2691 results about "3D printing" patented technology

The invention discloses a 3D printing path planning method based on electric arc additive anisotropy and a stress field, and the method comprises the steps: constructing a CAD three-dimensional model of a part, and obtaining the stress field of the part through finite element simulation; determining a slice plane; mapping the stress field to a slice plane to form a force flow line; according to the obtained force flow line, rotation transformation regeneration is carried out according to the anisotropy of the used electric arc additive, and a reference trajectory considering the anisotropy of the material is obtained; under the principle of alternate arc starting and extinguishing, the corresponding printing sequence in the layers and between the layers is further planned, and the reference trajectory lines are connected end to end to be planned into a continuous path; and generating a code file, and printing according to the printing sequence. The comprehensive mechanical property of a printed piece is improved.

A silicon carbide source material structure for use in a sublimation system for growing crystalline silicon carbide is provided. The silicon carbide source material structure includes a composite shaped solid. The composite shaped solid may be made by casting, extrusion, 3D printing, graphite conversion, or other suitable process.

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 discloses a copper-molybdenum alloy component and a manufacturing method thereof, and belongs to the technical field of alloy manufacturing. Mo powder is sequentially subjected to vacuum drying treatment, oxidation-reduction treatment and coating treatment, so that the Mo powder has good flowability and powder laying uniformity; under the preset 3D printing condition, the porous Mo framework which is stably formed and complex in structure can be obtained, the problems that an existing rolling composite method is complex in technological process, strict in technological requirement and the like are solved, and the method is suitable for manufacturing parts with small sizes or complex shapes; the porous Mo framework is subjected to vacuum thermocuring and Cu infiltration treatment, and the obtained copper-molybdenum alloy component is excellent in compactness, high-temperature stability, interface bonding strength, heat conduction, electrical conductivity and the like. The problems that a copper-molybdenum alloy obtained in the prior art is poor in wettability and low in density and uniformity, and the mass content of copper is lower than 30%, so that the heat conductivity, the electric conductivity, the air tightness and other performance are low are solved.

The invention relates to the technical field of flexible sensors, in particular to a gradient hierarchical porous structure flexible piezoresistive sensor and a preparation method thereof. The sensor is of a laminated structure and comprises an upper flexible packaging protection layer, a lower flexible packaging protection layer, a conductive fabric electrode and a middle piezoresistive sensing layer, and a limiting frame is arranged on the periphery of the sensor. The sensing layer is prepared by adopting a 3D printing ink direct writing technology, and adopted printing slurry takes silicone rubber as a matrix and is uniformly mixed with expanded conductive microspheres and conductive filler. The printing wires are stacked in order to form a macroscopic gradient porous network structure; after the expanded microspheres are subjected to in-situ foaming, micro closed pores are formed in the material, and a rough microstructure is constructed on the surface of the wire material, so that hierarchical multi-scale regulation and control of a conductive network are realized cooperatively, contact sites are increased remarkably, and the sensitivity of the sensor is further improved effectively. The flexible piezoresistive sensor prepared by the invention has the advantages of high sensitivity, wide pressure detection range and high linearity, and has the commercial values of simple preparation process, high repeatability, lower cost and the like.

The invention discloses a deformation compensation method for a 3D printing model of an oral implanting guide plate, and belongs to the technical field of computer-aided design and manufacturing. The method comprises the steps that original three-dimensional model data of the oral implanting guide plate is obtained; performing dynamic hierarchical stress accumulation analysis on the original three-dimensional model data, and generating a dynamic stress evolution field for describing the internal stress distribution and change of the model in the virtual printing process; based on the dynamic stress evolution field, generating an adaptive compensation transformation matrix for correcting geometric deformation; and performing compensation transformation on the original three-dimensional model data by using the self-adaptive compensation transformation matrix to generate high-fidelity compensation model data. A self-adaptive compensation transformation matrix is generated through dynamic hierarchical stress accumulation analysis to preprocess three-dimensional model data, complex deformation in the printing process can be accurately predicted and compensated, and therefore the forming precision of a printed piece is remarkably improved.

The utility model discloses a 3D (three-dimensional) printing integrated manufacturing device, which is characterized in that a printing switching driving mechanism is used for switching a material attached in a material containing groove in a working state through a printing switching driving mechanism to form a forming curing layer through photocuring, so that different surface models of an integrated carrying platform can be constructed, namely, different working surfaces of 3D components can be subjected to 3D printing. And integrated and one-time printing construction is realized.

