777results about "Manufacturing enclosures" patented technology

A powder handling device is provided, along with apparatus and methods of its use. The powder handling device includes a mounting portion defining a plane and comprising a mounting interface; a fixture device configured to mount the mounting portion over an opening of a powder container at a mounting interface; and a powder suction unit attached to the mounting portion and passing through the plane. The powder suction unit is movable relative to the mounting portion with at least one degree of freedom. The powder handling device may be mounted onto an opening of a powder container.

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.

A 3D printing system includes a printing head, a base frame and a material platform. The printing head includes a printing seat and a nozzle seat, where the nozzle seat may rotate relative to the printing seat, and an extrusion opening is formed in the nozzle seat. The material platform includes a frame which may rotate relative to the base frame, and at least one feeding component. The feeding component includes a rotatable follow-up portion arranged on the frame, and the feeding component is used for conveying printing materials to the extrusion opening. A flexible line is connected between the frame and the nozzle seat, and includes a conveying line formed between the feeding component and the extrusion opening for conveying printing materials. The platform frame may rotate following the nozzle seat to prevent excessive winding of the flexible line.

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.

A three-dimensional (3D) printing system is configured to print a 3D article in a layer-by-layer manner and includes a vertical beam, an elevator, and a build platform. The elevator is configured for vertical translation along the vertical beam and includes an upper support and a lower support. The lower support includes at least one elevator actuator extending upward from an upper side. The upper support has a lower side including a datum surface in engagement with the actuator. The elevator actuator is configured to modulate a position of the upper side of the upper support. The build platform includes a build plate coupled below a support plate. The build plate has a lower side for formation of the 3D article. The support plate has a lower side that engages the upper side of the upper support of the elevator to support the build platform.

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 present invention relates to a 3D printer comprising: a vat having an at least partially transparent bottom (1.2) for receiving liquid photoreactive resin for producing a solid component; a building platform (2.1) for pulling the component layer by layer out of the vat; a projector for projecting the layer geometry onto the transparent bottom (1.2); a transport apparatus for moving the building platform (2.1) at least downward or upward in the vat; and a receiving apparatus (2) for detachably connecting the building platform (2.1) to the transport apparatus. The receiving apparatus (2) comprises a pivoting device (2.2) for pivotally holding the building platform (2.1) and is adapted to abut the underside of the building platform (2.1) parallelly onto the transparent bottom (1.2) of the vat when lowered by the transport apparatus, wherein the 3D printer is provided without any means for completely blocking the pivotal movement of the pivotably held building platform (2.1).

The disclosure relates to a method and a device for the production of an optical element from a curable material by using an additive manufacturing technology. According to the disclosure, this method comprises: A—providing a curable material; B—curing said curable material inside sliced outlines (C1) whose geometry are determined according to the geometry of said optical element, said optical element comprising at least: a first volume element (V1) and a second volume element (V2), by forming the first volume element (V1) by irradiating the curable material with at least a first curing surface energy (E1) with a first light depth penetration value within the curable material (Dp1), and forming the second volume element (V2) by irradiating the curable material with at least a second curing surface energy (E2) with a second light depth penetration value within the curable material (Dp2), wherein said second light depth penetration value within the curable material (Dp2) is different from the first light depth penetration value within the curable material (Dp1).

A de-powdering system includes one or more sidewalls defining a support chamber configured to contain an additive manufacturing build where the additive manufacturing build includes one or more objects disposed within a powder build material. A fluidization mechanism is fluidically couplable to a fluid source and includes one or more flow channels fluidically coupled to the support chamber. The fluid source is actuatable to provide a fluid from the fluid source to the support chamber and inject the fluid into the support chamber via the one or more flow channels. The one or more flow channels are oriented to introduce a swirling flow of the fluid into the support chamber to fluidize at least a portion of the powder build material within the support chamber.

