Abstract: Provided are an injection device control method, which is a control method for an injection device including a first cylinder and a second cylinder, and an injection molding system, in which an injection molding is performed with a set temperature of a heater that heats the second cylinder, a rotation speed of a screw in the second cylinder, and a cycle time as parameters. An estimated value (Q2) of energy input from the heater to a molding material and an estimated value (Q3) of energy input from the screw for shearing of the molding material are calculated, and a ratio between (Q2) and (Q3) is visualized and presented to an operator.

Abstract: After the injection shaft moves backward and the gas is supplied into the injection chamber, it is desired to accurately control the gas supply amount in the injection device in which the injection shaft is moved forward to compress and dissolve the gas in the molding material in the injection chamber. An injection device of the disclosure supplies a gas into an injection chamber via a gas supply hole which passes through an injection shaft and is opened at a tip surface of the injection shaft. The injection device of the disclosure has at least one seal ring and at least one piston ring aligned in an axial direction on an outer circumferential surface of the injection shaft.

Abstract: A wire electric discharge machining apparatus includes a wire electrode and upper and lower guide devices guiding the wire electrode, and includes: a power conductor moving in a first direction as a horizontal axis direction and supplying power by contacting the wire electrode; and a fixing device fixing the power conductor in the lower guide device and switchable between a fixed state, in which a movement of the power conductor relative to the lower guide device in a second direction as another horizontal axis direction orthogonal to the first direction is not possible, and a non-fixed state in which such relative movement is possible. The wire electric discharge machining apparatus includes: a pressing device, movable relative to the lower guide device and pressing the power conductor in the non-fixed state to move in the second direction; and a movement device, moving the pressing device relative to the lower guide device.

Abstract: An additive manufacturing method includes a heating step, a manufacturing step, a cooling step, a cutting step, a first correction step, and a second correction step. In the heating step, a build table is heated to a preheating temperature. In the manufacturing step, a solidified layer is formed. In the cooling step, the build table is cooled to a cooling temperature. In the cutting step, a cutting process is performed on the solidified layer. In a first correction step executed after the heating step and before the manufacturing step, a positional misalignment of the base plate is measured, and a coordinate system used in the manufacturing step is corrected. In a second correction step executed after the cooling step and before the cutting step, a positional misalignment of the base plate is measured, and a coordinate system used in the cutting step is corrected.

Abstract: A system estimates a build state of a build object. The system includes an image acquisition unit and an analysis unit. The build object is manufactured by repeating: forming a material layer by supplying material powder onto a build area, and forming a solidified layer by irradiating the material layer with one or more laser beams. The image acquisition unit acquires, in real time, an image of spatter around each molten pool formed by the irradiation of the laser beams. The analysis unit extracts at least one feature related to the spatter from the image, calculates coordinates indicating a position of the molten pool, estimates a local parameter representing the build state of the solidified layer by inputting the at least one feature to a trained model, and outputs the local parameter in a form associated with the coordinates.

Abstract: An injection device of an injection molding machine includes an injection cylinder, a plunger, and a seal cylinder. The seal cylinder has a seal surface facing the plunger, a front surface forming a front surface flow path, and an outer side surface forming a side surface flow path. Between the injection cylinder and a side surface of the plunger, a first clearance is provided which is a gap that allows a molding material to flow through. Between the seal surface and the side surface of the plunger, a second clearance is provided which is a gap smaller than the first clearance and is reducible by a pressure of the molding material generated during dwelling.

Abstract: An injection molding machine and a viscosity measurement method of the disclosure are provided with an injection cylinder to which a viscosity measurement unit is attachable and detachable and a control device. When setting an inner diameter of the injection cylinder or an outer diameter of the injection shaft as D. For a capillary installed to the viscosity measurement unit, a capillary inner diameter is set as d. By respectively using three or more values ?k of the shear rate, k being a natural number, the control device is configured to calculate injection velocities Vk based on Formula (1) and automatically sets a value of the injection velocity Vk within a predetermined range, among the calculated injection velocities, as an injection velocity at a time of viscosity measurement.

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 method for measuring a rotation center of a multi-axis processing machine 100 includes: using reference ball 8 and a measurement device 7 which has a probe 71 and measures, as a measurement value 72, a movement amount of the probe 71 when the reference ball 8 contacts the probe 71; executing a measurement process of rotating the rotation axis to measure the measurement value 72 in a state in which the reference ball 8 installed to one of the processing head 2 and the table 62, 63 contacts the probe 71 of the measurement device 71 installed to another of the processing head 2 and the table 62, 63; and executing a rotation center calculation process of calculating a rotation center of the rotation axis from the measurement value 72, a rotation angle of the rotation axis, and a position of a center of the reference ball 8.

Abstract: A processing apparatus is capable of efficient processing in a short time and obtaining a processed food product with exemplary quality. The processing apparatus includes a processing unit and a pair of electrodes. The processing unit is in a tubular shape, and an accommodation space capable of accommodating a material to be processed is formed as an internal space thereof, and includes a heating unit. A heating space constituting a part of the accommodation space is formed in the heating unit. The pair of electrodes are configured to clamp the material to be processed in the heating space for joule heating, and are configured to be movable from the heating space while clamping the material to be processed.

