Seiko Epson Corporation

Shunsuke Mizukami

Koichi Saito

Kazuhide Nakamura

Kohei Yuwaki

Satoshi Yamazaki

Provided is a three-dimensional shaping apparatus comprising a nozzle having a discharge port through which a shaping material is discharged, and a flow rate regulation mechanism that includes a butterfly valve provided in a flow path upstream of the discharge port.

Shaping material supply device and three-dimensional shaping apparatus

A three-dimensional modeling apparatus includes a nozzle that ejects a molten material, which is a plasticized thermoplastic material, a plasticization section which includes a flat screw having a groove extending in a volute shape and a driving motor that rotates the flat screw, the plasticization section rotating the flat screw to thereby guide the molten material to the nozzle through the groove, and an ejection control mechanism that is disposed in a flow path between the flat screw and the nozzle, and controls an outflow of the molten material from the nozzle.

Three-dimensional modeling apparatus and method for controlling three-dimensional modeling apparatus

A three-dimensional modeling apparatus includes a drive motor, a plasticizing section having a flat screw configured to be rotated by the drive motor, the plasticizing section being configured to plasticize and convert the material into a molten material by the rotation of the flat screw, and a nozzle configured to inject the molten material.

Three-dimensional modeling apparatus and three-dimensional modeling method

A 3D modeling device that forms a 3D object includes: a stage; a nozzle through which a fused material is ejected; a build plate disposed on the stage, the build plate receiving the fused material ejected through the nozzle to build the 3D object on the build plate; and a plasticizing member configured to plasticize a thermoplastic material to form the fused material. The plasticizing member includes: a flat screw having a grooved surface in which a groove is provided, the groove extending in a helical shape; a screw-facing piece having a communication path and a screw-facing surface facing the grooved surface; and a drive motor configured to rotate the flat screw. The groove continuously helically extends toward a material inlet from which the thermoplastic material in solid form is supplied, and the material inlet is provided on a side face of the flat screw.

3D modeling device and 3D modeling method

In a manufacturing method of a three-dimensional formed object, the method includes a first discharging in which a forming material is continuously discharged from a nozzle while causing a position of the nozzle to change with respect to the forming table in a first direction which is perpendicular to a top surface of the forming table to cause the forming material to be deposited in the first direction, a second discharging in which the forming material is continuously discharged from the nozzle while changing the position of the nozzle with respect to the forming table in a second direction which is parallel to the top surface of the forming table to dispose the forming material along the second direction, and repeating in which the first discharging and the second discharging are repeated.

Manufacturing method and forming apparatus of three-dimensional formed object

A manufacturing method of a three-dimensional formed object includes disposing a first forming material on a forming table to form a plurality of structures which are separated from each other, and disposing a second forming material for forming the three-dimensional formed object such that the three-dimensional formed object is supported by the plurality of structures in a state of being separated from the forming table.

A three-dimensional forming system includes a three-dimensional forming apparatus and a control device. The three-dimensional forming apparatus includes a nozzle that discharges a forming material, an opening/closing mechanism that opens or closes a flow path connected to the nozzle, a moving mechanism that changes a relative position between the forming table and the nozzle, and a control unit that perform a control based on forming data. The control device includes a forming data generating unit that analyzes path data including a path indicating a movement direction and a movement distance of the nozzle and a discharge parameter indicating discharging of the forming material, generates the forming data by adding an opening/closing command for driving the opening/closing mechanism to the path data, and transmits the forming data to the three-dimensional forming apparatus.

Three-dimensional forming system, data generating apparatus, method of generating data, and program

Provided is a shaping material supply device for use in a three-dimensional shaping apparatus, which includes a first flow path through which a shaping material flows, a nozzle that communicates with the first flow path and discharges the shaping material, and a flow rate regulation mechanism that includes a butterfly valve provided in the first flow path.

A three-dimensional modeling apparatus for fabricating a three-dimensional object includes a plasticizing section that plasticizes a thermoplastic material to transform into a molten material; an ejection section for ejecting the molten material; a first air blowing section that blows air from a circumference of the nozzle toward the molten material ejected from the nozzle; a platform on which the molten material ejected from the nozzle is deposited; and a control unit that changes a relative positional relationship between the ejection section and the platform.

Three-dimensional modeling apparatuses and methods for fabricating three-dimensional objects

A 3D modeling device that forms a 3D object includes a nozzle through which a fused material obtained by plasticizing a thermoplastic material is ejected, and a build plate for receiving the fused material ejected through the nozzle. The build plate includes a contraction prevention unit that prevents the fused material from contracting upon being cured.

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Hokuto, Japan

Shunsuke Mizukami