Abstract: Provided is a three-dimensional modeling apparatus including: a drive motor; a screw that has a groove formation surface with a groove formed therein and that is rotated by the drive motor; a barrel that has a facing surface facing the groove formation surface and having a communication hole at the center thereof and a heater; and a nozzle that ejects a modeling material supplied from the communication hole, in which 0.03?(Ss/Ls)/(Sn/Ln)?5.00??(1) where Ss is an average sectional area that is an arithmetic mean between a maximum sectional area and a minimum sectional area of the groove, Ls is a length of the groove, Sn is a sectional area of the nozzle, and Ln is a length of the nozzle.

Abstract: A spectacle lens manufacturing system includes resin material filling means which fills a lens mold with a lens material (heat-curable resin material), and at least a portion of the lens mold is formed by a three-dimensional printer. The lens mold includes a front lens mold having a rear surface that defines a front surface of a spectacle lens, a rear lens mold having a front surface that defines a rear surface of the spectacle lens, and a side peripheral lens mold having an inner surface that defines a side periphery of the spectacle lens. The side peripheral lens mold is formed by the three-dimensional printer.

Abstract: Switching devices for a printing mode of a 3D printer are disclosed. In some embodiments, the switching devices includes: a component platform with at least two platform bodies (200); at least two handpiece guiding parts (110); at least two platform guiding parts (210); at least two handpiece transmission mechanisms (120); a handpiece drive mechanism configured to drive the handpiece transmission mechanisms (120) to move synchronously; at least two platform transmission mechanisms (220); and a platform drive mechanism configured to drive the platform transmission mechanisms (220) to move synchronously.

Abstract: The present disclosure relates to a method of fabricating a ceramic composite components. The method may include providing at least a first layer of reinforcing fiber material which may be a pre-impregnated fiber. An additively manufactured component may be provided on or near the first layer. A second layer of reinforcing fiber, which may be a pre-impregnated fiber may be formed on top the additively manufactured component. A precursor is densified to consolidates at least the first and second layer into a densified composite, wherein the additively manufactured material defines at least one cooling passage in the densified composite component.

Abstract: An electronic cigarette or vaporizer may include a shell and a cartomizer receivable within a chamber within a portion of the shell. A basin may be included in the cartomizer to hold a vaporizable fluid, dry substance, or other vaporizable substance such as a wax. A heating element may be provided within the basin which may have a flexible non-conductive material and a flexible conductive material.

Abstract: In a 3D-printing system, a deposition head comprising a band assembly having a body and a band for compacting a filament onto the surface of an object being manufactured. One or more actuators are mounted on the assembly body and are used to shape the band to a desired contour. The band is connected to the one or more actuators, and is capable of being driven along its length by one or more drive wheels. For example, the band can be in the form of a loop, arranged such that the front of the loop is in contact with a front wheel, the back of the loop is in contact a rear wheel, and the bottom of the loop faces toward the surface of the object. The band assembly further comprises a compaction support supporting the band and comprising a roller that permits the band to move along its length.

Abstract: An electronic cigarette has a conduit arranged in a atomizing stem, the conduit has a first segment and a second segment in communication with the first segment, the first segment has a wider inner space than the inner space of the second segment; a storage chamber is inside the atomizing stem and surrounds the conduit; and a heating device arranged inside the inner space of the first segment of the conduit for atomizing an atomizable material coming from the storage chamber.

Abstract: In a 3D-printing system, a deposition head comprising a band assembly having a body and a band for compacting a filament onto the surface of an object being manufactured. One or more actuators are mounted on the assembly body at a front mounting point or a rear mounting point, or both, and are used to shape the band to a desired contour. The band is made of a flexible material, and has a first and second connecting point, wherein at least one of them is connected to the one or more actuators. The intermediate portion of the band between the connecting points is curved toward the surface of the object being manufactured to enable the portion to come into contact with and to compact the filament onto the object. The band assembly further comprises a compaction support extending from the assembly body toward an inward-facing surface of the band.

Abstract: Processes for the manufacturing of dip-molded articles can include the application of compression to remove molding materials from within the dip-molded articles. In some embodiments, inflatable implantable medical devices are dip-molded and can be manufactured using such compression processes.

Abstract: The present disclosure is directed to an apparatus for manufacturing a composite component. The apparatus includes a mold onto which the composite component is formed. The mold is disposed within a grid defined by a first axis and a second axis. The apparatus further includes a first frame assembly disposed above the mold, and a plurality of machine heads coupled to the first frame assembly within the grid in an adjacent arrangement along the first axis. At least one of the mold or the plurality of machine heads is moveable along the first axis, the second axis, or both. At least one of the machine heads of the plurality of machine heads is moveable independently of one another along a third axis.

