Abstract: A variation in a deposition amount per unit area of a plasticized material discharged from each nozzle and deposited on a stage due to a variation in a discharge amount of the plasticized material discharged from each nozzle is reduced. A three-dimensional shaping device includes: a plasticizing unit configured to generate a plasticized material by rotation of a screw; a discharge unit configured to discharge the plasticized material from a plurality of nozzles; a discharge amount adjustment unit configured to adjust a discharge amount of the plasticized material from each of the plurality of nozzles; a moving unit configured to relatively move the discharge unit with respect to a stage; and a control unit.

Abstract: A material dispensing device includes: a plasticization unit including a screw and a heater and configured to generate a shaping material by plasticizing at least a part of a material; a cylinder coupled to a flow path configured to allow the shaping material to flow and extending in a direction intersecting a longitudinal direction of the flow path; a plunger provided in the cylinder; a drive unit configured to drive the plunger; and a control unit configured to control the plasticization unit and the drive unit, in which when the material is replaced from a first material to a second material different from the first material, the control unit performs cleaning processing of circulating the shaping material generated by plasticizing the second material through the flow path by rotating the screw in a state in which a tip of the plunger on a flow path side is located in the flow path.

Abstract: A plasticizing device includes: a flat screw having a groove formation surface in which a spiral groove is formed and configured to rotate about a rotation axis by a motor; a barrel having a facing surface facing the groove formation surface in a direction of the rotation axis; a heater configured to heat the material supplied between the groove formation surface and the facing surface; and a screw case accommodating the flat screw and having a supply port through which the material is supplied to the groove. The flat screw includes a first side surface in which an introduction port for introducing the material from the supply port into the groove is partially formed, and a second side surface provided on a side farther away from the barrel than the first side surface.

Abstract: There is provided a plasticizing device including a rotor which rotates around a rotational axis, and has a groove forming surface provided with a groove, a barrel which is opposed to the groove forming surface, and has a communication hole, and a first heating section configured to heat a material fed between the rotor and the barrel, wherein the material fed between the rotor and the barrel is plasticized and discharged from the communication hole due to a rotation of the rotor and heating by the first heating section.

Abstract: An injection molding system includes a molding device, an inspection device configured to inspect a molded product and a control device that includes a storage unit, and a reception unit configured to receive a change content of a parameter included in a standard molding condition. The control device executes a first control of forming the molded product under a second molding condition in which the parameter is changed based on the change content, a second control of forming the molded product under a third molding condition in which the same parameter is changed, a third control of associating the second molding condition with an inspection result of the molded product formed under the second molding condition and storing the association, and a fourth control of associating the third molding condition with the inspection result of the molded product formed under the third molding condition and storing the association.

Abstract: A plasticizing device includes: a flat screw having a groove formation surface in which a spiral groove is formed and configured to rotate about a rotation axis by a motor; a barrel having a facing surface facing the groove formation surface in a direction of the rotation axis; a heater configured to heat the material supplied between the groove formation surface and the facing surface; and a screw case accommodating the flat screw and having a supply port through which the material is supplied to the groove. The flat screw includes a first side surface in which an introduction port for introducing the material from the supply port into the groove is partially formed, and a second side surface provided on a side farther away from the barrel than the first side surface.

Abstract: An injection molding system includes a first unit that has a first injection molding machine configured to inject a first molding material into a first cavity partitioned by a first fixed mold and a movable mold, a second unit that includes a second injection molding machine configured to inject a second molding material into a second cavity partitioned by a second fixed mold and the movable mold, and a movement mechanism configured to, after the first molding material is injected into the first cavity, move the movable mold filled with the first molding material from the first injection molding machine to the second injection molding machine.

Abstract: An injection molding system includes a main unit in which a first injection molding machine that injects a first molding material and molds a molded article is disposed and a control unit separated from the main unit and configured to control the first injection molding machine. The control unit is coupled to the main unit via a connection cable having predetermined length.

Abstract: A plasticization device that plasticizes a material, includes: a drive motor; a rotor that is to be rotated by the drive motor and has a groove-forming surface in which a curved projection strip portion is formed from a peripheral edge of a circular central portion toward an outer periphery of the rotor; a barrel that faces the groove-forming surface and includes a communication hole at a position facing the central portion of the groove-forming surface; and a heating unit that heats the material supplied between the rotor and the barrel, the rotor includes a protrusion protruding from the central portion toward the communication hole, and 0.28?S2/S1?1.03??(1), wherein S1 is an area of the central portion and S2 is a maximum area of a cross section of the protrusion along the groove-forming surface.

Abstract: A shaping device includes a cutting unit configured to cut a first shaped product or an intermediate component formed by adding a shaping material to the first shaped product on a stage, and a control unit configured to control the cutting unit to cut the first shaped product or the intermediate component to shape a shaped object different from the first shaped product and the intermediate component.

