A method for producing a flexible mold for casting a ceramic core, the ceramic core used for an investment casting, is presented. The method includes forming a consumable master tool by 3D-printing, producing the flexible mold from the master tool, allowing the flexible mold to cure, and removing the consumable master tool. The master tool includes a negative surface geometry representative of the flexible mold to be produced.

The invention relates to a material feeding device. The material feeding device according to the invention to be used in a material processing device has a material feeding channel with an output end facing a processing site during operation of the material feeding device, and is characterized in that the material feeding device has at least one microchannel.

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 three-dimensional shaped article production method for producing a three-dimensional shaped article by stacking layers to form a stacked body includes a first layer formation step of forming a first layer on a support by supplying a first composition containing first particles and a binder, a second layer formation step of forming a second layer composed of one layer or a plurality of layers on the first layer by supplying a second composition containing second particles and a binder, and a separation step of separating the second layer from the support through the first layer, wherein after the separation step, a sintering step of sintering the second layer is performed.

Described is automated glass manufacturing equipment, and in particular to devices known as “takeout holders,” as well as systems that use the takeout holders and methods of making and using the takeout holders.

Systems and methods for simulating a melt pool characteristic for selective laser melting additive manufacturing. The system includes a selective laser melting apparatus and an electronic controller configured to obtain a surface geometry of a previous layer of a component being manufactured using the selective laser melting apparatus, simulate an addition of a powder layer having a desired powder layer thickness to the component based upon the surface geometry of the previous layer, determine a melt pool characteristic based upon geometric information of the simulated powder layer and the desired powder layer thickness, determine an adjustment to the simulated powder layer based upon the melt pool characteristic, and actuate the selective laser melting apparatus based upon the simulated powder layer and the determined adjustment.

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.

Provided are a powder for laser manufacturing which can be stably manufactured and from which a three-dimensional manufactured object ensuring a manufacturing accuracy can be obtained and a using method thereof. A powder for ceramic manufacturing for obtaining a manufactured object by repeatedly sintering or fusing and solidifying in sequence a powder in an irradiation portion with laser light, in which the powder includes a plurality of compositions, at least one composition of the compositions is an absorber that relatively strongly absorbs the laser light compared to other compositions, and at least a part of the absorber changes to a different composition that relatively weakly absorbs the laser light by irradiation with the laser light and a using method of a powder in which the powder is used.

The present invention belongs to the technical field related to additive manufacturing, and provides a multi-field composite-based additive manufacturing device and method. The device comprises a powder delivery adjustment module, a sound field control module, a microwave field/thermal field control module and a microprocessor. The powder delivery adjustment module, the sound field control module and the microwave field/thermal field control module are respectively connected to the microprocessor; the powder delivery adjustment module comprises a raw material dispersion chamber, and the raw material dispersion chamber is provided within a forming cavity formed by a housing; the sound field control module is also provided within the forming cavity and is located below the raw material dispersion chamber; the microwave field/thermal field control module comprises a plurality of microwave generators provided in the forming cavity, the plurality of microwave generators are respectively located at two sides of a forming area.

A connecting device for receiving a cartridge container and for positioning at a connection point in an installation for producing three-dimensional components by successively solidifying layers of a powdered building material, having a housing, having a cartridge receiver which is provided at the housing and to which the cartridge container can be fastened, having a connection side on the housing opposite the cartridge receiver, which connection side has a passage for delivering powdered building material from the cartridge container or for feeding powdered building material into the cartridge container, having a closure member which is provided between the cartridge receiver and the connection side and by which the passage can be activated for opening and closing the passage.