Abstract: A barrel main body, a sleeve, and a fixing mechanism (a fastening hole and a fastening device) are provided. The barrel main body includes a barrel hole having a cylindrical shape and a slit dividing an inner circumferential surface of the barrel hole. The sleeve having a hollow cylindrical shape is removably incorporated into the barrel hole. The slit includes two cutout surfaces facing each other with a space between. The fixing mechanism brings the inner circumferential surface of the barrel hole into close contact with the sleeve without any gap by narrowing the space between the cutout surfaces and deforming the barrel main body.

Abstract: According to an embodiment, a nozzle of an additive manufacturing device includes a first inner surface that defines a first path through which an energy ray passes; and a second inner surface that defines a second path that extends along the first path and through which gas and a powder material pass. The first path opens to a leading end of the nozzle. The second path opens to near or around the first path. At least part of the second inner surface includes a first region having a larger friction coefficient for the powder material than the friction coefficient of at least one of the first inner surface and an outer peripheral surface of the leading end.

Abstract: A die casting machine includes a plurality of ejector pins capable of advancing and retracting together with respect to the internal portion of a die; an electric motor capable of driving the plurality of ejector pins; a position sensor capable of detecting the positions of the plurality of ejector pins; a force sensor capable of detecting the pressure which is given to the molding material inside the die by the plurality of ejector pins; a display device capable of displaying images, and a control device controlling the electric motor and display device. The control device includes a drive control part which controls the electric motor so as to generate a driving force making the plurality of ejector pins advance to the inside of the die after the start of injection and before die opening, and a display control part which controls the display device so as to display the position detected by a position sensor and the pressure detected by a force sensor along a common time axis.

Abstract: The present invention provides a movable platen support apparatus which, with a linear guide having a minimum necessary load rating, can secure a sufficient traveling life of the linear guide and, in addition, can secure the rigidity of the linear guide which is necessary and sufficient taking into consideration a moment that acts on a movable platen. A movable platen support apparatus 40 according to the present invention includes a guide mechanism which movably engages a rail 41 extending on a frame 11 in the direction of movement of a movable platen 16, to which a movable mold 19 is to be mounted, and which movably supports the movable platen 16. The guide mechanism includes a linear guide 42 composed of blocks 42a to 42d arranged in a line, in which at least one of the blocks 42a to 42d, e.g. the blocks 42b, 42c, has a load rating which differs from the load rating(s) of the other block(s), e.g. the blocks 42a, 42d.

Abstract: The polishing apparatus includes: a holding section that holds a material to be polished; the polishing body that polishes the material to be polished held by the holding section; the head that supports the polishing body via the elastic mechanism; a driving mechanism that causes the head to be moved in a Z coordinate direction; and a control unit that is connected to the driving mechanism and controls the driving mechanism. A load measurement device to measure a load applied to the polishing body is attached to the head, and the load measurement device is connected to the polishing body via the elastic mechanism.

Abstract: A polishing apparatus includes: a holding section that holds a material to be polished; a polishing body that polishes the material to be polished held by the holding section; a head that supports the polishing body via an elastic mechanism; a driving mechanism that causes the head to be moved in a Z coordinate direction; a control unit that controls the driving mechanism; and a position sensor that measures a position of the polishing body with respect to the head. The load control is performed based on a measurement value of the position sensor and a spring constant value of the elastic mechanism.

Abstract: A barrel block for a twin-screw extruder constitutes a barrel including a cylinder and has joints at both ends. A first joint includes a first inner joint face on a peripheral edge of a first hole of an insertion hole for screws, and includes a first flank face and a first outer joint face on an outer periphery of the first inner joint face. The first outer joint face is located in the outer periphery of a plurality of first bolt holes. The first outer joint face is more recessed toward a second block end face than the first inner joint face.

Abstract: According to one embodiment, a transfer apparatus includes a transfer roller which supports a mold and transfers a fine transfer pattern formed on the mold to a resin coated on a substrate installed in a substrate installation part with movement of the transfer roller and a transfer roller guide part for guiding the transfer roller when the mold is pressed against the resin coated on the substrate installed in the substrate installation part by the movement of the transfer roller.

Abstract: According to one embodiment, a transfer apparatus includes a rolled web mold installation part for installing a rolled web mold around which the mold is wound, a transfer roller for winding the mold fed out from the rolled web mold, a winding roll for winding up the mold, a winding roll installation part for installing the winding roll therein, and a mold installation assisting part for guiding the mold fed out from the rolled web mold up to the winding roll while suppressing an occurrence of wrinkles in the mold fed out from the rolled web mold.

Abstract: An apparatus for manufacturing a molded body assembly includes: a to-be-molded body holder configured to hold a to-be-molded body placed thereon; a raw material roll placement portion in which a mold raw material roll is placed; a mold holder configured to hold a leading edge portion of an uncut mold extending from the mold raw material roll, and to move relative to the to-be-molded body holder; a transfer unit configured to transfer a fine transfer pattern of the uncut mold to the to-be-molded body placed on and held by the to-be-molded body holder, a cutting unit; and a controller configured to control the to-be-molded body holder, the mold holder, the transfer unit, and the cutting unit configured to cut the uncut mold at a predetermined position in a longitudinal direction thereof, thereby manufacturing a mold body assembly.