This invention provides a multifunctional gradient composite filament for 3D printing, its preparation method, and its applications, relating to the field of additive manufacturing materials technology. The filament's cross-section includes at least two structurally or functionally distinguishable regions, each region composed of a thermoplastic polymer with different chemical properties, or a thermoplastic polymer matrix with the same chemical properties but different functional modifications. These at least two regions are arranged in an ordered spatial pattern on the filament's cross-section using a multi-component co-extrusion technique, enabling pre-design and integration of properties. This invention overcomes the inherent limitations of traditional single-material filaments, achieving multifunctionality and performance designability of a single filament. It significantly improves the interlayer bonding performance of multi-component 3D printing and the comprehensive mechanical properties of the printed composite material. Furthermore, it allows for the production of components with both functional gradients and high mechanical properties in a single printhead operation, making it suitable for mass production.

The invention belongs to the technical field of 3D printing, and particularly relates to a deviation real-time monitoring system for a 3D duplicating printing forming process, which comprises a three-dimensional reference feature extraction module, a printing interlayer deviation sensing module, a real-time feedback regulation and control module, a duplicating stability hidden danger output module and a user control management terminal, a high-precision reference model is constructed through a three-dimensional reference feature extraction module, a printing interlayer deviation sensing module comprehensively calculates and accurately captures interlayer deviation, a real-time feedback regulation and control module dynamically adjusts equipment and environment parameters according to a deviation value, and a stability hidden danger output module studies and judges potential risks and performs early warning. The duplicating printing performance evaluation module controls the product percent of pass and the equipment running state from the overall level, real-time monitoring, precise regulation and control and hidden danger pre-judgment of 3D duplicating printing deviation are achieved, the product reject ratio is remarkably reduced, the manual intervention cost is reduced, meanwhile, centralized management and control by a user are facilitated, and the intelligence and reliability of 3D duplicating printing are comprehensively improved.

The invention discloses a hypha mineral composite bionic sand stabilization unit body and a preparation method thereof, and relates to the technical field of sand stabilization, the interior of the unit body is provided with a bionic three-dimensional porous skeleton structure, the unit body comprises a porous core layer, a porous core layer and a porous core layer, the porous core layer takes cleaning sand grains with the particle size of 0.1-2 mm as a sand-based carrier; uniformly mixing and curing with organic nutrient substances, mineral precursors and strain spores; the composite reinforcing layer is formed by interweaving and compounding a mycelium network formed by germination and growth of strain spores, mineral crystals generated by in-situ mineralization induced by metabolic activity of hyphae and a plant fiber reinforcing material which is externally added and embedded into the pores in the pores of the porous core layer; according to the hypha mineral compounded bionic sand stabilization unit body and the preparation method thereof, mold pressing or 3D printing prefabrication is adopted, the structure is controllable, and standardized production and transportation are facilitated; and through a controllable fermentation and gradient dehumidification mineralization culture process, hyphae and minerals are ensured to be uniformly and fully compounded in pores, and the product quality is stable.

The invention discloses an XR-based immersive three-dimensional modeling and straight-through 3D printing system and method, and the method comprises the steps: S1, collecting user input, and converting the user input into an interaction instruction; s2, generating three-dimensional model data; s3, superposing the three-dimensional model into a real physical environment according to a proportion of 1: 1, and outputting a virtual-real fusion display result; s4, performing printability analysis on the model, marking a problem area, guiding a user to modify and providing an automatic repair suggestion; s5, generating a support structure, and providing visual preview and interactive editing; s6, slicing and path planning are executed, and a printing instruction file meeting the control requirement of the 3D printer is generated; s7, communication connection with the 3D printer is established, and printing state information is fed back; and S8, providing storage and calling support of the three-dimensional model file, parameter configuration and environment map data. According to the invention, seamless integration of immersive XR modeling, MR real-time verification and one-key direct-through 3D printing is realized.

