Abstract: A pressure measurement device mountable to an injection unit that injects molding material of an injection molding machine, and an injection molding machine are provided. The pressure measurement device includes: a measurement cylinder mounted to the injection unit and through which the molding material injected by the injection unit flows; a plurality of dies mounted to the measurement cylinder and through which the molding material flows, and having different specifications; a flow path switching pin that selectively switches a discharge destination of the molding material to any one of the plurality of dies; and a pressure sensor that measures a pressure of the molding material in the measurement cylinder.

Abstract: A lamination molding apparatus including: an irradiator irradiating a material layer with a beam to form a solidified layer; and a temperature adjustment device which abuts against a part or all of the solidified body including an upper surface of the solidified body, and heats and cools the part or all of the solidified body to a set temperature. The temperature adjustment device has a temperature adjustment plate and a revolving portion. The revolving portion sets the temperature adjustment plate to an upright state when the part or all of the solidified body including the upper surface of the solidified body is not heated and cooled by the temperature adjustment device, and sets the temperature adjustment plate to a lying state when the part or all of the solidified body including the upper surface of the solidified body is heated and cooled by the temperature adjustment device.

Abstract: A food material powder supply device 1 of the disclosure includes a supply tank 50 that temporarily stores food material powder in a tank 50A and supplies the food material powder to a processing container 2A of a food processing machine 2, a vacuum device 70 that reduces the pressure inside the supply tank 50 with vacuum pumps 71A and 71B, and a control device 3 that operates the vacuum device 70 to reduce the internal pressure of the supply tank 50 to be equal to or lower than a predetermined atmospheric pressure at which moisture of the food material powder is evaporated and cools the food material powder in the supply tank 50. A stirring member 54 which is driven to rotate during the cooling of the food material powder is arranged inside the tank 50A.

Abstract: A clamping apparatus of an injection molding machine is provided. A first driving device operates a movable platen to perform mold opening/closing. A second driving device applies a clamping force to the movable platen. A screw mechanism converts rotational power of the driving devices into linear power. By contact/separation between a first rotation plate coupled to a screw shaft and a second rotation plate, a power transmission device switches transmission of power from the second driving device to the screw mechanism. At the normal time, an urging mechanism integrally moves the screw shaft and the first rotation plate in a mold closing direction and releases the connection of the second driving device. When the mold closing is completed, the urging mechanism allows the screw shaft and the first rotation plate to integrally move in a mold opening direction, and brings the second driving device into a connected state.

Abstract: A method for producing a three-dimensional molded object includes a solidified layer forming step, a cooling step, and a warpage measuring step. The solidified layer forming step is performing a recoating step and a solidifying step and maintaining a solidified layer at a molding temperature which is equal to or more than a martensitic transformation start temperature. The cooling step is cooling the solidified layer from the molding temperature to a cooling temperature which is less than the molding temperature and equal to or less than a martensitic transformation finish temperature. The warpage measuring step is measuring warpage of the solidified layer or warpage of a portion that deforms with a deformation of the solidified layer. The solidified layer forming step and the cooling step are repeated while a difference between the molding temperature and the cooling temperature is changed according to the magnitude of the warpage.

Abstract: The invention provides a thawing device including a power and a pair of electrodes connected with the power, and thawing a frozen food disposed between the pair of electrodes through electric heating. The thawing device includes a cooling device configured to cool a temperature of a periphery of the frozen food to a predetermined temperature equal to or higher than a temperature of the frozen food before thawing and equal to or lower than 0° C.

Abstract: An electric discharge machine and an electric discharge machining method for the electric discharge machine are provided. The electric discharge machine includes a circulation pump for pressure-feeding a work fluid in a dirty fluid tank to a filter; a jetting pump for pressure-feeding the work fluid in the clean fluid tank to a jetting nozzle; a feeding pump for pressure-feeding the work fluid in the clean fluid tank to the work tank; and a pump controller for inverter-controlling the circulation pump, the jetting pump, and the feeding pump. The pump controller includes a jetting pump controller configured to set an inverter frequency of the jetting pump, and a feeding pump controller configured to acquire the flow rate of the inverter-controlled jetting pump and set an inverter frequency of the feeding pump based on the flow rate of the inverter-controlled jetting pump.

