Abstract: A metering device includes a storage tank, a funnel, a feeder, at least one measuring container, a first driver, and a second driver. Liquid and string-shaped foods are sent from the storage tank to the funnel by the feeder. The measuring container is provided under the funnel in a measuring position, and volumetrically meters the string-shaped foods sent from the funnel while ejecting the liquid. The first driver moves the funnel or the measuring container to insert the funnel into the measuring container at a time of metering, and moves the funnel or the measuring container to separate the funnel from the measuring container after metering is completed. The second driver moves the measuring container from the measuring position to an ejecting position.

Abstract: A lamination molding apparatus includes a chamber that covers a molding region, an irradiator that irradiates a material layer formed in the molding region with a laser beam or an electron beam and forms a solidified layer, a supply port that supplies an inert gas to the chamber, a discharge port that discharges the inert gas from the chamber, an inert gas supplier which is connected to the supply port and supplies the inert gas to the chamber, a fume collector, and an oxygen concentration adjustor. The fume collector has an inlet, a charging section, a collecting section, and an outlet. The oxygen concentration adjustor is connected between the discharge port and the charging section and supplies, to the fume collector, an adjusting gas having an oxygen concentration higher than an oxygen concentration of the inert gas which is discharged from the discharge port.

Abstract: An additive manufacturing apparatus of the disclosure includes: a data acquiring device which acquires at least one of first data showing an irradiation state of a laser beam, second data showing an inert gas state, and third data showing a formation state of a material layer and fourth data showing a manufacturing position state; and a determination device which determines whether or not there is an abnormality in a manufacturing state of a solidified layer based on the fourth data and identifies factors of abnormalities from the operating state of the additive manufacturing apparatus to the manufacturing state of the solidified layer based on at least one of the acquired first to third data.

Abstract: A core moving device is provided, including a core adsorption holding part for adsorbing and moving a core cut out of a workpiece with a magnetic force of a magnet. The core adsorption holding part includes: a rod member, a distal end portion of which is constituted of the magnet; a bottomed cylindrical member which has a bottom surface on a distal end portion side and into which the rod member is inserted from a base end portion side; and a cylindrical member drive part which moves the bottomed cylindrical member forward, wherein the bottomed cylindrical member, on one hand, moves backward to adsorb the core to the magnet and, on the other hand, moves forward to remove the core adsorbed to the magnet.

Abstract: An additive manufacturing apparatus includes a chamber, a material layer former, and a guide member. The material layer former includes a base on which a molding region is present, a recoater head that moves on the base in a horizontal direction while discharging material, and a blade that levels the material to form a material layer. The guide member includes a feed chute that is configured to enable the material to be flowed, a shaft that is provided to shut a lower end portion of the feed chute and has a through hole, and a rotary actuator that rotates the shaft. The discharge of the material is switched to an on- or off-state by rotating the shaft.

Abstract: The present invention provides a system capable of estimating a molding state in a manufacturing process of the lamination molded object. According to the present invention, provided is a system for estimating a molding state in a manufacturing process of the lamination molded object including an image acquisition unit and an analysis unit. The lamination molded object is manufactured by repeating a material layer forming step of forming a material layer by supplying material powder onto a molding region and a solidified layer forming step of forming a solidified layer by irradiating the material layer with a laser beam. The image acquisition unit is configured to acquire image data of a spatter generated around a molten pool formed by irradiation with the laser beam. The analysis unit is configured to analyze the image data to estimate a parameter representing the molding state.

Abstract: An additive manufacturing apparatus includes a chamber, a material layer former, an inert gas supplier, and a material supply unit. The material supply unit includes a material tank, a transporter, and a sieve. The material tank stores material. The transporter transports the material discharged from the chamber and the material tank to the highest level of a conveyance route of the material. The sieve is provided below the transporter and above the chamber, removes impurities from the material sent from the transporter and then discharge the material downward to replenish the material layer former with the material.

Abstract: A change device, a fine hole electric discharge machine, and an electrode change method that enable automatic and continuous machining of a large number of holes using electrodes of different diameters. A fine hole electric discharge machine including automatic electrode supply devices and a first change device is provided. The automatic electrode supply device includes an electrode cartridge storing a plurality of electrodes of a predetermined diameter and an electrode feeder device supplying the electrodes one by one from the electrode cartridge. The first change device includes a first magazine accommodating the automatic electrode supply devices in a detachable manner and a first transfer device transferring the automatic electrode supply device between the first magazine and a first chuck on a machining main spindle. The first magazine accommodates a plurality of automatic electrode supply devices storing the electrodes of different diameters.

Abstract: An electrical discharge machine includes a critical angle detection device that detects a critical angle of a machining fluid in which a corrosion inhibitor is added. The critical angle detection device includes a prism, a light source, an image sensor, an electrical circuit, and a slit. The prism has an incident surface, a boundary surface, a reflection surface, and an emission surface. The light source irradiates an incident light from the incident surface to the boundary surface. The image sensor includes a plurality of photodetectors that detect a reflection light. The electrical circuit calculates the critical angle by arithmetically processing output signals output from the plurality of photodetectors. The slit is arranged on an optical axis of the reflection light between the prism and the image sensor to block a scattered light.