A powder removal apparatus includes an extraction housing comprising a sidewall that is sized and configured to extend around a powder bed of a build module and a top wall that is sized and configured to extend between opposite sides of the sidewall and over the powder bed. The sidewall and top wall are configured to form a chamber portion of a turbulence chamber. The top wall has a vacuum exit opening that is configured to fluidly connect to a vacuum source. The sidewall has a plurality of sidewall inlet flow channels that extend from an inlet opening at an exterior side of the sidewall to an outlet opening at an interior side of the sidewall. A side exit channel is configured to extend along the top wall from a collector opening in communication with the chamber portion toward the vacuum exit opening.

The invention relates to a powder bed fusion additive manufacturing system (1) comprising a build chamber (2) extending along a vertical axis (Z) and a removable container (10) which can be inserted into the build chamber (2) in a manufacturing configuration and removed from the build chamber (2) in a powder removal configuration, the removable container (10) comprises a side wall (20) extending along a vertical axis (Z) and a bottom wall (30) movable within the side wall (20) along the vertical axis (Z), the bottom wall (30) comprising a perforated first wall (31) having a first aperture (33), the first aperture (33) being closed in a manufacturing configuration and opened in a depowdering configuration.

The invention belongs to the technical field of additive manufacturing, and discloses a method and device for improving 3D printing quality, the device is used for being matched with an FDM 3D printing system, the device comprises a printing platform (4), a containing cavity (5), a temperature control system, an annular ultrasonic auxiliary system (3), a liquid circulation system and an infrared liquid level detector (8), and the containing cavity (5) is provided with an ultrasonic generator (53); the annular ultrasonic auxiliary system (3) comprises an annular support (31), an ultrasonic array module (32), a spray header module (33) and a lifting mechanism (34). According to the 3D printing device, the assemblies are improved, and 3D printing can be effectively improved through the overall arrangement of the containing cavity, the temperature control system, the annular ultrasonic auxiliary system, the liquid circulation system and the infrared liquid level detector. The device is flexible in structure, high in synchronism and excellent in local treatment capacity, and the surface smoothness and structural integrity of the FDM 3D printing piece can be remarkably improved.

A material changing mechanism and 3D printing system for a 3D printer are disclosed. The material changing mechanism includes: a support frame; a material guiding unit mounted on the support frame, the material guiding unit including multiple sub-material guiding tubes and material guiding ports communicating with the multiple sub-material guiding tubes, the material guiding ports being used to engage with the main feed tube of the 3D printer; and multiple material changing units mounted on the support frame. This allows for the automatic provision of multiple feed lines to the 3D printer according to printing needs and facilitates easy replacement of the feed tray.

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 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 powder removal apparatus includes an extraction housing comprising a sidewall that is sized and configured to extend around a powder bed of a build module and a top wall that is sized and configured to extend between opposite sides of the sidewall and over the powder bed. The sidewall and top wall are configured to form a chamber portion of a turbulence chamber. The top wall has a vacuum exit opening that is configured to fluidly connect to a vacuum source. The sidewall has a plurality of sidewall inlet flow channels that extend from an inlet opening at an exterior side of the sidewall to an outlet opening at an interior side of the sidewall. A side exit channel is configured to extend along the top wall from a collector opening in communication with the chamber portion toward the vacuum exit opening.

The utility model relates to the technical field of 3D printing, aims to solve the technical problem of how to optimize consumable switching, and provides 3D printing equipment which comprises a printing head and one or more consumable storage devices. The printhead includes one or more nozzles. One or more consumables are arranged in the consumable storage devices, one nozzle is connected to one consumable storage device, and the nozzles are configured to perform extrusion molding on the consumables in the consumable storage devices. The high-precision 3D printing device has the beneficial effects that the printing precision of the 3D printing device and switching of different consumables are considered, and high-precision printing work of the multiple consumables is achieved.

The invention relates to a device for decoupling a process chamber 21 of a machine tool from a powder conveying area which is set up for receiving and / or dispensing material powder 33, wherein the machine tool is set up for the layer-by-layer construction of a workpiece by means of applied material layers from the material powder 33 and the device is characterized in that at least one activatable sealing element 2, 3, 4, 5 is provided for decoupling the powder conveying area from the process chamber 21.

