Abstract: A method for manufacturing a composite product, including: 1) preparing a composite powder including 10-50 v. % of a polymer adhesive and 50-90 v. % of a chopped fiber; 2) shaping the composite powder by using a selective laser sintering technology to yield a preform including pores; 3) preparing a liquid thermosetting resin precursor, immersing the preform into the liquid thermosetting resin precursor, allowing a liquid thermosetting resin of the liquid thermosetting resin precursor to infiltrate into the pores of the preform, and exposing the upper end of the preform out of the liquid surface of the liquid thermosetting resin precursor to discharge gas out of the pores of the preform; 4) collecting the preform from the liquid thermosetting resin precursor and curing the preform; and 5) polishing the preform obtained in 4) to yield a composite product.

Abstract: The present disclosure belongs to the technical field of advanced manufacturing auxiliary equipment, and discloses an independently temperature-controlled high-temperature selective laser sintering frame structure, comprising a galvanometric laser scanning system, a powder feeding chamber, a forming chamber and a heat-insulating composite plate, and targeted optimization design is performed on the respective functional components.

Abstract: The invention belongs to the field of filament additive manufacturing, and discloses a polymer multi-material high-flexibility laser additive manufacturing system and a method thereof. The system comprises a first robot arm, a second robot arm, a positioner, a rotational extrusion nozzle in which a plurality of extrusion modules are disposed and a laser, each extrusion module is used for extruding one kind of filament, and the rotational extrusion nozzle is connected with the first robot which drives the rotational extrusion nozzle to move according to a preset trajectory; the laser is connected with the second robot, and is used for emitting a laser to fuse the filament extruded from the rotational extrusion nozzle, and through the cooperative motion of the first robot and the second robot, the extrusion and fusion of the filament are performed synchronously; the positioner serves as a forming mesa, and the rotation of the positioner cooperates with the motions of the two robots.

Abstract: A method of preparing a C/C-SiC composite part, including: preparing, using a solvent evaporation process, carbon fiber composite powders coated with a phenol resin; according to a three-dimensional model of a to-be-prepared part, forming a green part corresponding to the to-be-prepared part using the carbon fiber composite powders and a 3D printing technology; densifying the green part to yield a C/C porous body having a density of 0.7 to 1.1 g/cm3 and an open porosity of 30 to 50%; and siliconizing the C/C porous body under vacuum, removing excess silicon to yield a primary carbon fiber reinforced carbon-silicon carbide (C/C-SiC) body, densifying the primary C/C-SiC body, to obtain a final C/C-SiC composite part.

Abstract: A method for preparing a three-dimensional porous graphene material, including: a) constructing a CAD model corresponding to a required three-dimensional porous structure, and designing an external shape and internal structure parameters of the model; b) based on the CAD model, preparing a three-dimensional porous metal structure using a metal powder as material; c) heating the three-dimensional porous metal structure and preparing a metal template of the required three-dimensional porous structure; d) placing the metal template in a tube furnace and heating the metal template to a temperature of between 800 and 1000° C.; standing for 0.5-1 hr, introducing a carbon source to the tube furnace for continued reaction, cooling resulting products to room temperature to yield a three-dimensional graphene grown on the metal template; and e) preparing a corrosive solution, and immersing the three-dimensional graphene in the corrosive solution.

Abstract: The present invention discloses polyetheretherketone/nano-hydroxyapatite (PEEK/NANO-HA) composites for selective laser sintering (SLS), and a preparation method thereof. The method for preparing the composites comprises steps of: selecting PEEK having a particle size of 10-100 ?m, and an aqueous solution of reaction precursor 1 and an aqueous solution of reaction precursor 2, uniformly dispersing the PEEK in the aqueous solution of reaction precursor 1, adding the aqueous solution of reaction precursor 2 dropwise in the mixed solution of the aqueous solution of reaction precursor 1 and the PEEK while stirring to adjust pH of the mixed solution to 10-12, and continuously reacting or 24-48 hours. The composites obtained by the preparation method of the present invention have the advantages of good biocompatibility, homogeneous morphology and good fluidity, and are advantageous to the powdering and shaping process during SLS.

Abstract: A beverage substance cartridge, a tea filtering apparatus, a beverage producing equipment, a beverage producing system and a beverage producing method are provided to efficiently solve the problems of slow tea leaf extraction, long wait time for tea drinker, low tea water temperature and bad tea water taste. The water filling apparatus of the beverage producing equipment fills hot water into the bottom of the beverage substance cartridge near the side wall of the cartridge body, and forms vortex in the beverage substance cartridge which speeds up extraction efficiently. Furthermore, inside convex edges are set at the side wall of the beverage cartridge and hot water temperature is high enough to strengthen extraction effects and then realize rapid brewing effects in the tea brewing equipment. The beverage producing equipment can be widely applied in offices and homes.

Abstract: The present invention discloses polyetheretherketone/nano-hydroxyapatite (PEEK/NANO-HA) composites for selective laser sintering (SLS), and a preparation method thereof. The method for preparing the composites comprises steps of: selecting PEEK having a particle size of 10-100 ?m, and an aqueous solution of reaction precursor 1 and an aqueous solution of reaction precursor 2, uniformly dispersing the PEEK in the aqueous solution of reaction precursor 1, adding the aqueous solution of reaction precursor 2 dropwise in the mixed solution of the aqueous solution of reaction precursor 1 and the PEEK while stirring to adjust pH of the mixed solution to 10-12, and continuously reacting or 24-48 hours. The composites obtained by the preparation method of the present invention have the advantages of good biocompatibility, homogeneous morphology and good fluidity, and are advantageous to the powdering and shaping process during SLS.

