Abstract: A production line of a CA abrasive, including: a belt mold, the belt mold being provided with a cavity; a transmission device, configured to drive the belt mold to run; a slurry coating mechanism, configured to coat a slurry on a surface and into the cavity of the belt mold; a slurry scraping mechanism, configured to scrap the slurry coated on the surface of the belt mold into the cavity; a drying mechanism, configured to dry the belt mold so that the slurry is dried and precipitated into abrasive grains; a separation mechanism, arranged below the drying mechanism and configured to shake down the abrasive grains in the cavity of the belt mold by vibrating; a sweeping mechanism, configured to sweep slurry fragments of the belt mold after separation; and a release agent coating mechanism, configured to spray a release agent to the swept belt mold.

Abstract: A method for compacting ceramic powder; a layer of uncompacted ceramic powder is conveyed to a pressure device, which has a structured contact surface and comes into contact with the powder material so as to obtain a layer of compacted powder material having a structured surface; the pressure device comprises a first layer and a superficial layer arranged on the first layer; at least part of the superficial layer wears so as to uncover at least part of the first layer and obtain at least areas of the first outwardly exposed layer the areas of the first outwardly exposed layer are hardened by means of irradiation with UV radiations.

Abstract: A mixer vehicle includes a mixer drum, a first acceleration sensor, a second acceleration sensor, and a controller. The first acceleration sensor is configured to produce first acceleration signals and the second acceleration sensor is configured to measure accelerations within the mixer drum to produce second acceleration signals. The controller is configured to receive the first acceleration signals from the first acceleration sensor and second acceleration signals from the second acceleration sensor. The controller is further configured to determine a presence of material within the mixer drum based on the first acceleration signals and the second acceleration signals. The controller is further configured to determine one or more properties of the material within the mixer drum based on the first acceleration signals and the second acceleration signals.

Abstract: The invention relates to a mixing device comprising at least one supply opening for at least one liquid and comprising at least one additional supply opening for at least one liquid curing or crosslinking agent. The liquid and/or the liquid curing or crosslinking agent is/are mixed with a gas. The mixing device also comprises a discharge opening for discharging a mixture, which can be produced in the mixing device, of the at least one liquid and the at least one liquid curing or crosslinking agent. A pressure holding device is provided for holding a specifiable pressure which is higher than the pressure at which the gas in the mixing device is foamed.

Abstract: A process for producing particles of a thermoplastic polymer in spherical form involves providing at least one thermoplastic polymer in a molten state and providing an aqueous solution of at least one surface-active substance. The aqueous solution is in a temperature range from 100 to 300° C. The process also involves dispersing the thermoplastic polymer in the aqueous solution to obtain an aqueous solution containing dispersed thermoplastic polymer, which is cooled down to a temperature below the solidification point of the thermoplastic polymer to obtain a suspension containing an aqueous solution and particles of the thermoplastic polymer suspended in a solid state and in spherical form. The particles can be separated from the suspension and, optionally, dried. The particles obtained from the process have a particle size distribution having a d[4,3] value of more than 10 ?m and a d90.3 value of more than 20 ?m.

Abstract: A mould for obtaining an element is provided. The mould includes an outer face and a plurality of parallel ribs and/or grooves formed on the outer face. One of the walls of the mould includes ribs and/or grooves of which at least a portion of the ribs and/or grooves can be retracted, at least temporarily, such that at least a portion of the surface of the wall is smooth.

Abstract: According to an embodiment, disclosed is a curing-device comprising: a stage; a light emitting module including a substrate disposed on the stage and a plurality of light emitting elements disposed on the substrate; and a plurality of transparent blocks disposed between the light emitting module and the stage, wherein the substrate includes a plurality of first sections and a plurality of second sections which are disposed in a first direction, the intervals in the first direction between the light emitting elements disposed in the first sections is smaller than the intervals in the first direction between the light emitting elements disposed in the second sections, and the plurality of transparent blocks are disposed on the first sections.

