Abstract: To provide a method for manufacturing a composite member including an aluminum die cast member and a polymer member firmly bonded by removing a carbide film on the surface of the aluminum die cast member to even the surface layer. The method includes: a melting step of melting a surface layer of a joint surface of the aluminum die cast member by irradiating the joint surface with a laser, the joint surface being joined with the polymer member; and a combining step of integrally molding a polymeric material on the joint surface. The method may have a removal step of removing the carbide film present on the joint surface by irradiating the joint surface with the laser before the melting step, and a modification step of irradiating the joint surface with plasma to impart a hydroxyl group to the joint surface after the melting step.

Abstract: The present invention relates to a device for injection molding of a composite material comprising at least one laminate (1). The device comprises a mold (2) including a plurality of mold portions (3, 4), each heaving a first side (5, 6) defining a molding surface. At least one of the mold portions (3, 4) is movable such that the mold (2) is movable between an open state and a closed state. One or more retaining arms with the gripper for contacting the laminate are also comprised in the device according to the present invention. Thereby, the retaining arm (7, 7?, 8, and 8?) is arranged such that it is movable between a retracted position and an extended position. The present invention further relates to an according method for injection molding of a composite material comprising at least one laminate.

Abstract: In a method for producing a resin molded body, a thermosetting resin member is formed by heating a thermosetting resin material that is a raw material of the thermosetting resin member to complete a curing. A nascent surface having a functional group is formed on at least a part of a sealed surface of the thermosetting resin member by removing a surface layer that is an outermost layer of the sealed surface via irradiation of laser light to the sealed surface. The sealed surface of the thermosetting resin member is sealed with the thermoplastic resin member by injecting a thermoplastic resin material to the thermosetting resin member having the nascent surface, the functional group of the nascent surface being chemically bonded to the functional group of the additive. The thermosetting resin member has an absorption of the laser light at or above 10% per 1 ?m.

Abstract: A process for making a protective shell unit for a handheld electronic device comprises steps of: a) injection molding a blend of a first plastic material and a phosphorescent pigment in a first mold cavity which defines a switch button portion-forming region to obtain a switch button portion; and b) injection molding a second plastic material in a second mold cavity which defines a shell body-forming region to integrally form a shell body with the switch button portion so as to obtain an integral shell.

Abstract: Techniques and assemblies are disclosed for a molding assembly to manufacture an article. The assembly includes a mold cavity block including a first molding surface. Received in the mold cavity block is a core that includes a second molding surface and an inner surface. The second molding surface and the first molding surface define a part cavity in which to manufacture the article. The inner surface is opposite the second molding surface and defines an internal cavity within the core. Received within the internal cavity and in contact with the inner surface therein is an insert. The insert includes at least one fluid channel within one or more external surfaces of the insert. The fluid within the fluid channel is to contact the inner surface to transfer thermal energy to the fluid from an article located within the part cavity via the second molding surface and the inner surface.

Abstract: An apparatus for controlling the rate of flow of a fluid mold material comprising: a manifold, an actuator interconnected to a valve pin, a position sensor that senses position of the valve pin, a controller that controls movement of the actuator according to instructions that instruct the actuator to drive the valve pin upstream at one or more selected intermediate velocities in response to receipt by the controller of a signal from the position sensor that the valve pin is disposed in the one or more intermediate upstream gate open positions.

Abstract: A system and method for forming fluted polymer boards and recycling scrap material. A feeder feeds polymer to an extruder, which extrudes fluted board stock from the polymer. A scrap portion of the board stock is separated from another portion that comes to form the boards. The recycling system returns the separated scrap portion along a return path to the feeder and forms holes in the scrap portion creating fluid communication between the flutes and atmosphere before the scrap portion is returned to the feeder. The scrap portion can, in some embodiments, be ground into granular form after being hole-punched without creating a pressure condition in the flutes that adversely affects extrusion of the board stock.