Abstract: A shape forming system according to one embodiment includes a mold assemblies; a heating unit; a pressing unit; a cooling unit; an isolation chamber configured to accommodate therein the heating unit, the pressing unit, and the cooling unit arranged in parallel with each other; and a conveyance unit configured to move the plurality of mold assemblies each of which is arranged on a plate provided in each of the heating unit, the pressing unit, and the cooling unit to thereby convey the mold assemblies in sequence.

Abstract: In a precision machine tool wherein a spindle head that is movable in the up and down direction is disposed on a column disposed on a bed and a water storage space for storing temperature-regulated cooling water is formed inside the column, the column has, in a lower part thereof, intake ports through which cooling water is led into the water storage space, the column has, in an upper part thereof, and an air vent hole through which air in the column is discharged is formed at a position higher than the drain opening.

Abstract: A convey device, which conveys an insert member into a die, includes a holding device configured to hold the insert member in an attitude in which a major surface of the insert member is in a substantially gravitational direction; a convey mechanism configured to convey the insert member to the die, while the insert member is being held in the attitude by the holding device; and a heating device configured to heat the insert member. The insert member can be heated by the heating device before the insert member is disposed in the die.

Abstract: A nozzle according to one embodiment has an inner surface and an outer surface, and is provided with a first passage through which an energy ray passes, and a second passage that is provided between the inner surface and the outer surface, and through which powder and fluid pass. The second passage includes a second open end on one end thereof in a first direction. A first surface that is one of the inner surface and the outer surface includes a first edge on one end thereof in the first direction. A second surface that is the other one of those includes a second edge on one end thereof in the first direction, and is distanced from the first edge toward the first direction. The fluid ejected from the second open end flows along the second surface, and separates at the second edge.

Abstract: A molding apparatus includes a gate for filling a plasticized raw material into an injection molding space in which two intermediate base materials are set, and one of the intermediate base materials includes a hole portion. The molding apparatus includes a holder unit which is able to position the two intermediate base materials in the injection molding space opposite to each other, and a support mechanism including a pressing surface for making the hole portion adjacent to the gate by pressing the two intermediate base materials positioned in the injection molding space toward a periphery of the gate.

Abstract: A nozzle according to one embodiment includes a nozzle unit and a guide surface. A first passage, a second passage, and the guide surface are provided to the nozzle unit. The first passage has a first open end. The second passage has a second open end, and a section that is positioned upstream of the second open end and that extends in a second direction. The guide surface has an edge in a first direction. The guide surface is exposed on the outer side at the edge, is along a third direction at the edge, the third direction being a direction becoming more distanced from an axis than the second direction does, as the third direction is extended further toward the first direction. A flow of fluid ejected from the second open end follows the guide surface, and becomes separated from the nozzle unit at the edge.

Abstract: A high-speed grooving method includes: a dummy machining step of machining a dummy groove in the surface of the workpiece by moving the cutting tool relative to the workpiece in a first direction, then turning the cutting tool 180 degrees, and subsequently further machining the dummy groove by moving the cutting tool in a second direction opposite to the first direction; a step of measuring a displacement of the cutting edge of the cutting tool, caused by the inversion of the cutting tool, from the dummy groove formed in the surface of the workpiece; a forward-stroke machining step of machining a groove with the cutting tool in the surface of the workpiece by moving the cutting tool relative to the workpiece in the first direction; a cutting tool inversion step of turning the cutting tool 180 degrees after completion of the forward-stroke machining step, thereby setting the direction of the cutting edge of the cutting tool to a direction opposite to the first direction so that the workpiece can be machined du

Abstract: According to one embodiment, a transfer apparatus includes a coating part for coating an uncured resin on a substrate, a substrate installation part for positioning and installing the substrate integrally, a mold installation part for installing a sheet-like mold, a transfer roller for transferring a fine transfer pattern formed on the mold to the resin coated on the substrate, and a plasma unit for cleaning the mold by irradiating plasma to the mold peeled off from the resin after transferring. After cleaning by the plasma using the plasma unit, the cleaned mold is used again for transferring of the transfer pattern.

Abstract: An optical sheet forming technique includes an extrusion unit having a discharge slit, a forming roll unit having rolls rotatable about rotation axes, a thick portion forming groove provided in the forming roll unit, and a position adjustment mechanism which adjusts a position of a discharge slit with respect to the thick portion forming groove. In a discharged molten resin, a neck-in portion caused by a neck-in phenomenon is continuously formed in an extrusion direction. The neck-in portion is positioned to be opposed to the thick portion forming groove by the position adjustment mechanism.

Abstract: An apparatus includes a first roll and a second roll on each of which a pattern is formed, a first motor and a second motor to rotate the respective rolls, a shaft direction supporting mechanism to support the second roll along a shaft direction and an axial position adjusting mechanism configured to move the shaft direction supporting mechanism along the shaft direction. The posture of the rotating shaft of the second motor is maintained constant at all times, and the second roll is moved in the shaft direction along the first roll, thereby adjusting the positions of both patterns on the first roll and the second roll along the shaft direction.