1883 results about "3d print" patented technology

The invention provides a 3D printing foaming part and a preparation method and application thereof, and belongs to the technical field of 3D printing. According to the method for 3D printing of the foaming part, polyamide powder serves as a raw material, the 3D printed part is prepared, then the 3D printed part is subjected to supercritical fluid kettle pressure foaming, and the 3D printed foaming part is obtained. By controlling the melting point and the average particle size of the polyamide powder, the printing temperature and the solubility of supercritical fluid in the 3D printing foaming part, the 3D printing foaming part with high rebound resilience, bending resistance and hydrolysis resistance is obtained, and the 3D printing foaming part has wide application prospects in the field of foaming shoe materials.

The application discloses a kind of based on 3D printing's three-dimensional model slice path processing method and device. Including: control 3D printer to starting point as starting point;Based on the region surrounded between starting point and reference point, determine the printing point to be printed that 3D printer needs to execute printing action during executing 3D printing job;Starting point and the printing point to be printed are sequentially connected by smooth straight line, generate printing path;Based on printing path control 3D printer executes 3D printing job and obtains target object, to effectively reduce the number of line segments of slice contour line of three-dimensional model forming target object, avoid 3D printer in printing job, in the pause frequency of line segment head, tail, simultaneously avoid the problem that 3D printing model surface protrusion is caused by long time scanning due to pause.In reducing pause frequency, printing is more smooth, improve printing efficiency, simultaneously also reduce algorithm complexity, help the simplification of algorithm.And effectively simplify the algorithm of 3D printer.

The invention provides a universal 3D printing global continuous path planning method and system, and relates to the technical field of 3D printing data processing or control, the method comprises the following steps: inputting an STL model and slicing to obtain each layer of section contour; calculating offset contours of the inner and outer contours by adopting vector operation; interference is eliminated when self-intersection or intersection occurs in the offset contour; constructing a path point set; establishing a mathematical model for path planning; solving the mathematical model by adopting a pointer network based on reinforcement learning to obtain a continuous filling path traversing all the path point sets; curvature constraint smoothing is carried out on the path through an n-order Bezier curve; and generating a 3D printing global continuous path by adopting a greedy search algorithm. The method is suitable for a complex porous structure, path intersection and interruption are reduced, the path length and the bending angle are minimized, and therefore the printing precision and the mechanical property are improved.

The invention discloses a 3D printing path optimization method for a multi-joint industrial robot, and relates to the field of 3D printing path optimization. The method comprises the steps that a normalized torque load index is generated according to the joint torque of the mechanical arm, and a layer cutting thickness sequence is generated in combination with the model surface curvature; a vibration risk index is constructed through the joint angular acceleration, the attitude interpolation weight is dynamically adjusted, and an attitude interpolation trajectory is generated; according to the distribution characteristics of the temperature field around the path point, calculating a thermal coupling factor, generating a thermal avoidance path offset, and correcting the path point; calculating a collision risk score based on the minimum Euclidean distance between the path point and the obstacle model; and fusing the cutting layer thickness, the vibration risk, the thermal coupling factor and the collision risk score, and constructing a global path scoring function. Through comprehensive consideration of mechanical arm load, vibration risk, heat accumulation and collision risk, printing precision and quality are effectively improved, path smoothness is optimized, vibration and heat influences are reduced, material deformation is avoided, and stability of the printing process is ensured.

The invention discloses a 3D printing extrusion monitoring method and system based on continuous image analysis. The method comprises the following steps: acquiring image data of a printing head of a 3D printing platform at a plurality of continuous time points; according to the image data, a printing model part of the printing head is determined based on an image recognition algorithm; according to the image data, the discharging flow corresponding to the printing head is calculated based on a continuous image recognition algorithm; and according to the printing model part and the discharging flow, the flow abnormal condition corresponding to the printing head is analyzed. Therefore, accurate flow anomaly detection based on image analysis can be realized, the stability and the printing quality of the 3D printing process are improved, and the printing defect risk caused by flow anomaly is reduced.