Abstract: A polar plate is fabricated. The polar plate is flexible and made of a plastic graphite composite. No matter a supporting member is used for calendering or not, a thin polar plate with controllable thickness is fabricated. The polar plate is excellent in blocking the through-transmission of vanadium ions and the limit of blending ratio of conductive carbon is broken through. The longitudinal through-transmission volume resistivity (proportional resistance to thickness) is greatly improved by adjusting the blending ratio of conductive carbon for meeting the demand of conductivity. In the mean time, the present invention strengthens the rigidity required for the thin polar plate while providing large-area polar plate fabrication for industrial use and convenience and provides a cooling and pressing method for patterning a composite polar plate. An integrated mold is thus obtained to replace the conventional polar plate which needs to be processed and prepared with runner.

Abstract: An apparatus for injecting a molten material including an injector, a rail, a bell crank, and a frame supporting the injector via the rail for guiding the linear translation of the injector along the frame. The apparatus includes a first guide and a second guide slideably coupled to the rail, the second guide attached to the injector and spaced from the first guide along the rail, and a bell crank coupled to the first guide and second guide to provide a load-balancing mechanism.

Abstract: An injection molding system (1000) comprising: an actuator (5) having a housing (20) comprised of radial (20r, 20ri, 20ro, 20roa, 20rob, 20roc, 20rod) and axial walls (20a, 20ai, 20aue, 20ade) that form an enclosed chamber (45) containing a heat conductive chamber fluid (CF), a rotor and driver driven by electrical energy and supported within the chamber by the radial and axial walls, wherein one or more of the radial and axial walls comprise a heat conductive material that has an inner surface disposed in heat conductive contact with the heat conductive fluid (CF) contained within the enclosed chamber, an actuator tube or channel (25) disposed within the one or more of the radial and axial walls, a source (260) of heat absorptive fluid (25f) sealably interconnected to the actuator tube or channel (25).

Abstract: A fluid cooled mold plate is disclosed. The fluid cooled mold plate has a front side, a rear side, and a perimeter that extends between its front and rear sides. A cooling chamber is formed within the mold plate. The cooling chamber has a front wall, a rear wall, and a perimeter wall that extends between the front and rear walls. An inlet fluid duct extends from a first side of the mold plate perimeter to a first end of the cooling chamber and an outlet fluid duct extends from a second side of the mold plate perimeter to a second end of the cooling chamber. The cooling chamber is occupied by a turbulence generating dispersion mesh that is secured between the front and rear walls the cooling chamber.

Abstract: An injection molding machine having vent mechanism includes a plastication device, an injection device, a junction, a vent-up sensor, and a controller. The vent-up sensor detects vent-up. When the vent-up is detected, the controller switches from normal conditions to vent-up suppression conditions. The vent-up suppression conditions have at least one of the followings: increasing a rotational speed of the plastication screw to be higher than that in the normal conditions; using retreat-metering when the retreat-metering is not performed in the normal conditions, wherein in the retreat-metering, in addition to a pressure of the resin material, a force in a retreat direction is applied to the injection plunger to move the injection plunger at a predetermined retreat speed in the metering; and increasing the retreat speed of the injection plunger to be higher than that in the normal conditions when the retreat-metering is performed in the normal conditions.

Abstract: A method of manufacturing a structural beam comprising an elongate base part comprising a polymer. The base part has a length, a width and a height. The beam also comprises an elongate reinforcement part comprising a strip comprising a unidirectional polymer, bonded to the base part at an outer surface of the base part and extending in the length direction along the length of the base part. The strip has a higher Young's modulus than the base part. The method also relates to a beam and to a building comprising such a beam.

Abstract: A plastic bottle manufacturing device (50) includes a preform heating part (52) that includes a plurality of heating bodies (65), a blow-molding part (54) that molds a plastic bottle (20) by blow-molding a preform (10), and a preform temperature measuring part (53) that measures temperatures of the preform (10) at a plurality of measurement points (P) in a longitudinal direction of the preform (10). The plurality of measurement points (P) are provided in correspondence with the plurality of heating bodies (65). A control unit (70) controls an output of each heating body (65) based on an optimal temperature distribution at each measurement point (P) of the preform (10) that has been predetermined and an actually measured temperature distribution at each measurement point (P) of the preform (10).