The invention relates to self-curing keratin 3D printing ink integrated with shear activation microcapsules and a preparation method of the self-curing keratin 3D printing ink, and belongs to the technical field of biological 3D printing and intelligent materials.The preparation method comprises the steps that high-molecular-weight soluble keratin powder is dissolved in a biocompatible water-based medium with the pH being 6.5-8.5, and after even mixing and defoaming are conducted, a keratin base solution is obtained; wrapping the core material in a corresponding shell to obtain a microcapsule with the average particle size of 1-10 microns; under the stirring condition, the microcapsules are evenly dispersed into a keratin base solution at the temperature of 0-8 DEG C until a uniform suspension system is formed, and the self-curing keratin 3D printing ink integrating the shear activation microcapsules is obtained. And the curing process of the ink is internalized in the printing behavior, so that the printing process is simplified, and the equipment cost and the operation difficulty are reduced. The cross-linking agent is effectively isolated, so that the ink can be stably stored for several weeks before printing without gelling, and the problem that double-component ink must be immediately used after being mixed is solved.

The invention provides a composite material solar interface evaporation device and a preparation method and application thereof. The solar interface evaporation device comprises a photo-thermal layer and a supporting layer, and a plurality of fluid transportation channels are formed in the supporting layer. The photo-thermal layer combines the carbon nano tube and the silver particles to generate an efficient photo-thermal conversion film, so that the photo-thermal conversion efficiency is improved; pVA is adopted as a curing film-forming agent, a PVA aqueous solution is firstly sprayed on the surface of the supporting layer through a laminated spraying method, then the photo-thermal layer is sprayed on the surface of the PVA film layer, and the photo-thermal layer is prevented from being stripped from the supporting layer; the supporting layer is of a hollow conical supporting structure prepared from PA12 through the selective laser sintering (SLS) 3D printing technology, and a capillary triangular tooth-shaped groove is designed to serve as a fluid conveying channel. The evaporation device achieves efficient photo-thermal energy utilization, high seawater evaporation rate and biological pollution resistance, has the advantages of being low in preparation cost, long in service life, environmentally friendly and the like, and has wide application prospects in the fields of seawater desalination and sewage treatment.

The invention discloses a titanium-magnesium intramedullary nail and a designing and manufacturing method thereof, and the designing and manufacturing method comprises the steps that multiple working modes of the titanium-magnesium intramedullary nail are defined according to use requirements, a mode specification table is generated, and the mode specification table comprises main structure parameters, simulated bone trabecula structure parameters and a magnesium alloy filling scheme corresponding to each working mode; based on the mode specification table, optimization design of parameter mapping is conducted, a customized parameter combination of the titanium-magnesium intramedullary nail is determined, and the customized parameter combination comprises pore distribution and magnesium alloy gradient degradation configuration; a 3D digital model of the titanium-magnesium intramedullary nail is generated through modeling of the mode specification table, a titanium-magnesium intramedullary nail prototype is manufactured through a low-temperature 3D printing process, and magnesium alloy filling and micropore channel integration are completed through customized parameter combination in the period; the process of designing, optimizing, forming and compositing is achieved; according to the method, a mode specification table and parameterization mapping serve as links, the titanium-magnesium intramedullary nail integrated design and manufacturing process is constructed, and therefore multi-mode parameter customization is achieved while the manufacturing stability is guaranteed.

The invention discloses a BIM intelligent assembly system applied to node construction, and belongs to the technical field of node construction. The BIM intelligent assembly system comprises the following modules: a node-level BIM parameterized model library; a factory-end intelligent manufacturing module; the field end intelligent assembly module comprises a reusable node sensing layer composed of UWB, IMU and a visual fusion sensing suite; an edge decision-making layer in which a lightweight Transform model is embedded; the shape memory alloy lock pin and the self-locking and self-adjusting execution layer of the piezoelectric micro-displacement sliding table are integrated on the node connecting plate; and a block chain quality file sub-module. The parameterized node group is directly issued to the steel bar hoop bending robot, the sleeve welding robot and the 3D printing mold, the space coordinates of steel bars, sleeves and embedded parts can be locked within the millimeter-level range in the factory stage, and the six-degree-of-freedom postures of the nodes are captured in real time during on-site hoisting; once deviation is found, the edge AI gives out a posture adjusting instruction immediately, and correction is completed through an SMA lock pin and a piezoelectric micro-displacement sliding table.

This invention relates to an apparatus and method for fabricating microanodes using localized electrochemical deposition additive manufacturing, belonging to the fields of 3D printing technology and electrochemical deposition. The y-axis moving device is threadedly connected to the frame assembly, and the dual-nozzle device is also threadedly connected to the y-axis moving device. The z-axis moving device is fixed to the frame assembly, and the heated bed platform is fixed to the z-axis moving device. An inert metal wire cutting device is installed on the connecting shaft between the z-axis moving device and the heated bed platform. The advantages are: it automates the fabrication of microanodes using localized electrochemical deposition additive manufacturing, improving the efficiency of microanode fabrication and saving manpower, material resources, and financial resources; it solves the difficulties of traditionally using capillary glass tubes to encapsulate extremely fine inert metal wires, allowing for convenient encapsulation of inert metal wires with diameters below 20 micrometers; it utilizes laser cutting for post-processing the electrode, avoiding the difficulty of grinding a smooth electrode surface; and the electrode shape can be designed by computer, without shape limitations.

