Abstract: What is disclosed is a method of processing and/or recycling materials, especially thermoplastic materials, wherein the material is agitated and mixed m a receiving vessel (1), especially a cutting compressor or a preconditioning unit (PCU), and optionally also heated, committed and/or softened, wherein the material in the receiving vessel (1) remains in the form of pieces or particles and unmoltenthroughout, and—wherein the material in piece or particle form being agitated within the receiving vessel is subjected to inline spectroscopic and/or spectrometric analysis and/or measurement wherein die measurements ascertained in tins way are employed to obtain information about the material being analysed in each case, especially quantitative and/or qualitative indices of the respective material.

Abstract: The dating system for molds comprises at least one date stamp (12) connected to a knob (4) through a connection cable (1), wherein the date stamp (12) comprises an engraving formed only by numbers and/or letters and a position indicator. Furthermore, said knob (4) is mounted on a control block (2) comprising a reading engraving (3) located around said knob (4), in correspondence with the engraving of said date stamp (12). This makes it possible to manufacture date stamps with the information, without relief, since the simple contrast of the areas of the date stamp polished with high gloss and the nuanced numbers or letters, offer a visual contrast that allows clearly identifying the information that the date stamp must transmit.

Abstract: Various embodiments relate to a device for the production of preforms for aircraft structural components, having a supply unit for the continuous supply of a layer structure with at least one fiber layer, having a heating unit with at least one infrared heater which has an infrared radiation source, wherein the supplied layer structure is passed through the heating unit in a conveying direction and can be heated there over at least part of its width in cross section by the at least one infrared heater, a disk which is permeable to infrared radiation being arranged between the layer structure and the infrared heater.

Abstract: The present disclosure relates to a process for preparing polyurethane moldings, including the steps of providing a reaction mixture (M), including at least one polyisocyanate, and at least one component with two functional groups which are reactive towards isocyanates, introducing the reaction mixture (M) into a mold and allowing the reaction mixture (M) to react to form a polyurethane molding. In the first step, at least one additive selected from vegetable oils is added to the mixture (M). The present disclosure also relates to a polyurethane molding obtained or obtainable according to said process and the use of a polyurethane molding according to the invention as sole of a boot or part of a sole of a boot.

Abstract: A method of manufacturing a moulded article from first and second moulding compounds includes attaching a first moulding component to a carrier tool, placing the carrier tool and the attached first moulding component in a mould, applying a first moulding process, removing the carrier tool, placing a second moulding component in the mould, and applying a second moulding process to shape the first and second moulding components and bond the first moulding component to the second moulding component. A moulded article is also disclosed.

Abstract: A molding apparatus includes: a molding base having a molding surface on which a molded article is to be molded; a transport part that transports a linear molding material toward the molding surface; a heating part that heats the molding material being transported to the transport part; a pressure part that moves relative to the molding base and presses the molding material heated by the heating part onto the molding surface such that the molding material is stacked in multiple layers; and a restricting part disposed between the heating part and the pressure part in a molding-material transport direction, the restricting part restricting the position of the molding material transported from the heating part to the pressure part.

Abstract: A molding thermal expansion structure includes a thermoplastic material and a thermal expansion material, wherein the thermoplastic material is 50 wt % to 90 wt % based on a weight of the molding thermal expansion structure; the thermal expansion material is 50 wt % to 10 wt % based on a weight of the molding thermal expansion structure; wherein, the thermal expansion material is expanded from a foaming original material through a pre-foaming process; the thermoplastic material and the thermal expansion material are mixed to form a mixed material; the mixed material is thermally expanded to form a thermal expansion structure in a molding apparatus. The molding thermal expansion structure provided in the present invention could satisfy various needs of light-weighted products. A molding method of the thermal expansion structure is also provided herein.

Abstract: The present invention relates to the use of thermoplastic polymer compositions for impregnating reinforcing materials in the form of fabric or industrial fabrics for the manufacture of composite materials. The field of the invention is that of composite materials as well as molding/consolidation processes and obtained parts. The invention more particularly relates to a method of manufacturing a composite article by injection molding comprising at least the steps of introducing at least one reinforcement fabric into a preheated mold, partial closure of the mold, a temperature rise step of the mold, optionally a step of maintaining the temperature of the mold before injection of a thermoplastic polymer composition, a step of injecting a thermoplastic polymer composition into the mold, a step of mold closure to the final part thickness allowing the flow of the resin through the reinforcing fabric, a cooling step and a recovery step of the obtained composite article.

