1487results about "Manufacturing auxillary operations" patented technology

The invention provides an enhanced 3D printer. The enhanced 3D printer comprises a workbench, and a transmission mechanism with a printing platform is installed on the workbench; an internal thread piece with an internal thread hole is detachably mounted on the printing platform, and the reinforcing screw rod is screwed in the internal thread hole of the internal thread piece; the printing platform is provided with a driving device used for driving the reinforcing screw to rotate. The model is bonded on the printing platform, and a reinforced hole is formed in the model; under the driving of the driving device, the reinforcing screw rod can do reciprocating motion in the vertical direction, and the reinforcing screw rod is screwed into the reinforcement hole or withdrawn from the model; the scraper in the trough can move from one side to the other side to push solid particles deposited at the bottom of the trough from the working area to the non-working area. The invention further provides an enhanced 3D printing method. According to the method, the situation that cracks and even fractures occur to the model due to the gravity influence and the binding force effect of the release film in the printing process can be effectively reduced or even avoided.

A method of forming a seal plate for an ACM, having steps of: forming a base having a first section exposed to flow from an ACM first stage turbine inlet when installed; a second section secured to an ACM compressor shroud; a third section secured to a first stage nozzle and ACM shroud when installed; a fourth section that is adjacent to a rotor blade of the ACM compressor rotor when installed, forming the base includes: printing thermoplastic polymer surfaces from thermoplastic polymers, that are disposed against each other, the thermoplastic polymer surfaces having differing CTEs; forming a lower support section on the base by printing along the discrete sections a mixture of a third thermoplastic polymer and a catalyst formed with metal; and forming an upper support section on the seal plate by depositing on the lower support section, along the discrete sections, via electrolysis deposition, a metallic coating.

Forming a shroud for an ACM by: forming a base having discrete sections including: a first section defining connecting features for connecting with a fixed ACM structure; a second section positioned adjacent to a compressor rotor when installed in the ACM; and a third section disposed adjacent to a drive ring bearing when installed in the ACM; forming the base includes: printing thermoplastic polymer surfaces, respectively from thermoplastic polymers, disposed against each other, a first thermoplastic polymer surface having a CTE, and a second thermoplastic polymer surface having a second CTE; forming a lower support section on the base by printing along the discrete sections of the base a mixture of a third thermoplastic polymer and a catalyst formed with metal; and forming an upper support section on the shroud by depositing on the lower support section, along each of the discrete sections, via electrolysis deposition, a metallic coating.

Additive manufacturing devices with subtractive tools are provided. In one aspect, an additive manufacturing device includes a shoulder configured to rotate about a central axis, the shoulder including a central channel extending from a first end of the shoulder to a second end of the shoulder, the central channel configured to allow a filler material to pass through the shoulder from the first end towards the second end. The additive manufacturing device also includes a subtractive tool assembly including a subtractive tool and an insert sleeve. At least a portion of one or more cutting surfaces or edges of the subtractive tool extend outside the central channel of the shoulder when the subtractive tool is removably received in the insert sleeve and the insert sleeve is received in the central channel of the shoulder.

The invention provides spin-drying and cleaning integrated equipment and a spin-drying and cleaning method.The spin-drying and cleaning integrated equipment comprises a spin-drying device, the spin-drying device is suitable for spin-drying a printing model, the spin-drying device is loaded with a spin-drying barrel when in a spin-drying state, and the printing model is suitable for being placed in the spin-drying barrel to be spin-dried; the cleaning device is suitable for cleaning the spin-dried printing model, the cleaning device comprises a plurality of cleaning loops, the cleaning device is loaded with a cleaning barrel in a cleaning state, the printing model is suitable for being placed in the cleaning barrel to be cleaned, and the cleaning barrel communicates with the plurality of cleaning loops; the cleaning loops are suitable for injecting cleaning liquid into the cleaning barrel and recycling the cleaning liquid, and the cleaning liquid of at least two cleaning loops is different. According to the spin-drying and cleaning integrated equipment and the spin-drying and cleaning method, the spin-drying and cleaning effect of the printing liquid medicine on the printing model can be greatly improved, and it is ensured that the smoothness, the detail precision and the mechanical strength of the printing model meet the design requirements.