The invention provides a concrete 3D printing self-adaptive deviation correction method and system, and relates to the technical field of intelligent construction and additive manufacturing, the method comprises the following steps: determining a deviation field matrix based on three-dimensional point cloud data, a two-dimensional texture image and printing parameters of a printed concrete layer; and extracting a two-dimensional texture image based on a convolutional neural network model, determining a defect feature data set, inputting the deviation field matrix, the defect feature data set and the printing parameters into a deformation trend prediction model to obtain a deformation trend set, adjusting the printing parameters of the to-be-printed concrete layer, and generating a target concrete member. The technical problems that traditional concrete 3D printing depends on a preset program, dynamic changes of material rheological characteristics cannot be sensed in real time, the extrusion shape deviates from a design target, interlayer dislocation and deformation can be accumulated layer by layer, and structural instability is caused are solved, and the effect of improving the stability of a printed and formed concrete member is achieved.

The invention relates to the technical field of additive manufacturing 3D printing, and discloses a 3D printing head for a continuous fiber reinforced composite material and a printing method. A concentric circle type step temperature control module is used for applying preset step type temperature fields distributed from inside to outside in a gradient mode to adjacent printing layer deposition tows and current deposition tows in the printing process, and the grain size and uniformity of crystalline resin in the adjacent printing layer deposition tows and the current deposition tows are regulated and controlled. The large deformation degree of a printed product after forming is avoided; and meanwhile, in the printing process, secondary heating melting is conducted on deposition tows of adjacent printing layers, under the action of a preset pressure field, fusion of the deposition tows of the adjacent printing layers and current deposition tows is promoted, the bonding strength between printing layers / channels is improved, and then the mechanical property of a 3D printing continuous fiber additive manufacturing printing product is improved.

The invention provides a 3D printing path planning method and system for a three-dimensional curved surface. The method comprises the steps that printing area identification is conducted on a 3D printing model, a curved surface area is obtained, slicing processing is conducted according to the dynamic slice layer thickness, a printing path is obtained through a preset printing path planning method according to the dynamic slice layer thickness, node representation is conducted on the printing path, weight values between path nodes are determined, and a printing path sorting table is generated; 3D printing is executed, detection is conducted through a preset visual sensor, curved surface parameters are obtained, and 3D printing parameters are adjusted according to the curved surface parameters; according to the method, self-adaptive layering processing is carried out by fusing the material performance, the printer parameters and the 3D printing requirements, the path is represented in a nodal mode, the weight values between the nodes are constructed, the path sorting table is generated accordingly, transition path planning and optimization are carried out, 3D printing path planning and optimization of the three-dimensional curved surface are achieved, and the 3D printing efficiency and the printing quality are improved.

The invention discloses a 3D printing aluminum alloy mechanical property prediction method based on machine learning, and belongs to the field of metal 3D printing, and the method comprises the steps that input feature data of 3D printing aluminum alloy are collected, and the input feature data comprise mechanical property data, printing parameter data, special processing data and aluminum alloy wire physical attribute data; preprocessing the input feature data, including performing standardization processing on numeric features and performing numerical coding on category features to obtain a data set; filling missing values in the data set by using a mean value filling method to obtain a complete data set; and training a machine learning model by using the complete data set, and predicting the mechanical properties of the aluminum alloy. According to the method, the efficiency and precision of the aluminum alloy 3D printing process are improved, and prediction of the mechanical property of the 3D printing aluminum alloy is simpler, more convenient and more efficient.

The invention discloses a single-mode intelligent 3D printer control system, and relates to the technical field of 3D printing control, the single-mode intelligent 3D printer control system comprises a multi-source sensing module, an intelligent decision module and an evolution closed-loop module, the multi-source sensing module collects geometric features of a three-dimensional printing model and printing environment state data in real time; the intelligent decision-making module generates self-adaptive slicing parameters based on the data and dynamically adjusts printing process parameters; the evolutionary closed-loop module stores historical printing data and continuously optimizes parameters, the evolutionary closed-loop module, the evolutionary closed-loop module, the evolutionary closed-loop module and the evolutionary closed-loop module form a closed-loop system, and the system realizes full-process intelligent self-adaption from model analysis to printing execution, can improve the stability of printed pieces and the adaptability of the system, and is suitable for complex 3D printing tasks.

The invention relates to the field of 3D printing intelligent casting, in particular to a casting method of a rotor. The problems that in the prior art, manual molding is needed, the production efficiency is low, and the production cost is high are solved, the 3D printing process technology based on the cast sand core is provided, the feeding problem is solved through the measures of reasonably arranging a riser, a patch, simulation software and the like, the sand core is printed through the 3D printing forming technology, the spiral rotor is difficult to mold, and the production efficiency is improved. And finally, the spiral rotor casting meeting the standard precision requirement is produced, and the casting quality of the spiral rotor casting is remarkably improved.

