The present application relates to an apparatus (10) for laser processing, comprising at least two laser sources, which are different from one another and are configured for supplying respective laser beams having wavelengths different from one another, a laser head (20), which can be operated as end tool of a laser machine tool (90) that can be configured for carrying out at least one type of laser processing operation that can be selected from a set of types of laser processing operations, and a set of orientable optical components (16) so as to provide a set of selectable optical paths for directing a laser beam supplied by a laser source of said at least two laser sources, and a control unit (30) coupled to the at least two laser sources, to the set of orientable optical components (16), and to the laser head (20) and configured for controlling the at least two laser sources, the set of orientable optical components (16), and the laser head (20) according to the type of laser processing operation selected from the set of types of laser processing operations, i.e., so as to supply and direct a laser beam associated to the respective type of processing operation onto a region of a work surface (110). The laser head (20) comprises a set of nozzles (40, 42, 44, 46) configured for directing at least one processing material onto the working region (110), which comprises at least one nozzle (40) configured for directing jets of powder of at least one material, preferably powder of metal material (in brief metal powder), as well as comprising at least one of the following: a) a first nozzle (42) configured for directing a metal wire onto the working region, preferably metal wire for laser welding; and b) a second nozzle (46) configured for directing an assist gas onto the working region, preferably an assist gas for laser welding, and wherein the control unit (30) is coupled to the set of nozzles and is configured for controlling at least one nozzle of said set of nozzles (40, 42, 44, 46) according to the type of associated and selected laser processing operation so as to control said at least one nozzle so that it will direct respective processing materials onto the working region (110) simultaneously with direction of the laser beam (L) associated to the type of laser processing operation selected.

A material deposition unit includes a radiation unit designed to emit electromagnetic radiation in a directed manner onto a workpiece along a beam axis, and a powder discharge device that has multiple powder discharge units configured to discharge powder in a directed form onto the workpiece through powder-outlet openings. The material deposition unit further includes a powder division unit having multiple powder channels. A number of powder channels corresponds to a number of powder discharge units. The powder division unit is designed to distribute a central powder stream guided to a feed channel uniformly over the powder channels. Each respective powder channel is connected to a respective powder discharge unit by an exchangeable connecting element. At least one powder discharge unit has an exchangeable powder discharge element, which is elongate, has a first end and a second end, and is arranged at least partially within the corresponding powder discharge unit.

A directed energy deposition system and method including a set of nozzles for directing material, such in the form of a particle stream, at a part and a set of energy sources for generating a melt pool as the material contacts the part. The system further includes apparatus for generating a sound field that controls characteristics of the particle stream as it passes through the sound field.

A system for treating material of a cutting element may include a method, and the method may include providing a piece of material to form a blank for the cutting element, and applying a cladding material to at least a portion of the blank utilizing a laser to bond a cladding powder to the exterior surface of the blank. The application may include selecting and utilizing a power level of the laser and a rate of movement of the spot of the laser across the exterior surface which is effective to form a stratum of martensite in the substrate of the material below the exterior surface and the cladding material bonded to the exterior surface. The method may further include removing a portion of the cladded blank to form a cutting edge with a portion of the stratum of martensite exposed at the cutting edge.

Methods for repairing an airfoil having a damaged region are provided. The method can include removing the damaged portion from the airfoil to form an intermediate component. The damaged portion generally includes an original film hole having an original cross-sectional geometry. Using additive manufacturing, a replacement portion is then applied on the intermediate component to form a repaired component with the replacement portion including a rebuilt film hole having a rebuilt cross-sectional geometry that is different than the original cross-sectional geometry.

A deposition apparatus and a deposition method are described. The deposition apparatus includes an accommodating element, a plurality of lasers and a carrier. The accommodating element is configured to accommodate a material. The lasers are disposed at a periphery of the accommodating element, and are configured to simultaneously emit a plurality of laser beams toward the material to melt the material to form a deposition liquid. The carrier is disposed under the accommodating element and the lasers, and are configured to carry the deposition liquid.

An apparatus for laser materials processing including a laser (4) for generating a laser beam and a laser head (5) which is movable along at least one spatial direction and is connected to the laser via a light guide, and which emits a laser beam (7) capable of processing a material. The present invention also relates to an apparatus for selective laser melting or selective laser sintering having an apparatus for laser materials processing.

An apparatus for laser materials processing including a laser (4) for generating a laser beam and a laser head (5) which is movable along at least one spatial direction and is connected to the laser via a light guide, and which emits a laser beam (7) capable of processing a material. The present invention also relates to an apparatus for selective laser melting or selective laser sintering having an apparatus for laser materials processing.

Additive manufacturing devices and methods for the same are provided. The additive manufacturing device may include a stage configured to support a substrate, a printhead disposed above the stage, and a targeted heating system disposed proximal the printhead. The printhead may be configured to heat a build material to a molten build material and deposit the molten build material on the substrate in the form of droplets to fabricate the article. The targeted heating system may be configured to control a temperature or temperature gradient of the droplets deposited on the substrate, an area proximal the substrate, or combinations thereof.

An ultra-high speed laser cladding device and a process based on the dual suppression of magnetic force and centrifugal force are provided, including a laser generator, a spectrometer, a powder device, a rotary tool and a magnetic field generator. The substrate is installed in the rotary tooling, through the driving device to rotate it. The magnetic field generator is used to generate a magnetic field in the rotary cylinder. The laser generator produces the first laser beam and the second laser beam with different energy through the spectrometer. They are both focused on the surface of the substrate. The powder conveyed by the powder device is sprayed to the surface of the substrate, laser cladded by the first laser beam and the second laser beam. The gas can quickly escape to ensure the density of the cladding layer and reduce the porosity.