System and method for additive casting of metal objects by constructing production layers having mold regions and object regions includes a mold construction unit to construct a mold region of the current production layer; a Preparation-Deposition-Post (PDP) unit including: a molten metal depositor to deposit molten metal in an object region; a holder for holding the molten metal depositor; at least one induction heating unit; a build table for supporting the vertical stack of production layers; a movable platform to provide relative movement between the PDP unit and the build table; and a controller for controlling the PDP unit and the movable platform to deposit molten metal in a fabrication area, and to control the PDP unit to perform (1) pre-heating the fabrication area before molten metal deposition, to a pre-deposition temperature, and/or (2) post-heating the fabrication area after molten metal deposition, to a post-deposition temperature.

In a method of providing a flow for a process chamber of a device for producing a three-dimensional object by layer-wise application and selective solidification of a building material in a build area a process gas is supplied to the process chamber in a lower altitude region of the process chamber, wherein the process chamber includes a gas inlet for introducing the process gas into the process chamber and a gas outlet for discharging the process gas from the process chamber. The gas inlet and the gas outlet are provided in the lower altitude region of the process chamber and the process gas flows in a main flow from the gas inlet to the gas outlet, and wherein a secondary flow is located in a sub-region of the lower altitude region, which sub-region is located above a bottom surface of the process chamber surrounding the build area.

An apparatus (100) for additive manufacturing of a part of an article from a first material comprising particles having a first composition is provided. The apparatus (100) comprises a layer providing means (110) for providing a first support layer from a second material comprising particles having a second composition, wherein the first composition and the second composition are different. The apparatus (100) comprises a concavity defining means (120) for defining a first concavity in an exposed surface of the first support layer. The apparatus (100) comprises a depositing means (130) for depositing a part of the first material in the first concavity defined in the first support layer. The apparatus (100) comprises a levelling means (140) for selectively levelling the deposited first material in the first concavity. The apparatus (100) comprises a first fusing means (150) for fusing some of the particles of the levelled first material in the first concavity by at least partially melting said particles, thereby forming a first part of the layer of the article. In this way, the second material may be thus used to provide a support structure during additive manufacturing of the part of the article.

Apparatuses, systems and methods of providing heat to enable an FDM additive manufacturing nozzle having refined print control and enhanced printing speed. The heating element may include at least one sheath sized to fittedly engage around an outer circumference of the FDM printer nozzle; at least one wire coil at least partially contacting an inner diameter of the sheath; and at least one energy receiver associated with the at least one wire coil.

Apparatuses, systems and methods of providing heat to enable an FDM additive manufacturing nozzle having refined print control and enhanced printing speed. The heating element may include at least one sheath sized to fittedly engage around an outer circumference of the FDM printer nozzle; at least one wire coil at least partially contacting an inner diameter of the sheath; and at least one energy receiver associated with the at least one wire coil.

Systems and method for additive manufacturing with humidity compensation are provided. A first reservoir for activator, a second reservoir for binder, and a third reservoir for build material to be deposited within a build box by way of one or more deposit devices are provided. A controller receives data indicating ambient humidity level from a humidity sensor and commands a control device associated with the first reservoir to adjust an amount of activator removed from the first reservoir based on the ambient humidity level.

A method of manufacturing a three-dimensional shaped object, which is a method of shaping a three-dimensional shaped object using a cutting tool configured to cut a first length in a cutting direction, includes: a first portion shaping step of stacking a shaping material to shape a first portion having a length in the cutting direction shorter than the first length; a first portion cutting step of cutting the first portion in the cutting direction by the cutting tool; and a second portion shaping step of stacking the shaping material to couple to a first end surface of the first portion in a direction opposite to the cutting direction, and to shape a second portion having a length in the cutting direction shorter than that of the first portion.

The present invention relates to a 3D-printed cobalt-based alloy product comprising carbon, tungsten and chromium with very good mechanical and thermal properties as well as a method of preparing the 3D-printed product and a powder alloy. The alloy has a high carbon content leading to high carbide content but small and evenly distributed carbides. A method facilitating 3D printing of high carbide content alloys such as the present alloy is also disclosed.

The present invention relates to a 3D-printed cobalt-based alloy product comprising carbon, tungsten and chromium with very good mechanical and thermal properties as well as a method of preparing the 3D-printed product and a powder alloy. The alloy has a high carbon content leading to high carbide content but small and evenly distributed carbides. A method facilitating 3D printing of high carbide content alloys such as the present alloy is also disclosed.

The present invention relates to a 3D-printed cobalt-based alloy product comprising carbon, tungsten and chromium with very good mechanical and thermal properties as well as a method of preparing the 3D-printed product and a powder alloy. The alloy has a high carbon content leading to high carbide content but small and evenly distributed carbides. A method facilitating 3D printing of high carbide content alloys such as the present alloy is also disclosed.