353results about "Manufacturing environment conditioning" patented technology

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.

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.

The invention discloses multi-laser 3D printing equipment. The multi-laser 3D printing equipment comprises an additive forming bin; a forming assembly is arranged above the additive forming bin, and the additive forming bin can be connected with the forming assembly in a sealed mode. The additive forming bin is arranged on the conveying assembly and can slide on the conveying assembly. The conveying assembly is arranged on the rack; a powder cleaning assembly is arranged on one side of the additive forming bin; the additive forming bin comprises a forming bin body and a forming assembly arranged in the forming bin body, the forming assembly is connected with the lifting assembly, the lifting assembly can drive the forming assembly to ascend and descend in the forming bin body, and the forming bin body is connected with the lifting assembly in a sealed mode. The forming bin has the beneficial effects that the sealing performance of the forming bin body can be improved due to the fact that the forming bin body is connected with the lifting assembly in a sealed mode, only the forming bin body needs to be subjected to gas washing during gas washing, the space occupied by the lifting assembly is reduced, particles generated by sintering are not prone to entering the connecting part of the forming bin body and the lifting assembly, and the sintering efficiency is improved. And finally, the service life of the lifting assembly is prolonged.

The present disclosure provides three-dimensional (3D) printing processes, apparatuses, devices, software, and systems for controlling and / or safely treating debris.

The invention relates to an additive manufacturing machine (4) comprising:-a manufacturing enclosure (49) equipped with a glove box (251):-a powder transport circuit (42):-a power source configured to melt the powder in the manufacturing zone (63); and-a collection circuit (57) configured to collect powder from the transport circuit (42) and transport the collected powder to an outlet of the collection circuit (57), the outlet of the collection circuit being located above a reception zone (281), the reception zone (281) being different from the manufacturing zone (63) and located opposite the outlet of the collection circuit (57), and the gloves (251) being configured to handle an object located in the enclosure (49) and to reach the reception zone (281).

The utility model relates to an air purification module, three-dimensional printing equipment and a three-dimensional printing system. The air purification module comprises an air inlet channel, a carrier unit, an illumination unit and an exhaust channel, and the carrier unit is loaded with a titanium dioxide photocatalyst; the illumination unit corresponds to the carrier unit and is used for emitting ultraviolet light; the exhaust channel communicates with the air inlet channel to form an airflow channel, the carrier unit and the illumination unit are both arranged in the airflow channel, and the airflow channel is used for communicating with a printing space where the three-dimensional printing equipment is located. According to the air purification module, the ultraviolet light emitted by the illumination unit and the titanium dioxide photocatalyst in the carrier unit are subjected to photochemical reaction, volatile organic compounds can be purified, meanwhile, due to the fact that the titanium dioxide photocatalyst in the carrier unit cannot be consumed, frequent replacement of the carrier unit can be avoided, and the service life of the air purification module is prolonged. The replacement frequency of the carrier unit and the photocatalyst can be reduced while the purification effect of the air purification module is improved.

A method of printing a three-dimensional object (90) including: providing a 3D inkjet printing system including: a printing chamber (162) accommodating a printing unit (120) having an inkjet printing head and a curing subunit (124), and a supply unit (130) including a modeling material and a support material; and printing the 3D object (90) in multiple consecutive layers according to a predefined printing sequence, wherein for at least one of the multiple consecutive layers the predefined printing sequence for the same respective layer includes depositing and curing the modeling material and the support material separately from each other either in time or in space. Some embodiments may include controlling a concentration of oxygen in the printing chamber (162) to be in a predefined oxygen concentration range. Some embodiments may include controlling a temperature in the printing chamber (162) to be in a predefined temperature range.

A Hall effect thruster is provided having one or more components fabricated using additive manufacturing techniques. Additive manufacturing can be used to fabricate the magnetic flux guide and the discharge channel of the thruster. In addition, the propellant distributor for the thruster can be incorporated into the base of the discharge channel. The magnetic flux guide can be fabricated with a filament impregnated with a magnetic material and the discharge channel can be fabricated with a filament impregnated with a ceramic material. Permanent magnets can be positioned in the magnetic flux guide at locations that surround the discharge channel.

We describe a system for use in an apparatus for producing a three-dimensional workpiece using an additive layer manufacturing technique, the system comprising: an irradiation unit configured to selectively irradiate an irradiation plane with an irradiation beam, and a control unit coupled to the irradiation unit and configured to control the irradiation unit to modulate, as a function of a local process parameter when producing the three-dimensional workpiece, an irradiation beam property of the irradiation beam.