Abstract: An extrusion system including an edge encapsulation block is disclosed. The edge encapsulation block includes a housing that defines a central extrusion channel having an inlet for receiving a central material and an outlet for emitting an encapsulated material that includes the central material and an edge material, and an edge encapsulation channel for receiving the edge material. The encapsulation block also includes an edge blocker that includes an edge actuator at a first end of the edge blocker and an edge block at a second end of the edge blocker that is opposite the first end. Actuation of the edge actuator causes the edge block to translate from a first position to a second position spaced from the first position along an axis that extends through the central extrusion channel.

Abstract: An adjustment system coupled to a die, and a die including an adjustment system, includes first and second adjustment modules. The first adjustment module includes a first body, a first plurality of studs, and a first actuator. Each of the first plurality of studs is slidably positioned within the first body. The first actuator is coupled to the first plurality of studs and is configured to move each of the first plurality of studs. The second adjustment module includes a second body, a second plurality of studs, and a second actuator. Each of the second plurality of studs is slidably positioned within the second body. The second actuator is coupled to the second plurality of studs and is configured to move each of the second plurality of studs. The number of studs composing the first plurality of studs is different from a number of studs composing the second plurality of studs.

Abstract: A rubber preforming apparatus includes a direct drive motor unit slidably disposed on a base unit. The direct drive motor unit includes a drive motor and a deceleration mechanism. The deceleration mechanism includes an input shaft coupling and an output shaft coupling axially aligned with and co-rotatably connected to the input shaft coupling. A drive spindle of the drive motor is inserted into and rotating together with the input shaft coupling. An extruder casing is disposed adjacent to the output shaft coupling and has a squeezing space. An extruder screw is disposed in the squeezing space, and includes a screw shaft with one end coaxially inserted into and rotating together with the output shaft coupling.

Abstract: A process for preparing hydrogels is disclosed. Said process comprises passing reactants comprising a monomer, an initiator and a cross-linker through a co-rotating twin screw extruder, the co-rotating twin screw extruder being operated at a screw speed of at least 200 rpm and comprising an inlet zone, an outlet zone, and in between the inlet zone and the outlet zone at least one mixing zone, at least one conveying zone and at least one back-mixing zone, wherein the back-mixing zone comprises of restricting elements which restrict the reactants from moving forward in the co-rotating twin screw extruder until a forward force sufficient to overcome the restriction is achieved, such that the co-rotating twin screw extruder provides sufficient shear energy and residence time to the reactants to (co)polymerize and produce hydrogel having a water uptake greater than 100 g/g.

Abstract: A filtration device for extrusion processes, which comprises a material intake channel, which splits into a first intake channel and a second intake channel leading to a first filter chamber and a second filter chamber, the first and second filter chambers being provided in output with a first output channel and a second output channel, which in turn merge into a channel that is adapted to convey the material to an extrusion head.

Abstract: A casting apparatus for manufacturing polymer film includes a die for discharging a molten polymer and having discharge direction oriented at a discharge angle offset from horizontal. The apparatus includes a first chill roll having a first diameter and a second chill roll having a second greater diameter. There is a first gap between the first chill roll and the second chill roll. The discharge angle is of a predetermined magnitude to gravity assist delivery of the molten polymer to the first gap. The second chill roll is positioned to gravity support the film exiting the first gap along a first length of a first side of the film. A first polishing roll is positioned downstream first and second chill rolls. The first polishing roll engages and cools a second length of a second opposite side of the film.

Abstract: The invention relates to a heating device (H) for the thermal conditioning of preforms (1) made of a thermoplastic material at a temperature profile that is suitable for a blow molding and a blow molding machine (B) having a heating device (H) of this type. The heating device (H) has multiple heating units (30, 30?) arranged behind one another along a heating section (24) and transport means (33) for transporting the preforms (1) on a transport path (55) along the heating section (24) and along the heating units (30, 30?). The transport means (33) are connected in a chain-like manner to form a closed continuous transport chain (50) and have a rotary drive body (52) that cooperates with a first engaging device (51) that is driven and arranged such that it circulates at a distance to the transport chain (50) in order to introduce a rotational movement thereof about a longitudinal axis of the transport means (33) via engagement in the rotary drive body (52).