A disposable tank and build platform for a 3D printer are disclosed. The container is pre-filled and sealed with light-cured resin. The build platform is a surface to which the printed part adheres during the printing process. The build platform allows for application-specific containers to minimize resin waste during small print batches. The container further comprises a print screen. The print screen is a surface that allows light to pass through to cure the resin. The container with the light-cured resin is configured to allow operators to go through the print process with minimal resin handling and eliminates the need to measure the amount of resin during setup. Further, the container and build platform may come in a type of cartridge that is used up to build specific components such as dental appliances.

A build material escapement assembly (300) for an additive manufacturing system (100) includes a retaining plate (310) defining an outer perimeter (312) and an inner perimeter (314), a retractable plate (350), and a top plate (320) coupled to the retractable plate (350), the top plate (320) including a top plate perimeter (322) and being actuatable between a retracted position and an extended position. A diaphragm (330) is coupled to the top plate (320) via the retractable plate (350) and further includes an exposed area (332) extending between the inner perimeter (314) of the retaining plate (310) and the top plate perimeter (322) of the top plate (320). The retractable plate (350) is actuated in a lateral direction as the top plate (320) is moved from the retracted position to the extended position, and a width of the exposed area (332) of the diaphragm (330) is greater than a travel distance (D) that the retractable plate (350) is actuated in the lateral direction.

The utility model discloses a photo-curing 3D printer printing bin constant temperature mechanism, and relates to the technical field of photo-curing 3D printers, the mechanism comprises a printer body, a printing bin is arranged in the printer body, a placing box used for placing resin materials is arranged in the printing bin, one side of the printer body is hinged with a heat insulation door, and the other side of the printer body is hinged with a heat insulation cover. The device further comprises a heating assembly and ventilation assemblies, the heating assembly is arranged at the lower end of the containing box and used for heating the photosensitive resin material, and the ventilation assemblies are arranged at the left end and the right end of the printing bin and used for improving the cooling effect. The temperature rising assembly is arranged, the internal environment of the printing bin can be integrally heated, the surface of the containing box can be heated, then resin materials can rapidly reach the proper temperature, the ventilation assembly is arranged, efficient ventilation and heat dissipation treatment is conducted on the interior of the printing bin, and when the temperature is about to exceed the optimal interval value, the draught fan is started, and the heat dissipation efficiency is improved. And the cooling operation can be quickly carried out.

A powder bed container (20) and an additive manufacturing apparatus (1) and method utilizing the powder bed container (20) are provided. The powder bed container (20) comprises a container body (200), a guide part (201) and a pushing and pressing part (202), the guide part (201) is installed in the container body (200) and makes contact with a base table (203) used for forming a powder bed (102) above the guide part (201), and the guide part (201) is used for guiding the base table (203) to move; the pushing and pressing part (202) is used for pushing the supporting component (3) in the movement direction and driving the base table (203) to move synchronously by utilizing the supporting component (3); wherein the support member (3) is formed synchronously when the target member (2) is formed. According to the application, the base station (203) is designed to move unidirectionally along the set direction, so that the overall size of the guide part (201) is designed to be close to the actual stroke, thereby reducing the equipment size and reducing the occupied space.

A method of forming a three-dimensional object is carried out by: (a) providing a carrier and an optically transparent member having a build surface, the carrier and the build surface defining a build region therebetween; (b) filling the build region with a polymerizable liquid, the polymerizable liquid comprising a mixture of: (i) a light polymerizable liquid first component, and (ii) a second solidifiable component that is different from the first component; (c) irradiating the build region with light through the optically transparent member to form a solid blocked polymer scaffold and advancing the carrier away from the build surface to form a three-dimensional intermediate having the same shape as, or a shape to be imparted to, the three-dimensional object, with the intermediate containing the second solidifiable component; and then (d) solidifying and / or curing the second solidifiable component to form from said three-dimensional intermediate the three-dimensional object.