Abstract: An injection molding machine includes an injection device including at least first and second injection units, and one mold clamping device. A molding material is injected into a first cavity space by the first injection unit, and a molding material is injected into a second cavity space by the second injection unit. The injection molding machine further includes a control device controlling the injection device and the mold clamping device, and a storage device storing a set time in advance. The control device starts injection of the second injection unit after elapse of the set time from a predetermined time point. The predetermined time point is a time point at which the first injection unit starts injection or an earlier time point. The set time is a delay time for delaying start of injection of the second injection unit from start of injection of the first injection unit.

Abstract: The invention provides an electrostatic precipitator, including: a gas inlet, supplied with gas containing dust that is a magnetic substance; a charging part, charging the dust; a collecting part, capturing the charged dust; a cleaning device, including at least one of a charging part cleaning device and a collecting part cleaning device; a magnet filter, provided downstream of the collecting part; an ozone removing filter, provided downstream of the magnet filter and removing ozone from the gas; and a gas outlet, discharging the gas in which the dust and the ozone are removed. In the magnet filter, multiple magnet plates are arranged at a predetermined interval. A downstream side of each magnet plate provided on an upper side with respect to a center is inclined downward. A downstream side of each magnet plate provided on a lower side with respect to the center is inclined upward.

Abstract: A three-dimensional laser beam machining apparatus includes a laser scanning head and a stage configured to be relatively movable with respect to each other, and a controller configured to control the laser scanning head and the stage based on a machining program. The machining program includes instructions regarding an irradiation sequence of the laser beam for a plurality of irradiation areas, each having the predetermined size. The plurality of irradiation areas are areas defined by dividing each of a plurality of layers, obtained by dividing a three-dimensional model of a target shape in a thickness direction, into a predetermined size in a surface direction using division lines. The division lines are offset from each other for each adjacent layer.

Abstract: A method for preparing an additive manufacturing program includes a loading step, a dividing step, an overhang calculating step, a subdividing step, a maintaining step, and an outputting step. In the loading step, a three-dimensional model is loaded. In the dividing step, the three-dimensional model is divided into divided layers. In the overhang calculating step, an overhang angle or overhang length of the divided layer is calculated. In the subdividing step, at least a part of the divided layer including an overhang portion is subdivided into two or more in a lamination direction. In the maintaining step, neither subdivision of the divided layer nor addition of a support structure supporting the divided layer is performed. The subdividing step and the maintaining step are selectively performed based on the overhang angle or overhang length. In the outputting step, an additive manufacturing program defining a command pertaining to additive manufacturing is output.

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 electrostatic chuck includes a substrate, a bush, an attraction electrode, a dielectric layer, and a temperature adjuster. The substrate includes a first surface having electrical insulation properties and a second surface, and has a through hole formed therein that penetrates the first surface and the second surface. The bush is a bottomed cylindrical body inserted into the through hole, and is configured so that a temperature sensor for measuring a temperature of the bottom plate is capable of being attached thereto. The attraction electrode is formed on the first surface and is made of an electric conductor. The dielectric layer is formed so as to cover the bush and the attraction electrode, and is configured to be capable of attracting a workpiece. The temperature adjuster is configured to be capable of adjusting a temperature of the workpiece.

Abstract: A secondary molding device for meat substitutes obtains a secondary molded product by heating a minced protein material in a pressurized state to bond protein components of the minced material and mold the same into a desired shape. The secondary molding device for meat substitutes includes a sealed pressurizing and heating chamber. The secondary molding device for meat substitutes includes a pressurizing device that pressurizes the minced material filled in a lower mold in the pressurizing and pressurizing and heating chamber at a predetermined pressure, and a high frequency power supply device that, within 300 seconds, supplies a high frequency current to the material in the pressurizing and heating chamber in accordance with the type of material to heat the material at a temperature of 110° C. or higher and 140° C. or lower.

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: A stirring apparatus includes a bed, a column, a revolution shaft, a revolution driving device, a support member, and a stirring unit. The revolution shaft is supported by the column and extends in a horizontal direction. The revolution driving device rotates the revolution shaft about a first center line being an axis of the revolution shaft. The support member is fixed to the revolution shaft. The stirring unit includes cups and a self-rotation mechanism. The cups are disposed on a circumference centered on the first center line via the support member. The self-rotation mechanism rotates the cups about a second center line passing through a center of the cups. The cups is provided in an inclined manner so that a perpendicular from the center of a bottom plate to the first center line is shorter than a perpendicular from the center of an opening to the first center line.

Abstract: A build region limitation unit for an additive manufacturing apparatus includes a movable unit fixed to a build table and a non-movable unit placed on a base frame. The movable unit includes a first anti-scattering frame provided to protrude upward. The non-movable unit includes a flat plate that covers a first build region with a portion other than an opening and forms a second build region, and a second anti-scattering frame that is provided to protrude downward at an outer periphery of the opening. The first anti-scattering frame surrounds the second anti-scattering frame with a gap therebetween.