Abstract: A high-pressure tank fabrication method includes a pre-form fabrication step and a molding step. In the pre-form fabrication step a pre-form is fabricated by winding dry fiber bundles with different thicknesses (first fiber bundles and second fiber bundles) onto a liner in a state in which the dry fiber bundles with different thicknesses are made to be adjacent to one another. In the molding step, molding includes disposing the pre-form fabricated in the pre-form fabrication step in a mold and injecting resin.

Abstract: A pattern forming method includes: preparing a pattern paper comprising a fiber where a pattern to be formed is formed; impregnating the pattern paper with a releasing agent; and forming the pattern on a pattern forming target by arranging the pattern paper on a mold comprising an upper mold and a lower mold, and adhering the pattern paper to the pattern forming target by using the mold.

Abstract: A recoating unit for equipping and/or retrofitting a device for producing a three-dimensional object by means of selectively solidifying, layer by layer, of a building material in powder form. The recoating unit is configured, depending on its movement in the first direction or in its opposite direction, to receive building material in that chamber, that is the trailing chamber in the respective direction of movement and to spread the building material received in the respective trailing chamber to a uniform layer by means of the respective trailing recoating element.

Abstract: Provided is a manufacturing method for a three-dimensional object, the method including: a layer formation process in which a layer is formed using a fluid material containing powder for constituting the three-dimensional object, a solvent, and a binder; and a laser radiation process in which the powder contained in the layer is solidified by radiating a laser to the layer. The laser radiation process controls a radiation position of the laser in an end portion of the layer with respect to a position of a leading end of the end portion of the layer in accordance with a shape of the three-dimensional object to be manufactured.

Abstract: There is provided a manufacturing method of a three-dimensional shaped object, the method being capable of reducing a warp deformation of the three-dimensional shaped object. The manufacturing method according to an embodiment of the present invention produces a three-dimensional shaped object by alternate repetition of a powder-layer forming and a solidified-layer forming by light beam irradiation, wherein as a platform for the three-dimensional shaped object, a plate laminate body comprising a dummy solidified layer and a base plate for the shaped object is used, and the dummy solidified layer is formed on one of principal surfaces of the base plate, whereas the three-dimensional shaped object is manufactured on the other of the principal surfaces of the base plate.

Abstract: Provided is an apparatus for producing a three-dimensional shaped article in which the three-dimensional shaped article is produced by stacking layers, the apparatus including: an ejecting section capable of ejecting a flowable material that contains a powder, a solvent, and a binder which constitute the three-dimensional shaped article, based on data; a heating section for heating the flowable material ejected from the ejecting section; and a controlling section for controlling the ejecting section and the heating section, in which the controlling section divides data of the layer for one layer of the three-dimensional shaped article, out of the data, into a plurality of divided pieces of data, and alternately repeats ejection of the flowable material from the ejecting section and heating by the heating section, based on the divided pieces of data, to form the layer for one layer of the three-dimensional shaped article.

Abstract: A build material nozzle structure (202) comprises: an interface surface (208) to interface with a build material container outlet structure (100); and a retaining structure (210) to releasably hold the build material container outlet structure in an engagement position with the interface surface of the build material nozzle structure; wherein the retaining structure comprises one or more retaining elements (210-1, 210-2, 210-3) disposed in the build material nozzle structure to exert an attractive magnetic biasing force on the build material outlet structure to releasably hold the build material container outlet structure in the engagement position with the interface surface of the build material nozzle structure.

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: An apparatus and device for creating a vertical strengthening feature within a 3D printed article of manufacture for improving mechanical performance in the Z-direction. Fill material is deposited in voids vertically crossing multiple layers during the build of 3D printing. The device includes a penetrating extension that fits within the void to create a vertical strengthening feature via heat and/or extruded fill material. The size and/or movement of the heated extension can impact the void side walls to reflow the build material and blend the layers together within the void side walls.

Abstract: A method of producing an optical element includes forming a base portion that supports a curved surface of the optical element by discharging a transmissive material that allows transmission of light in a first amount, and forming the curved surface by discharging, to the base portion, the transmissive material in a second discharge amount smaller than the first discharge amount.