A low-cost photovoltaic panel cleaning robot comprises a robot body, a chassis executing mechanism, a cleaning brush device and an anti-falling mechanism, and the chassis executing mechanism takes a crawler-type mechanism as a motion executing carrier and drives a crawler belt through a large-torque coding motor so that the robot body can execute operation actions on a photovoltaic panel; the cleaning brush device comprises an industrial cleaning brush, a 3D printing supporting force arm, a driving motor, a bearing, a rubber synchronous belt and a synchronous gear and is used for effectively cleaning dust covering the surface of the photovoltaic panel on the premise that the surface of the photovoltaic panel is not damaged; and the anti-falling mechanism is arranged on the front portion of the robot body and is achieved by detecting the PWM duty ratio of a cleaning brush driving motor, and meanwhile infrared detection sensors are arranged on the tail portion, the left side and the right side of the vehicle body correspondingly and used for preventing the risk that the robot falls when running to the edge of the photovoltaic panel. The method is high in practical applicability and low in hardware cost, the photovoltaic panel cleaning efficiency can be effectively improved, and the application range is wider.

The invention discloses a CuCr contact and a preparation method thereof, and belongs to the field of alloy contact manufacturing, the CuCr contact is divided into an arc contact area, a transition area and a conductive connection area, and the Cr content of each area is in gradient distribution and is sequentially reduced, so that interface stress concentration can be avoided, and the structural compatibility and mechanical reliability of the whole contact are improved; meanwhile, integrated forming is achieved through the 3D printing technology, the size and the component boundary of each area can be accurately controlled, the complex structure design requirement of the contact is met, and the problems that in the prior art, performance gradient cannot be achieved according to the function requirements of different parts of the contact, and the material utilization rate is low are solved; the printed contact does not have the phenomena of composition segregation, agglomeration, uneven pores and the like, and the problems that in the prior art, Cr elements are difficult to distribute uniformly in a Cu matrix, Cr particles are prone to segregation and agglomeration, local ablation resistance is insufficient, and burning resistance is low are solved.

The present disclosure relates generally to creating metal carbide parts or parts with metal carbide layers. In some aspects, the present disclosure relates to converting metal parts to metal carbide parts or parts with metal carbide layers. In other aspects, the present disclosure relates to metal-impregnated coatings that may be used to form metal carbide layers on parts. In yet other aspects, the present disclosure relates to metal-impregnated resins being used as material for 3D printing, casting, or coating disposable substrates, or otherwise forming objects that become standalone ceramic parts upon heat treatment and carburization of the metal.

The invention discloses a shoe sole mold additive manufacturing process, and relates to the technical field of shoe sole molds, the shoe sole mold additive manufacturing process comprises the steps of early-stage data processing, printing matrix preparation, metal 3D printing, post-processing, quality inspection and finished product mold assembly, a complex structure difficult to machine through a traditional process can be achieved, and various metal materials such as aluminum alloy, stainless steel and titanium alloy are supported; the yield and quality of the parts are improved through the high-precision forming process; meanwhile, by means of the technology, optimization design of a conformal cooling water channel and the like can be achieved, so that the performance of the mold is improved, and good cost benefits are achieved when high-cost materials are used or small-batch production is conducted.

The invention discloses a food 3D printing control system and printing method based on artificial intelligence, and belongs to the technical field of food 3D printing. The system comprises an AI instruction generation module, a dynamic precision prediction module and a real-time error correction and compensation module. The AI instruction generation module is used for analyzing a three-dimensional model input by a user and automatically generating a printing instruction set through a machine learning algorithm in combination with the material characteristic database; the dynamic precision prediction module predicts geometric precision, interlayer bonding strength and structural deformation risk by fusing material physical properties, historical printing data and real-time printing state data; and the real-time error correction and compensation module monitors the printing state in real time, performs defect detection by using a lightweight model, and realizes millisecond-level dynamic compensation control according to a grading strategy library. The full-process intelligent closed-loop control of food 3D printing from model analysis to finished product output is realized, the printing precision, the success rate and the adaptability are remarkably improved, and the dependence on human experience is reduced.

