摘要:
[Object] To more appropriately set a return amount of a feed motor in order to release a remaining stress after a machine emergently stops due to a collision of a movement headstock or a tool post of a machine tool, an arm or a hand or a loader or unloader, or the other movement units with respect to the other member. [Solving Means] A collision stress releasing device 2 reversely rotates a feed motor 5 by a return amount set in a return amount setter 22 based on a contact position of a movement unit 4 or a collision detection position regarded as a contact position. Generally, a large error does not occur even when the collision detection position is regarded as the contact position, but when the movement unit 4 or the colliding member has low rigidity, a control of setting a return amount in response to the speed of the movement unit 4 or a control of estimating an actual contact position from a rise curve of a load after a collision is more desirable.
摘要:
An interference determination method for machine tools which determines whether or not there will be interference between elements that move relative to each other, the method including: a setting procedure for setting a machine tool model (MA) obtained by combining the shape model (M) of each of the elements including a work model (M1) corresponding to the work (W); a measurement procedure for measuring the position of the work (W) attached to the work attachment part (4); a correction procedure for acquiring, at a predetermined timing, the position of the work (W) measured in the measurement procedure, and correcting the machine tool model (MA) set in the setting procedure; and a determination procedure for determining whether or not there will be interference between the elements on the basis of the machine tool model (MA') corrected in the correction procedure.
摘要:
The present invention relates to a machining device for machining workpieces. These workpieces can, purely by way of example, be workpieces made of wood, wood materials, plastic or the like. The machine tool comprises a machine bed (10) and a machining unit (20) which is movable along the machine bed (10) and in the housing (21) of which a machining assembly (25) is provided, and at least one sensor (30a, 30b, 30c, 30d; 40) attached to the housing (21) of the machining unit, said sensor being intended to monitor a travel movement of the machining unit (20), wherein an operating element (50a, 50b, 50c) is provided on the housing (21) of the movable machining unit in order to input an operating command, in particular a start or stop command, for the machining unit (20).
摘要:
Bei einer Vorrichtung zum Schutz einer Arbeitsspindel (2), die in einem Spindelkopf (4A, 4B) einer Bearbeitungsmaschine drehbar gelagert ist, und/oder eines in der Arbeitsspindel (2) gespannten Werkzeugs (3) gegen Kollisionen mit Hindernissen im Bearbeitungsraum (1) der Bearbeitungsmaschine sind an oder in einer Spindelnase (4B), welche den Abschluss des Spindelkopfes (4A, 4B) zum Bearbeitungsraum (1) hin bildet, eine Vielzahl von Abstandssensormodulen (6) in einer Ausrichtung auf den Bearbeitungsraum (1) angeordnet und mit einer gemeinsamen Signalverarbeitungseinrichtung (8) verbunden. Diese leitet aus den von den einzelnen Abstandssensormodulen (6) abgegebenen Messsignalen bei Vorhandensein eines Hindernisses in einem vorbestimmten Bereich des Bearbeitungsraumes (1) ein Warnsignal ab. Ein Ausgang (15) der Signalverarbeitungseinrichtung, an dem das Warnsignal ausgegeben wird, ist mit der Maschinensteuerung (16) der Bearbeitungsmaschine verbunden. Die Abstandssensormodule (6) sind vorzugsweise Radar- oder Ultraschallsensormodule.
摘要:
[Object] To more appropriately set a return amount of a feed motor in order to release a remaining stress after a machine emergently stops due to a collision of a movement headstock or a tool post of a machine tool, an arm or a hand or a loader or unloader, or the other movement units with respect to the other member. [Solving Means] A collision stress releasing device 2 reversely rotates a feed motor 5 by a return amount set in a return amount setter 22 based on a contact position of a movement unit 4 or a collision detection position regarded as a contact position. Generally, a large error does not occur even when the collision detection position is regarded as the contact position, but when the movement unit 4 or the colliding member has low rigidity, a control of setting a return amount in response to the speed of the movement unit 4 or a control of estimating an actual contact position from a rise curve of a load after a collision is more desirable.
摘要:
Crash prevention device (1) for machine tools (2), preventing the collision of a moving part (3, 4, 10, 19) of the machine tool (2), preferably the a tool (3) or the machining head (19), with other machine tool parts (6, 7) or with a workpiece (5) allocated in the working area (8) of the machine tool (2) during a movement of the moving part (3, 4, 10, 19). According to the invention, a high voltage is applied between the electrical isolated moving part (3, 4, 10, 19) and other machine tool parts (6, 7) or with the workpiece (5) allocated in the working area (8). The inventive crash prevention device (1) includes an discharge detection means (15) which can detect electrical discharges (16) occurring between the monitored moving part (3, 4, 10, 19) and the workpiece (5) or other electrical conductive machine elements (6, 7) and signalize to the machine controller (17) of the machine tool (2) to stop or adapt the further movement of the moving part (3, 4, 10, 19). An imminent crash of the moving part (3, 4, 10, 19) with another part allocated in the working area (8) of the machine tool (2) is therewith prevented.
摘要:
Crash prevention device (1) for machine tools (2), preventing the collision of a moving part (3, 4, 10, 19) of the machine tool (2), preferably the a tool (3) or the machining head (19), with other machine tool parts (6, 7) or with a workpiece (5) allocated in the working area (8) of the machine tool (2) during a movement of the moving part (3, 4, 10, 19). According to the invention, a high voltage is applied between the electrical isolated moving part (3, 4, 10, 19) and other machine tool parts (6, 7) or with the workpiece (5) allocated in the working area (8). The inventive crash prevention device (1) includes an discharge detection means (15) which can detect electrical discharges (16) occurring between the monitored moving part (3, 4, 10, 19) and the workpiece (5) or other electrical conductive machine elements (6, 7) and signalize to the machine controller (17) of the machine tool (2) to stop or adapt the further movement of the moving part (3, 4, 10, 19). An imminent crash of the moving part (3, 4, 10, 19) with another part allocated in the working area (8) of the machine tool (2) is therewith prevented.
摘要:
An interference determination method for machine tools which determines whether or not there will be interference between elements that move relative to each other, the method including: a setting procedure for setting a machine tool model (MA) obtained by combining the shape model (M) of each of the elements including a work model (M1) corresponding to the work (W); a measurement procedure for measuring the position of the work (W) attached to the work attachment part (4); a correction procedure for acquiring, at a predetermined timing, the position of the work (W) measured in the measurement procedure, and correcting the machine tool model (MA) set in the setting procedure; and a determination procedure for determining whether or not there will be interference between the elements on the basis of the machine tool model (MA') corrected in the correction procedure.
摘要:
Disclosed are a workpiece measuring device, a collision preventing device, and machine tool, which achieve easy acquisition of three-dimensional data relating to the shape of a workpiece, the data being used for preventing a collision between the workpiece and part of the machine tool. A measuring unit (15) that is mounted to a main shaft to which a tool for working a workpiece to be worked is attached and that scans and measures the distance to the workpiece in a noncontact manner, and a shape recognition unit (23) that generates a three-dimensional mesh structure formed by dividing space into polyhedrons, calculates coordinates of a measuring point of the workpiece on the basis of information relating to the measured distance to the workpiece, and creates a measured shape map on condition that when the ratio of the number of times the calculated measuring point is included in one unit of the three-dimensional mesh structure to the number of times the position of the workpiece corresponding to the one unit is scanned is greater than or equal to a predetermined threshold vale, the one unit is the shape of the workpiece are provided.