Abstract: The invention relates to a ventilation module for a film stretching system at least one first outlet nozzle arrangement having an outlet nozzle, wherein the at least one outlet nozzle extends with its longitudinal direction transverse or perpendicular to the withdrawal direction of a plastic film web and is oriented in parallel to the transport plane. A first return system is provided with at least two extraction channels, each having an intake region. The at least two intake regions are spaced apart from one another in the withdrawal direction and oriented in parallel to the transport plane. The at least one outlet nozzle of the at least one first outlet nozzle arrangement is arranged between the first and the second intake region. The at least two intake regions are arranged exclusively before and/or after the at least one first outlet nozzle arrangement in the withdrawal direction of the plastic film web.

Abstract: A rigid thermoplastic polymeric sheet material forming process. The process includes heating, while under a heating vacuum range, a rigid thermoplastic polymeric sheet in a heating zone to a forming temperature to form a heated rigid thermoplastic polymeric sheet material. The process further includes transferring, while under a feeding vacuum range, the heated rigid thermoplastic polymeric sheet material from the heating zone to feed the heated rigid thermoplastic polymeric sheet material into a forming zone under the feeding vacuum range. The process also includes forming, in the forming zone, the heated rigid thermoplastic sheet material into a formed article.

Abstract: A method includes identifying first geometry of a first mold associated with a first dental arch and a second geometry of a second mold associated with a second dental arch. The method further includes determining, based on the first geometry and the second geometry that the first mold and the second mold are to be used for simultaneous forming of a first dental appliance and a second dental appliance on a plate in a dental appliance manufacturing system. The method further includes causing, based on the first geometry and the second geometry, one or more portions of the dental appliance manufacturing system to be configured to form the first dental appliance and the second dental appliance.

Abstract: There is provided a novel and improved resin laminated optical body and a method for manufacturing the same that can easily adjust an optical property other than an optical property derived from a micro concave-convex structure, and eventually can reduce manufacturing costs of an optical device. The resin laminated optical body includes: an optical base material having a curved surface; and a resin layer provided on the curved surface of the optical base material. A micro concave-convex structure is formed in a surface of the resin layer, and the resin laminated optical body has a first optical property derived from the micro concave-convex structure and a second optical property derived from a property of the resin layer other than the micro concave-convex structure, the second optical property being different from an optical property of the optical base material.

Abstract: In one example, a structure includes a flexible plastic body having a first end and a second end, as well as a first side and a second side disposed opposite each other. The first side includes a first group of segments, and the second side includes a second group of segments. The structure also includes a group of living hinges integral with the body, and one of the living hinges is positioned between segments, and the living hinges enable the flexible plastic body to alternatively assume a flat state, or another state in which the body is not flat.

Abstract: The present invention relates to a photo-responsive shape-changing structure and a driving method thereof. The photo-responsive shape-changing structure (100) is characterized in that it includes a first body portion (200) including at least one polymer film that undergoes a bending deformation in response to light irradiation, a second body portion (300) including at least one polymer film that undergoes a bending deformation in response to light irradiation, and a connection portion (400) configured to allow the first body portion (200) and the second body portion (300) to be connected to each other, wherein adhesive support portions (500, 600) are formed at one ends of the first body portion (200) and the second body portion (300), which are in contact with the ground (20).

Abstract: The present disclosure relates to a system for manufacturing a hybrid component including a first thermal supplier configured to heat a steel plate, a rolling roll for undercut configured to pressurize the steel plate heated by the first thermal supplier, and to form an undercut on one surface of the steel plate, a first molding roll configured to pressurize the steel plate formed with the undercut to mold the steel plate in a shape of a component to be manufactured, a composite material feeder configured to supply a composite material tape to be seated on one surface of the steel plate formed with the undercut through the first molding roll, and a composite material pressurization roll configured to pressurize the steel plate on which the composite material tape is seated.

Abstract: A system for three-dimensional printing is disclosed. The system comprises: a rotary tray configured to rotate about a vertical axis; a printing head, each having a plurality of separated nozzles; and a controller configured for controlling the inkjet printing head to dispense, during the rotation, droplets of building material in layers, such as to print a three-dimensional object on the tray.