The invention discloses 3D printing high-light-transmittance bio-ink, an artificial 3D algal-bacterial symbiont and a preparation method and application of the artificial 3D algal-bacterial symbiont. The 3D printing high-light-transmittance bio-ink is prepared from polyether F127 diacrylate, polyethylene glycol diacrylate, pyridine degradation special-effect bacterium paracoccus sp. NJUST47, chlorella sorokiniana FACHB-275, a light absorbent and a liquid culture medium containing a photoinitiator, and the 3D printing high-light-transmittance bio-ink is prepared into an artificial 3D bacterium-algae symbiont through one-step 3D printing. The 3D printing high-light-transmittance bio-ink has good synergistic pyridine degradation performance, the constructed artificial 3D algal-bacterial symbiont has high algal-bacterial loading capacity and excellent light utilization rate, enhanced removal of volatile toxic organic pollutant pyridine can be achieved, and degradation stability is good.

The invention relates to the technical field of 3D printing, in particular to a 3D printer nozzle motion control method, which can obtain an original printing track, and adopts a five-point Bezier curve to carry out smooth transition processing on corners between adjacent track sections; generating a speed plan of the nozzle in the smooth trajectory, wherein the speed plan comprises an acceleration stage, a uniform acceleration stage, a constant speed stage, a uniform deceleration stage and an acceleration and deceleration stage; calculating a speed plan of an E axis in direct proportion to the speed plan of the nozzle; and according to the speed plan of the spray head and the speed plan of the E axis, the 3D printer is controlled to execute 3D printing along the smooth track, and synchronous movement of the spray head and the extruder is achieved. It can be understood that according to the technical scheme shown by the invention, the corner is smoothed, the direction of the spray head cannot change suddenly, five-section speed planning is adopted, the acceleration of the spray head changes smoothly, meanwhile, the E axis and the speed of the spray head are coordinated, and the precision and efficiency of 3D printing are improved.

The invention discloses a metal 3D printing detection method and device based on emission spectrum and ultrasonic fusion. The method comprises the following steps: synchronously exciting and collecting full-wave band spectrum and ultrasonic signals on the surface of a sample through laser, preprocessing the signals, inputting the preprocessed signals into a multi-modal deep learning model integrated with an LANet network for feature extraction and fusion, and realizing multi-dimensional detection by using the fused features; the analysis module is used for analyzing element components and chemical defects; a double-flow time sequence network is constructed, time domain characteristics of the ultrasonic signals are analyzed in parallel to evaluate physical defects, and frequency domain sound velocity information is analyzed to evaluate residual stress; and modeling the attenuation characteristics of the ultrasonic signal by using a deep learning model, and calculating an ultrasonic attenuation coefficient to obtain probability distribution of the grain size. According to the method, the two signals are fused, the detection accuracy is improved by utilizing the strong feature mining and nonlinear mapping capability of deep learning, and multi-dimensional comprehensive evaluation of the metal 3D printing component is realized.

The invention relates to a bionic meniscus 3D printing method and system, and the method comprises the steps: reading a meniscus STL model, carrying out the data preprocessing of the data of the model, and carrying out the construction to obtain a concave envelope contour; performing offset processing and four-curve segmentation to generate an elliptic equation fiber field; establishing a bidirectional mapping relation between a parameter space of an elliptic equation fiber field and a meniscus physical space based on an RBF mapping theory; based on a meniscus fiber density gradient change theory, performing simulation in a parameter space of the elliptic equation fiber field to obtain a bionic gradient fiber field; according to the meniscus STL model, the bidirectional mapping relation and the bionic gradient fiber field, fiber path coordinates of a meniscus physical space are obtained, and a 3D printing path is generated; and printing according to the 3D printing path to obtain the bionic meniscus. Precise simulation of a natural meniscus complex fiber structure is achieved through mathematical modeling, and the technical problems that in the prior art, fiber field control precision is insufficient, and regional characteristics are difficult to achieve are solved.

