WO1995005264A1 - Procede de fabrication d'une machine rotative de decoupage a l'emporte-piece, et element pour une machine de ce type - Google Patents

Procede de fabrication d'une machine rotative de decoupage a l'emporte-piece, et element pour une machine de ce type Download PDF

Info

Publication number
WO1995005264A1
WO1995005264A1 PCT/SE1994/000752 SE9400752W WO9505264A1 WO 1995005264 A1 WO1995005264 A1 WO 1995005264A1 SE 9400752 W SE9400752 W SE 9400752W WO 9505264 A1 WO9505264 A1 WO 9505264A1
Authority
WO
WIPO (PCT)
Prior art keywords
drum
cutting
bridges
wooden
rotary die
Prior art date
Application number
PCT/SE1994/000752
Other languages
English (en)
Inventor
Per-Olof RÖNNGARD
Original Assignee
Stållinjestans Laserform Ab
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 Stållinjestans Laserform Ab filed Critical Stållinjestans Laserform Ab
Priority to DE4496063T priority Critical patent/DE4496063T1/de
Priority to AU75110/94A priority patent/AU7511094A/en
Publication of WO1995005264A1 publication Critical patent/WO1995005264A1/fr
Priority to DK012696A priority patent/DK171785B1/da
Priority to NO960555A priority patent/NO960555L/no

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
    • B23P15/40—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools shearing tools
    • B23P15/406—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools shearing tools rotary or plane die cutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/44—Cutters therefor; Dies therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/384—Cutting-out; Stamping-out using rotating drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/44—Cutters therefor; Dies therefor
    • B26F2001/4463—Methods and devices for rule setting, fixation, preparing cutting dies

Definitions

  • This invention relates to a method of manufacturing a rotary die cutting machine, as well as part of such a machine.
  • All cardboard cutting machines, flat die as well as rotary die cutting machines, are manufactured with a bridge system, the size of the bridges and their posi ⁇ tions on the drum being determined when the cutting machines are constructed. This is done in order to eli ⁇ minate the "jig-saw-puzzle effect", i.e. to make all the pieces of the drum stick together.
  • the bridges have a length of 8-10 mm.
  • the wooden drum is usually composed of two semi- cylindrical parts. It has, however, been found that not even laser-beam-cut grooves adjacent to the joint between these two parts are able to retain in reliable fashion the cutting rules extending in the circumferen ⁇ tial direction of the drum, probably because the stresses in the cut drum may act freely at the joint-defining edges of the drum parts. Thus, the cutting rules have shown a tendency to straighten out at the end of the groove curvature adjacent to these edges.
  • the object of the invention is to solve the above- mentioned problem.
  • Fig. 1 is a plan view of two drum halves
  • Fig. 2 is a perspective partial view of a drum half which is partly provided with cutting rules
  • Figs 2A and 2B are enlarged views of the components framed by dashed lines in Fig. 2.
  • Fig. 1 shows a wooden drum consisting of two drum halves 1.
  • the joint between the drum halves is designated 2.
  • the drum halves 1 are provided with a laser-beam-cut groove pattern 3 for cutting and scoring blanks for two four-point-glued trays of corrugated cardboard.
  • the groove pattern 3 is conventionally produced, such that 8-mm-long bridges 4 remain between the cuts or slits 5.
  • Cutting steel rules which have been provided with recesses for straddling the bridges 4, are inserted in the grooves 6 consisting of the bridges 4 and the cuts 5. According to the invention, those parts of the cir ⁇ cumferential grooves 6 that are located adjacent to the drum-half edges defining the joint 2 are broken, i.e.
  • a chain bridge 8 of 4-mm-long bridges 9 alter- nating with 4-mm-long cuts or slits 10, one such bridge 9 defining the edge of the drum halves.
  • an arcuately bent cutting rule 11 is completely inserted in a circumferential groove 6, and at the bottom of Fig. 2A, such a cutting rule 12 is but partly inserted in a circumferential groove 6.
  • the cut ⁇ ting rules 11, 12 are recessed at regular 4-mm intervals in the longitudinal direction so as to fit in the chain bridges 8.
  • the chain bridges 8 have a length of about 70-80 mm, but they may have any optional length, depend- ing on the design of the package and its placement on the die.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Laser Beam Processing (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