Abstract: A filtering apparatus for filtering a beverage in a beverage producing apparatus, includes a base plate, a plurality of piercing components connected to a front side of the base plate, and a plurality of filtering holes extending through the base plate from the front side of the base plate to the rear side of the base plate. Each piercing component includes a piercing base extending away from the front side of the base plate, and a piercing point, integrated with the piercing base, having a pointed tip. During use of the beverage producing apparatus, the filtering apparatus mates with a sealing cover of a beverage cartridge by coupling the plurality of filtering holes and the plurality of piercing components with the sealing cover to form a filtering screen.

Abstract: A method for manufacturing a composite product, including: 1) preparing a composite powder including 10-50 v. % of a polymer adhesive and 50-90 v. % of a chopped fiber; 2) shaping the composite powder by using a selective laser sintering technology to yield a preform including pores; 3) preparing a liquid thermosetting resin precursor, immersing the preform into the liquid thermosetting resin precursor, allowing a liquid thermosetting resin of the liquid thermosetting resin precursor to infiltrate into the pores of the preform, and exposing the upper end of the preform out of the liquid surface of the liquid thermosetting resin precursor to discharge gas out of the pores of the preform; 4) collecting the preform from the liquid thermosetting resin precursor and curing the preform; and 5) polishing the preform obtained in 4) to yield a composite product.

Abstract: A method for preparing a three-dimensional porous graphene material, including: a) constructing a CAD model corresponding to a required three-dimensional porous structure, and designing an external shape and internal structure parameters of the model; b) based on the CAD model, preparing a three-dimensional porous metal structure using a metal powder as material; c) heating the three-dimensional porous metal structure and preparing a metal template of the required three-dimensional porous structure; d) placing the metal template in a tube furnace and heating the metal template to a temperature of between 800 and 1000° C.; standing for 0.5-1 hr, introducing a carbon source to the tube furnace for continued reaction, cooling resulting products to room temperature to yield a three-dimensional graphene grown on the metal template; and e) preparing a corrosive solution, and immersing the three-dimensional graphene in the corrosive solution.

Abstract: A beverage producing apparatus and method are provided for producing a beverage, using an identification label of a beverage substance cartridge.

Abstract: A filtering apparatus for filtering a beverage in a beverage producing apparatus, includes a base plate, a plurality of piercing components connected to a front side of the base plate, and a plurality of filtering holes extending through the base plate from the front side of the base plate to the rear side of the base plate. Each piercing component includes a piercing base extending away from the front side of the base plate, and a piercing point, integrated with the piercing base, having a pointed tip. During use of the beverage producing apparatus, the filtering apparatus mates with a sealing cover of a beverage cartridge by coupling the plurality of filtering holes and the plurality of piercing components with the sealing cover to form a filtering screen.

Abstract: A beverage producing apparatus and method are provided for producing a beverage, using an identification label of a beverage substance cartridge.

Abstract: The invention provides a beverage substance cartridge, a tea filtering apparatus, a beverage producing equipment, a beverage producing system and a beverage producing method to solve the problem in the present technology that people eat tea leaf powder when drinking tea from present tea brewing equipment and it is troublesome to clear away tea leaf powder in the equipment. The invention could efficiently filter tea leaves and get rid of the trouble of clearing away used tea leaves manually. The beverage substance cartridge is used in conjunction with the tea filtering apparatus, the piercing point of the triangular pyramid structure could pierce the sealing cover of the beverage substance cartridge and then form matrix-shaped filtering holes in the sealing cover, brewed tea water could flow out, and used tea leaf is left in the extracting cartridge, so the filtering process is simple and convenient without clearing away tea leaves manually.

Abstract: The invention provides a beverage substance cartridge, a tea filtering apparatus, a beverage producing equipment, a beverage producing system and a beverage producing method to efficiently solve the problem that a tea brewing equipment of the present technology has problems like slow tea leaf extraction, long tea drinker waiting time, low tea water temperature, bad tea water taste, etc. The water filling apparatus of the beverage producing equipment fills hot water into the bottom of the beverage substance cartridge near the side wall of the cartridge body, and forms vortex in the beverage substance cartridge which speeds up extraction efficiently. Furthermore, inside convex edges are set at the side wall of the beverage cartridge and hot water temperature is high enough to strengthen extraction effects and then realize rapid brewing effects in the tea brewing equipment. The beverage producing equipment adopting the invention could be widely applied in offices and homes.

Abstract: The invention provides a beverage substance cartridge, an identifying apparatus, a beverage producing equipment, a beverage producing system and a beverage producing method which could supply water automatically instead of manual work, identify information about beverage substance likewise such as variety and years of tea leaf, and furthermore, take different brewing methods targeting at different beverage substances (e.g. tea leaf) according to identified information in collaboration with pre-stored beverage brewing parameters to make sure every beverage substance could be brewed according to the perfect method, so the advantage of beverage substance will be given into full play. The beverage producing equipment which adopts the invention could yield brewing results accomplished by specialists and furthermore be widely used in offices and homes.