Abstract: An extruder for depositing a material includes an extruder body including an extruder drive system and defining a body axis, and an extruder nozzle. The extruder nozzle includes a nozzle tip defining an exit orifice, a reconfigurable arm defining a material path in fluid communication with the exit orifice, the reconfigurable arm including a proximal end coupled to the extruder body and coaxial with the body axis, and a distal end coupled to the nozzle tip, and a plurality of actuators operatively associated with the reconfigurable arm and configured to move the reconfigurable arm between an initial configuration, in which the distal end of the reconfigurable arm is coaxial with the body axis, to a displaced configuration. In the displaced configuration, the distal end of the reconfigurable arm is at least one of positioned offset from the body axis and oriented at an angle relative to the body axis.

Abstract: A liquid tank suitable for a three-dimensional printing device is provided. The liquid tank includes a tank body, at least one release thin film, and at least one identification portion. The tank body is configured for holding photosensitive resin and has a light transmissive bottom. The release thin film is located in the tank body and is attached to the light transmissive bottom. The identification portion is disposed at the release thin film and adapted to a reader of the three-dimensional printing device. The reader is configured to reads the identification portion, so as to obtain a usage record of the release thin film. A three-dimensional printing device is also provided.

Abstract: A build material container outlet structure (100) comprises: a connector (107) comprising an interface surface (116) and an adaptor to receive a nozzle structure (202) of an external aspiration system; a socket (120) recessed from the interface surface to receive a data interconnect structure (212) of the nozzle structure, the data interconnect structure comprising a data interface (213); a data contact (122) disposed in the socket to engage with the data interface of the data interconnect structure when the nozzle structure is in an engagement position; and an activation structure (124) disposed on the interface surface to engage a switch element (214) in the nozzle structure of the external aspiration system when the nozzle structure is held in the engagement position.

Abstract: Measures for use in an additive manufacturing system. The temperature of at least one build material delivery hole in a printbed area of the system is measured. An emissivity of the at least one build material delivery hole is compared with a known emissivity of a build material being used in additive manufacturing by the system at the measured temperature. In response to the comparison indicating a difference in emissivity, it is determined that at least a portion of the at least one build material delivery hole is not covered by build material.

Abstract: In a three-dimensional (3D) printing system and method for printing a 3D object, a material in solid form is elevated in temperature to a point at which the material melts or partially melts and begins to flow from a nozzle as a result of an actuating force or displacement resulting in a force. Since the transfer of heat to the material is central to melting and flow of the material, and the printing process ultimately, it is useful that the material be elevated to the appropriate temperature. By anticipating large fluxes of material through the nozzle and adjusting a heating rate in advance of an increased deposition rate, the material remains melted, and extrusion of the material via the nozzle is not limited by heating.

Abstract: A three dimensional printing system includes a plurality of light engines, an alignment article, a camera, and a controller. The plurality of light engines define a corresponding plurality of build fields which overlap and define a build plane. The alignment article carries an alignment calibration image and is configured to be mounted in the three dimensional printing system with the alignment calibration image proximate to the build plane and in facing relation with the plurality of light engines. The alignment calibration image defines a dark field with an array of reflective alignment targets. The camera is mounted to be in facing relation to the alignment calibration image. The controller is configured to operate at least the light engines and the camera to individually align the light engines to the alignment calibration image.

Abstract: A method is disclosed and includes providing a first data set marking an object cross-section, determining whether the length of a connecting line undercuts a specified minimum dimension, generating a second data such that, in the event falling the minimum dimension is undercut, a position lying within an object cross-section on the connecting line is marked as a position not to be solidified or to which a reduced radiation to be supplied, and for a position lying outside of the object cross-section, positions of an object cross-section directly above or below that are adjacent to this position are marked as positions not to be solidified or to which a reduced radiation is to be supplied, and integrating the second data set into the control command set.

Abstract: Examples of additive manufacturing are described. In one example, a method comprises generating print data to cause application of fusing agent to a first region of a layer of build material of an object undergoing additive manufacturing, the first region corresponding to an inner region of an object undergoing additive manufacturing. The print data causes application of fusing agent and detailing agent to a second region of the layer, the second layer corresponding to a middle region of the object. The print data causes application of detailing agent to a third region of the layer, the third region corresponding to an outer layer of the object. Fusing energy is applied to the layer.