Embodiments relate to methods for course correction of a robotic arm in 3D printing applications involves applying arbitrary offsets along X-, Y-, Z-, and theta Z-axes, enabling correction of arbitrary repeatable errors in the arm's nominal (uncorrected) trajectory. By applying those offsets in the reverse, their effects can be cancelled or reduced to achieve repeatable near-planarity in the path of travel.

The invention relates to a road snow melting device as well as a preparation method and application thereof. The road snow melting device comprises a stable base layer and a thermal resistor, the stable base layer comprises an energy storage body, and the energy storage body can play a structure supporting role; the energy storage body is connected with external electric energy and the thermal resistor through wires. The preparation method of the energy storage body comprises the following steps: preparing cement-based printing slurry; filling the cement-based printing slurry into a 3D printing device, and stacking layer by layer to form a printing body; curing, maintaining, trimming and drying the printing body, and immersing the printing body into a soluble alkali / salt solution to obtain a cement-based electrolyte; a soluble alkali / salt solution is dropwise added to the surface of the electrode, then the electrode and the cement-based electrolyte are stacked and assembled, and an assembly is obtained; sealing and packaging the assembly body to obtain an energy storage body; a printing interlayer interface of the cement-based electrolyte has a directionally arranged pore structure, the pore diameter is 0.5-20 microns, and the porosity is 10-50%; and the hole orientation of the hole structure is consistent with the ion migration direction between the electrodes.

The utility model discloses concrete 3D printing equipment which comprises a guide rail, a mechanical arm and a driving part for driving the mechanical arm to move along the guide rail, and a printing head set and an edge scraping part are arranged at the movable end of the mechanical arm. And the edge scraping part comprises two groups of scraping plates which are symmetrically arranged and is provided with an adjusting part, and the opening degree of the scraping plates is controlled through the adjusting part, so that the edge of the printed concrete is cleaned. The equipment further comprises a first linear module used for driving the edge scraping component to ascend and descend so as to adjust the edge cleaning mode in the printing process. The printing head set is composed of a fixed head and a movable head, the movable head is provided with a rotating part and a second linear module and used for adjusting the distance between the movable head and the fixed head, and therefore different printing requirements are met. The equipment can automatically adjust the position of the scraping part, accurately clean concrete edge residues, improve the printing quality and reduce manual intervention, and is particularly suitable for building projects with high surface quality requirements.

The invention belongs to the technical field of additive manufacturing, and particularly relates to a diamond / copper radiator manufacturing method based on 3D printing, and the diamond / copper radiator manufacturing method comprises the steps that diamond / copper composite powder is prepared, and the composite powder comprises diamond particles with nano alloying elements attached to the surfaces and spherical copper powder; and under shielding gas, green laser with the wavelength of 532 nm is adopted for conducting selective laser melting scanning on the composite powder, meanwhile, high-frequency ultrasonic vibration is applied to a molten pool in a laser acting area, and a diamond / copper composite material radiator green body is formed through layer-by-layer powder laying, scanning melting, ultrasonic assistance and layer-by-layer accumulation. Copper matrix crystal grains are refined through ultrasonic energy, residual stress in the printing process is reduced, generation of microcracks is effectively restrained, the mechanical property and reliability of a workpiece are improved, the high absorptivity of green laser to copper and the technical advantages of 3D printing are combined, and high-quality 3D printing is achieved. And the radiator with fine structures such as complex three-dimensional micro-channels and ultrathin fins can be integrally manufactured.

The invention discloses an intelligent biological eardrum based on individualized 3D printing and a preparation method thereof, and belongs to the technical field of medical instruments, and the eardrum comprises an individualized eardrum substrate, a PEDOT: PSS flexible electrode array integrated on the inner surface of the substrate, a multi-frequency bioelectrical impedance detection module, a VCT module and a central processing unit. Through multi-frequency bioelectrical impedance detection and VCT imaging, an auricle conductivity distribution map can be reconstructed, a nerve active area can be accurately identified, and personalized transcutaneous nerve electrical stimulation parameters can be generated. The invention further provides a corresponding intelligent nerve regulation and control system, a preparation method and a parameter adjustment method based on physiological signal feedback, an integrated solution from individualized manufacturing, precise recognition to self-adaptive closed-loop regulation and control is achieved, and the intelligent nerve regulation and control system is particularly suitable for individualized nerve regulation and control treatment of irritable bowel syndrome and other diseases; the problems of low stimulation precision, lack of individuation, poor comfort, no closed-loop feedback and the like in the prior art are effectively solved.