Abstract: Provided are an injection molding machine and an injection molding method. An injection molding machine includes: a plasticizing unit which rotates a screw to plasticize a molding material inside a plastication cylinder, and an injection unit. The injection unit has: a plunger reciprocally moving inside an injection chamber, and an injection driving device reciprocally moving the plunger. By driving the injection driving device to move the plunger backward and forward inside the injection chamber, and driving a rotary driving device to alternately rotate the screw in a normal rotation direction and a reverse rotation direction, the molding material is controlled to reciprocate between the plastication cylinder and the injection chamber.

Abstract: Provided is an injection device and an injection control method which are capable of preventing a drooping phenomenon from an injection nozzle even during high cycle molding, and capable of appropriately plasticizing and molding a resin having poor thermal stability. An injection device (10) of the disclosure includes: an injection cylinder (30) which accumulates a molding material and has an injection nozzle (33) at the front; an injection plunger (31) which is moved backward in the injection cylinder (30); an injection plunger driving device (50, 150) which moves the injection plunger (31) backward; and an injection controller (60, 160). The injection controller (60, 160) retreats the injection plunger (31) by the injection plunger driving device (50, 150) to perform metering in a plastication metering step of metering the molding material supplied into the injection cylinder (30).

Abstract: An injection molding machine having vent mechanism includes a plastication device, an injection device, a junction, a vent-up sensor, and a controller. The vent-up sensor detects vent-up. When the vent-up is detected, the controller switches from normal conditions to vent-up suppression conditions. The vent-up suppression conditions have at least one of the followings: increasing a rotational speed of the plastication screw to be higher than that in the normal conditions; using retreat-metering when the retreat-metering is not performed in the normal conditions, wherein in the retreat-metering, in addition to a pressure of the resin material, a force in a retreat direction is applied to the injection plunger to move the injection plunger at a predetermined retreat speed in the metering; and increasing the retreat speed of the injection plunger to be higher than that in the normal conditions when the retreat-metering is performed in the normal conditions.

Abstract: An additive manufacturing apparatus includes a chamber, an inert gas supplier, a material recovery pipeline, a material tank, a material replenishment pipeline, a transfer device, a classifier, a gas discharge pipeline, and a pump. The transfer device transfers a metal powder together with an inert gas. The gas discharge pipeline is connected to the transfer device and the chamber. The pump sends the inert gas discharged from the transfer device to the chamber.

Abstract: A manufacturing method of a three-dimensional object includes: a positioning step, an adhering step, a placing step, an additive manufacturing step, and a detaching step. In the positioning step, a fixing plate in which adhesive injection holes are formed is placed on a thin plate, and the thin plate is positioned on the fixing plate. In the adhering step, an adhesive is dripped to the adhesive injection holes, and the fixing plate is adhered to the thin plate. In the additive manufacturing step, a three-dimensional object in which the thin plate and a solidified layer are integrated is formed. In the detaching step, adhesion between the thin plate and the fixing plate is removed by a removing agent corresponding to the adhesive.

Abstract: A manufacturing method of a three-dimensional object includes: a solidified layer forming step of repeating a material layer forming step and a solidification step and laminating a solidified layer; a manufacturing condition setting step of setting an irradiation condition and a division width; an irradiation area determining step of determining an irradiation area for each divided layer obtained by dividing a three-dimensional shape; a dividing step of dividing the irradiation area by the division width along a division direction and forming a divided area; and a scan line setting step of setting a raster scan line within the divided area. A laser beam is scanned along a scan path including the raster scan line. A direction obtained by horizontally rotating the division direction of the irradiation area in a target divided layer is taken as the division direction in the divided layer directly above the target divided layer.