A method includes curing a photopolymer resin disposed between a first build surface and a flexible film layer to form a print layer of a printed part. Here, the print layer of the printed part defines a second build surface attached to the flexible film layer. The method also includes translating a peeling mechanism between the second build surface and the flexible film layer to detach the flexible film layer from the second build surface.

The invention relates to the technical field of advanced manufacturing, and discloses a patterned multilayer structure construction method based on immiscible phase auxiliary filling. The construction method of the patterned multilayer structure comprises the following steps: S1, dispersing assembly units in a curable water phase to obtain a pre-assembly liquid; s2, the pre-assembly liquid is added to the bottom layer of an assembly cavity, an insoluble phase is added to the upper layer to be flush with the upper edge of the assembly cavity, standing waves are applied, the assembly units form patterns in the pre-assembly liquid, the pre-assembly liquid is cured, and a first structural layer is obtained; s3, removing the immiscible phase, adding the assembling liquid to the surface of the first structural layer, adding the immiscible phase again until the immiscible phase is flush with the upper edge of the assembling cavity, applying standing waves to enable the assembling units in the pre-assembling liquid to form patterns, and solidifying the pre-assembling liquid to obtain a second structural layer; and S4, repeating the step S3 to obtain the patterned multilayer structure.

The invention discloses a post-treatment system and process for PBF printing plastic parts, and the post-treatment system comprises a solvent storage bottle, a part treatment assembly and a solvent recovery assembly; a solvent is stored in the solvent storage bottle; the part processing assembly is used for carrying out fairing treatment on the PBF printing plastic part; the solvent recovery assembly is used for recovering the vaporized solvent in the part treatment assembly and re-liquefying and storing the vaporized solvent; the output end of the solvent storage bottle is connected with the input end of a solvent cabin of the part treatment assembly through a peristaltic pump, and the part treatment assembly is connected with the solvent recovery assembly through a recovery valve. According to the principle that the solvent is rapidly vaporized under the pressure difference, then uniformly reaches any surface position of the workpiece and is condensed and liquefied again, the surface defects of the workpiece are gradually dissolved and leveled under the action of the solvent, then the solvent steam is liquefied and recovered again, and the residual solvent on the surface of the workpiece is removed. The common surface roughness problem of the 3D printing plastic part can be effectively improved, and the appearance quality of the part is improved.

The invention provides a device for multi-material photo-curing additive manufacturing, and belongs to the technical field of photo-curing additive manufacturing, the device comprises a workbench, the workbench is provided with a lifting column and a printing platform, the printing platform is connected with the lifting column, the lifting column can drive the printing platform to ascend and descend, and the printing platform is used for bearing a printing blank; the number of the printing cleaning assemblies is at least two, each printing cleaning assembly comprises a slurry table and a cleaning table, each slurry table is provided with a slurry groove, and each cleaning table is provided with a cleaning groove; all the printing cleaning assemblies are connected with the moving assembly, and the moving assembly is used for driving all the printing cleaning assemblies to move and enabling the printing platform to be located above any one of the slurry tables or above any one of the cleaning tables. The photocuring additive manufacturing device has the beneficial effects that printing of multiple materials can be achieved through the same photocuring additive manufacturing device, and meanwhile interface pollution of dissimilar materials is prevented.

The anti-adhesion 3D printer comprises a machine body, a printing device is installed at the position, close to the left side, of the top of the machine body, and a square hole is formed in the middle of the top end of the machine body in a penetrating mode. The heating plate is used as the printing table top, under the cooperation of the lifting mechanism and the clamping mechanism, rapid demolding is achieved, the phenomenon that a formed plastic product adheres to the printing table top is prevented, after demolding, part of plastic raw materials usually adhere to the top of the heating plate, and the plastic raw materials are not prone to falling off. And in order to prevent the phenomenon from occurring and better carry out next-step printing, under the cooperation of a first cooling fan, a first cleaning mechanism, a material guiding mechanism and a second cleaning mechanism, solidified plastic at the top of a heating plate and the bottom of the plastic product is removed at the same time, so that the phenomenon that the bottom of the plastic product is uneven and uneven is avoided. The production efficiency of plastic products is improved, the qualified rate of the products is increased, the whole process is automatically carried out, and the requirements of workers are met.