The invention discloses a tunnel-pile interaction experiment method and device based on a 3D printing technology, and belongs to the technical field of civil engineering underground structure tests. The method comprises the steps that the geometric and mechanical similarity ratio is determined according to an engineering prototype, a tunnel lining model and a pile group model are prepared through the 3D printing technology, and controllable adjustment of the rigidity of the tunnel model is achieved by adjusting the type, the filling rate and the internal structure of a printing material; controllable adjustment of the rigidity of the pile foundation model is realized by adjusting the size of the magnetic field; the model is placed in a soil body groove, the shield tunnel excavation process is simulated, and deformation data of a tunnel and a pile foundation are collected through a PIV technology and a sensor. Accurate control over the rigidity of the tunnel and pile foundation model is achieved through 3D printing, the influence of shield tunnel construction on the pile group foundation can be simulated under the condition that the similarity criterion is met, and the device has the advantages of being adjustable in structure, high in experiment efficiency and the like and can be used for researching a dense urban area tunnel-pile deformation coupling mechanism and optimizing related engineering parameters.

The invention provides a method for inhibiting cracks of an additive manufacturing nickel-based superalloy and application of the method. The method comprises the steps that a selective laser melting technology is adopted, nickel-based alloy powder is subjected to 3D printing, so that the nickel-based alloy powder is formed layer by layer, and a printing component is obtained; wherein during printing, interlayer rotation is carried out, and after printing of each layer is completed, the layer is subjected to same-path instant remelting with the same laser scanning path and the same 3D printing process condition; the printing component is subjected to sectional type heat treatment, the sectional type heat treatment comprises a first stage, a second stage and a third stage, the heat treatment temperature of the first stage is 650-850 DEG C, the heat treatment temperature of the second stage is 950-1200 DEG C, and the heat treatment temperature of the third stage is 650-850 DEG C, so that the nickel-based superalloy is obtained. According to the method, the crack inhibition effect of the additive manufacturing nickel-based superalloy can be improved, and the strength and plasticity of the additive manufacturing nickel-based superalloy are improved.

The invention belongs to the technical field of 3D printing, and particularly relates to a continuous pulse mixed type patterning laser powder bed light path system and method.Laser powder is preheated to be close to a melting point but not molten through set continuous-period light emitting, the preheated laser powder is completely molten through pulse-period light emitting, and in other words, the continuous pulse mixed type patterning laser powder bed light path system and method are obtained; continuous light is only used for preheating powder for a short time, so that the powder is close to a melting point but not molten; then peak energy is rapidly provided through microsecond pulsed light, powder melting is completed instantly, in this way, the effective heating time is shortened, the heat radiation range of heating is controlled, the heating time of a system is far shorter than the heating time of traditional continuous light, melting and solidification are completed when heat is not diffused out of a preset pattern in time, and the production efficiency is greatly improved. Therefore, the fusion area is limited within the pattern range, the subsequent part forming precision is improved, and laser loss caused by too high peak power due to short time is reduced through pulse light emitting and continuous light emitting.

The present application relates to 3D printing wire processing equipment technical field, specifically to a kind of 3D printing wire automatic rolling machine, including rack, tray feeding mechanism, paper tube clamping mechanism, pre-material positioning mechanism, wire arranging mechanism, belt pressing mechanism, pneumatic silk cutting mechanism, adhesive tape attaching mechanism, material receiving mechanism and paper tube conveying mechanism;The equipment can realize paper tube automatic feeding clamping, automatic positioning and rolling and conveying complete rolling paper tube, completely replace manual work, in the operation process, tray feeding mechanism can place paper tube of different sizes, high practicability, paper tube clamping mechanism can automatically clamp paper tube to pre-material positioning mechanism, pre-material positioning mechanism can realize the positioning of paper tube, facilitate subsequent belt pressing mechanism, pneumatic silk cutting mechanism and adhesive tape attaching mechanism Auxiliary rolling operation, wire arranging mechanism can lead 3D printing wire to paper tube, material receiving mechanism and paper tube conveying mechanism can convey the well-rolled paper tube to paper tube collection place, high degree of automation, can greatly improve production efficiency.