Device for separating pollutants and / or particles from a process exhaust gas stream, in which a process raw gas flows by means of a compressor towards at least one filter element and through the at least one filter element; wherein the at least one filter element is arranged in a chamber and a metering device for a powdered additive is arranged upstream of the at least one filter element in the flow direction of the process raw gas, with which the additive can be supplied to the process raw gas. characterized in that wherein a storage container (A) for the powdered additive is arranged on the dosing device such that the powdered additive is dispensed onto a surface of at least one sieve (D) and that at least one sieve (D) can be set into vibration by means of a device (B) and / or vibrations can be coupled into the sieve (D) that act on the sieve (D); wherein characterized by the fact that The mesh size of the at least one sieve (D) and the particle size of the powdered additive are selected such that particles of the powdered additive only pass through the sieve (D) if the at least one sieve (D) has been set into vibration or the sieve (D) is vibrating and particles that have passed through the at least one sieve (D) can be fed into the process raw gas stream and are deposited as part of a filter cake on the at least one filter element, wherein two sieves (D) are arranged decoupled from each other so that independent, unhindered vibration of one of the two sieves (D) or both sieves (D) is possible.

The utility model discloses a material conveying and spraying device for 3D printing, and belongs to the technical field of material conveying for 3D printing, the material conveying and spraying device for 3D printing comprises a discharging bin and a feeding port formed in the side wall of the discharging bin, the bottom of the discharging bin is fixedly connected with a connector, the connector is detachably connected with a nozzle, and the nozzle is fixedly connected with the discharging bin. A first baffle and a second baffle which are of an annular structure are sequentially and fixedly connected to the axial position of the inner side of the nozzle from top to bottom, a hard spring is installed on the upper surface of the second baffle, and the top end of the hard spring is connected with a sealing ball abutting against a through hole in the first baffle. Guide rods are symmetrically installed on the outer wall of the sealing ball, guide grooves in sliding connection with the ends of the guide rods are formed in the inner wall of the nozzle, a sealing cover is installed on the top of the discharging bin, an air inlet pipe is installed on the sealing cover, it is guaranteed that the pressure of material spraying is consistent front and back, and then the printing effect is guaranteed.

The present invention relates to a method for producing a composite body (2) from at least two sub-bodies (1), wherein at least one of the sub-bodies (1) is produced by an additive manufacturing process, and wherein the at least two sub-bodies (1) are exposed in a chamber (6) to a solvent atmosphere (7) so that a surface of the sub-bodies (1) is smoothed. The invention also relates to a composite body (2) produced according to the method. For the method, it is proposed that the at least two sub-bodies (1) are positioned in the chamber (6) such that they touch at at least one joining surface (5), and thus a metallurgical bond is formed between the at least two sub-bodies (1) at the at least one joining surface (5) by the solvent atmosphere (7).

A method for manufacturing a graphene-incorporated UHMWPE structure, the method comprising the step of i. providing a build chamber having a vertically movable platform defining a build plate, on which SLS In a 3D printing process, powder material may be sintered layer by layer, and the method further includes: ii. preheating a build chamber; iii. reducing the pressure in the build chamber and / or supplying an inert gas into the build chamber; iv. depositing a UHMWPE powder layer on a build plate to define a print bed; v. exposing a selected area of ​​the UHMWPE powder layer to at least one first laser light source to create a sintered region of the UHMWPE powder layer; vi. exposing a selected area of ​​the UHMWPE powder sintered region to at least one second laser light source to induce graphene formation derived from the UHMWPE powder; vii. lowering the platform by one step corresponding to the thickness of the UHMWPE powder layer and depositing a further UHMWPE powder layer thereon; and viii. repeating steps (v) to (vii) until the structure is complete.

Techniques for preventing contamination of an electronic component via gas flow are described. According to some aspects, an electronic component module is configured to provide gas flow past and away from an electronic component such that thermal and material exchange is limited between the electronic component module and a coupled system. In some embodiments, the coupled system may be a portion of an additive fabrication device. As a result, a reduced number of contaminants may adhere to the electronic component, extending its lifespan and reducing maintenance.

The present disclosure provides a filament replacement mechanism for a 3D printer and a 3D printing system. The filament replacement mechanism includes: a support; a filament guide unit disposed on the support and including a plurality of secondary filament guide tubes and a filament guide opening connecting with the plurality of secondary filament guide tubes, where the filament guide opening is configured to be jointed with a main filament guide tube of the 3D printer; and a plurality of filament replacement units disposed on the support. According to the present disclosure, a variety of filaments can be automatically provided for the 3D printer according to printing needs, and the replacement of filament spools is also facilitated.

