An optical axis adjusting method includes a position detecting step of emitting a laser beam from a laser oscillator, applying the laser beam to a processing point, and detecting the position of the laser beam by using a position detecting unit set at the processing point, a storing step of storing the position of the laser beam as detected in the position detecting step as a reference position, and an adjusting step of operating an adjusting mechanism of each optical component holder in the case that the position of the laser beam is deviated from the reference position after performing maintenance of each optical component, thereby adjusting the position of the laser beam so that the position of the laser beam is shifted back to the reference position.

A laser cleaning system includes a laser cleaning device having a laser rubber-removal assembly having a laser generator, a laser ejector connected with the laser generator, and a position adjustor slidably connected with a loading assembly; and a recycling assembly having a vacuum collector communicated with a recycling processing device; wherein the laser ejector is arranged on the loading assembly through the position adjustor; wherein the laser generator is configured to generate laser beams to remove rubber residues and the position adjustor is configured to adjust locations of the laser ejector; wherein the vacuum collector is configured to collect the rubber residues and the recycling processing device is configured to granulate the collected rubber residues.

The invention relates to machines and methods for the separative machining of a plate-shaped workpieces. The machine includes a first movement device for moving the workpiece in a first direction (X), a second movement device for moving a machining head, which directs the machining beam onto the workpiece, along a second direction (Y), Between workpiece bearing faces there is formed a gap for the passage of the machining beam. In the machine, mutually facing side edges of at least two of the workpiece bearing faces are oriented non-perpendicularly and non-parallel with respect to the first direction (X).

The invention relates to an apparatus for laser-deposition welding with multiple laser-deposition welding heads and to a method for operating such an apparatus comprising a laser-deposition welding unit with multiple laser-welding heads arranged thereon for the (quasi-) simultaneous depositing of material (M) onto a surface of a component and also comprising one or more conveying units for supplying the laser-deposition welding heads with the material (M) to be applied and further comprising one or more laser-radiation sources for supplying the laser-deposition welding heads with laser radiation (L) for carrying out the laser-deposition welding.

A laser lapping machine has a platform for supporting and rotating a product, and a laser device for transmitting a laser beam onto the surface of the product. The product may contain polycrystalline diamond, and the platform and the laser device may be configured to move a cutting point along a spiral path across the product surface. A process for removing material, such as polycrystalline diamond material, from a surface of a product is also described. The process includes transmitting a laser beam onto the product surface to remove the material at a cutting point, rotating the product surface relative to the laser beam, and causing the cutting point to move in a radial direction. According to one aspect of the present disclosure, rotation of the platform and radial movement of the laser beam cause the cutting point to move along a spiral path across the product surface.

The present invention relates to a laser welding method of pipe fittings that mainly provides an automated butt welding process for two pipe fittings to be welded, comprising a laser welding device setup step, a material loading step, a first welding step, a second welding step, a third welding step, and a return to the original position step. The welding zone at the butt joint location of the two pipe fittings to be welded is divided to undergo three procedures through the aforementioned steps, using a laser assembly in conjunction with a reflection assembly, to provide a consistent automated butt welding for two pipe fittings to be welded, in order to reduce the time consumed during the butt welding of pipe fittings and increase the speed of the production process.

Selective laser solidification apparatus is described that includes a powder bed onto which a powder layer can be deposited and a gas flow unit for passing a flow of gas over the powder bed along a predefined gas flow direction. A laser scanning unit is provided for scanning a laser beam over the powder layer to selectively solidify at least part of the powder layer to form a required pattern. The required pattern is formed from a plurality of stripes or stripe segments that are formed by advancing the laser beam along the stripe or stripe segment in a stripe formation direction. The stripe formation direction is arranged so that it always at least partially opposes the predefined gas flow direction. A corresponding method is also described.

A system includes an orientation determination system comprising a camera where the camera is configured to capture an image of an orientation feature of a physical dental model of a dental arch of a customer with material thermoformed thereon. The orientation determination system is configured to identify an offset of the physical dental model with respect to a fixture plate during positioning or before or after the physical dental model is positioned on the fixture plate by determining an actual orientation of the physical dental model based on the orientation feature. The system also includes a laser trimming system configured to cut the material along a trim line based on the identified offset while the fixture plate is moved about at least two axes to produce a dental aligner specific to the customer and being configured to reposition one or more teeth of the customer.

A method of forming a build in a powder bed includes providing a first diode laser fiber array and a second diode laser fiber array, emitting a plurality of laser beams from selected fibers of the second diode laser fiber array onto the powder bed, corresponding to a pattern of a layer of the build, simultaneously melting powder in the powder bed corresponding to the pattern of the layer of the build, scanning a first diode laser fiber array along an outer boundary of the powder bed and emitting a plurality of laser beams from selected fibers of the first diode laser fiber array and simultaneously melting powder in the powder bed corresponding to the outer boundary of the layer of the build to contour the layer of the build. An apparatus for forming a build in a powder bed including a first diode laser fiber array and a second diode laser fiber array is also disclosed. The first diode laser fiber array configured to contour the layer of the build.

A system for welding a first component to a second component. The system includes a first laser head configured to emit a first laser beam and be movably disposable on a first side of the first component. The system further includes a second laser head configured to emit a second laser beam and be movably disposable on an opposing second side of the first component. The system further includes a controller configured to independently control a first power of the first laser beam and a second power of the second laser beam. The controller is also configured to independently and simultaneously control movement of the first laser head and movement of the second laser head relative to the first component.