Abstract: A method of additive manufacturing of a three-dimensional object includes sequentially dispensing and solidifying a plurality of layers. The plurality of layers may be formed with a plurality of different colored model materials, a flexible material arranged in a configured pattern to form a sacrificial structure at least partially encompassing the object, and a soft material. The soft material is arranged in a configured pattern to provide separation between the model material and the sacrificial structure. The plurality of different colored model materials is arranged in a configured pattern corresponding to the shape and color definition of the object.

Abstract: A method of printing on fabric includes: (a) loading a thermoplastic material into a nozzle of an extruder, such as an extruder of a three dimensional (3D) printer; (b) positioning a substrate that includes fabric in a print area proximate to the nozzle; (c) heating the thermoplastic material in the nozzle to a temperature that is equal to or greater than a melting point temperature of the fabric; and (d) extruding the heated thermoplastic material from the nozzle as a filament onto the fabric to yield a printed pattern on the fabric.

Abstract: In one aspect, inks for use with a three-dimensional (3D) printing system are described herein. In some embodiments, an ink described herein comprises 20-60 wt. % oligomeric curable material; 10-50 wt. % cyclocarbonate (meth)acrylate monomer; and 0.1-5 wt. % photoinitiator, based on the total weight of the ink. Additionally, in some cases, the ink further comprises one or more additional curable materials differing from the oligomeric curable material and the cyclocarbonate (meth)acrylate monomer. An ink described herein, in some embodiments, also comprises one or more additional component that are non-curable.

Abstract: A continuous additive fabrication system comprises a bath of photopolymer resin and a light source assembly having a light source and a motorized variable aperture. The light source assembly is operable to generate a focus point in the bath of photopolymer resin, the shape of the focus point at a curing plane within the bath of photopolymer resin corresponding to the shape of the motorized variable aperture. The continuous additive fabrication system further comprises a platform configured to support a build object and a drive mechanism (coupled to at least one of the platform and the light source assembly) configured to continuously move the curing plane through the bath of photopolymer resin. A size and/or shape of the motorized variable aperture is changed while the curing plane in continuously moved through the bath of photopolymer resin.

Abstract: A method and apparatus for forming a radius filler. A lattice is formed of connecting elongate members having a three-dimensional shape of the radius filler. A resin is placed within the lattice.

Abstract: The method for manufacturing a part from powder relates to the electrical engineering field. In particular, to the processing of materials and the production of flat or three-dimensional products from both metal and plastic, ceramics, metal-plastic and metal-ceramics using microwave heating. The purpose is a method that uses the means of heating due to microwave radiation to sinter or melt the materials, both ceramic and plastic materials and metal powders.

Abstract: An example of a build material slurry includes metallic particles having an individual particle size up to 20 ?m, from about 0.01 wt % up to 1 wt % of a water-soluble binder, based on a weight of the metallic particles, and water. The build material slurry is a ready-to-use three-dimensional (3D) printing build material.

Abstract: A process for additive manufacturing of a thermoset resin fiber reinforced composite comprises depositing a fiber material along a path having a direction; heating the fiber material using a heater to generate a moving thermal gradient in the fiber material trailing the heater relative to the path direction; and dispensing a thermosetting polymer material on the heated fiber material at a trailing distance the from the heater along the path. The thermosetting polymer dynamically wicks into the fiber material along the thermal gradient in the path direction.

Abstract: A process to cure and/or modify the surface of a three dimensional (3D) printed part comprising the steps of immersing a three dimensional (3D) printed part, containing reactive moieties, into a liquid bath at an elevated temperature to effect polymerization of the reactive moieties of the 3D printed part to provide a cured 3D printed part is described. The liquid bath can further contain reactive molecules that can react with the surface of the 3D printed part to provide a coating which alters the surface characteristics of the 3D printed part.

Abstract: An additive manufacturing system, and associated methods, comprise an image projection system comprising a plurality of image projectors that project a composite image onto a build area within a resin pool. The composite image comprises a plurality of sub-images arranged in an array. The properties of each sub-image and the alignment of the position of each sub image within the composite image can be adjusted using a set of filters comprising: 1) an irradiance mask that normalizes irradiance, 2) a gamma adjustment mask that adjusts sub-image energy based on a reactivity of the resin, and 3) a warp correction filter that provides geometric correction.