The application relates to a wire transfer multi-material additive manufacturing device and method, which device comprises a rack, a station switching module, a lifting module, a forming module and a printing platform; the station switching module is fixedly installed on the rack, the printing platform is connected with the station switching module, and the printing platform is arranged above the station switching module; at least one aluminum profile rack is arranged on the rack, and the lifting module is installed on each aluminum profile rack; the forming module is arranged on the lifting module, the forming module is used for coating a film transfer material and selectively transferring the material to the printing platform; the station switching module moves the printing platform in the horizontal direction, the forming module completes line-by-line coating, forming and demolding of the material on the printing platform, and realizes coverage from a line to a plane. The application not only optimizes the structure of the multi-material additive manufacturing device, improves the stability and operation convenience of the device, but also overcomes the precision and material compatibility problems of existing high-viscosity photocurable materials in the multi-material additive manufacturing technology.

The application relates to the field of 3D printing technology, in particular to a multi-energy-field micro-nano 3D printing equipment and method. The equipment can realize multi-material integration and comprises a multi-material pool, a light source system and a substrate capable of relative motion with the multi-material pool. The light source system is used for emitting an UV light path. The substrate and a conductive resin pool, a functional resin pool and a magnetic control resin pool, which can be accessed by the UV light path, are arranged on the multi-material pool. An asymmetric electric field can be generated in the conductive resin pool. Functional materials are arranged in the functional resin pool. The bottom of the magnetic control resin pool is provided with a uniform magnetic field capable of generating a fixed direction and capable of self-rotation. Through the position cooperation of the multi-material pool and the substrate, the step-by-step printing of conductive materials, functional materials and magnetic materials is realized, and the effect of integrating the three materials is achieved.

A system includes: a frame; a tank defining a volume configured to hold uncured resin; a laser emitting device configured to produce a laser beam; an actuation system to provide relative movement between the laser emitting device and the tank; and a controller configured to: receive print information regarding a three-dimensional object to be printed into the volume of the tank; operate the actuation system based on the print information to move the laser emitting device relative to the tank so that the focal point of the focused laser beam moves within the volume of the tank; and operate the focused laser beam based on the print information, so that movement of the focal point of the focused laser beam inside the volume of the tank energizes a local portion of uncured resin to polymerize the local portion of the uncured resin and to thereby additively manufacture the three-dimensional object.

A three-dimensional (3D) printing system is configured to print a 3D article in a layer- by-layer manner and includes a vertical beam, an elevator, and a build platform. The elevator is configured for vertical translation along the vertical beam and includes an upper support and a lower support. The lower support includes at least one elevator actuator extending upward from an upper side. The upper support has a lower side including a datum surface in engagement with the actuator. The elevator actuator is configured to modulate a position of the upper side of the upper support. The build platform includes a build plate coupled below a support plate. The build plate has a lower side for formation of the 3D article. The support plate has a lower side that engages the upper side of the upper support of the elevator to support the build platform.

The utility model discloses a three-dimensional printer, relates to the technical field of three-dimensional printing, and mainly aims to simplify the printing process of a model and improve the printing efficiency of the model. According to the main technical scheme, the three-dimensional printer comprises a shell, a printing platform, a printing assembly and a post-processing assembly. The post-processing assembly is arranged in the shell; the printing platform is movably arranged on the shell; the printing assembly is movably arranged in the shell, the printing assembly is used for moving between a first position and a second position relative to the shell, in the first position, the printing assembly is located on a moving path of the printing platform, the printing platform is used for moving to the printing assembly to print a model, and in the second position, the printing assembly is located on a moving path of the printing platform; and at the second position, the printing assembly leaves the moving path of the printing platform, and the printing platform is used for moving to the post-processing assembly, so that the post-processing assembly performs post-processing on the model.

The invention relates to a method and an apparatus (1) for additive manufacturing of a 3D item (2) by means of fused deposition modeling of a composite material, whereby the composite material is fed through a heated printer extruder head (4) and deposited on a printer bed (3) as a layer arrangement that form the 3D item (2). The composite material is provided as at least one rigid rod (10) that is conveyed out of a rod magazine (9) that is capable of storing at least one rigid rod (10). The rigid rod (10) is then conveyed through a guide tube (15) that is arranged within the printer extruder head (4), whereby the rigid rod (10) is heated during the conveyance through the guide tube (15), and whereby the heated and viscous composite material is discharged through a discharge nozzle (16) at one end of the guide tube (15) and deposited as the layer arrangement onto the printer bed (3) to generate the 3D item (2).