Abstract: An injection molding machine device includes at least two guide rods. One end of each guide rod is fixed to a rack, and the other end of each guide rod is fixed to a fixed base body. A movable base body is provided opposite to the fixed base body. The movable base body slides along the guide rods relative to the fixed base body. At least one correction mechanism is located between the movable base body and the guide rail to adjust a movement of the movable base body in a vertical direction. A predetermined clearance value and/or a predetermined contact force value exist between the components. At least one sensor is electrically connected to a controller. The controller correspondingly controls the correction mechanism by determining whether corresponding detecting values of the sensor match with the predetermined clearance values and/or the predetermined contact force values.

Abstract: The invention relates to a device (10) for shaping an elongated component (44), comprising: a shaping tool (12) that defines multiple molding points and delimits at least one cavity (20) in which the molding compound (18) introduced via the molding points can be received, at least one centering element (26) which is designed to receive an elongated component (22, 24) and guide same into the at least one cavity (20), wherein the at least one centering element (26) can be moved relative to the molding tool (12), and at least one drive device, by means of which the at least one centering element (26) can be driven so as to move relative to the molding tool (12).

Abstract: The disclosed and claimed concept provides for an overmold that is applied to substantially all of the exposed portions of a wood handle for a tool.

Abstract: Method for the quality control and/or tracking of an injection molded part produced in a production cycle using at least one processing machine of the plastic processing industry and a plastic processing facility, in which production devices or stations arranged upstream or downstream are connected together via a network. Each individual injection molded part or a specified number of injection molded parts is assigned a quality value composed of multiple quality values in that each device or station in the production chain ascertains or generates its own quality value and extends same by the transmitted values of each previous device or previous station and forwards same as the new quality value to the following device or following station or in that a separate collecting station, in particular a hardware and software (COQ chain of quality), requests the quality values, the device values and.

Abstract: A mold for reducing a molding cycle time and a cost, the mold including a first cavity and a second cavity includes a hot runner that is a flow path to inject a resin injected from an injection unit into the first cavity and the second cavity, and a switching valve configured to divide the flow path into a first flow path connected to the first cavity and a second flow path connected to the second cavity. The injection unit is connected to the first flow path. A pressurizing mechanism is connected to the second flow path.

Abstract: To provide an injection molding machine which includes: a melting unit including a screw rotating about a rotation axis and having a groove forming surface on which a groove is formed and a barrel provided with a communication hole in a facing surface facing the groove forming surface, and configured to plasticize a material to generate a plasticized material and make the plasticized material flow out of the communication hole; a heating unit configured to heat the melting unit; an injection nozzle in communication with the communication hole and configured to inject the plasticized material into a mold; an injection control unit including a cylinder coupled to the communication hole and a plunger; a pressure detection unit configured to detect a pressure of the plasticized material flowing into the communication hole; and a control unit.

Abstract: A shooting pot assembly for a two-stage injection unit includes: (a) a housing; (b) a plunger chamber in the housing; (c) an injection plunger in the plunger chamber; and (d) a conduit network including (i) a feed conduit, (ii) an outlet conduit, and (iii) a transfer conduit. The shooting pot assembly further includes (e) a purge valve assembly having a purge conduit open to the plunger chamber and in fluid communication with the transfer conduit via the plunger chamber when the plunger is in the advanced position. The purge valve assembly further includes a purge valve closure member movable between a closed position, in which the purge conduit is blocked, and an open position, in which the purge conduit is open for flushing stale melt from the transfer conduit through the purge conduit via supply of fresh melt into the transfer conduit from the feed conduit.

Abstract: A data monitoring system for injection moulds is provided, for collecting and transmitting data produced and collected during injection processes, which includes a monitoring device (13) for monitoring a mould (1), which is provided with an integrated circuit (12), the system being provided with: a computer (17) for storing various signals from respective sensors (8) situated in the mould (1), mould-holder or the machine itself; a memory (16) for saving the data; a communication device (18) for communication the data to external reading means; a housing (11) on the mould for housing the monitoring device; a data module (10) of the mould (1), which has an integrated circuit (4) and is provided with an editable memory (5) for storing historical information concerning the mould; and a communication module (6) for communicating between the integrated circuit and an external computer for editing and reading the information.