The invention provides a polymer foam product, a preparation method thereof and a shoe material, and belongs to the technical field of 3D printing. The preparation method comprises the following steps: firstly, carrying out melt extrusion on a thermoplastic resin mixed material, and carrying out 3D printing on the obtained thermoplastic resin composite material according to a planned path to obtain a polymer workpiece; the preparation method comprises the following steps: firstly, soaking a polymer workpiece in a solvent, and finally, soaking the soaked polymer workpiece in supercritical fluid, and foaming to obtain a polymer foam product. By adopting the method provided by the invention to prepare the polymer foam product, the polymer foam product with low apparent density, low compression permanent deformation, high rebound resilience and high tensile strength can be obtained.

The invention discloses a ferroelectric electret material based on 3D printing and a preparation method and application thereof, and belongs to the technical field of functional materials and intelligent devices, the ferroelectric electret material comprises solid layers and porous layers, the solid layers are bonded to the two sides of the porous layers, and the porous layers are arranged in one of #-shaped grids or circular grids. By optimizing 3D printing parameters and autonomously regulating and controlling a ferroelectric electret material and a foam structure (pore size, pore shape, porosity and thickness), the ferroelectric electret material can stably store charges after polarization. According to the ferroelectric electret material based on 3D printing and the preparation method and application thereof, the printing precision is improved, the solid layer and the porous layer are prepared separately, the cell size is reduced, and the ferroelectric electret material with excellent piezoelectric performance for 3D printing is obtained; and moreover, accurate control of the foam structure of the ferroelectric electret material, material diversification and preparation process simplification are realized, and the ferroelectric electret material has remarkable advantages in performance and application potential.

The invention discloses a 3D printing path optimization method based on multi-material fusion and 3D printing equipment, and belongs to the technical field of 3D printing. The 3D printing path optimization method based on multi-material fusion comprises the steps that a geometric model of a to-be-printed part is obtained, and an initial printing path is generated based on the geometric model; finite element analysis is conducted on the initial printing path, parameter variables of the corresponding material are obtained, and the parameter variables comprise deformation and printing time; setting a target function according to the parameter variable, and constructing a feasibility constraint condition of printing setting; according to the parameter variable, the objective function and the feasibility constraint condition, performing multi-objective evolution calculation to determine a corresponding Pareto dominating solution set; and determining a printing path corresponding to the parameter variable from the Pareto leading edge of the Pareto dominating solution set. According to the invention, synchronous optimization of printing efficiency and quality is ensured, and the printing efficiency and quality are both considered.

The application provides a post-processing device for 3D printing objects, a 3D printing system and a method, the post-processing device comprising a receiving mechanism for carrying a 3D printing object with excess printing material; a movable mechanism for changing the dripping position of the 3D printing object to make the excess printing material drip from the 3D printing object; wherein the 3D printing object has at least two different inclination angles during the dripping position change. The application changes the dripping position of the 3D printing object, changes the inclination angle of the 3D printing object, separates the excess resin material on the 3D printing object, and improves the efficiency of separating the excess resin.

The utility model provides metal 3D printing equipment with a pre-washing function of a powder cleaning device, which is provided with a forming device and the powder cleaning device, a second feeding and discharging door is arranged in the bottom of a powder cleaning chamber, a turning plate assembly is arranged in the powder cleaning chamber, and the turning plate assembly comprises a fixed support, a sealing plate and an air cylinder assembly. The sealing plate is rotationally connected with the fixed support through the rotating shaft assembly, the fixed end of the air cylinder assembly is rotationally connected with the second side wall of the powder cleaning cavity, and the output end of the air cylinder assembly is rotationally connected with the first end face of the sealing plate; when the metal 3D printing forming part is located in the forming cavity, the air cylinder assembly is in a top stretching state, the second end face of the sealing plate is attached to the second feeding and discharging door in a sealed mode, and pre-gas-washing operation is executed in the powder cleaning cavity; when the metal 3D printing forming part moves into the powder cleaning cavity, the air cylinder assembly is in a containing state, the second end face of the sealing plate is away from the second feeding and discharging door, and the powder cleaning cavity communicates with the external space of the powder cleaning device.

