B29C64/236

THREE-DIMENSIONAL SHAPED OBJECT MANUFACTURING DEVICE
20230001636 · 2023-01-05 ·

In a three-dimensional shaped object manufacturing device, when a unit is moved in a forward direction, powder is supplied from a first supply portion, a powder layer is formed by a first layer forming portion, a liquid is discharged to a shaping region from a head, and a shaping table is moved in a direction separating from the unit after discharging the liquid is ended and before a second layer forming portion faces the shaping region, and when the unit is moved in a backward direction, the powder is supplied from a second supply portion, the powder layer is formed by the second layer forming portion, the liquid is discharged to the shaping region from the head, and the shaping table is moved in the direction separating from the unit after discharging the liquid to the shaping region is ended and before the first layer forming portion faces the shaping region.

ADDITIVE MANUFACTURING SYSTEM
20230001637 · 2023-01-05 · ·

An additive manufacturing system is disclosed for use in fabricating a structure. The additive manufacturing system may include a print head configured to discharge a material, a first structure, and a second structure. The first structure may be configured to move the print head within a plane during discharge of the material. The second structure may be configured to move the print head within the plane during material discharge, the second structure being movable together with the print head by the first structure.

ADDITIVE MANUFACTURING SYSTEM
20230001637 · 2023-01-05 · ·

An additive manufacturing system is disclosed for use in fabricating a structure. The additive manufacturing system may include a print head configured to discharge a material, a first structure, and a second structure. The first structure may be configured to move the print head within a plane during discharge of the material. The second structure may be configured to move the print head within the plane during material discharge, the second structure being movable together with the print head by the first structure.

Surface equalization apparatus

A surface equalization apparatus designed to be compatible with a wide variety of part technologies, composite materials and part geometries. The apparatus works with software, chemistry, abrasives and media and includes an oblong, elongated input tank for holding media and a part. The input tank is connected to a motor mount, which is connected to an eccentric motor. When the motor is activated, the input tank begins to move in a vibrational, sinusoidal manner. The motion of the tank on attached springs generates a rotational flow of media in the tank. This creates a low amplitude/high frequency movement of the part through the tank. Surface structures divert media to prevent the part from contacting the side of the tank. Spray nozzles are positioned above the input tank. Acoustic damping foam is positioned around the central components. A cooling fan allows airflow through the apparatus.

Surface equalization apparatus

A surface equalization apparatus designed to be compatible with a wide variety of part technologies, composite materials and part geometries. The apparatus works with software, chemistry, abrasives and media and includes an oblong, elongated input tank for holding media and a part. The input tank is connected to a motor mount, which is connected to an eccentric motor. When the motor is activated, the input tank begins to move in a vibrational, sinusoidal manner. The motion of the tank on attached springs generates a rotational flow of media in the tank. This creates a low amplitude/high frequency movement of the part through the tank. Surface structures divert media to prevent the part from contacting the side of the tank. Spray nozzles are positioned above the input tank. Acoustic damping foam is positioned around the central components. A cooling fan allows airflow through the apparatus.

LOCAL Z PRINT HEAD POSITIONING SYSTEM IN A 3D PRINTER

A 3D printer includes a gantry configured to move in a plane substantially parallel to a x-y build plane and a print head configured to extrude molten material to print a 3D part in a layer-by-layer process. The 3D printer includes a platen configured to support the part being printed in the layer by layer process and positionable with a primary Z positioner along a z-axis substantially normal to the x-y build plane. The 3D printer includes a local Z positioner moved by the gantry, the local Z positioner comprising a linear motor configured to move the print head in the z-direction and having an operable range of motion extending from a nominal build position at which a nozzle of the print head is positioned in the x-y build plane to a raised position above the x-y build plane.

LOCAL Z PRINT HEAD POSITIONING SYSTEM IN A 3D PRINTER

A 3D printer includes a gantry configured to move in a plane substantially parallel to a x-y build plane and a print head configured to extrude molten material to print a 3D part in a layer-by-layer process. The 3D printer includes a platen configured to support the part being printed in the layer by layer process and positionable with a primary Z positioner along a z-axis substantially normal to the x-y build plane. The 3D printer includes a local Z positioner moved by the gantry, the local Z positioner comprising a linear motor configured to move the print head in the z-direction and having an operable range of motion extending from a nominal build position at which a nozzle of the print head is positioned in the x-y build plane to a raised position above the x-y build plane.

POWDER SUPPLY APPARATUS AND THREE-DIMENSIONAL OBJECT MODELING APPARATUS

A powder supply apparatus includes at least a vibration sieve part configured to vibrate a powder supply port by a vibration source. The powder supply port has a rectangular shape. The vibration source is mounted on a short side of the powder supply port.

3D PRINTER AND 3D PRINTING METHOD USING CUMULATIVE ILLUMINATION ALONG A SPECIFIC PATH

A 3D printer includes: a tank containing a photocurable resin; a spatial light modulator disposed under the tank and selectively delivering light to a specific region of the photocurable resin, the spatial light modulator including a light source; a positioning stage disposed under the spatial light modulator and moving the spatial light modulator along multiple axes; and a controller controlling the spatial light modulator and the positioning stage, wherein the controller controls the spatial light modulator and the positioning stage such that the spatial light modulator is moved along a specific path and regions of the photocurable resin illuminated with the light partially overlap one another to allow a cumulatively illuminated region to be cured.

3D PRINTER AND 3D PRINTING METHOD USING CUMULATIVE ILLUMINATION ALONG A SPECIFIC PATH

A 3D printer includes: a tank containing a photocurable resin; a spatial light modulator disposed under the tank and selectively delivering light to a specific region of the photocurable resin, the spatial light modulator including a light source; a positioning stage disposed under the spatial light modulator and moving the spatial light modulator along multiple axes; and a controller controlling the spatial light modulator and the positioning stage, wherein the controller controls the spatial light modulator and the positioning stage such that the spatial light modulator is moved along a specific path and regions of the photocurable resin illuminated with the light partially overlap one another to allow a cumulatively illuminated region to be cured.