A three-dimensional shaped object manufacturing method for shaping a three-dimensional shaped object. The three-dimensional shaped object manufacturing method includes a first step of shaping a first partial shaped object corresponding to a first partial path and a second partial shaped object corresponding to a second partial path in accordance with shaping data including path data and discharge amount data; a second step of measuring a first gap indicating a gap between the first partial shaped object and the second partial shaped object; and a third step of executing an adjustment processing of adjusting, based on a difference between the first gap and a second gap determined based on the shaping data and corresponding to the first gap, a discharge amount in a third partial path which is one of the plurality of paths and along which the discharge unit moves after the first partial path and the second partial path.

The invention relates to a device (100) for an additive manufacture. The device (100) comprises a laser device (110) for machining material using a laser beam (112), said laser device (110) being designed to deflect the laser beam (112) onto a machining region of a workpiece (10); at least one supply device (130) for a supply material, said supply device being designed to supply the supply material to the machining region; and an interferometer (140) which is designed to measure a distance to the workpiece (10) by means of an optical measuring beam (142).

The invention relates to a device (100) for an additive manufacture. The device (100) comprises a laser device (110) for machining material using a laser beam (112), said laser device (110) being designed to deflect the laser beam (112) onto a machining region of a workpiece (10); at least one supply device (130) for a supply material, said supply device being designed to supply the supply material to the machining region; and an interferometer (140) which is designed to measure a distance to the workpiece (10) by means of an optical measuring beam (142).

A powder dispensing assembly for an additive manufacturing machine is provided. The powder dispensing assembly includes a housing that defines a powder reservoir that receives additive powder; a first plate removably connectable to the housing, the first plate defining a first discharge orifice having a first discharge orifice geometry; and a second plate removably connectable to the housing, the second plate defining a second discharge orifice having a second discharge orifice geometry different than the first discharge orifice geometry, wherein with the first plate connected to the housing, the additive powder flows out of the first discharge orifice at a first dosing rate, and wherein with the second plate connected to the housing, the additive powder flows out of the second discharge orifice at a second dosing rate different than the first dosing rate.

A powder dispensing assembly for an additive manufacturing machine is provided. The powder dispensing assembly includes a housing that defines a powder reservoir that receives additive powder; a first plate removably connectable to the housing, the first plate defining a first discharge orifice having a first discharge orifice geometry; and a second plate removably connectable to the housing, the second plate defining a second discharge orifice having a second discharge orifice geometry different than the first discharge orifice geometry, wherein with the first plate connected to the housing, the additive powder flows out of the first discharge orifice at a first dosing rate, and wherein with the second plate connected to the housing, the additive powder flows out of the second discharge orifice at a second dosing rate different than the first dosing rate.

A molten metal print deposition device includes a reservoir in fluid communication with a deposition head for controlled deposition of a molten metal print medium defined by molten feedstock, and a capillary structure adapted to maintain the molten feedstock from the melt reservoir in a fluidic state for directing and depositing the feedstock onto a substrate. A print medium is defined by an alloy heated to a fluid state in a temperature range defined by but above a liquidus and solidus. A thermal source and control circuit maintain the molten feedstock at a temperature above the liquidus of the print medium during deposition.

A molten metal print deposition device includes a reservoir in fluid communication with a deposition head for controlled deposition of a molten metal print medium defined by molten feedstock, and a capillary structure adapted to maintain the molten feedstock from the melt reservoir in a fluidic state for directing and depositing the feedstock onto a substrate. A print medium is defined by an alloy heated to a fluid state in a temperature range defined by but above a liquidus and solidus. A thermal source and control circuit maintain the molten feedstock at a temperature above the liquidus of the print medium during deposition.

In one example, a process for loading a build material powder supply container for 3D printing includes, with a floor of the supply container at or near a top of the supply container, dispensing build material powder into a loading chamber surrounding the top of the supply container and on to the floor, compacting powder in the loading chamber, and lowering the floor with the compacted powder into the supply container.

Methods and systems are provided for using optical interferometry in the context of material modification processes such as surgical laser or welding applications. An imaging optical source that produces imaging light. A feedback controller controls at least one processing parameter of the material modification process based on an interferometry output generated using the imaging light. A method of processing interferograms is provided based on homodyne filtering. A method of generating a record of a material modification process using an interferometry output is provided.

The present disclosure relates to a system for performing an Additive Manufacturing (AM) fabrication process on a powdered material (PM) forming a substrate. The system uses a first optical subsystem to generate an optical signal comprised of electromagnetic (EM) radiation sufficient to melt or sinter a PM of the substrate. The first optical subsystem is controlled to generate a plurality of different power density levels, with a specific one being selected based on a specific PM forming a powder bed being used to form a 3D part. At least one processor controls the first optical subsystem and adjusts a power density level of the optical signal, taking into account a composition of the PM. A second optical subsystem receives the optical signal from the first optical subsystem and controls the optical signal to help facilitate melting of the PM in a layer-by-layer sequence of operations.