672results about "Processes with additional operations" patented technology

Additively manufactured articles of footwear comprising a sole portion and an upper portion 3D printed as a single piece. In some embodiments, the article of footwear can comprise an outer skin comprising a plurality of continuous beams extending adjacent to each other and defining at least part of an outer contour of the upper portion, at least part of an outer contour of the sole portion, or both. In some embodiments, the article of footwear can comprise an inner skin comprising a network of beams defining at least part of an inner contour of the upper portion. In some embodiments, the article of footwear can comprise a core structure that connects beams of the outer skin to beams of the inner skin.

Additively manufactured articles of footwear comprising a sole portion and an upper portion 3D printed as a single piece. In some embodiments, the article of footwear can comprise an outer skin comprising a plurality of continuous beams extending adjacent to each other and defining at least part of an outer contour of the upper portion, at least part of an outer contour of the sole portion, or both. In some embodiments, the article of footwear can comprise an inner skin comprising a network of beams defining at least part of an inner contour of the upper portion. In some embodiments, the article of footwear can comprise a core structure that connects beams of the outer skin to beams of the inner skin.

The invention discloses a photocuring 3D printing mechanism method for multi-material cooperative spraying, and relates to the field of cooperative control, and the photocuring 3D printing mechanism method comprises the following steps: layering a model, generating a material distribution map, and labeling a functional area and a transition area; a multi-nozzle array is used for accurately positioning and spraying according to the atlas; a gradual change path is planned in the transition area, and gradient change of material components is achieved through cooperative spraying; a partition curing strategy is adopted, ultraviolet light full curing and visible light semi-curing are adopted, and leveling is promoted in combination with micro-vibration; spraying a penetrating agent between layers to form a mechanical interlocking enhanced interface; based on visual online defect detection, printing parameters are fed back and adjusted in real time through a CNN model. The device and the method have the advantages that accurate mixing of multiple materials is realized through cooperative spraying of the multiple piezoelectric sprayers and gradual change path planning, and real-time defect detection and correction can be realized by matching with differentiated photocuring, high-frequency micro-vibration leveling and interlayer penetrating agent interlocking, so that high-precision multi-material functional component forming is efficiently completed.

The invention discloses a three-dimensional printing method and three-dimensional printing equipment for manufacturing a target object. The three-dimensional printing method comprises the following steps: curing a first material to form a first part of a first layer in a plurality of target layers; curing the second material to form a second portion of the first layer of the plurality of target layers; curing the first material to form a first portion of a second layer of the plurality of target layers on the first portion of the first layer, the total thickness of the first portion of the first material being greater than the total thickness of the second portion of the second material; the steps are repeated to form a plurality of target layers of the target object. According to the scheme provided by the invention, various risks caused by the positioning accuracy of movement in the vertical direction are reduced.

The invention relates to the technical field of 3D printing, and discloses a fiber reinforced composite material 3D printer and a printing method, current deposition tows are heated / cooled under the action of a preset interlayer pressing force through an interlayer pressing device, interlayer fusion can be promoted, the interlayer bonding strength can be improved, the heat history in the wire cooling process can be eliminated, and the 3D printing quality of the fiber reinforced composite material is improved. The crystallization behavior, the grain size and the grain distribution of a polymer in a printing wire material are controlled, and the microscopic uniformity of a composite material printing product is improved. The side face and the upper surface of the current deposition tow are subjected to hot-pressing shaping through the inter-channel pressing device, meanwhile, secondary hot-pressing is conducted on the adjacent printing layer deposition tow, resin of the current deposition tow and resin of the adjacent printing layer deposition tow can be melted and flow, so that the inter-channel gap between the adjacent printing layers is filled, and the printing effect is improved. And the inter-track bonding strength is improved.

The invention provides a three-dimensional printing method and three-dimensional printing equipment. The three-dimensional printing method comprises the steps that a first material is supplied to a bearing area of a light-permeable material containing mechanism of the three-dimensional printing equipment through a first channel of a material supply mechanism of the three-dimensional printing equipment; a second material different from the first material is supplied to the bearing area of the material containing mechanism through a second channel of the material supply mechanism; a forming platform mechanism of the three-dimensional printing equipment is moved, so that the forming platform mechanism makes contact with the first material and the second material in the bearing area; light rays are projected to the bearing area through an optical mechanism of the three-dimensional printing equipment, so that the first material and the second material are cured, and a curing layer adhering to the forming platform mechanism is formed; and the forming platform mechanism is moved away from the material containing mechanism, so that the curing layer is separated from the material containing mechanism.