The present invention relates to a method for treating polymer elements obtained by an additive manufacturing process. The method encompasses providing a treating liquid in a chamber of an apparatus and providing the polymer elements to be treated. Further, the method optionally encompasses a heating step of heating a treating liquid to a temperature below an upper threshold temperature, wherein the upper threshold temperature is in a range of 1° C. to 80° C. below the melting temperature of the polymer from which the polymer elements are formed. The method further encompasses a treatment, preferably smoothing, step, wherein the polymer elements are in, or come into, contact with the treating liquid at a temperature above a lower threshold temperature and below the upper threshold temperature for a predetermined period. This is carried out under conditions in which the treating liquid is in liquid state. Furthermore, the method optionally encompasses a cooling step for cooling the polymer elements. The present invention also relates to an apparatus for treating polymer elements.

Automatic unloading mechanism, characterized in that it includes: a print platform assembly comprising a print platform, a drive belt arranged on the print platform, and a first drive element geared to the drive belt, wherein the first drive element is configured to drive the drive belt to move a model in a first direction; and An unloading assembly comprising a locking bar and a second drive element geared to the locking bar, wherein the second drive element is configured to drive the locking bar to move to a first position to avoid the model, so that the model is moved by the drive belt in the first direction, or to drive the locking bar to move to a second position to prevent the model from being moved by the drive belt in the first direction, so that the model is unloaded from the print platform assembly.

The invention relates to a nozzle module and a three-dimensional printer. The nozzle module comprises a heat dissipation assembly; the locking assembly comprises a clamping ring piece fixed to the heat dissipation assembly and a knob piece connected to the clamping ring piece, the clamping ring piece is provided with a clamping hole and an opening which penetrate through the clamping ring piece in the first direction, and the opening communicates with the clamping hole; the nozzle assembly sequentially penetrates through the clamping hole and the heat dissipation assembly in the first direction; wherein the knob part can rotate relative to the clamping ring part, and under the condition that the knob part rotates relative to the clamping ring part, the width of the opening is selectively decreased or increased, so that the clamping ring part clamps or releases the nozzle assembly. Quick mounting and quick dismounting can be achieved, mounting and dismounting are convenient, and the mounting and dismounting efficiency is improved.

The invention discloses 3D printing equipment, and belongs to the technical field of printing equipment. According to the 3D printing equipment, one printing bin can be matched with a plurality of forming bins, the forming bins are all placed on the corresponding moving seats with the moving wheels when not working, before printing work is executed, the forming bins needing to be used are pushed to the position below the printing bin, then the lifting driving mechanism jacks the forming bins, so that the first bin opening and the second bin opening are in butt joint, and the printing work is completed. Therefore, the forming bin and the printing bin can be quickly assembled. After printing is completed, the printed forming bin descends through the lifting driving mechanism so that the printed forming bin can be supported on the moving base again, on one hand, the printed forming bin can be moved to the next station for subsequent operation, and on the other hand, the next ready forming bin and the printing bin can be assembled. Compared with the prior art, the method has the advantages that the occupied auxiliary working hours of the printing host can be greatly reduced, and the use efficiency of the printing host is improved.

A printed porous structure (500) fabricated using a multi-step absorption, MSA, process, said printed porous structure (500) comprising a support layer (520) that supports a filtration membrane (510), wherein said support layer (520) and said filtration membrane (510) are integrally formed.

A 3D printed, complex polymer structure can include a seed layer on the polymer structure. A thin film can be disposed on the seed layer. The seed layer can be an oxide, a nitride, or an oxynitride. The thin film can be an oxide, dielectric, semiconductor, or conductor. The polymer structure can be a lattice structure, cantilever, beam, or other shapes.