Abstract: An irradiation device of a lamination molding apparatus includes: at least one laser source, generating a laser beam; a first galvano scanner, scanning the laser beam; a second galvano scanner, scanning the laser beam; and an irradiation controller, controlling the laser source, the first galvano scanner, and the second galvano scanner. Irradiable ranges of the laser beams by using the first galvano scanner and the second galvano scanner respectively include an entire of a molding region. A first X-axis galvano mirror and a first Y-axis galvano mirror of the first galvano scanner and a second X-axis galvano mirror and a second Y-axis galvano mirror of the second galvano scanner are disposed to be plane-symmetric to each other.

Abstract: A mold clamping device of an injection molding machine includes a mold clamping shaft fixed to a movable platen, a mold clamping ram to press the mold clamping shaft against a fixed platen, a ram position detecting member that detects a position of the mold clamping ram, an encoder detecting a position of the movable platen, a ram position control member that hydraulically controls a position of the mold clamping ram, a storage unit storing a difference value of mold closing positions of the movable platen before and after mold replacement, and a control unit. The control unit calculates the difference value when mold thickness adjustment is performed, calculates a movement position of the mold clamping ram based on a current position of the mold clamping ram and the difference value, moves the mold clamping ram to the movement position, and stops the mold clamping ram to perform mold clamping.

Abstract: A molding material supply device and a molding material supply method capable of supplying a degassed molding material to a molding apparatus at a desired timing are desired. According to the molding material supply device and method of the disclosure, a first discharge member is driven to discharge a molding material accommodated in a first accommodation member to a second discharge member through a through hole of a die, and a second discharge member configured by the first accommodation member and the die advances to discharge the molding material having been degassed in the second accommodation member to the molding apparatus from a molding material supply port.

Abstract: The disclosure is a heat treatment furnace which heats an element wire for a wire electrode to perform a heat diffusion treatment and includes: first, second and third rotary electrodes to which a voltage is applied; a motor that rotationally drives the rotary electrodes; and a control device. The first, second and third rotary electrodes are arranged in a manner that the element wire is laid in a V-shape or an I-shape in an order of the second rotary electrode, the first rotary electrode and the third rotary electrode from the upstream side in a travel direction of the element wire. The element wire is caused to travel, a voltage is applied to the first, second and third rotary electrodes, and a current flows through and heats the element wire which travels in a first heating section and a second heating section.

Abstract: A method for producing a three-dimensional molded object includes forming a solidified layer by irradiating an irradiation region of a material layer with a laser beam or an electron beam, obtaining data about projections having a height higher than a predetermined value formed on a surface of the solidified layer, calculating heights of the projections, areas of the projections, or the number of the projections based on the data, and determining a molded state of the solidified layer by making a comparison between the calculated heights of the projections and a first threshold relating to heights of the projections, between the calculated areas of the projections and a second threshold relating to an areas of the projections, or between the calculated number of the projections and a third threshold relating to the number of the projections.

Abstract: A stress controlled layer is constituted to include a compressive stress applied part that is a region to which a compressive stress is applied and a compressive stress non-applied part that is a region different from the compressive stress applied part. In a solidifying step, scanning of a laser beam or an electron beam is performed while a scanning direction for the compressive stress applied part is different from a scanning direction for the compressive stress non-applied part such that the compressive stress applied part expands further than the compressive stress non-applied part or the compressive stress non-applied part shrinks compared with the compressive stress applied part based on a relationship between the scanning direction and an expansion quantity or a shrinkage quantity at a time of temperature change or at a time of heat treatment.

Abstract: An additive manufacturing apparatus of the disclosure includes: a supply port that supplies an inert gas to a chamber; a supply nozzle which is attached to the supply port and releases two layers of airflow having different speeds toward the window; and a discharge port that discharges the inert gas from the chamber. The supply nozzle has: a first nozzle member having an inlet surface connected to the supply port; a net-like member which has a plurality of through holes and is attached in a manner of covering a portion of a lower part of an outlet surface of the first nozzle member; and a second nozzle member that is attached to the upper side of the outlet surface of the first nozzle member.