Systems and methods for manufacturing objects are provided herein. In some embodiments, a method for producing an additively manufactured object includes applying energy to a curable material according to a set of print parameters to form a cured material layer on a build platform or on an object on the build platform. The method can also include conveying remaining material away from the build platform. The method can further include detecting, via one or more sensors, that the remaining material includes a portion of the cured material layer that has separated from the build platform or from the object. The method can subsequently include determining an adjusted set of print parameters configured to improve adhesion of cured material to the build platform or to the object.

The invention provides three-dimensional printing equipment and a three-dimensional printing method. The three-dimensional printing equipment comprises a light-permeable material containing mechanism and a printing mechanism, wherein the light-permeable material containing mechanism is provided with a bearing area configured to bear a printing material; a feeding mechanism including a first channel configured to supply a first material and a second channel configured to supply a second material different from the first material; the driving mechanism is configured to move at least one of the material containing mechanism and the material supply mechanism; an optical mechanism configured to project light to the bearing area based on the pattern to cure the first material and the second material; the forming platform mechanism is configured to adhere to the curing layer and can carry the adhered curing layer to be separated from the material containing mechanism, and the curing layer comprises at least one of a part formed by the first material, a part formed by the second material and a part formed by the mixture.

The invention provides a three-dimensional printing method and three-dimensional printing equipment. The three-dimensional printing method comprises the steps that a first material is supplied to a bearing area of a light-permeable material containing mechanism of the three-dimensional printing equipment through a first channel of a material supply mechanism of the three-dimensional printing equipment; a second material different from the first material is supplied to the bearing area of the material containing mechanism through a second channel of the material supply mechanism; a forming platform mechanism of the three-dimensional printing equipment is moved, so that the forming platform mechanism makes contact with the first material and the second material in the bearing area; light rays are projected to the bearing area through an optical mechanism of the three-dimensional printing equipment, so that the first material and the second material are cured, and a curing layer adhering to the forming platform mechanism is formed; and the forming platform mechanism is moved away from the material containing mechanism, so that the curing layer is separated from the material containing mechanism.

The application describes a machine tool adapted and arranged to carry out removal and addition of material on a work piece located in a work station, the machine having a first head arranged to remove material from the work piece and at least a second head arranged to process the work piece, each of the first and second heads being arranged to be moveable in at least two axes and preferably in 3, 4 or 5 axes and wherein the machine is arranged to control an environment of the work station. The work station is at least partially sealable. The machine has a clean side and a dirty side. Novel processing heads particularly adapted for use in the new machine tool are disclosed. These may also be retrofitted to CNC machines. The novel heads include heads adapted to carry out two processes simultaneously. Heads adapted to carry out heat and pressure treatment are also disclosed. Use of the processing heads to carry out analysis in manufacturing steps is disclosed as is the provision and use of heads that can carry out analysis as well as processing.

In example implementations, a method is disclosed. The method includes dispensing a layer of an optically clear build material, dispensing a fusing agent onto a first portion of the layer of the optically clear build material, dispensing an invisible fluorescence compound on a second portion of the layer of the optically clear build material, and applying ultraviolet (UV) light to the layer to fuse the first portion and the second portion of the optically clear build material that received the fusing agent and the invisible fluorescence compound. The invisible fluorescence compound is to print an embedded feature in the layer that is invisible under a first light and visible under a second light.

Hybrid 3D printing systems and methods that can embed continuous fibers in photosensitive resins to produce a dense, high surface quality, fiber reinforced component, including complex shapes. The system includes a nozzle system having a resin container and a fiber path therethrough, the nozzle system having an outlet for resin and a continuous fiber, and at least three light sources spaced around and each in close proximity to the outlet, with each of the at least three light sources independently controllable. In use, the light source behind the nozzle, when the nozzle is moving, is activated to cure the photosensitive resin. The continuous fiber can be a pre-impregnated, high density fiber bundle (e.g., 6K, 12K).

The present disclosure provides a 3D printer including a receiving surface for accepting the accumulation of material layers, and a gantry having a shaft and carriage that is translated along the shaft, and an extruder assembly that is articulated to rotate a printing plane, wherein the extruder assembly is attached to the carriage and the articulated extruder assembly is manipulated to rotate the printing plane away from parallel with the receiving surface.

