Processing

Please wait...

Settings

Settings

Goto Application

1. WO2020094560 - METHOD FOR CALCULATING OPTIMIZED MACHINE-READABLE CUTTING CURVES FOR A LASER CUTTING DEVICE

Publication Number WO/2020/094560
Publication Date 14.05.2020
International Application No. PCT/EP2019/080083
International Filing Date 04.11.2019
IPC
B23K 26/08 2014.01
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
26Working by laser beam, e.g. welding, cutting or boring
08Devices involving relative movement between laser beam and workpiece
B23K 26/38 2014.01
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
26Working by laser beam, e.g. welding, cutting or boring
36Removing material
38by boring or cutting
G05B 19/4093 2006.01
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
19Programme-control systems
02electric
18Numerical control (NC), i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
4093characterised by part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part programme, for the NC machine
CPC
B23K 26/0846
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
26Working by laser beam, e.g. welding, cutting or boring
08Devices involving relative movement between laser beam and workpiece
083Devices involving movement of the workpiece in at least one axial direction
0838by using an endless conveyor belt
0846for moving elongated workpieces longitudinally, e.g. wire or strip material
B23K 26/38
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
26Working by laser beam, e.g. welding, cutting or boring
36Removing material
38by boring or cutting
G05B 19/40937
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
19Programme-control systems
02electric
18Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
4093characterised by part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part programme, for the NC machine
40937concerning programming of machining or material parameters, pocket machining
G05B 2219/36199
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
2219Program-control systems
30Nc systems
36Nc in input of data, input key till input tape
36199Laser cutting
G05B 2219/45041
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
2219Program-control systems
30Nc systems
45Nc applications
45041Laser cutting
Applicants
  • SCHULER PRESSEN GMBH [DE]/[DE]
Inventors
  • GROSSE, Jan-Peter
  • SCHIEBER, Frank
Agents
  • DR. GASSNER & PARTNER MBB
Priority Data
10 2018 127 821.707.11.2018DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) VERFAHREN ZUM BERECHNEN OPTIMIERTER MASCHINENLESBARER SCHNEIDKURVEN FÜR EINE LASERSCHNEIDEINRICHTUNG
(EN) METHOD FOR CALCULATING OPTIMIZED MACHINE-READABLE CUTTING CURVES FOR A LASER CUTTING DEVICE
(FR) PROCÉDÉ DE CALCUL DE COURBES DE DÉCOUPE OPTIMISÉES ET LISIBLES PAR MACHINE POUR AU MOINS UN DISPOSITIF DE DÉCOUPE AU LASER
Abstract
(DE)
Die Erfindung betrifft ein Verfahren zum Berechnen optimierter maschinenlesbarer Schneidkurven für zumindest eine in einer Transportrichtung mitlaufend bewegbare Laserschneideinrichtung (L1, L2, L3), mit welcher Blechplatinen aus einem kontinuierlich in der Transportrichtung geförderten Blechband geschnitten werden, mit folgenden Schritten: Übergeben eines eine Konturlinie (K) der Blechplatine beschreibenden Datensatzes an einen mit einem Computerprogramm versehenen Computer, wobei mittels des Computerprogramms die folgenden Schritte durchgeführt werden: a) Berechnen zumindest einer zur Konturlinie (K, K1...K6, K1'...K6') korrespondierenden Schneidlinie (S1...S6) nach einem vorgegebenen ersten Algorithmus, b) Anzeigen der Konturlinie (K, K1...K6, K1'...K6') und/oder der Schneidlinie (S1...S6) mit deren Anfangs- (A1...A6) und Endpunkten (E1...E6), c) Berechnen zumindest einer maschinenlesbaren x(t)- und einer zeitlich dazu korrelierten maschinenlesbaren y(t)-Schneidkurve (M1, M2) für die Laserschneideinrichtung (L1, L2, L3) auf der Grundlage der Schneidlinie (S1...S6) nach einem vorgegebenen zweiten Algorithmus, d) Berechnen einer für das Schneiden entlang der Schneidkurven (M1, M2) erforderlichen Schneiddauer (T1, T2, T3) zur Herstellung einer Blechplatine, und e) Anzeige der Schneiddauer (T1, T2, T3) und/oder einer sich daraus ergebenden Herstellungsrate und/oder einer Transportgeschwindigkeit des Blechbands, wobei zur Optimierung der Schneidkurve (M1, M2) die folgenden weiteren Schritte durchgeführt werden: f) Ändern zumindest eines der folgenden Parameter: Anzahl der Anfangs- (A1...A6) und/oder Endpunkte (E1...E6), Lage der Anfangs- (A1...A6) und/oder Endpunkte (E1...E6), Verlauf der Schneidlinie (S1...S6), und nachfolgend g) Wiederholung der Schritte b) bis e).