The invention relates to the technical field of battery design and manufacturing processes, in particular to an all-solid-state battery based on a 3D printing technology and a preparation method, and the all-solid-state battery comprises a positive electrode, a negative electrode, a solid electrolyte and a current collector; a positive electrode is composed of lithium cobalt nickel manganese oxide and the like, and a novel conductive agent and a multifunctional modifier are added; the negative electrode is made of a silicon-tin-carbon composite material and the like; the solid electrolyte contains components such as lithium, lanthanum, zirconium, tantalum and oxygen; the current collector is alloy foil and is plated with a specific film, and the material proportion and characteristics of all parts are clear. The unique material formula improves the battery performance, and enhances the energy density and cycle stability; the structure is accurately controlled through the 3D printing technology, and the production efficiency and the battery consistency are improved; the solid electrolyte guarantees safety, reduces hidden dangers, and is beneficial to wide application in multiple fields.

The invention belongs to the technical field of material preparation, and particularly relates to a bone induction material and a preparation method thereof. The invention firstly provides the bone induction material, wherein the bone induction material is prepared from a glassy carbon material subjected to surface modification; the glassy carbon material subjected to surface modification has a coral-like or coral-like morphology, and the coral-like or coral-like morphology comprises a straight line, an arc line, a branched structure, a circular ring or circular ring-like structure and / or a bead-like morphology formed by self-assembly of nanoparticles; the coral-like or coral-like morphology also comprises a non-uniform hole structure. The invention innovatively provides that the carbon material can have a bone induction effect, and proves that the bone induction material prepared by taking the glassy carbon material as the matrix has the capability of accelerating bone tissue repair and regeneration.

A method and system for tensioning film tank in a liquid photopolymer container designed for use in a stereolithography (SLA) additive fabrication device is disclosed. The liquid photopolymer container comprises a tank frame, a film clamp that attaches to the tank frame and secures a film between the clamp and the tank frame, and a film positioned between the clamp and the bottom surface of the tank frame. The film clamp and the tank frame include raised-features and recesses that mate together to increase the grip on the film.

The invention belongs to the technical field of printing equipment, specifically a 3D printing equipment with uniform printing, comprising a box body, a carrying plate is slidably installed on the inner side of the box body along the vertical direction, a second electric slider is slidably installed on the lower surface of the connecting block along the horizontal direction, a fixing frame is installed on the lower surface of the second electric slider, both ends of the clamping block are slidably clamped with limit blocks along the horizontal direction, a positioning block is commonly clamped and installed between the middle parts of the lower ends of the opposite surfaces of the limit blocks, and a 3D printing nozzle is installed in the middle part of the lower surface of the connecting plate. The beneficial effects of the invention are: it is helpful to disassemble the 3D printing nozzle, and after using the 3D printing equipment for a long time, when it is necessary to clean the residual material in the 3D printing nozzle, the 3D printing nozzle can be conveniently disassembled to facilitate the cleaning of the residual material in the 3D printing nozzle, which helps the 3D printing equipment to print the three-dimensional model uniformly.

A robotic construction system for use in constructing a structure, the construction system including a base, a boom extending from the base, an articulated delivery head attached proximate an end of the boom, the delivery head including a nozzle configured to deliver a construction material and a controller configured to control movement of the boom and the delivery head to thereby move the nozzle and deliver construction material, wherein the boom moves with a slower dynamic response over larger distances and the delivery head provides a faster dynamic response over smaller distances.