The invention relates to the technical field of 3D printing, in particular to a 3D printing post-processing device and a 3D printing system. The 3D printing post-processing device comprises a post-processing machine body, a processing chamber arranged on the post-processing machine body, a bearing assembly arranged on the post-processing machine body and used for bearing a printing piece and a cleaning assembly arranged on the post-processing machine body and used for applying a cleaning material to the surface of the printing piece, and the cleaning assembly and the bearing assembly are correspondingly arranged; the cleaning assembly comprises a material spraying assembly used for spraying cleaning materials to the surface of the printing piece. In the working process of the 3D printing post-processing device, the material spraying assembly can spray cleaning materials to the surface of a printing piece through the impact force of gas, in this way, on one hand, the washing force on the printing piece can be improved, so that the cleaning effect is improved, and on the other hand, the cleaning materials can be prevented from being gathered at the bottom of the processing chamber under the gravity effect; and the cleaning material repeatedly washes the printing piece under the spraying acting force of the material spraying assembly, so that the use amount of the cleaning material is reduced.

The invention discloses a personalized 3D printing mask based on MRI (Magnetic Resonance Imaging) reconstruction and a preparation method thereof. The method comprises the following steps: scanning a human face by using magnetic resonance equipment to obtain human face MRI data, and generating a human face three-dimensional model according to the human face MRI data; taking the human face three-dimensional model as a reference to generate a three-dimensional mold which is completely fitted with the face contour; extracting physiological parameters of the human face skin from the human face MRI data by adopting a medical image platform, and performing quantitative analysis on the physiological state of the human face skin according to the physiological parameters to obtain a quantitative analysis result; and adopting biological 3D printing equipment, taking a three-dimensional mold as a carrier, and combining the quantitative analysis result to carry out 3D printing, so as to obtain the 3D printing mask. The 3D printing facial mask prepared by the method can be highly fit with the facial contour of a human body, and skin problems of different facial areas can be accurately nursed.

The invention relates to the field of additive manufacturing, in particular to a low-carbon-content and high-density high-performance alloy component and a 3D printing method thereof. The method comprises the steps that high-carbon-sensitivity alloy powder is dried, a core-shell structure model is designed, 3D printing, thermocuring and sintering are conducted, and the low-carbon-content and high-density high-performance alloy component is obtained. The core-shell structure model comprises a shell area and a core area, in the 3D printing process, the saturation degree of a binder in the shell area is controlled to be 30-100%, and the saturation degree of a binder in the core area is controlled to be 0%. According to the method, through combination of selection of a low-residual-carbon binder, design of a core-shell structure and binder differential injection, a gas channel is formed in the sintering process of a 3D printed alloy component, the dissipation distance of decomposed gas is reduced, local residual carbon accumulation formed by retention of carbon in a core part is reduced, and the problem of tissue segregation or generation of a brittle phase is solved. And the prepared alloy component is high in compactness, low in porosity and good in mechanical property.

The invention belongs to the technical field of 3D printing photocuring, and particularly relates to photocuring organic silicon modified polyurethane acrylate resin as well as preparation and application thereof. According to the invention, isophorone diisocyanate is used as a hard segment, polypropylene glycol-1000, dimethylolpropionic acid and dihydroxy-terminated silicone oil are used as soft segments, and the light-cured organic silicon modified polyurethane acrylic resin is synthesized with pentaerythritol triacrylate. By controlling the hydroxyl content in the double-terminal hydroxyl silicone oil and the proportion of the double-terminal hydroxyl silicone oil in a soft segment, the prepared organic silicon modified polyurethane acrylic resin has better flowability and light transmittance and higher double bond content; the organic silicon modified polyurethane acrylic resin, the acryloyl morpholine and the photoinitiator are cured according to a specific proportion, and the obtained elastomer has good mechanical properties and thermal stability and has high printing precision. The synthesized organic silicon modified polyurethane acrylate resin has the potential of replacing a traditional polyurethane acrylate material.

The invention discloses an automatic leveling device and system for 3D printing, and belongs to the technical field of additive manufacturing. The device comprises a rack, an X / Y / Z three-axis module, a spray head assembly, a printing substrate, an automatic leveling module, a camera module and a controller, and the leveling module integrates a laser distance measuring sensor and visual identification equipment and is used for collecting the height of the substrate and outputting Z-axis compensation data. A data processing and fitting module matched with the system is deployed on an upper computer and has the functions of abnormal data removal and polynomial curve fitting, and a control module achieves three-axis cooperative movement based on a CAN bus and adjusts the Z-axis position of a nozzle in real time. High-precision and multi-point Z-axis dynamic compensation is achieved, automatic leveling in the whole process is supported, the device adapts to complex deformation of the substrate, the printing quality and the automation level of equipment are remarkably improved, and the device is suitable for various industrial or desktop-level 3D printing equipment.