The present invention relates to an additive manufacturing apparatus (40), which comprises a chamber (11, 21), a driving device, a molding chamber (43), and a powder laying device, the chamber (11, 21) having a support table (13b, 24) arranged in a sealed manner in the chamber (11, 21), a quick release assembly arranged at the bottom of the support table (13b, 24) to be connected to the driving device so that the driving device can be quickly connected to or disconnected from the support table (13b, 24), and the chamber A first part (14a) of the assembly transfer structure is arranged on (11, 21), which cooperates with a second part (14b) of the assembly transfer structure arranged on the additive manufacturing device (40) to realize the rapid transfer of the chambers (11, 21) in the additive manufacturing device (40). Thus, after additive manufacturing is completed, the post-processing of the molding table (13) can be quickly performed and the chambers (11, 21) can be quickly replaced, significantly reducing the time required for maintenance and reducing potential risks in the maintenance process.

The powder supply device (2) comprises a powder feeding part (21), and the powder feeding part (21) is provided with at least one material opening (216) connected with a powder supply connector; the dispersing part (22) is connected with the powder feeding part (21), and a uniform flow guide belt (222) for uniformly conveying powder flow is arranged in the dispersing part (22); the vibration part (23) is arranged at one end of the powder feeding part (21) and is used for providing vibration force acting on the powder feeding part (21), so that the powder feeding part (21) uniformly conveys powder flow through the dispersion part (22); and the material level detection part (24) is at least partially inserted into the powder feeding part (21) and is used for detecting the amount of powder in the powder feeding part (21). Under the action of vibration, a layer of uniform powder flow can be formed in the dispersing part (22), and powder is uniformly conveyed to a designated position, so that continuous and stable conveying of powder materials is realized, and the vibration frequency and amplitude can be adjusted according to different material properties to achieve a better conveying effect.

The invention provides a curing system, a printer and a second curing container, and the curing system comprises a first curing container which comprises a shell with a first opening and a door configured to open and close the first opening, and the first curing container is internally provided with a curing light source and a heating assembly; the second curing container can be put into the first curing container through the first opening and can be taken out of the first curing container, the second curing container is provided with a cavity configured to contain a printed piece, and the second curing container is provided with an air inlet and an air outlet which are communicated with the cavity; and at least part, facing the curing light source, of the second curing container is configured to be light-transmitting. The second curing container can be placed in the first curing container and taken out of the first curing container, the gas inlet is connected with a gas source, at least one of nitrogen or carbon dioxide or inert gas is filled, and the aerobic inhibition phenomenon caused by curing of the second curing container in the aerobic environment is avoided.

The invention relates to an additive manufacturing machine (4) comprising: - a manufacturing enclosure (49) equipped with a glove box (251); - a powder transport circuit (42); - a power source configured to melt the powder in the manufacturing zone (63); and - a collection circuit (57) configured to collect powder from the transport circuit (42) and transport the collected powder to an outlet of the collection circuit (57), the outlet of the collection circuit being located above a reception zone (281), the reception zone (281) being different from the manufacturing zone (63) and located opposite the outlet of the collection circuit (57), and the gloves (251) being configured to handle an object located in the enclosure (49) and to reach the reception zone (281).

A method for removing powder from a three-dimensional workpiece produced by additive manufacturing is provided. The method includes mounting a build cylinder to a build cylinder fixture. The build cylinder includes a substrate for holding the three-dimensional workpiece and a sidewall releasably attached to the substrate. The build cylinder includes residual powder from the additive manufacturing process of the three-dimensional workpiece. The method further includes attaching a foil to the build cylinder fixture and / or the substrate. Additionally, an apparatus is provided for removing powder from a three-dimensional workpiece produced by additive manufacturing.

A method of determining an irradiation sequence for a powder bed fusion process, wherein each scanner of a plurality of scanners is operated to steer a corresponding energy beam across the powder bed (104) such that a plurality of the energy beams (118a, 118b, 118c, 118d) irradiate the powder bed (104) when a recoater (109) is above the powder bed (104), and powder layers (104a, 104b) are formed with the recoater (109) such that a movement of the recoater (109) on a powder layer forming stroke differs for different ones of the powder layers (104a, 104b). The method comprises determining an irradiation sequence for a powder layer 9104a, 104b) by allocating each scanner to irradiation regions (1a, 2a, 3a, 4a,1b, 2b, 3b, 4b) taking into account the movement of the recoater (109) on the powder layer forming stroke differing for different ones of the powder layers (104a) such that irradiation of each irradiation region (1a, 2a, 3a, 4a, 1b, 2b, 3b, 4b) is completed before the irradiation region (1a, 2a, 3a, 4a, 1b, 2b, 3b, 4b) is covered during formation of the next powder layer (104b).

