A method according to one aspect of the present disclosure is a laser marking method for a powder compact containing metal powder, which includes: a first step of scanning with laser light of first power which is weaker over a predetermined area in a surface of the powder compact, to melt and smooth inside of the predetermined area; and a second step of scanning with laser light of second power which is greater, to form a dot formed of a recess of a predetermined depth at a predetermined location in the predetermined area.

A method according to one aspect of the present disclosure is a laser marking method for a powder compact containing metal powder, which includes: a first step of scanning with laser light of first power which is weaker over a predetermined area in a surface of the powder compact, to melt and smooth inside of the predetermined area; and a second step of scanning with laser light of second power which is greater, to form a dot formed of a recess of a predetermined depth at a predetermined location in the predetermined area.

A multifunctional laser processing apparatus includes a hollow milling shaft, a light path tool holder, a tool-holder-type melting module, a laser light source, and a temperature sensor. The hollow milling shaft includes a first light path channel and a connection portion. The light path tool holder can be connected to the connection portion. The light path tool holder has a second light path channel communicating with the first light path channel. The tool-holder-type melting module can be connected to the connection portion. The tool-holder-type melting module has a third light path channel communicating with the first light path channel. The laser light source is configured to emit a laser light beam toward the first light path channel. The temperature sensor is disposed on an outer surface of the hollow milling shaft and is configured to sense a temperature of a work piece during a multifunctional processing process.

A multifunctional laser processing apparatus includes a hollow milling shaft, a light path tool holder, a tool-holder-type melting module, a laser light source, and a temperature sensor. The hollow milling shaft includes a first light path channel and a connection portion. The light path tool holder can be connected to the connection portion. The light path tool holder has a second light path channel communicating with the first light path channel. The tool-holder-type melting module can be connected to the connection portion. The tool-holder-type melting module has a third light path channel communicating with the first light path channel. The laser light source is configured to emit a laser light beam toward the first light path channel. The temperature sensor is disposed on an outer surface of the hollow milling shaft and is configured to sense a temperature of a work piece during a multifunctional processing process.

A tooling assembly and method of aligning a plurality of components for a repair process in an additive manufacturing machine includes positioning the plurality of components such that a repair surface of each of the plurality of components contacts an alignment plate, e.g., under the force of gravity or using biasing members. The method further includes surrounding the alignment plate with containment walls to define a reservoir around the plurality of components and dispensing a fill material, such as wax or a potting material, into the reservoir which is configured for fixing a relative position of the plurality of components when the fill material is solidified.

A tooling assembly and method of aligning a plurality of components for a repair process in an additive manufacturing machine includes positioning the plurality of components such that a repair surface of each of the plurality of components contacts an alignment plate, e.g., under the force of gravity or using biasing members. The method further includes surrounding the alignment plate with containment walls to define a reservoir around the plurality of components and dispensing a fill material, such as wax or a potting material, into the reservoir which is configured for fixing a relative position of the plurality of components when the fill material is solidified.

Additive manufacturing systems, methods, and computer readable media may be configured to perform a calibration. Calibrating an additive manufacturing system may include comparing a digital representation of one or more calibration marks to a calibration-CAD model that includes one or more model calibration marks, and applying a calibration adjustment to one or more CAD models based at least in part on the comparison. The digital representation of the one or more calibration marks may have been obtained using a vision system, and the one or more calibration marks may have been printed on a calibration surface according to the calibration-CAD model using an additive manufacturing machine. The calibration adjustment may be configured to align the one or more CAD models with one or more coordinates of the additive manufacturing system.

Additive manufacturing systems, methods, and computer readable media may be configured to perform a calibration. Calibrating an additive manufacturing system may include comparing a digital representation of one or more calibration marks to a calibration-CAD model that includes one or more model calibration marks, and applying a calibration adjustment to one or more CAD models based at least in part on the comparison. The digital representation of the one or more calibration marks may have been obtained using a vision system, and the one or more calibration marks may have been printed on a calibration surface according to the calibration-CAD model using an additive manufacturing machine. The calibration adjustment may be configured to align the one or more CAD models with one or more coordinates of the additive manufacturing system.

A joined article includes a first component having a laser-treated surface portion and a second component having a laser-treated surface portion. An adhesive joins the first component to the second component at the treated surface portion. A method of making a joined article form components and a system for making joined articles are also disclosed.

A joined article includes a first component having a laser-treated surface portion and a second component having a laser-treated surface portion. An adhesive joins the first component to the second component at the treated surface portion. A method of making a joined article form components and a system for making joined articles are also disclosed.