Demi-tambour en bois destiné à former une partie d'un tambour en bois utilisé dans une machine de découpage à l'emporte-pièce. La matrice de découpage (3) du demi-tambour (1) est obtenue par découpage au laser, et les rainures (6) découpées au laser s'étendent dans le sens circonférentiel du demi-tambour et comprennent une suite discontinue de parties pleines (8) à proximité des bords du demi-tambour. Selon le procédé de fabrication d'une machine de découpage à l'emporte-pièce, on réalise un découpage au laser afin de produire la suite discontinue de parties pleines dans laquelle des parties pleines en bois (9) longues de 4 mm environ sont alternées avec des parties évidées (10) longues de 4 mm environ.
PCT/SE1994/000752 1993-08-18 1994-08-18 Procede de fabrication d'une machine rotative de decoupage a l'emporte-piece, et element pour une machine de ce type WO1995005264A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE4496063T DE4496063T1 (de) 1993-08-18 1994-08-18 Verfahren zur Herstellung einer Drehformschneidmaschine sowie Bauteil einer solchen Maschine
AU75110/94A AU7511094A (en) 1993-08-18 1994-08-18 Method and manufacturing a rotary die cutting machine, and part of such a machine
DK012696A DK171785B1 (da) 1993-08-18 1996-02-08 Fremgangsmåde til fremstilling af en rotationsstansemaskine og del af en sådan maskine
NO960555A NO960555L (no) 1993-08-18 1996-02-13 Fremgangsmåte ved fremstilling av et rotasjonsstanseapparat, samt del til rotasjonsstanseapparat

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9302667A SE503327C2 (sv) 1993-08-18 1993-08-18 Sätt vid tillverkning av rotationsstans och del till en rotationsstans
SE9302667-2 1993-08-18

Publications (1)

Publication Number Publication Date
WO1995005264A1 true WO1995005264A1 (fr) 1995-02-23

Family

ID=20390818

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1994/000752 WO1995005264A1 (fr) 1993-08-18 1994-08-18 Procede de fabrication d'une machine rotative de decoupage a l'emporte-piece, et element pour une machine de ce type

Country Status (7)

Country Link
AU (1) AU7511094A (fr)
CA (1) CA2169658A1 (fr)
DE (1) DE4496063T1 (fr)
DK (1) DK171785B1 (fr)
NO (1) NO960555L (fr)
SE (1) SE503327C2 (fr)
WO (1) WO1995005264A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999003635A1 (fr) * 1997-07-18 1999-01-28 Lasercomb Laserkombinations-Systeme Gmbh Procede et dispositif pour la production d'une matrice

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1507262A (fr) * 1966-11-15 1967-12-29 Dispositif pour la découpe de feuilles en matériaux tels que par exemple carton et papier
US3383969A (en) * 1966-11-14 1968-05-21 Philip G. Saunders Steel rule cutting dies
GB1221539A (en) * 1967-05-24 1971-02-03 Roder And Spengler Offene Hand Rotary dies
GB1447461A (en) * 1974-01-29 1976-08-25 Deritend Eng Co Die-cutting -and like operations-
US4103580A (en) * 1972-12-26 1978-08-01 L.E. Sauer Machine Co. Die boards and method of producing cutting rule for same
GB2053743A (en) * 1979-07-18 1981-02-11 Marbach Gmbh Karl Strip steel punching tool
EP0396899A2 (fr) * 1989-04-14 1990-11-14 Bobst S.A. Cylindre-outil dans une machine rotative travaillant une matière en bande ou en plaque et procédé de réalisation
US5211084A (en) * 1981-09-08 1993-05-18 Ameritek, Inc. Method of making a steel rule die

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3383969A (en) * 1966-11-14 1968-05-21 Philip G. Saunders Steel rule cutting dies
FR1507262A (fr) * 1966-11-15 1967-12-29 Dispositif pour la découpe de feuilles en matériaux tels que par exemple carton et papier
GB1221539A (en) * 1967-05-24 1971-02-03 Roder And Spengler Offene Hand Rotary dies
US4103580A (en) * 1972-12-26 1978-08-01 L.E. Sauer Machine Co. Die boards and method of producing cutting rule for same
GB1447461A (en) * 1974-01-29 1976-08-25 Deritend Eng Co Die-cutting -and like operations-
GB2053743A (en) * 1979-07-18 1981-02-11 Marbach Gmbh Karl Strip steel punching tool
US5211084A (en) * 1981-09-08 1993-05-18 Ameritek, Inc. Method of making a steel rule die
EP0396899A2 (fr) * 1989-04-14 1990-11-14 Bobst S.A. Cylindre-outil dans une machine rotative travaillant une matière en bande ou en plaque et procédé de réalisation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999003635A1 (fr) * 1997-07-18 1999-01-28 Lasercomb Laserkombinations-Systeme Gmbh Procede et dispositif pour la production d'une matrice

Also Published As

Publication number Publication date
DE4496063T1 (de) 1996-08-22
DK171785B1 (da) 1997-05-26
SE9302667D0 (sv) 1993-08-18
DK12696A (da) 1996-02-08
CA2169658A1 (fr) 1995-02-23
SE503327C2 (sv) 1996-05-28
SE9302667L (sv) 1995-02-19
NO960555L (no) 1996-02-15
NO960555D0 (no) 1996-02-13
AU7511094A (en) 1995-03-14

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