Abstract: A cassette type mold apparatus includes a sub-runner formed on a parting surface of a fixed side matrix or a movable side matrix, a gate provided in a fixed side cassette mold or a movable side cassette mold and configured to inject a molten resin into a cavity space from the sub-runner, and a hot runner provided on the fixed side matrix so that a tip end thereof is aligned with the sub-runner to be perpendicular to the sub-runner and is in parallel with a mold opening and closing direction. In the cassette type mold apparatus, the movable side cassette mold can be stacked on the fixed side cassette mold in a state in which a cavity and a core are aligned and can be integrally loaded in a direction of a side surface of the entire mold.

Abstract: In a wire electrical discharge machining device, a wire electrode released from a wire bobbin can be supplied toward a wire electrical discharge machining portion without generating permanently bending or twisting. A first pulley, which receives a wire electrode fed out from a wire bobbin and delivers the wire electrode to the downstream side, is disposed to wind the wire electrode WE to a first delivery position of an outer peripheral portion opposite to a first reception position across a central portion in a radial direction and deliver the wire electrode WE downward. The first pulley is swingable in the horizontal direction with one end in the radial direction as a fulcrum. The swing fulcrum is disposed, in the width direction of the wire bobbin, within a range from one end to the other end in the width direction of the wire bobbin.

Abstract: A core moving device includes a core adsorption holding part which adsorbs a core cut out of a workpiece with a magnet and moves the core, in which the core adsorption holding part includes a rod member in which a distal end portion thereof is constituted of the magnet, a cylindrical member into which the rod member is inserted and which, on one hand, moves backward to expose a distal end surface of the rod member so that the core is adsorbed to the distal end surface of the rod member and, on the other hand, moves forward to protrude from the distal end surface of the rod member so that the core is removed from the distal end surface of the rod member, and a cylindrical member drive unit which at least moves the cylindrical member forward.

Abstract: The method for producing a three-dimensional molded object comprises a placing step, a molding step, and an upper surface processing step. The placing step is a step of placing a base plate and a mounting plate within a molding region. A first material powder layer is formed on the base plate; and the base plate is fixed to the mounting plate at a central part of the base plate to an extent that the base plate is not displaced. The molding step is a step of laminating sintered layers to form a sintered body. The sintered layers are laminated by repeatedly spreading material powder to form a material powder layer and irradiating the material powder layer with a beam to form the sintered layer. The upper surface processing step is a step of planarizing an upper surface of the sintered body to form a processed surface.

Abstract: An electric discharge machine includes a DC power supply, a main switching element, a polarity switching circuit, a pulse generator, a detector, and a discharge controller. The DC power supply supplies a current to a machining gap. The pulse generator switches the main switching element and one of a positive switching element and a reverse switching element of the polarity switching circuit at a predetermined switching frequency. The detector detects an interpolar voltage in the machining gap. The discharge controller includes a storage that stores a coefficient indicating a removal quantity per discharge count for each operation pattern, and a calculator that calculates the discharge count from the interpolar voltage and estimates the removal quantity from the discharge count and the coefficient according to the operation patterns.

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: An electric discharge machining apparatus includes a tool electrode that performs electric discharge machining to a workpiece, a housing in which the tool electrode is inserted, a compressed gas supplying device for supplying compressed gas into a mist generating region which is provided between an inner wall of the housing and the tool electrode, a first flow path through which the compressed gas flows and connecting the compressed gas supplying device with the mist generating region, a pressurized working fluid supplying device for supplying pressurized working fluid into the mist generating region, and a second flow path through which the pressurized working fluid flows and connecting the pressurized working fluid supplying device with the mist generating region.

Abstract: A lamination molding method, which repeats a material layer forming step of forming a material layer and a solidifying step of irradiating an irradiation region of the material layer with laser beams scanned by n scanners to form a solidified layer, includes: a first dividing step and an irradiation order deciding step. In the first dividing step, the irradiation region is divided to 2n-1 or more divided regions by a plurality of first dividing lines in a manner that irradiation time of each of the divided regions to which the laser beams are simultaneously irradiated becomes equal. In the irradiation order deciding step, an irradiation order of the divided regions in the solidifying step is decided in a manner that the laser beams are simultaneously irradiated to the divided regions that are not adjacent, and the laser beams are not simultaneously irradiated to the divided regions that are adjacent.

Abstract: A lamination molding apparatus capable of stably supplying material powder on a molding table. Provided is a lamination molding apparatus including a chamber, a recoater head, and a recoater head driving mechanism. The chamber covers a molding region. The recoater head comprises a material case and is configured to be moved so as to form a material powder layer. The material case includes a case outlet for discharging the material powder and a pair of inclined side surfaces arranged with the case outlet interposed therebetween. The inclined side surfaces are inclined toward the case outlet so that inclination angles between a horizontal plane and the inclined side surfaces are different from each other. The recoater head driving mechanism includes a motor and a control unit, and the control unit is configured to vibrate the recoater head to facilitate discharge of the material powder.

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: A machine tool includes a ram extending in a longitudinal direction and being disposed horizontally, a processing head attached to the ram, a tower connected to the ram in a state of upwardly standing at an intermediate position in the longitudinal direction of the ram and having an adjustable height, a front arm connected to a front portion of the ram, and a rear arm connected to a rear portion of the ram. The tower includes a base portion fixed to the ram, an arm connection portion connecting the front arm and the rear arm, and a jack-up bolt. The jack-up bolt is in contact with one of the base portion and the arm connection portion in a vertical direction, and threadingly engaged to the other one of the base portion and the arm connection portion. The jack-up bolt pushes the arm connection portion upwardly by screwing or unscrewing.