Abstract: A method for producing a flexible pipe for offshore transport of fluids such as oil and gas, the method includes: extruding the internal pressure sheath of polymer material; winding one or more armor layers around the extruded internal pressure sheath; extruding the outer sheath of polymer material; at least one of the extruded sheaths of polymer material is extruded continuously along the length of the pipe wherein at least one zone A and at least one zone B are extruded along the length of the pipe and zone A is extruded from a polymer including polypropylene, and the extruded sheath in zone A has an Youngs-modulus EA zone B is extruded from a thermoplastic vulcanizate polymer, and the extruded sheath in zone B has an Youngs-modulus EB, where EB<0.9×EA and the polymers forming zone A and B are switched during extrusion to provide a continuous sheath.

Abstract: A method is provided for the co-extrusion of a complex rubber profiled element. The method makes it possible to co-extrude a sublayer in a first material and a tread in a second material with at least one insert in a third material inserted in a discontinuity in the sublayer and in the tread. The method includes: a) discontinuous extrusion of the first material, b) discontinuous first profiling of the first material, c) discontinuous extrusion of the second material onto the first material, d) discontinuous profiling of the first and second materials and extrusion of the third material into each discontinuity, and e) final profiling of the first, second and third materials with a longitudinal groove in the profiled element next to each insert of the third material.

Abstract: The present invention relates to a method for sterilizing stretching means (12) of a container moulding device (10) fitted to a plant for manufacturing thermoplastic containers obtained by stretch-blow-moulding from production preforms, the said method for sterilizing the stretching means (12) comprises at least the steps consisting in:—introducing a determined quantity of a sterilizing agent into a sterilization preform (30),—during a step referred to as a conversion step, converting said sterilization preform (30) into a hollow body (50) by stretching—blowing into the said moulding device (10), said introduction of the sterilizing agent being performed in the vapour state in a sterilization preform (30) at a temperature that allows a uniform film of mist to be deposited by condensation onto an internal surface (32) of said sterilization preform (30), and in that at least two sterilization preforms (30) are then converted successively into hollow bodies (50) in the one same moulding device (10).

Abstract: A device for manufacturing a 3D forming film performs molding at a uniform pressure by using a variable volume body, and thus, enables undercut portion molding, prevents thermal corrugation on the curved portion, etc., of the forming film and the distortion of the forming film, reduces a thickness deviation of the forming film and excludes an additional cutting process after molding the forming film, thereby improving the quality of the 3D-molded forming film. The device for manufacturing the 3D forming film includes: a mold for molding a forming film; a press head unit which is positioned to correspond to the mold and has a variable spaced distance from the mold; and a variable volume body which is coupled to the press head unit and has elasticity so that a volume thereof is variable due to gas introduction and discharge by the press head unit.

Abstract: The present invention relates to a method of embossing a glove film comprising the step of passing the glove film between a pair of rollers which are a metal roller and a rubber roller, such that the film has an overlapping texture derived from the metal roller and the rubber roller, wherein the metal roller has a textured surface and the rubber roller has a rough surface.

Abstract: A method of installing a heat shrink cover around a component includes providing the heat shrink cover having an inner sleeve and an outer sleeve, the inner sleeve is a heat shrink sleeve, and attaching an electrical heating system to an outer surface of the outer sleeve. The inner sleeve and the outer sleeve are arranged around the component, with the outer sleeve at least partially encompassing the inner sleeve. The electrical heating system is energized to heat-recover the inner sleeve.

Abstract: An improved method of edge modification such as edge banding comprising placing a roller in contact with an edge and measuring a first position of the roller. Subsequently moving the contact roller along the edge to a second position and measuring the second position before calculating a desired force direction from the first and second position measurements, applying a force via the pressure roller in the desired force direction.