Abstract: A three-dimensional printer for generating a printed component, includes a build substrate defining a surface that supports the printed component and a heated nozzle including a nozzle body. The heated nozzle is configured to deposit a build material upon either the build substrate or the printed component. The three-dimensional printer also includes a heated plate including one or more heating elements and a main body that defines an opening for receiving the nozzle body of the heated nozzle. The one or more heating elements are configured to heat at least a portion of the heated plate to a predefined temperature, where a volume of hot air is created between the heated plate and the printed component when the heated plate is heated to the predefined temperature.

Abstract: A method of separating excess resin from at least one object, includes: (a) stereolithographically producing at least one object on at least one carrier platform, each carrier platform having a planar build surface to which at least one object is connected, each object carrying excess resin on a surface thereof; then (b) mounting each carrier platform to a rotor; (c) centrifugally separating excess resin from each object by spinning the rotor with each carrier platform connected thereto while each object remains connected to each carrier platform; and then (d) removing each carrier platform from the rotor with each object thereon, with excess resin separated therefrom.

Abstract: According to some aspects, a method is provided of removing debris from a liquid photopolymer in an additive fabrication device. According to some embodiments, a mesh of solid material may be formed in an additive fabrication device from a liquid photopolymer, and particles of debris present in the liquid photopolymer may adhere to the mesh. The debris may thereby be removed from the liquid photopolymer by removing the mesh from the additive fabrication device. The mesh may then be discarded.

Abstract: A dental model, includes (a) an upper segment, the upper segment having a shape corresponding to at least a portion of a dental arch of a human patient; (b) a base segment having an external surface and a bottom surface; (c) at least one internal cavity formed in the base segment, and optionally the upper segment, the at least one internal cavity extending through the bottom surface; and (d) at least one wash channel extending from the external surface of the base segment through the base segment and into the at least one internal cavity.

Abstract: A method for making a rapid prototype of a patient's mouth to be used in the design and fabrication of a dental prosthesis. The method takes an impression of a mouth including a first installation site having a dental implant installed in the first installation site and a gingival healing abutment having at least one informational marker attached to the dental implant. A stone model is prepared based on the impression, including teeth models and model markers indicative of the at least one informational marker. The model is scanned. Scan data is generated from the scanning. The scan data is transferred to a CAD program. A three-dimensional model of the installation site is created in the CAD program. The at least one informational marker is determined to gather information for manufacturing the rapid prototype. Rapid prototype dimensional information is developed.

Abstract: A method for 3D printing a patient-specific bone implant having variable density, in various aspects, comprises: (1) providing a thermoplastic polymer composition comprising: (A) between about 20% and about 50% bioactive agent by weight; (B) between about 0.5% and about 10% chemical foaming agent by weight; and (C) balance structural polymer by weight; (2) receiving, by computing hardware, a scan of a bone, the scan comprising at least a 3D image of the bone and radiodensity data for the bone; and (3) causing, by the computing hardware, a 3D printer to form the patient-specific bone implant from the 3D image using the thermoplastic polymer by modifying a 3D printing temperature of the 3D printer during printing of the patient-specific bone implant such that each portion of the patient-specific bone implant is produced at a temperature that corresponds to a desired density defined by the radiodensity data for the bone.

Abstract: Arrangement of the parts, particularly addressing arrangement for 3D fabrication, makes use of spatial frequency domain representations of the parts, such that acceptable (or optionally desirable) relative locations (and optionally orientations) of a part relative to another part or an arrangement of multiple other parts makes use of spatial frequency domain representations of the parts. In some examples, acceptable relative locations may be defined as relative locations that do not result in parts spatially overlapping and/or maintain a desired (e.g., minimum, average, etc.) separation between parts.

Abstract: In an example, a method includes in an additive manufacturing process, generating a first object and generating an ancillary object on top of the first object to reduce a thermal gradient of the first object during cooling.

Abstract: Systems and methods for fabricating a dental aligner are provided. The system includes a computing system to receive and prepare a digital model of a dental aligner by adding one or more support structures to the digital model. The system includes a fabrication system to manufacture the dental aligner with the one or more support structures. The system includes a laser system to receive the fabricated dental aligner, orient the dental aligner relative to the laser system, and laser cut an interface between the support structures and the dental aligner to remove the one or more support structures from the dental aligner.