Abstract: In an example, a method of controlling an additive manufacturing apparatus to generate a three dimensional object comprises processing successive layers of build material so as to form successive layers of a three dimensional object, wherein the processing of each layer is performed within a predetermined layer processing time by a plurality of components. The method may further include selecting, by at least one processor, from a plurality of ancillary tasks, at least one ancillary task to be performed in relation to at least one component of the plurality of components. The method may further include scheduling, by at least one processor, the at least one ancillary task to be performed in relation to the at least one component within the predetermined layer processing time for a single layer or for multiple layers of the build material.

Abstract: Provided are a resin molded component, a method for producing the resin molded component, and a method for producing a welded resin-molded article which ensure appropriate welding at a portion to be welded, without causing insufficient strength. A resin molded component 1 includes a body portion 10 and a rib 11 integrally molded with each other, the rib 11 protruding from the body portion 10 and configured to be infrared welded to a predetermined resin component 2, the resin molded component 1 having a foamed layer 12 formed at least in the body portion 10. A leading end portion of the rib 11 of the resin molded component 1 has a thinned remainder 11b which has been thinned relative to a root portion of the rib. For example, the rib width of the thinned remainder 11b of the rib 11 is smaller than the rib width of the root portion.

Abstract: A method for bonding a first composite material and a second composite material together includes a step in which a first bonding region of the first composite material is prepared to be maintained in a softened state. In another step, a first non-bonding region of the first composite material is heated to be put into a cured state. The first bonding region is put into a heatable state, and the first bonding region is heated to be put into a semi-cured state. The first bonding region having been put into the semi-cured state is pressed in contact with a second bonding region of the second composite material that becomes a softened state or a semi-cured state. The first bonding region and the second bonding region having been brought into contact with each other and pressed in the contacting and pressing step are heated to be put into a cured state.

Abstract: A method for resistance welding of two fiber-composite components to give a fiber-composite structure includes arranging conductive fibers within a jointing region of the two fiber-composite components, where each conductive fiber includes a carbon fiber with an electrically insulating coating. An electric current is passed through the conductive fibers to heat the jointing region to a welding temperature and melt the fiber-composite components in the jointing region. The jointing region is hardened in a manner that bonds the two fiber-composite components by way of the jointing region to give the fiber-composite structure.

Abstract: A film fin sealing device is disclosed herein which may have a groove defining a base. The base of the groove of the fin sealing device may be oriented at a skewed angle with respect to a longitudinal direction of the conveyor of a heat sealing machine. Edges of a thermoplastic sheet or two stacked layers of thermoplastic sheets are introduced into the groove of the film fin sealing device and placed in contact therewith to both heat and fuse the distal edge portions of the thermoplastic sheet(s) to join the edge portions thereof to form a fin seal.

Abstract: The present invention relates to shaped, bone fiber-based products and methods to make the same.

Abstract: A composite material body (10) includes a first material layer (20) and a second material layer (30) overlapping the first material layer (20). The first material layer (20) and the second material layer (30) are wound to form a flexible and circular rod. Impact absorption is effectively improved and impact resisting strength is enhanced because energy-absorber or damping material or its composition is attached into the composite material body (10). Technical characteristics, effects and objects of this invention are achieved thereby.

Abstract: A molded article of a fiber-reinforced resin contains at least a bundled aggregate [A] of discontinuous reinforcing fibers and a matrix resin [M], wherein the average layer thickness h in the molded article of the fiber-reinforced resin is 100 ?m or less and the CV value of the average layer thickness h is 40% or less; and a compression molding method therefor. It is possible to reliably and greatly reduce the occurrence of stress concentration in the molded article and to thereby achieve higher mechanical properties and further reduce variation in the mechanical properties.

Abstract: Systems and methods are provided for fabricating preforms. One embodiment is a method comprising acquiring tows of fiber reinforced material, selecting a number of tows to utilize for a bundle having an aggregate shape, assembling the tows together into the bundle, curving the assembled tows by slipping the assembled tows with respect to each other, drawing the bundle through a die to bind the bundle into a preform, enforcing a longitudinally varying cross section along the preform, and locking in a curvature of the preform.