Abstract: Provided is a method for shaping a three-dimensional shaped object using a cutting tool configured to perform cutting at a first length at maximum in a predetermined cutting direction, the method including: a first section shaping step of shaping a first section having a length in a first direction shorter than the first length by laminating a shaping material; a first section cutting step of cutting the first section with the cutting tool having a cutting direction along the first direction; a second section shaping step of shaping a second section having a length in a second direction shorter than the first length by laminating the shaping material, to connect to a first end surface of the first section in the first direction; and a second section cutting step of cutting the second section along the second direction with the cutting tool having a cutting direction along the second direction.

Abstract: A plasticizing device that plasticizes a solid material includes a drive motor, a screw rotated by the drive motor along a rotation axis of the drive motor and having a groove forming surface on which a groove is formed, a barrel having a facing surface facing the groove forming surface and provided with a communication hole in a central portion thereof, and a heating unit configured to heat at least one of the screw and the barrel. A first facing region and a second facing region that is closer to the central portion than the first facing region are provided between the groove forming surface and the facing surface. A second gap between the groove forming surface and the facing surface in the second facing region is larger than a first gap between the groove forming surface and the facing surface in the first facing region.

Abstract: A method for manufacturing a molding mold used in an injection molding apparatus includes: generating a first plasticized material by plasticizing a first shaping material containing an amorphous metal and a resin; and shaping a laminate that is a part of the molding mold by discharging the first plasticized material toward a stage to laminate a layer.

Abstract: A material discharge device includes: a drive motor; a screw having a groove formation surface and configured to rotate; a barrel having a facing surface and formed with a communication hole through which a plasticized material flows; a heating unit configured to heat the material; a nozzle from which the material is injected to an outside; and a plurality of measurement units configured to measure a pressure or a temperature of the material. The measurement units are disposed at an outer periphery of a nozzle channel wall, and a thickness of the nozzle channel wall satisfies the following (1) or (2): (1) when the nozzle channel wall is made of a material containing iron as a main component, the thickness of the nozzle channel wall is 0.2 mm or more and 2.5 mm or less; and (2) when the nozzle channel wall is made of a material containing aluminum as a main component, the thickness of the nozzle channel wall is 0.2 mm or more and 4 mm or less.

Abstract: A three-dimensional shaping apparatus includes a plasticizing section, a stage, an ejection section having a first nozzle and a second nozzle, each of which communicates with the plasticizing section, a first ejection adjusting section, a second ejection adjusting section, a moving section that relatively moves the ejection section with respect to the stage, and a control unit.

Abstract: An injection molding device includes a housing having a door, an injection molding machine, a detection section, and a control section. The control section controls voltage applied to the mold clamping motor, and performs mold-clamping and mold-opening of the upper mold and the lower mold by either moving the injection unit and the upper mold along the vertical direction or by moving the lower mold along the vertical direction. The mold clamping device further includes a first brake section that, when application of voltage to the mold clamping motor is stopped, regulates movement of the injection unit and the upper mold in the vertical direction or movement of the lower mold in the vertical direction. When the detection section detects that the door is open or detects intrusion of foreign matter, the control section stops application of voltage to the mold clamping motor.

Abstract: Provided is a material supply device that supplies a material to a plasticizing unit, the plasticizing unit being configured to plasticize the material to generate a plasticized material, the material supply device including: a housing having an inlet through which the material is fed into the plasticizing unit, and accommodating the material; and a rotary member provided above the inlet in the housing and configured to rotate around a rotation shaft intersecting a vertical direction. The material is accommodated above the rotary member in the housing, and the material is intermittently supplied to the inlet by the rotation of the rotary member.

Abstract: A plasticizer includes a drive motor, a flat screw that has a groove forming surface where a groove is formed and is rotated by the drive motor, a barrel which has a groove facing surface that faces the groove forming surface and in which a communication hole is formed, and a heater that heats resin pellets supplied to the space between the flat screw and the barrel, and at least one of the flat screw and the barrel is at least partially formed of a transparent member, and the resin pellets between the flat screw and the barrel is visible through the transparent member.

Abstract: An injection molding apparatus including a fixed die including a gate via which a molding material flows in, a movable die that forms along with the fixed die a cavity and separates from the fixed die at a point of time of mold opening, an open-gate hot runner that includes a nozzle including a channel that guides the molding material to the gate and a heater that heats the channel, the hot runner being attachable to and detachable from the fixed die, and a cap member that is disposed between the fixed die and the hot runner and has a melting point higher than a melting point of the molding material.

Abstract: A method for manufacturing a three-dimensional shaped object includes: a first step of forming a first portion of the three-dimensional shaped object by discharging a shaping material containing a resin from a discharge portion toward a stage or a previously formed layer and pressing the discharged shaping material against a tip end surface of the discharge portion; a heating step of heating the first portion to a temperature less than a glass transition temperature of the resin; and a second step of forming a second portion of the three-dimensional shaped object by discharging the shaping material from the discharge portion toward the first portion heated in the heating step and pressing the discharged shaping material against the tip end surface.