Abstract: The invention provides a method comprising 3D printing a 3D item (1) by means of fused deposition modelling, the method comprising a 3D printing stage comprising layer-wise depositing an extrudate (321) comprising 3D printable material (201) to provide the 3D item (1) comprising 3D printed material (202), wherein during at least part of the 3D printing stage the extrudate (321) comprises a core-shell extrudate (1321) comprising a core (2321) comprising a core material (2011), and a shell (2322) comprising a shell material (2012), wherein the core material (2011) comprises a first thermoplastic material (111) and the shell material (2012) comprises a second thermoplastic material (112) different from the first thermoplastic material (111), or vice versa, wherein the first thermoplastic material (111) is an elastomeric material having a Young's modulus in the range of 2 to 200 MPa, a first low glass transition temperature TLG1 of at maximum 0° C.

Abstract: In an example, a three-dimensional (3D) printed part comprises a plurality of fused build material layers including exterior layers and interior layers. At least some of the interior layers include a composite portion having a miscible solid physically bonded to an amide functionality or an amine functionality of the build material. The miscible solid is a solid at a room temperature ranging from about 18° C. to about 25° C.

Abstract: Described herein are electroless material deposition methods and techniques that can be used to deposit one or more materials on a structure in a selective manner such that deposition can occur in predetermined areas. The methods and techniques of selective electroless material deposition methods described herein can be used to selectively deposit material(s) on 3D printed structures. In some aspects, the 3D structures can contain micro-features that can have one or more materials selectively deposited on their surface in one or more locations.

Abstract: This invention describes a method for making a three dimensional (3D) image by additive manufacturing using, as a light source, an off-the-shelf visual display screen. The invention also relates to apparatus for carrying out said methods.

Abstract: The present invention allows formation of a pattern on sheets of various sizes. A pattern producing device includes: a formation section configured to form a pattern by irradiating a pattern forming sheet with a light beam; a shaping table placed above the formation section, having a first opening to pass the light beam, and configured to mount the pattern forming sheet thereon; a column configured to attach the shaping table thereto; and an adapter located in the shaping table, partially closing the first opening, having a second opening to pass the light beam, and configured to mount the pattern forming sheet thereon.

Abstract: Example implementations relate to different mixtures of build materials deliverable during a three dimensional (3D) print operation. In some examples, a 3D print apparatus may include a delivery hopper to deliver build material to a print zone of the 3D print apparatus and a plurality of build material hoppers to which the delivery hopper is connected for receipt of at least one of a corresponding plurality of build materials. A controller of the 3D print apparatus may direct that variable proportions of a first build material relative to a second build material are receivable by the delivery hopper from the plurality of build material hoppers during the 3D print operation, where different mixtures of the variable proportions of the first build material and the second build material are deliverable to the delivery hopper during the 3D print operation.

Abstract: A selective laser sintering composition and a selective laser sintering 3D printing method employing the same are provided. The selective laser sintering composition includes a nanoscale inorganic powder and a thermoplastic vulcanizate powder. The temperature difference (?T) between the onset temperature for melting the thermoplastic vulcanizate powder and the onset temperature at which the thermoplastic crystallizes vulcanizate powder is greater than or equal to 10° C. The thermoplastic vulcanizate powder includes a thermoplastic and a crosslinked polymer. The temperature difference (?T) between the onset temperature for melting the thermoplastic and the onset temperature at which the thermoplastic crystallizes is greater than or equal to 10° C. , and the weight ratio of the thermoplastic to the crosslinked polymer is from 1:1 to 1:4.

Abstract: In one example, a processor readable medium having instructions thereon that when executed cause a fusing system for an additive manufacturing machine to, during a first carriage pass, preheat build material in a layer of unfused build material; during the first carriage pass and/or during a second carriage pass, dispense a liquid fusing agent on to preheated unfused build material in the layer and then, during the second carriage pass, irradiate build material in the layer on which the fusing agent has been dispensed with a fusing light; and during a third carriage pass, irradiate the fused build material with the fusing light; and during a fourth carriage pass, irradiate the fused build material with the fusing light and then actively cool the fused build material.

Abstract: Some examples include a fusing system for an additive manufacturing machine including a carriage movable across a build zone along the x-axis, a thermic source mounted to the carriage, and a roller mounted to the carriage adjacent to the thermic source. A longitudinal section of an exterior surface of the roller is exposed to indirect heat from the thermic source. The roller is controlled to rotate during and outside of a spreading operation of the build material. The carriage is to maintain the roller within a radiative heat transfer area of the thermic source.