The present application relates to the field of molecular sieve catalyst, disclose a kind of preparation method of 3D printing molecular sieve catalyst and the 3D printing molecular sieve catalyst prepared and application, the method is by hydrothermal crystallization to silicate ceramic carrier in crystallization incubation fluid, it can be obtained on silicate ceramic carrier good dispersion, catalytic activity high molecular sieve, preparation process is simple, can not depend on mold to form complex three-dimensional structure, the structure precision of molecular sieve catalyst prepared is high, the content of molecular sieve in catalyst is high, metal in catalyst is supported on molecular sieve, molecular sieve is exposed to the outer surface of catalyst, metal site and molecular sieve acidic active site both have higher accessibility, and catalytic activity is high.

The present invention belongs to the field of 3D printing. Disclosed is a 3D printing device. The device comprises an XR assembly, a printing platform and a frame, wherein the XR assembly comprises an assembly support, a moving seat movably connected to the assembly support in an X-axis direction, a swing arm rotatably connected to the moving seat by means of a swing shaft arranged in a Z-axis direction, a print head fixedly mounted on the swing arm, a first driving mechanism configured to drive the moving seat, and a second driving mechanism configured to drive the swing arm; the printing platform is parallel to an XY plane; the printing platform and / or the XR assembly are / is movably connected to the frame in the Z-axis direction; a lifting driving mechanism is mounted on the frame; and the swing shaft is provided with an axial through hole, and / or the distance of travel of the moving seat in the X-axis direction is greater than or equal to twice the radius of the rotation of the print head. The present invention has a compact structure, but can achieve the forming size of a larger model; and in cooperation with the rotation of the swing arm, a larger print range can be achieved by a relatively small movement distance of the moving seat.

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).

The invention discloses hydrogel bio-ink, a preparation method of the hydrogel bio-ink, a 3D printing biodegradable airway stent and application of the 3D printing biodegradable airway stent. The preparation method comprises the following steps that S1, lung tissue is subjected to freeze thawing, slicing, sequential decellularization of SDS and TritonX-100, air drying, smashing and cryopreservation, and a lung extracellular matrix is obtained; s2, performing sterilization and pepsin treatment on the lung extracellular matrix prepared in S1 to obtain a pretreated lung extracellular matrix; and S3, mixing methyl propionylated gelatin and an alginate solution, pouring the mixture into solid gel, gelatinizing the solid gel, and adding the pretreated lung extracellular matrix to prepare the hydrogel bio-ink. The prepared pig lung acellular extracellular matrix does not have an obvious nuclear structure, and DNA (Deoxyribonucleic Acid) determination shows that the concentration of an acellular group is obviously reduced (P is less than 0.01); along with the increase of the dECM concentration, the porosity is reduced, and the degradation time is prolonged; the airway stent is printed in a 3D biological printing mode, no obvious cytotoxicity (P is larger than 0.05) exists in a cytotoxicity experiment, and the mechanical property part of the airway stent is similar to that of a silicone stent.

The invention discloses a dental restoration customization system combining 3D printing with digital modeling, and particularly relates to the technical field of digital modeling, the dental restoration customization system comprises an oral cavity scanning module, a data fusion module, an occlusion mechanical analysis module, a restoration optimization module, a 3D printing module and a feedback monitoring module, the digital model is generated and transmitted to the data fusion module, the data fusion module integrates oral cavity scanning, medical records and dental data to form a personalized oral cavity digital model, and the occlusion mechanical analysis module collects occlusion data, analyzes stress distribution and feeds back the stress distribution to the prosthesis optimization module. The dental restoration optimization module adjusts the design of the restoration according to the oral cavity structure and the occlusion relationship of the patient, the 3D printing module performs high-precision printing according to the optimization design to generate a personalized dental restoration, and the feedback monitoring module monitors the comfort of the restoration through a pressure sensor and feeds back a result to the restoration optimization module for real-time adjustment. And the optimal performance and comfort of the prosthesis are ensured.