3D printing device and 3D printing method. The device comprising:a build platform having an external surface;means for providing a polymerizable fluid resin on said surface;a radiation source, to emit a radiation beam to said surface;beam positioning means, to variably position an impinging point of said beam; andmeans for controlling said source and said positioning means to manufacture a 3D tubular object according to a model;wherein the build platform comprises a stem forming a tubular shaped surface around a longitudinal axis, so that said external surface of said build platform is comprised in said tubular shaped surface, and said positioning means is configured to variably position said impinging point of said beam on different points of said fluid resin provided on said tubular shaped surface.

The present disclosure relates a method of chemical polishing a 3D printed object. The method comprises treating a 3D printed object with solvent to reduce the surface roughness of the 3D printed object, and controlling the Youngs modulus of the 3D printed object within a target value by selectively removing at least part of the solvent from the 3D printed object.

The invention discloses a three-dimensional printing method and three-dimensional printing equipment for manufacturing a target object. The three-dimensional printing method includes: forming a first plurality of layers of a target object using a base material; and forming a second plurality of layers of the target object using the first material and a second material different from the first material, including: curing the first material to form a first portion of the first layer of the second plurality of layers; curing the second material to form a second portion of the first layer of the second plurality of layers; curing the first material to form a first portion of a second layer of the second plurality of layers on the first portion of the first layer; curing the second material to form a second portion of a second layer of the second plurality of layers on the second portion of the first layer; the steps are repeated to form a second plurality of layers of the target object. According to the method, at least two materials can be printed on the same layer, so that the printing effect of multiple materials (such as colors) is achieved.

A three-dimensional shaping device includes: a plasticization unit that plasticizes at least a part of a material to produce a shaping material; a nozzle that ejects the shaping material to an uppermost layer; a moving mechanism that changes a relative position between the nozzle and the uppermost layer; a control unit that controls the moving mechanism such that the shaping material is ejected from the nozzle to the uppermost layer; and a compression unit that has a contact surface with a shape surrounding the nozzle and is capable of compressing the shaping material by bringing the contact surface into contact with the shaping material ejected to the uppermost layer.

The invention provides a method for constructing a multi-phase multi-material structure through DLP3D printing and SLS laser selective sintering. The method comprises the steps that 1, materials are prepared; photosensitive resin is used as a matrix, a ceramic precursor, a metal particle precursor and a functional resin mixed material suitable for photocuring 3D printing are prepared, and it is ensured that the viscosity, rheological property and stability of all materials meet the photocuring printing requirement. And 2, carrying out photocuring 3D printing. Step 2, the multiple kinds of slurry in the step 1 are sequentially loaded into an independent special material groove of 3D printing equipment, layer-by-layer curing printing is conducted through the digital light processing technology according to preset three-dimensional model geometric information, and in the printing process, different materials are deposited to a designated area according to the design layout by adjusting the printing sequence and the light source position. The invention provides a new possibility for manufacturing a complex and multifunctional composite structure.

The present disclosure provides systems and methods for printing three-dimensional (3D) objects. A system for printing a 3D object may comprise at least one platform configured to hold a film of at least one mixture, a deposition unit for providing the film of the at least one mixture, and a building unit for forming at least a portion of the 3D object from the film of the at least one mixture. The system may further comprise a controller operatively coupled to the at least one platform. The controller may be configured to direct the at least one platform to move from the deposition unit to the building unit, or vice versa, along a plurality of non-overlapping paths.

The invention provides a method for producing a 3D item (1) by means of fused deposition modelling, the method comprising: a 3D printing stage comprising layer-wise depositing 3D printable material (201), to provide the 3D item (1) comprising 3D printed material (202), wherein the 3D item comprises layers (322) of 3D printed material, wherein the 3D printable material comprises a thermoplastic material (401) and a photocatalytic material (409) wherein during at least part of the 3D printing stage the method comprises producing pores (423) in the 3D printable material.

An additive manufacturing method in a heatable build room. A semi-crystalline modelling material is deposited through a nozzle on a build base or on a previously deposited slice. The crystallinity (%) of the modelling material of the previously deposited slice is above a remaining crystallinity threshold. The crystallinity, at least at a region where a new track is deposited by the printhead on said previously deposited slice, and within a time range of 0-5 sec. after the new track is deposited, is controlled such that the crystallinity by default is going below the remaining crystallinity threshold and such that it selectively is maintained above said remaining crystallinity threshold, or the other way around. The crystallinity being controlled by e.g. controlling the temperature of the build room or of the nozzle; or selectively and locally cooling or heating the object at the region where the next track is deposited.

