EP0181431A2 - Procédé pour le découpage par sciage des pièces à travailler - Google Patents

Procédé pour le découpage par sciage des pièces à travailler Download PDF

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Publication number
EP0181431A2
EP0181431A2 EP85106483A EP85106483A EP0181431A2 EP 0181431 A2 EP0181431 A2 EP 0181431A2 EP 85106483 A EP85106483 A EP 85106483A EP 85106483 A EP85106483 A EP 85106483A EP 0181431 A2 EP0181431 A2 EP 0181431A2
Authority
EP
European Patent Office
Prior art keywords
circular saw
workpiece
saw blade
sawing
sawn
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.)
Withdrawn
Application number
EP85106483A
Other languages
German (de)
English (en)
Other versions
EP0181431A3 (fr
Inventor
Siegfried Thiele
Horst Kettig
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.)
Wilhelm Altendorf GmbH and Co KG
Original Assignee
Wilhelm Altendorf GmbH and Co KG
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 Wilhelm Altendorf GmbH and Co KG filed Critical Wilhelm Altendorf GmbH and Co KG
Publication of EP0181431A2 publication Critical patent/EP0181431A2/fr
Publication of EP0181431A3 publication Critical patent/EP0181431A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
    • B27G19/10—Measures preventing splintering of sawn portions of wood

Definitions

  • the invention relates to a method for separating sawing of workpieces with two outer edges lying opposite one another in the separating direction, in particular for cross cutting of coated wooden panels with at least one longitudinal edge which is very rounded in cross section.
  • the invention is based on the object of specifying a sawing method with the aid of which the cutting edges can be torn out, in particular also in the area of preformed longitudinal edges of panels or profile edges.
  • This object is achieved in that the workpiece is first sawn from one side over its entire thickness, but over a depth that only slightly exceeds the outer edge area, and then from the other side - in line with the saw cut - sawn through. In this way it is avoided that the saw cut in the endangered longitudinal edge area is carried out to a certain extent out of the plate, which - as has been established - encouraged tearing out.
  • this method can be particularly advantageously realized when working with two aligned circular saw blades which are so driven in opposite directions, are that in the sawing mfangsvektoren their U opposite to each other and thereby the saw blades a the feed path of the workpiece defining the table plane Push through with a selectable effective height, and proceed in such a way that the workpiece is first advanced against the fully extended second circular saw blade when the first circular saw blade is below the table level and a partial cut of limited length (in the direction of the workpiece depth) is made that penetrates the entire workpiece thickness;
  • the drawing figures show a schematic side view of the arrangement of a main saw blade 1 ("first circular saw blade”) and a scoring saw blade 2 ("second circular saw blade”) on a sliding table saw.
  • first circular saw blade a main saw blade 1
  • second circular saw blade a scoring saw blade 2
  • the workpiece 5 is advanced in the direction indicated by an arrow 6 using a slide 4.
  • the main saw blade 1 and the scoring saw blade 2 are pneumatically adjustable in height; the scoring saw blade 2 swivels about the axis 7.
  • the arrows on the images of the circular saw blades indicate their direction of rotation, the arrows on the outside indicate the direction of adjustment of the circular saw blades 1, 2.
  • the main saw blade 1 is extended upwards (more or less fully) (arrow 11), while the scoring saw blade 2 is only lifted into its scoring position, which does not exceed the table level 3; this is indicated by the stop 9 on arrow 8.
  • the workpiece 5 is advanced according to arrow 6 in Figure 4 (to the left in the drawing).
  • both saw blades 1, 2 are again lowered below the table level 3, so that the workpiece 5 can be removed and exchanged for another one.
  • the movements of the circular saw blades 1, 2 described above are preferably carried out pneumatically and are each controlled by adjustable limit switches in the feed path of the workpiece. Both circular saw blades 1, 2 (lying in the same plane) have the same thickness; the scoring saw blade has an unusually large diameter that comes close to that of the main saw blade 1.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)
EP85106483A 1984-10-27 1985-05-25 Procédé pour le découpage par sciage des pièces à travailler Withdrawn EP0181431A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3439443 1984-10-27
DE19843439443 DE3439443A1 (de) 1984-10-27 1984-10-27 Verfahren zum trennenden saegen von werkstuecken

Publications (2)

Publication Number Publication Date
EP0181431A2 true EP0181431A2 (fr) 1986-05-21
EP0181431A3 EP0181431A3 (fr) 1987-12-02

Family

ID=6248950

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85106483A Withdrawn EP0181431A3 (fr) 1984-10-27 1985-05-25 Procédé pour le découpage par sciage des pièces à travailler

Country Status (3)

Country Link
EP (1) EP0181431A3 (fr)
AU (1) AU4856285A (fr)
DE (1) DE3439443A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2190626A (en) * 1986-05-21 1987-11-25 Bmsm Limited Wood shaping machine and process
AU586366B2 (en) * 1987-04-16 1989-07-06 Frank James Ogden Improvements to travelling wood cutting circular saws
EP0395617A3 (fr) * 1989-04-28 1991-02-06 Machinebouw Constant Philips N.V. Méthode de sciage et machine à scier utilisant cette méthode et comportant une scie mobile de prérainurage
ES2228254A1 (es) * 2003-05-21 2005-04-01 Ortza, S. Coop. Sistema de corte de tableros postformados.

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1223793A (fr) * 1986-06-23 1987-07-07 Jacques Ducharme Scie a saigner

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH567916A5 (fr) * 1973-09-07 1975-10-15 Giroud Olma Ag
AT349200B (de) * 1975-02-05 1979-03-26 Schelling & Co Einrichtung zum trennen von vierseitig beschichteten moebelbauplatten
CH603324A5 (fr) * 1975-08-15 1978-08-15 Heid Hans Ag
DE2740673A1 (de) * 1976-09-20 1978-03-23 Giben Impianti Spa Kreissaegemaschine fuer platten, plattenpakete o.dgl.
DE2820539C2 (de) * 1978-05-11 1982-05-13 C.F. Scheer & Cie Gmbh & Co, 7000 Stuttgart Verfahren zum Durchtrennen von Plattenmaterial sowie Einrichtung zur Durchführung dieses Verfahrens

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2190626A (en) * 1986-05-21 1987-11-25 Bmsm Limited Wood shaping machine and process
GB2190626B (en) * 1986-05-21 1990-03-21 Bmsm Limited Wood shaping machine and process
AU586366B2 (en) * 1987-04-16 1989-07-06 Frank James Ogden Improvements to travelling wood cutting circular saws
EP0395617A3 (fr) * 1989-04-28 1991-02-06 Machinebouw Constant Philips N.V. Méthode de sciage et machine à scier utilisant cette méthode et comportant une scie mobile de prérainurage
ES2228254A1 (es) * 2003-05-21 2005-04-01 Ortza, S. Coop. Sistema de corte de tableros postformados.

Also Published As

Publication number Publication date
EP0181431A3 (fr) 1987-12-02
DE3439443A1 (de) 1986-04-30
AU4856285A (en) 1986-05-01

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Inventor name: KETTIG, HORST