Abstract: Embodiments are directed to a keyboard or other input structure having a continuous fiber material. In one aspect, the continuous fiber material is disposed in a layered fiber pattern under tension. The continuous fiber material is continuous in that it is not broken or severed within the webbing. Heat and pressure are then applied to form a structural web. The resulting structural web may be stronger than a webbing of conventional materials yet with reduced relative weight.

Abstract: Composite laminate structures are produced using partially cured parts. Partial curing of the parts is achieved by applying a catalyst to regions of the parts that are to be fully cured. These regions cure at a lower-than-normal temperature while remaining regions of the part remain uncured, allowing them to be co-bonded or co-cured to other structures.

Abstract: A manufacturing process is provided that includes arranging a tubular body with a mandrel. The tubular body circumscribes an outer surface of the mandrel and includes a panel and a sheet. The panel includes a porous first skin, a second skin and a cellular core between and connected to the porous first skin and the second skin. The sheet is configured with the second skin to form a pressure vessel. The first skin and the cellular core are located within the pressure vessel. At least a portion of the outer surface comprises an axially convex geometry. The panel is heated. The heated panel is shaped to at least partially conform to the outer surface by pressurizing fluid within the pressure vessel.

Abstract: A formed article of a fiber-reinforced resin material is provided. The fiber-reinforced resin material is obtained by impregnating a plurality of stacked fiber layers with a resin. The formed article contains a first portion and a second portion formed to have a deep-drawn shape with respect to the first portion. The second portion contains a gradually changing portion with its thickness gradually changing, and the thickness of the gradually changing portion decreases with distance from the first portion.

Abstract: A composite having a textured surface with multiple protrusions and a bulk portion. The composite includes a polymeric matrix and particles, the major amount of particles being concentrated into the textured surface. The composite can be used as a structural coating, super-repellent material, antireflective material, or antimicrobial material among others.

Abstract: Provided is a rubber composition for a sealant which can be vulcanized at low temperature and is suitable in a retentivity, an adhering property, followability and a fluidity and which is excellent in a sealing property, wherein the rubber composition is prepared by blending 100 parts by mass of a rubber component containing butyl rubber and/or EPDM, 2 to 10 parts by mass of zinc oxide, 1 to 5 parts by mass of a thiuram vulcanization accelerator, satisfying the thiuram vulcanization accelerator:the zinc oxide=1:1 to 1:3, and 150 parts by mass or more of liquid polybutene or a process oil.

Abstract: A workpiece heating system includes an outer shell configured to receive a mandrel having a mandrel partside configured to support a workpiece. A gas displacement device is configured to discharge a gas toward a mandrel backside. At least one heat exchanger is configured to heat the gas prior to the gas entering the gas displacement device. A hood system is configured to at least partially envelope the mandrel when positioned within the outer shell. A hood first wall and the mandrel backside define a first annular gap configured to receive the gas discharged from the gas displacement device, and direct the gas axial from the mandrel proximal end to the mandrel distal end. A hood second wall and the mandrel partside define a second annular gap configured to receive the gas from the first annular gap and direct the gas axial from the mandrel distal end to the mandrel proximal end.

Abstract: A process for producing a plastic lens includes a step of stirring and mixing a solution including a polymerization reactive compound in a preparation tank; a step of transferring the polymerizable composition obtained in the step from the preparation tank to a lens casting mold; a step of curing the polymerizable composition; and a step of obtaining a plastic lens molded product by separating the obtained resin from the lens casting mold. The step of transferring the polymerizable composition includes a step of re-mixing the polymerizable composition discharged from the preparation tank and injecting the polymerizable composition into the lens casting mold.

Abstract: A forming mold for forming a prism by press molding includes a first mold, a second mold, and a third mold. The second mold includes a surface configured to form a base surface of a non-optical surface and is configured to define, together with the first mold, a space in which a material is disposed. The third mold is slidable with respect to the second mold so as to project toward the space with respect to the second mold and is configured to form a recess portion recessed with respect to the base surface.