An additive manufacturing device includes a stage configured to support a substrate. The device also includes a printhead disposed above the stage. The printhead is configured to heat a build material to a molten build material and to deposit the molten build material on the substrate in the form of droplets to fabricate an article. The device also includes a controlled heating and ablation system disposed proximal the printhead. The controlled heating and ablation system is configured to heat the substrate and ablate oxides on a surface of the substrate.

A spatially coherent machine for manufacturing comprises, in one example, a workpiece holder configured to secure a workpiece, a toolholder with at least one axis of motion control configured to perform a subtractive machining operation on the workpiece using a machining tool, a heating element configured to perform a heating operation on the workpiece, and a forming element configured to perform a forming operation in which force is applied to the workpiece in an amount that causes plastic deformation of the workpiece material. The workpiece holder secures the workpiece during the heating, forming, and subtractive operations such that the forming and subtractive operations are performed in a spatially coherent manner.

An additive manufacturing system is disclosed. The additive manufacturing system may include a support, and a print head operatively connected to and moveable by the support. The print head may include an outlet configured to discharge a material, and a compaction module configured to compact the material. The additive manufacturing system may also include a controller configured to selectively adjust a pressure applied by the compaction module on the material independent of movement of the print head caused by the support.

The present disclosure is directed to a construction element produced by additive manufacturing, an additive manufacturing system for producing the construction element and a method for manufacturing the construction element. The construction element includes an outer layer. The outer layer is configured to define or form an enclosure. The construction element further includes an inner matrix. The inner matrix is formed within the enclosure. The outer layer and the inner matrix are formed integrally, by depositing successive layers using an additive manufacturing system. The inner matrix is defined by a first layup and a second layup. The first layup is laid along a first direction and across the enclosure. The second layup is laid juxtaposing the first layup. The first layup and the second layup define a plurality of air pockets in the inner matrix. Further, a filler material is infused into at least some air pockets of the plurality of air pockets.

The present disclosure is directed to a construction element produced by additive manufacturing, an additive manufacturing system for producing the construction element and a method for manufacturing the construction element. The construction element includes an outer layer. The outer layer is configured to define or form an enclosure. The construction element further includes an inner matrix. The inner matrix is formed within the enclosure. The outer layer and the inner matrix are formed integrally, by depositing successive layers using an additive manufacturing system. The inner matrix is defined by a first layup and a second layup. The first layup is laid along a first direction and across the enclosure. The second layup is laid juxtaposing the first layup. The first layup and the second layup define a plurality of air pockets in the inner matrix. Further, a filler material is infused into at least some air pockets of the plurality of air pockets.

Embodiments of the disclosure are directed to an apparatus (200) for smoothing a surface of an object (100). The apparatus (200) includes a chamber (210), a reservoir (216, 324) configured to hold a liquid (322), and a nebulizer assembly (212) configured to generate a mist (104) from the liquid (322) into the chamber (210). The nebulizer assembly (212) includes a mesh (732), a vibrating element (731), and a wick (736). The object (100) is received in the chamber (210) and the mist (104) is configured to surround the object (100).

The invention relates to a wax formwork production device for producing a wax formwork (150) for concrete casting, having: (a) a melting unit (10) for heating the wax to a predetermined temperature above the solidification temperature of the wax, (b) a mixing unit (20) which is configured to admix gas into the wax such that a wax-gas mixture is produced, (c) a nozzle (30) which is arranged downstream of the mixing unit (20) in the direction of flow and is configured to apply the wax-gas mixture in layers to a substrate, (d) a positioning system (50) for positioning the nozzle (30) relative to the substrate, and (e) a control unit (60) which is designed to control the positioning system (50) for positioning the nozzle (30) relative to the substrate such that the wax formwork (150) is produced. The invention also relates to a concrete casting manufacturing plant having such a wax formwork production device and a concrete feeding device for casting concrete in the wax formwork, to a method for producing a wax formwork, and to a method for producing a concrete component.

To further suppress displacement in a direction along a pressing surface when pressing an object, to execute more appropriate press processing.SOLUTION: A pressing device for pressing an object having wiring formed on a base material and / or in a base material and a component disposed on a base material and / or in a base material comprises: a support part; a first pressing member having inside a buffer part fixed on the support part to buffer a volume change; and a second pressing member which is stacked on top of the first pressing member and which comes into contact with the object to press the object.SELECTED DRAWING: Figure 1

A method of manufacturing a part includes removing material with a cutting machine to form a plurality of segments, at least two of the segments including an anchoring structure, connecting two or more segments to form a first layer, and connecting two or more additional segments to form a second layer. The method also includes connecting the first layer to the second layer and connecting a support structure directly to two of the anchoring structures.