Abstract: A system may include a printhead for ejecting a first fluid including a polymer, the ejected first fluid forming a substrate with a thermal conductivity of less than 0.5 W/(m-K); a spreader to spread a layer of metal particulate on the substrate, wherein the printhead further ejects a second fluid, the ejected second fluid masking a portion of the layer of metal particulate on the substrate; and a pulse irradiation light source to fuse an unmasked portion of the layer of metal particulate.

Abstract: A system for forming a multiple layer object, the system including: a spreader to form a layer of polymer particles, the polymer particles having a melting temperature (Tm) of at least 250° C.; a fluid ejection head to selectively deposit a first fusing agent on a first portion of the layer and selectively deposit a second fusing agent on a second portion of the layer, wherein the fluid ejection head does not deposit the fusing agent on a third portion of the layer; and a heat source to heat the first portion and second portion, wherein the first portion is part of the multiple layer object and the second portion is not part of the multiple layer object and the second portion raises a temperature of polymer particles in a subsequent layer.

Abstract: This disclosure relates to a method of 3-D printing comprising: applying a layer of build material onto a print platform, wherein the build material comprises particles of a polymer comprising polymer chains having at least one reactive group that is protected with a protecting group; printing a de-protecting agent at selected locations on the layer of build material; and coalescing particles of the polymer at the printed locations on the layer of build material to form a coalesced polymer layer.

Abstract: In an example of a method for reducing oxidation of a build material during three-dimensional printing, a portion of a layer of a polymeric build material is patterned by selectively applying a fusing agent on the portion. A detailing agent selectively applied on a non-patterned portion of the layer. The detailing agent includes a stabilizer to reduce oxidation of the polymeric build material. The layer is exposed to electromagnetic radiation to fuse the portion to form a 3D object layer. The stabilizer at least minimizes discoloration of the non-patterned portion.

Abstract: Solid-state additive manufacturing processes for joining dissimilar materials and parts are described. Processes include feeding a first material through a hollow tool of a solid-state additive manufacturing machine to contact a second material, generating deformation of the materials by applying normal, shear and/or frictional forces using a rotating shoulder of the tool such that the materials are in a malleable and/or visco-elastic state in an interface region, and mixing and joining the materials in that region. The joining can include interlocks of various shapes in the interface region. One or multiple taggants can be included in deposited material and/or layers, which taggants respond when triggered by specific external stimulus, such as becoming visible upon subjecting to light of a particular wavelength, heating, electric field, and so on. Some taggants are capable of multiple levels of security effects which can be seen by the naked eye or by using special detectors/readers.

Abstract: The present invention discloses a roll forming device for micro-casting and rolling additive manufacture for large special-shaped pipes, comprises a supporting assembly, a sliding assembly, and a roller system assembly. The sliding assembly includes a guide rail, hydraulic cylinders, hydraulic push rods and a guide rail sliding frame. Two ends of the guide rail are respectively fixedly connected with the centers of two ends of the frame plate in a width direction, the lower surface of the sliding plate of the guide raid sliding frame is slidably connected with the guide rail, housings of the hydraulic cylinders are respectively fixedly connected to the centers at both ends of the frame plate in the width direction. The invention adopts the structures of the guide rail, the hydraulic cylinder and the steering hinge rod to expand the working range of the device and the working types of workable parts.

Abstract: Examples disclosed herein relate to printhead indexing. An example method can include rotating a crank arm connected to a coupling bar. The method can include moving a print sled translationally by the coupling bar, where the print sled may be located in X, Z, and Y orthogonal dimensions. In this example, the print sled may be translationally moved to one of a number of index positions by the coupling bar in response to rotation of the crank arm, where the number of index positions are separately located in a Y dimension with the same Z dimension.

