02-17 Allied Corporation Floating gang rotary slitting device and method

Also Published As

Publication number Publication date
JPS63212494A (ja) 1988-09-05
DE3701716C2 (enrdf_load_stackoverflow) 1990-10-11
EP0275909B1 (de) 1991-04-03
KR930009108B1 (ko) 1993-09-23
EP0275909A1 (de) 1988-07-27
DE3862195D1 (de) 1991-05-08
US5085110A (en) 1992-02-04
JPH06318B2 (ja) 1994-01-05
DE3701716C3 (de) 1996-06-20
DE3701716A1 (de) 1988-08-04
KR880008863A (ko) 1988-09-13

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