(EN)
The invention relates to a method for calculating optimized machine-readable cutting curves for at least one laser cutting device (L1, L2, L3) jointly movable in a transport direction, by means of which sheet-metal blanks are cut from a sheet-metal strip conveyed continuously in the transport direction, comprising the following steps: transferring a data set describing a contour line (K) of the sheet-metal blank to a computer provided with a computer program, the following steps being carried out by means of the computer program: a) calculating at least one cutting line (S1...S6) corresponding to the contour line (K, K1...K6, K1'...K6') in accordance with a predefined first algorithm, b) displaying the contour line (K, K1...K6, K1'...K6') and/or the cutting line (S1...S6) with the starting (A1...A6) and end points (E1...E6) thereof, c) calculating at least one machine-readable x(t) cutting curve and one machine-readable y(t) cutting curve (M1, M2) for the laser cutting device (L1, L2, L3) on the basis of the cutting line (S1...S6) in accordance with a predefined second algorithm, said machine-readable y(t) cutting curve being temporally correlated with said machine-readable x(t) cutting curve, d) calculating a cutting duration (T1, T2, T3) for the production of a sheet-metal blank, which cutting duration is required for the cutting along the cutting curves (M1, M2), and e) displaying the cutting duration (T1, T2, T3) and/or a production rate resulting therefrom and/or a transport speed of the sheet-metal strip, the following additional steps being carried out in order to optimize the cutting curve (M1, M2): f) changing at least one of the following parameters: number of starting (A1...A6) and/or end points (E1...E6), position of the starting (A1...A6) and/or end points (E1...E6), course of the cutting line (S1...S6), and subsequently g) repeating steps b) to e).
(FR)
L'invention concerne un procédé de calcul de courbes de découpe optimisées et lisibles par machine pour au moins un dispositif de découpe au laser (L1, L2, L3) pouvant être déplacé en accompagnant le mouvement dans une direction de transport, avec lequel des flans de tôle sont découpés à partir d'une bande de tôle transportée en continu dans la direction de transport, le procédé comprenant les étapes suivantes : transfert d'un jeu de données décrivant une ligne de contour (K) du flan de tôle à un ordinateur doté d'un programme informatique, les étapes suivantes étant exécutées au moyen du programme informatique : a) calcul d'au moins une ligne de coupe (S1...S6) correspondant à la ligne de contour (K, K1...K6, K1'...K6') conformément à un premier algorithme prédéfini, b) affichage de la ligne de contour (K, K1...K6, K1'..K6') et/ou de la ligne de coupe (S1...S6) avec ses points de début (A1...A6) et de fin (E1... E6), c) calcul d'au moins une courbe de découpe x(t) lisible par machine et d'une courbe de découpe y(t) (M1, M2) lisible par machine corrélée dans le temps avec celle-ci pour le dispositif de découpe au laser (L1, L2, L3) sur la base de la ligne de coupe (S1... S6) conformément à un deuxième algorithme prédéfini, d) calcul d'une durée de découpe (T1, T2, T3) nécessaire pour la découpe le long des courbes de découpe (M1, M2) en vue de la fabrication d'un flan de tôle, et e) affichage de la durée de découpe (T1, T2, T3) et/ou d'une cadence de production qui en résulte et/ou d'une vitesse de transport de la bande de tôle, les étapes supplémentaires suivantes étant exécutées pour optimiser la courbe de découpe (M1, M2) : f) modification d'au moins l'un des paramètres suivants : nombre de points de début (A1...A6) et/ou de fin (E1...E6), position des points de début (A1...A6) et/ou de fin (E1...E6), tracé de la ligne de coupe (S1...S6), et ensuite g) répétition des étapes b) à e).
Also published as
Latest bibliographic data on file with the International Bureau