Abstract: An inner cavity near-net-shaping device for micro cast-rolling additive manufacturing of large-scale special-shaped pipe, includes a main transmission assembly, an inner cavity near-net-shaping assembly and a main feed assembly. The inner cavity near-net-shaping assembly comprises an inner cavity mold, an expansion cylinder and an expansion push rod, the expansion cylinder is provided with a gap in a direction of a thin wall thickness thereof, an inner cavity surface of the expansion cylinder is evenly distributed along a circumferential direction thereof with the inner wedge-shaped slider, and the expansion push rod comprises a first shaft section, a second shaft section, an outer wedge-shaped slider and a third shaft section, an outer surface of the second shaft section of the expansion push rod is evenly distributed along a circumferential direction thereof with an outer wedge-shaped slider.

Abstract: In one example, a fusing system for an additive manufacturing machine includes a first carriage carrying a layering device and a fusing lamp, and a second carriage carrying a fusing agent dispenser. The first carriage and the second carriage are movable back and forth over the work area along the same line of motion so that the first carriage follows the second carriage in one direction and the second carriage follows the first carriage in the other direction.

Abstract: In one example, a topographic build plate for an additive manufacturing system. The build plate is to support a 3D object fabricated layer-by-layer, and is divided into plural blocks each having a build surface. In-between fabrication of layers of the object, a first one of the blocks is offset in a Z-direction from a second one of the blocks to position the build surfaces of the first and second blocks at different Z-direction locations to replace at least a portion of a support structure of the 3D object.

Abstract: Example implementations relate to an actuateable motor and platen. In some examples, an apparatus may include a build bucket including a platen disposed therein, a part identification mechanism, and a motor coupled to the platen. The motor may be actuateable to, after a fabricated part is completed within the build bucket, alter a height of the platen responsive to receipt of information determined by the part identification mechanism. In some examples, the information may correspond to a fabricated part disposed in the build bucket.

Abstract: A three dimensional printing apparatus including a carrying plate, a transparent plate, an elastic film, and a bump is provided. The transparent plate is disposed on the carrying plate. The elastic film is disposed on the transparent plate. The bump is disposed between the elastic film and the carrying plate. An interface between the transparent plate and the elastic film is in communication with an external space through a fluid channel between each bump and the elastic film. An orthographic projection area of the bump on the transparent plate is not more than ¼ of a surface area of the transparent plate.

Abstract: A single-use cartridge (1) containing a photopolymer resin (2) for use in a method of additive manufacturing, in particular, by digital light processing (DLP) or stereolithography.

Abstract: Example systems relate to reflective barriers. In some examples, devices utilizing reflective barriers can include a carriage device, comprising an enclosure to encase a plurality of energy sources directed in a particular direction, and a reflective barrier positioned within the enclosure, wherein the reflective barrier comprises a reflective insulation material.

Abstract: A manufacturing apparatus includes a delivery unit and individual heating units. The delivery unit delivers plural linear manufacturing materials that are arranged side by side to apply the manufacturing materials onto a table. The manufacturing materials contain resin. The individual heating units individually heat the manufacturing materials delivered by the delivery unit.

Abstract: In some examples, preheat three-dimensional (3D) printer build material can include a heating plate of a 3D printer to preheat build material from below the build material, where the heating plate is located adjacent to a build platform of the 3D printer, and a heater-spreader carriage of the 3D printer to preheat the build material from above the build material and spread the preheated build material from the heating plate to the build platform.

Abstract: According to one aspect there is provided a build material processing apparatus for a 3D printing system. The system comprises a sieve to sieve build material, the sieve to receive a flow of build material, a vibrator mechanism to vibrate the sieve at a resonant frequency. A controller is provided to determine displacement characteristics of the sieve, determine, based on the displacement characteristics, a fill state of the sieve, and control a flow of build material to the sieve based on the determined fill state.

Abstract: In order to have ensure a proper dosing of a 3D printing system, it is disclosed a feeding mechanism for feeding build material to a surface that comprises: a receptacle to receive build material; and an outlet of the build material having a substantially quadrilateral opening with a first dimension and a second dimension orthogonal to one another; the outlet further comprising a third dimension orthogonal to the first dimension and the second dimension defining the height of the outlet, and the feeding mechanism being to selectively feed build material from the receptacle through the outlet onto a surface as the feeding mechanism moves along a travel direction over the surface, being such travel direction parallel to the first dimension of the outlet, the feeding mechanism further comprising an actuator to modify the magnitude of at least one of the second dimension or the third dimension outlet.