Abstract: An extruder according to an embodiment includes: a screw configured to rotate around a rotation axis extending in one direction; a cylindrical cylinder extending in the one direction, the cylinder being configured to house the screw; a drive unit disposed at one end of the cylinder, the drive unit being configured to rotate the screw; a die disposed at the other end of the cylinder, the die being configured to discharge a raw material kneaded by the rotation of the screw a as a strand; an adjustment unit disposed between the cylinder and the die, the adjustment unit being configured to adjust a flow-velocity distribution of the raw material flowing into the die; and a detection unit configured to detect a discharge amount of the strand discharged from the die.

Abstract: A vertical injection molding machine includes a mold clamping device configured to clamp a mold, an injection device provided on the mold clamping device, the injection device being configured to inject an injection material, a controller including an operation terminal, the operation terminal provided on an operation side of the vertical injection molding machine, and a safety fence surrounding other three sides of the vertical injection molding machine except for the operation side. Alight curtain and a cover are provided on the operation side. The light curtain includes a plurality of spaced light sources and the same number of light receiving sensors, the light curtain being configured to detect an entry into the mold clamping device from the operation side. The cover is disposed on or above the light curtain.

Abstract: Link devices include a plurality of link mechanisms which are coupled so as to form an endless chain and can move along two rails. Each of the link mechanisms includes first and second rail holders, a plurality of guide rollers provided on the first rail holder and moving along one rail while rotating, and a plurality of guide rollers provided on the second rail holder and moving along the other rail while rotating. The plurality of link mechanisms include three-roller link mechanisms in each of which three guide rollers are provided on the first rail holder and two-roller link mechanisms in each of which two guide rollers are provided on the first rail holder, and the three-roller link mechanisms and the two-roller link mechanisms are arranged alternately.

Abstract: A twin injection molding machine includes: a mold clamping device configured to clamp a mold; and first and second injection devices each including: a heating cylinder; a screw disposed in the heating cylinder; and a screw driving device including driving system components and configured to drive the screw. The first and second injection devices are disposed symmetrically with respect to a machine center line of the mold clamping device. The driving system components provided in the screw driving device of the first injection device and the driving system components provided in the screw driving device of the second injection device are each disposed on a side away from the machine center line in the respective screw driving devices.

Abstract: An injection molding machine (1) including: a bed (B); an injection device (3) provided to be movable with respect to the bed (B); a mold clamping device (2) provided on the bed (B); and a movement device (5) configured to move the injection device (3), in which the movement device (5) includes a hydraulic cylinder and a hydraulic pump for supplying a working fluid to the hydraulic cylinder, and the hydraulic pump is provided inside the bed (B).

Abstract: Provided is an injection molding machine system (1) that performs control of molding conditions in an injection molding machine (2) by an agent (6) including a machine learning device which performs reinforcement learning. In the present learning, physical data obtained from the injection molding machine (2) and a defect type indicating the type of a molding defect in a molded article are used as states, molding conditions are used as actions, and a defect state indicating the defect level of the molding defect is used as a reward.

Abstract: An anomaly detection system (1) according to an aspect of the present invention is an anomaly detection system (1) for detecting an anomaly in a reduction drive (10), the anomaly detection system (1) including: a sensor (11_1 to 11_3) attached to a housing of the reduction drive (10), the sensor (11_1 to 11_3) being configured to detect vibration on the surface of the housing of the reduction drive (10); a statistical analysis unit (12) configured to perform a statistical analysis on the vibration detected by the sensor (11_1 to 11_3); a frequency analysis unit (14) configured to perform a frequency analysis on the vibration detected by the sensor (11_1 to 11_3); and an anomaly determination unit (17) configured to perform anomaly determination on the reduction drive (10) based on a result of the statistical analysis and a result of the frequency analysis.

Abstract: A stepped flight is formed on a screw of an injection molding machine. The stepped flight is a flight in which a step-shaped step portion is formed on a top portion thereof. The top portion of the flight includes a large diameter portion on an upstream side and a land portion on a downstream side. When a gap ratio m of a gap H1 between the land portion and a bore of the heating cylinder to a gap H2 between the large diameter portion and the bore is defined as H1/H2, the gap ratio m is selected to be 2.3?m?6.4.

Abstract: The interior of a heating cylinder (2) is divided into a first stage (5) and a second stage (7) due to the shape of a screw (3). A first compression zone in which a resin is compressed is formed in the first stage (5). A starvation zone (7a) in which an inert gas is injected and a second compression zone in which the resin is compressed are formed in the second stage (7). A barrier flight (13) that is obtained by combining a main flight (14) and a sub-flight (15) having a greater lead angle than the main flight is provided to a section of the screw (3), said section corresponding to the first compression zone. A multiple flight is provided to another section of the screw (3), said section corresponding to the second stage (7).

Abstract: An operation quantity determination device for determining an operation quantity related to a molding machine, includes an observation unit configured to acquire observation data obtained by observing a physical quantity related to molding by the molding machine when the molding is executed, a state expression unit configured to generate a state expression map expressing a state of the molding machine based on the observation data acquired by the observation unit, and an operation quantity output unit configured to output the operation quantity based on the state expression map generated by the state expression unit.

