Abstract: A method for optimizing a machining time of a laser machining process includes: specifying a machining path of the laser machining process on the workpiece, said machining path having a plurality of machining path sections, specifying at least one boundary condition for at least one of the machining path sections; and determining control data for the laser machining process of the machining path taking into account the at least one boundary condition such that a machining time of the laser machining process is minimal. Furthermore, a method for performing a laser machining process on a workpiece includes such a method and a laser machining system is configured to perform the methods.

Abstract: A laser machining head for machining a workpiece by means of a laser beam, includes: a scanning device for directing the laser beam at a plurality of positions on a workpiece surface; an image acquisition device for acquiring an image of the workpiece surface, said image acquisition device including an objective with a lens having an adjustable focal length; and a control configured to adjust a focal length of the lens based on a measurement value.

Abstract: A laser machining head for machining a workpiece by a laser beam includes: a scanning device for deflecting the laser beam on the workpiece; a housing in which the scanning device is arranged; and at least one overheat protection device configured to protect the housing from overheating, said overheat protection device comprising an energy distribution device for distributing incident radiation energy and/or a heat sink for dissipating heat.

Abstract: A method for calibrating at least one optical sensor of a laser machining head is provided. The laser machining head comprises a first optical sensor, a deflection device, and a focusing device. A laser beam path of the first optical sensor passes through the deflection device and the focusing device. The method comprises the steps of: deflecting the beam path of the first optical sensor by the deflection device to a first position on a first reference; generating a first optical measurement signal based on measurement light received by the first optical sensor from the first position on the first reference; and determining a correction value for calibrating the first optical sensor based on the first optical measurement signal and according to a deviation of the first position on the first reference from a first target position, which is specified relative to a position of the machining laser beam.

Abstract: A method of laser machining a workpiece includes the steps of: radiating a laser beam onto at least one workpiece, the laser beam having a core beam and a ring beam extending coaxially with one another, wherein the laser beam is moved over the workpiece along a pre-determined machining path, and adjusting a laser power of the core beam and/or a laser power of the ring beam as a function of a position of the laser beam on the workpiece. An associated laser machining system is also disclosed.

Abstract: A method for determining a depth of a vapor capillary during laser machining includes: irradiating a machining laser beam onto a workpiece to form the capillary, the beam deflected by a first deflection device along a machining path within a first scan field, irradiating an optical measuring beam onto the workpiece, the measuring beam deflected by a second deflection device relative to the machining laser beam along a scanning path within a scanning area and then together with the machining laser beam by the first deflecting device, acquiring measured distance values along the path based on part of the measuring beam reflected by the workpiece, determining a depth/position of the capillary based on the acquired measured distance values. The scanning area size is based on a position of the laser beam and/or deflection of the laser beam by the first deflection device. A corresponding laser machining system is also provided.

Abstract: A laser processing head is presented. The laser processing head includes a laser entry module for introducing a laser beam; a collimating module for collimating the laser beam; a scanning module for deflecting the laser beam; a focusing module for focusing the laser beam; and at least one diaphragm for increasing a scan field of the laser beam. The diaphragm comprises a diaphragm body and an opening, and is configured to limit a cross-sectional area of the laser beam by the diaphragm body. The at least one diaphragm is positioned optically downstream of the laser entry module and optically upstream of the focusing module. A laser processing system including the laser processing head is also presented. Furthermore, a method for increasing a scan field of the laser beam is also provided.

Abstract: A system for machining materials by means of laser beam includes a deflection device for deflecting the laser beam and a wobble device configured to superimpose a wobble movement of the laser beam with a wobble figure and a wobble frequency onto a feed movement of the laser beam corresponding to a machining path by controlling the deflection device. The wobble device is configured, for carrying out the wobble movement, to control the deflection device according to a compensated wobble movement. Control values for a deflection of the laser beam along the wobble figure are adapted as a function of the wobble frequency and/or a path speed of the wobble movement that varies along the wobble figure is adapted as a function of a position of the laser beam in the wobble figure and as a function of the wobble frequency.

Abstract: A method for producing a pot-shaped component from a flat blank. The method comprises the following steps: a) shaping the flat blank in at least one deep-drawing step to form a pot-shaped raw component having a substantially flat bottom area and a circumferential frame, and b) shaping the pot-shaped raw component in a tool having a conically tapered die that applies shear to the circumferential surface of the frame in the axial direction against the conically tapered die. In step b), the bottom area is clamped between an ejector and a hold-down mechanism and the conically tapered die surrounds the bottom area of the raw component radially on the outside and extends in a diameter-reducing manner in a tool stroke.

Abstract: A method for producing a pot-shaped component from a flat blank. The method comprises the following steps: a) shaping the flat blank in at least one deep-drawing step to form a pot-shaped raw component having a substantially flat bottom area and a circumferential frame, b) shaping said pot-shaped in a tool having a conically tapered die that applies shear to the circumferential surface of the frame in the axial direction against the conically tapered die. In step b), the bottom area is clamped at between an ejector and a hold-down means and the conically tapered die surrounds the bottom area of the raw component radially on the outside and extends in a diameter-reducing manner in the tool stroke.