Abstract: The invention relates to a system for controlling a shutter arranged to slide in a plastic material injection nozzle, comprising: a hydraulic or pneumatic actuating cylinder (1) coupled to said shutter to make it slide between a shutting off position of the nozzle and a maximum opening position of the nozzle, a device (2) for controlling the actuating cylinder (1), comprising at least two elements among: an element adapted to regulate the stroke of the actuating cylinder to a first constant speed, an element adapted to regulate the stroke of the actuating cylinder to a second constant speed, greater than the first speed, an element adapted to selectively block the stroke of the actuating cylinder, a sequential control unit comprising at least two control paths (30, 31, 32) configured to send selectively an electrical control signal to the device (2) via one and/or the other of said control paths (30,31,32) such that: under the effect of a first signal sent via the first control path (30), one of the elemen

Abstract: A column or other elongate molded part is molded using an elongate tubular mold having a closed end, an open end, and a flexible sidewall. After the column or other molded part is formed, it is extracted from the mold by pulling the column or other molded part axially through the open end of the mold. The column may be extracted using an expandable plug that is inserted into the interior of the column or other molded part through the open end of the mold. The expandable plug, if used, may be expanded to engage and seal against an inner surface of the elongate molded part. A pressurized gas is introduced into the interior of the elongate molded part through the plug to expand the mold before pulling the column through the open end of the mold.

Abstract: The present invention provides a heating device and a method for manufacturing a heated molding material. The method uses the heating device to continuously manufacture the heated molding material. The heating device includes a heating chamber for heating a molding material, at least one opening section for feeding or expelling molding material therethrough, and a means for using nitrogen gas or superheated steam to expel oxygen gas present in the heating chamber.

Abstract: The internal space of a storing container is separated by a flexible membrane into a first storing space storing an ejection material and a second storing space storing an operating liquid. A change in electrical property of the flexible membrane resulting from entry of at least one of the ejection material and the operating liquid to the inside of the flexible membrane is detected.

Abstract: A three-dimensional shaping device includes a melting section configured to melt a material to generate a shaping material, a supply flow channel which is communicated with the melting section, and through which the shaping material flows, a nozzle communicated with the supply flow channel and configured to eject the shaping material, an ejection amount control mechanism provided to the supply flow channel, and configured to control a flow amount of the shaping material to be ejected from the nozzle, a branch flow channel branched from a first partial flow channel as a flow channel between the melting section and the ejection amount control mechanism out of the supply flow channel, and communicated with a second partial flow channel as a flow channel between the ejection amount control mechanism and the nozzle out of the supply flow channel, and a transfer mechanism configured to transfer the shaping material in the second partial flow channel to the first partial flow channel via the branch flow channel.

Abstract: An ejector device that includes one or more ejectors comprises an ejector layer that spans at least one hollow area. The ejector layer has a first surface and an opposing second surface arranged to receive a viscous material with viscosity between 20 and 50,000 centipoise. The ejector layer includes a radiation absorber material configured to thermally expand without phase transition in response to heating by activation radiation transmitted to the first surface. Thermal expansion of the ejector layer causes displacement of the ejector layer and ejection of the material from the second surface of the ejector layer.

Abstract: Apparatus for forming a protective member on a wafer includes a stage for mounting a sheet, the stage having a frame and a chuck table supported to and surrounded by the frame, the frame having a plurality of air supply holes opening to the upper surface of the frame. A holding unit is adapted to be moved to a position opposed to the stage for holding the wafer, and a resin supply unit supplies a liquid resin to the upper surface of the sheet placed on the stage. The liquid resin is formed into the protective member. A sheet pressing pad vertically movably supported so as to be opposed to the sheet is placed on the stage. The sheet pressing pad comes into contact with a part of the sheet placed on the stage in an area inside the air supply holes, thereby pressing the sheet.

Abstract: For the first time, components can be produced from MAX-phases due to the use of an additive production method. A method for producing a component from MAX phases, in particular from Ti3SiC2 and/or Cr2AlC, in which an additive manufacturing process is disclosed. Powder is applied layer by layer and densified, the grain sizes of the powder lying at 10 ?m to 60 ?m, in which the scanning speed between the energy beam of the laser or electron beam and substrate with powder lies between 400 mm/s and 2000 mm/s, in particular at 1000 mm/s to 1500 mm/s, in which the power output is between 80 W and 250 W, in particular is 100 W to 170 W, in which a spot size of the energy beam lies between 30 ?m and 300 ?m.

Abstract: A method for manufacturing a high-pressure tank, capable of removing bubbles inside a carbon-fiber layer and those on an outer surface thereof without deteriorating a strength of the carbon-fiber layer, preventing a defective appearance, reducing variations in size, and thereby manufacturing a high-pressure tank having an excellent strength is provided. A method for manufacturing a high-pressure tank includes an uncured carbon-fiber layer forming step of forming an uncured carbon-fiber layer around a liner, a glass-fiber layer forming step of forming an uncured glass-fiber layer around the uncured carbon-fiber layer, a pin inserting step of inserting a tubular pin disposed therein from an uncured glass-fiber layer side to an interface of the uncured carbon-fiber layer, a gas sucking step of sucking a gas from the pin, and a thermally-curing treatment step of forming a glass-fiber layer and a carbon-fiber layer.

Abstract: A low-pressure powder injection molding machine, a kit and a method thereof. The machine has a feedstock container adapted to contain mixed feedstock, a mold and an injection device. The mold has an inlet and a cavity in which the feedstock material can set. The injection device has an injection port for supplying the mixed feedstock from the container to the mold by using pressure. The machine also has a moveable platform adapted to provide movement between the injection port of the injection device and the inlet of the mold in order to directly communicate the feedstock between the injection port and the inlet without using an intermediate conduit and thereby preventing any feedstock from setting or dissociating between the injection port and the inlet.