Abstract: A screw adjustment method in a thermosetting resin injection molding machine including a cylinder having a nozzle at a tip end of the cylinder and a screw accommodated in the cylinder. The screw adjustment method includes: contacting a screw and nozzle including bringing a tip end surface of the screw into contact with a tip end inner surface of an inner peripheral surface of the nozzle; moving the screw backward by a specified length after the contacting of the screw and the nozzle; and determining a screw position of the screw moved backward as a most forward position of the screw in a molding cycle.

Abstract: A mold clamping device includes: a fixed platen; a movable platen; a rotary platen provided on one platen of the fixed platen and the movable platen, to which a mold is attachable; and an extrusion device provided on the one platen and configured to extrude a molded article from the mold. The rotary platen is disposed at a side of a surface of the one platen facing the other platen to face the one platen and is rotatable via a bearing structure. The extrusion device is disposed on a surface of the one platen opposite to the surface facing the other platen. The bearing structure is configured to bear the rotary platen at a position away from a rotation center in a radial direction. The extrusion device has an ejector rod that protrudes radially inward than the bearing structure.

Abstract: A molding cycle stopping method includes: in a case of stopping an operation of a molding cycle in an injection device including a heating cylinder and a screw provided in the heating cylinder, performing a temperature lowering process including lowering a temperature of the heating cylinder from a molding cycle execution temperature to a standby temperature; and performing a continuous purge process including repeatedly purging a resin until a predetermined termination condition is satisfied.

Abstract: A film stretching apparatus includes: a pair of first and second link devices configured to be able to carry and stretch a film and each composed of a plurality of links coupled to form an endless chain; a heat treatment unit configured to cover a central portion of the first and second link devices and perform a heat treatment to the film; a sprocket (first link drive mechanism) arranged outside the heat treatment unit and on an inlet side of the film and configured to drive the plurality of links; a sprocket (second link drive mechanism) arranged outside the heat treatment unit and on an outlet side of the film and configured to drive the plurality of links; and a sprocket (link adjustment mechanism) arranged outside the heat treatment unit and on the outlet side of the film and configured to reduce a pitch of the plurality of links.

Abstract: A method of manufacturing an all-solid-state battery and an apparatus for manufacturing the same are provided. The method of manufacturing the all-solid-state battery includes: (a) a step of forming a non-woven fabric having a fiber made of a resin; (b) a step of applying a slurry containing solid electrolyte particles onto the non-woven fabric; (c) a step of drying the slurry on the non-woven fabric by a heater; (d) a step of pressurizing the slurry on the non-woven fabric by a roller; (e) a step of forming a positive electrode member on one surface of the solid electrolyte membrane; and (f) a step of forming a negative electrode member on the other surface of the solid electrolyte membrane. The step (a) is a step of forming the non-woven fabric by making a resin containing a polar filler fibrous by a laser electrospinning method.

Abstract: An abnormality detection apparatus for detecting an abnormality of a ball screw provided in an injection molding machine includes: a vibration sensor configured to detect vibration of the ball screw; and a computation unit configured to detect an abnormality of the ball screw based on information related to a distribution of frequency components obtained by frequency analysis of a vibration intensity detected by the vibration sensor, and information related to a distribution of frequency components obtained by frequency analysis of a vibration intensity detected when the ball screw, which is normal, operates.

Abstract: The present invention relates to a mold clamping device that includes: a fixed platen to which a mold is attachable; a movable platen configured to move closer towards or away from the fixed platen; and a rotary platen disposed to face a surface of the movable platen facing the fixed platen and to which a mold is attachable. A cylindrical protrusion is fixedly installed on the surface of the movable platen facing the fixed platen. The rotary platen is rotatably connected to the protrusion via a bearing structure.

Abstract: An injection molding machine includes a control device configured to estimate a service life for a plurality of managed components among components of an injection molding machine. The control device is configured to manage, for each of the managed components, a usage start date, an estimated service life date, and an estimated lead time. In a case where one or a plurality of the managed components reaches an advance notice date, the control device is configured to: take the managed component as a recommended replacement component; and provide component replacement recommendation information including information to prompt replacement and the estimated lead time for the recommended replacement component.

Abstract: The present invention relates to a position determining mechanism for a rotary platen. The rotary platen is disposed to face a mold platen and is provided to be rotatable with respect to the mold platen. The position determining mechanism includes a position determination part which is provided to one platen of the mold platen and the rotary platen, and a position determination driving mechanism which is provided to the other platen, in which the position determination driving mechanism includes a press member and a pressing device, and when the press member is pressed by the pressing device and the press member is fitted into the position determination part, a rotation position of the rotary platen is determined.

Abstract: A rotary platen, which is disposed to face a mold platen, which is provided to be rotatable with respect to the mold platen, and to which a mold is attachable. A plate-form member is attached to a surface of the rotary plate that faces the mold platen. A contour shape of the plate-form member is non-circular.