Abstract: According to one aspect of the present invention, provided is a method of attaching an emblem to a vehicle seat, the method including providing a seat and an emblem, the seat having an outer surface on which a coating layer is formed, removing the coating layer to correspond to an edge of the emblem, aligning the emblem with the seat to correspond to a portion in which the coating layer is removed, and attaching the emblem to the seat by pressing the emblem using a mold unit and applying a high-frequency current.

Abstract: The present invention relates to a sealing device for a secondary battery. The sealing device is configured to seal a battery case accommodating an electrode assembly therein to manufacture the secondary battery, the sealing device including a sealing block configured to press a sealing portion of the battery case, a flatness adjusting part configured to adjust a flatness of a pressing surface of the sealing block, and a heater part configured to transfer heat to the sealing block to thermally fuse the sealing portion of the battery case when the sealing portion is pressed by the sealing block.

Abstract: A composite material includes: a substrate and a polymer layer which are interconnected by an adhesion promoter layer. The adhesion promoter layer is obtainable by plasma-enhanced chemical vapor deposition (PE-CVD) at least partially using a mixture of precursor compounds containing an unsaturated hydrocarbon and an organosilicon compound. In an embodiment, the substrate includes a metal substrate or a polymer substrate.

Abstract: A composite forming apparatus includes an end effector, a forming feature that is coupled to the end effector, and a heating element that is coupled to the forming feature to heat the forming feature. The end effector moves the forming feature relative to a composite ply to form the composite ply over a forming tool or over a prior formed composite ply. The forming feature heats the composite ply via conduction.

Abstract: Methods and apparatus involved in the process of hardening a composite part are disclosed herein. The methods include applying a preform to a mandrel, covering the preform with a caul plate, sealing the caul plate to the mandrel, pushing the caul plate toward the preform and the mandrel and hardening the preform into a composite part while the caul plate is held against the preform. The apparatus include a mandrel, a caul plate which defines a surface of a preform and where the caul plate may include a rigid material and seals disposed between the mandrel and the caul plate. In an additional aspect, the apparatus may include a sealed chamber with a mandrel and a caul plate and a circumferential seal between the mandrel and the caul plate.

Abstract: Disclosed herein is a method and apparatus for automatic extrudate loading and alignment. An extrudate handling system includes a head end assembly and an imaging device (which may be part of the head end assembly). The imaging device is configured to image an end face of an extrudate, and generate, during translation of the extrudate, an imaging output signal indicative of a rotational position of the end face of the extrudate. The head end assembly includes a rotational effector to rotate the extrudate during translation thereof and a fixed effector rotationally fixed relative to a track. The extrudate handling system is able to determine the rotational position of the web angle of the extrudate and precisely adjust the rotational position while linearly translating the extrudate along the track. The extrudate handling system provides greater accuracy, reduced costs, and improved results.

Abstract: A glazing panel repair device (1) has coupling means (27) for coupling a pump arrangement (22) to the device to provide holding suction to secure the device to the glazing panel and pressure cycling to a repair zone. In one embodiment, the coupling means is for coupling a single pump to provide holding suction to secure the device to the glazing panel and pressure cycling to a repair zone.

Abstract: Techniques for controlling the flow of replication material (e.g., epoxy) during the formation of replicated optical elements include providing a transparent substrate (220) onto which the optical elements are to be replicated. The substrate (220) includes a structured UV curable shield (202) adhering to its surface. The UV curable shield (202), in turn, has openings (203) that expose portions of the surface of the transparent substrate (220) for replication of the optical elements. During the replication process, excess replication material (124A) may flow onto the UV curable shield (202), which subsequently can be cured so as to facilitate the release and removal of the shield (202) along with the excess replication material (124A).

Abstract: A method of manufacturing an optical lens including at least one electronic component. The method includes providing a mechanical reference system on an optical lens blank, the optical lens blank being configured to be processed to form the optical lens, providing edging data configured to be used to edge the optical lens blank to form the optical lens, and embedding the at least one electronic component in the optical lens based on edging data and on the mechanical reference system.