A dual-switch 3D print head having synergistic printing of resin and continuous fibers, the print head comprising a main frame (1), wherein a resin head extrusion mechanism (3) is provided on the main frame (1); the main frame (1) is connected to a continuous fiber printing mechanism (6) by means of a dual-nozzle switching mechanism (2); a continuous fiber cutting mechanism (7) and a wire feeding and clamping coordination mechanism (63) are provided on the continuous fiber printing mechanism (6); the continuous fiber printing mechanism (6) comprises a continuous fiber printing mounting plate (61); a fiber clamping mounting base (631) is provided on one side of the top of the continuous fiber printing mounting plate (61); a fiber clamping actuator is mounted on the fiber clamping mounting base (631); a clamping connecting rod (635) is movably connected to the end of the fiber clamping actuator; the other end of the clamping connecting rod (635) is connected to a fiber guide wheel (633); a wire feeding gear (634) is provided beside the fiber guide wheel (633); and the wire feeding gear (634) is mounted on the continuous fiber printing mounting plate (61). The dual-switch 3D print head can ensure the precision of the relative positions between dual nozzles during multiple switchings for a long time, and also achieve the organic combination of active wire feeding and passive wire feeding for a continuous fiber wire material is also realized, thereby realizing high-quality printing of continuous fibers.

To miniaturize a liquid discharge head.SOLUTION: A three dimensional object printing apparatus 1 includes a head unit 3a having a liquid ejecting head 30 that ejects first liquid, a head unit 3b having a liquid ejecting head 30 that ejects the second liquid, and a robot 2 that moves the head unit 3a with respect to a three dimensional workpiece W in a state in which the head unit 3a is mounted and moves the head unit 3b with respect to the workpiece W in a state in which the head unit 3b is mounted, and the head unit 3a and the head unit 3b are attachable to and detachable from the robot 2.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of 3D printing, in particular to a line merging mechanism, a printing head and a three-dimensional printer, the line merging mechanism is applied to printing equipment, the printing equipment further comprises an extrusion mechanism and a nozzle assembly, and the extrusion mechanism is used for selectively driving a target consumable in a plurality of consumables to advance or retreat; the extrusion mechanism is located at the upstream of a consumable path of the line combining mechanism and the nozzle assembly, and the line combining mechanism comprises a plurality of feeding channels and at least one discharging channel communicated with the feeding channels; the nozzle assembly is used for being communicated with the discharging channel. The printing head comprises the line merging mechanism. The three-dimensional printer comprises the line merging mechanism and a printing head. According to the technical scheme, multi-color printing can be achieved without cutting off the consumables.

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.

The invention provides a method for manufacturing a terbium-dysprosium-iron giant magnetostrictive alloy based on three-dimensional photocuring molding, which comprises the following steps of: firstly, preparing three-dimensional photocuring molding slurry, adopting photosensitive resin as a matrix, and matching with a metal organic chelating agent containing terbium-dysprosium-iron giant magnetostrictive alloy component to enhance the uniform distribution of metal powder so as to ensure the printing precision and the material stability; secondly, the resin and the chelating agent are removed through heat treatment degreasing, the degreasing process is controlled by controlling the heating rate, and structural collapse is avoided; decarburization is carried out in a low-oxygen atmosphere, so that the purity of the alloy is improved, and the structural integrity before sintering is ensured; then reduction treatment is performed to improve the structural stability and purity; and finally, high-temperature sintering is carried out under the assistance of a magnetic field, grain orientation and magnetic domain arrangement are optimized, and the magnetostrictive effect and the force-magnetic energy conversion efficiency are improved. According to the method, three-dimensional light curing forming and magnetic field auxiliary heat treatment are combined, and the risk of structural damage in the printing process of the terbium dysprosium iron giant magnetostrictive alloy is practically and effectively avoided.

The present application provides a 3D printing device (10). The 3D printing device (10) comprises a printing platform (100) and a separation assembly (200); the separation assembly (200) comprises a separation member (210) and a flipping member (220); the separation member (210) is used for separating a workpiece (900) from the printing platform (100); and the flipping member (220) is used for flipping the workpiece (900).

Disclosed in the present application are a rotating disk device and a curing machine. The rotating disk device comprises a mounting plate, a bearing plate, an active rotating disk, and a driving member. The bearing plate is rotatably mounted on one side of the mounting plate and in a detachable manner, and the bearing plate is provided with a first magnetic member. The active rotating disk is arranged on the other side of the mounting plate, and a second magnetic member, which is arranged corresponding to the first magnetic member, is arranged on the active rotating disk. The driving member is connected to the mounting plate and cooperates with the active rotating disk, and the driving member is used for driving the active rotating disk to rotate.