The present disclosure discloses a 3D printing system and method. The system includes a 3D printer, a controller, and a gas separation apparatus. The controller connects with the 3D printer, and is configured to control the 3D printer to perform 3D printing. The controller also connects with the gas separation apparatus, and is configured to generate a control instruction according to a preset control policy and send same to the gas separation apparatus. The gas separation apparatus is configured to, based on the received control instruction, separate a target gas from air received from the outside of the gas separation apparatus, so as to transport same to the 3D printer.

A method and system for additive manufacturing is disclosed. In one example, the method comprises (a) positioning a foil layer onto a substrate, (b) laser welding the foil layer to the substrate, (c) laser ablating the foil layer using a pulsed laser beam to remove at least a portion of the foil layer, the pulsed laser beam comprising optical pulses with a pulse duration in a range from 0.5 ps to 10 ps inclusive, and (d) repeating steps (a) to (c) until the 3D component is completed.

In a process for the lithography-based generative production of three-dimensional shaped bodies, wherein material that is solidifiable by exposure to electromagnetic radiation is present on a material support that is permeable in at least a region thereof, a building platform is positioned at a distance from the material support, material located between the building platform and the material support is heated and in the heated state is location-selectively irradiated by a first radiation source and solidified, wherein the electromagnetic radiation is introduced into the material from below through the material support that is at least partially permeable to radiation from the first radiation source, the heating of the material is performed by irradiating the material support with electromagnetic radiation of a second radiation source, wherein the material support is substantially impermeable for the radiation of the second radiation source.

The present invention relates to a manufacturing plant FA which can be automated and is based on optical interaction, in particular a manufacturing plant for selective laser melting SLM, and an integratable filter device FV, in which through selective use of device elements a contamination of different particle residues within the manufacturing plant FA can be avoided and, in addition, a manufacturing atmosphere defined by a homogeneous process gas flow can be formed. Furthermore, the present invention relates to a manufacturing system for the automated manufacture of workpieces by irradiating a material to be processed which, with the aid of controlled adjustments of the process gas to be introduced into the manufacturing plant FA to the properties of the filter device FV, makes possible the aforementioned generation of the manufacturing atmosphere in particular irrespective of the used manufacturing materials.

The invention relates to the technical field of 3D printing, in particular to a multi-nozzle micro-nano 3D printing device and method based on second electrode auxiliary electric field driving. The injection process is controlled through the first voltage, and the second electrode voltage is used for controlling deflection of the jet flow. Because the voltage of the second electrode is adjustable and the jet flow surface is provided with positive charges, the deflection of the conical jet flow can be accurately controlled by adjusting the voltage under the interaction of the electric field.

The utility model relates to an air purification device and a three-dimensional printing system, and the air purification device comprises an outer cylinder which is provided with an air supply channel; the inner barrel is arranged in the air supply channel, and the air supply channel is divided into a first airflow channel and a second airflow channel by the inner barrel; the purification assembly is arranged in the air supply channel and comprises an illumination module, a photocatalyst carrier module and an ozone generation module, the ozone generation module is arranged in the second airflow channel, and ozone generated by the ozone generation module flows to the first airflow channel from the second airflow channel. Inlet air flow of the air supply channel can smoothly enter the first air flow channel and the second air flow channel, the air inlet efficiency is improved, air is rapidly purified, meanwhile, ozone enters the first air flow channel from the second air flow channel, decomposition of harmful substances can be enhanced, and the purification effect is improved.

This disclosure relates to a pulsed release module, a pulsed release tray, a 3D printing apparatus and a printing method, wherein the pulsed release module includes a tray assembly, a support assembly and a pulsed gas supply assembly, the tray assembly having a release film, the support assembly being located below the tray assembly and the support assembly having a support member, the support member and the release film being separated by a first predetermined distance in the height direction to form a gas chamber between the support member and the release film, the support member being provided with an intake port and an exhaust port communicating with the gas chamber, the pulsed gas supply assembly including a gas oscillation assembly and a gas supply line, the gas oscillation assembly being located in the gas supply line and the gas supply line being connected to the intake port.