10results about How to "Realize the craft" patented technology

This invention relates to an intelligent screen printing device, a screen printing system, a control method, and a computer-readable storage medium, belonging to the field of thin-film battery manufacturing technology. The intelligent screen printing device is used for perovskite thin film screen printing and includes: a screen frame for supporting the screen; a tension sensing module disposed on the screen frame for real-time monitoring of the tension distribution in various areas of the screen; a temperature regulation module disposed on the screen frame for heating or cooling the screen; an electrostatic control module disposed above the intelligent screen printing device for generating an ion flow to eliminate static electricity accumulation during the printing process; and a control unit electrically connected to the tension sensing module, the temperature regulation module, and the electrostatic control module, respectively, for receiving monitoring signals and outputting control commands to achieve coordinated closed-loop regulation of tension, temperature, and electrostatics.

This invention discloses a method for printing two-dimensional structures of thermosetting materials with controllable surface roughness, comprising: controlling the rheological properties of the extrusion behavior of a selected thermosetting material; calculating and determining the relationship between the deposition morphology of the thermosetting material and printing parameters, and plotting an H-V phase diagram to determine the critical printing range for achieving uniform deposition; establishing a single-fiber deposition morphology evolution model and a multi-fiber fusion geometric evolution model to provide a correlation between the degree of fusion of adjacent deposited fibers and the surface micro-roughness, thereby obtaining a preset surface microstructure morphology; and, according to the required surface roughness, solidifying and locking the interface through thermal curing at different fusion stages to obtain a continuously adjustable and structurally stable two-dimensional film of thermosetting material. This invention can realize the printing of two-dimensional structures of any thermosetting material system on any spread substrate, and can continuously and programmably adjust the surface roughness.

This invention discloses a method for monitoring the welding process quality of a volute housing seat ring, comprising deploying a digital dial indicator and configuring a wireless data acquisition module to establish a deformation data acquisition and transmission link; acquiring deformation data in parallel through multiple channels of the link and performing preprocessing; constructing a deformation monitoring model based on the preprocessed data, calculating the risk rate of a single measuring point, and then calculating the joint risk rate of multiple measuring points; and synchronizing the data to multiple terminals and performing interactive adaptation. This invention replaces manual reading with a high-precision digital dial indicator and wireless automatic acquisition, achieving objective and accurate acquisition and real-time early warning of deformation data; by constructing a deformation monitoring model and a quantitative model of the joint risk rate of multiple measuring points, it accurately characterizes the deformation correlation of multiple measuring points, realizing quantitative prediction of the overall structural deformation risk and proactive process guidance; and through multi-terminal data synchronization, it achieves traceability of the entire welding cycle data of the volute housing seat ring and multi-scenario adapted closed-loop monitoring, while being compatible with existing processes, thus improving the level of quality control.

The invention relates to the technical field of large-scale structure space pose online compensation, and discloses an adjustment positioning system and method based on laser tracking, and the method comprises the steps: laying a plurality of laser tracking targets, and building an observation model with the pose and deformation separated; solving to obtain a rigid body posture estimation value and a deformation state estimation value; an executor instruction is updated, and a posture adjustment executor is driven to carry out posture adjustment; the die length of the deformation state estimation value is detected, and an unloading force balance fine adjustment process is triggered; judging whether the adjustment reaches the target precision or not; a laser tracking target is arranged and an observation model is introduced, measurement points collected by a laser tracker are modeled as superposition of rigid body poses and finite-dimensional deformation, rigid body rotation, rigid body translation and deformation modal coefficients are estimated, the poses and deformation can be separated from each other in the aspect of mechanism, and the measurement precision is improved. And the positioning precision and the installation and adjustment reliability of the high-precision optical installation and adjustment station are improved.

This invention discloses an integrated preform weaving / needling / stitching mandrel and its matching sliding mechanism. The mandrel includes a rear stitching area, needle-punched reinforcing ribs, a middle needle-punched area, and a front stitching area. The matching sliding mechanism includes the mandrel, a rotating device, a lifting device, and a translation device. Compared to existing technologies, this invention integrates multiple processes such as weaving, needle-punching, and stitching, while simultaneously achieving stable and reliable forming of multi-process composite conical preforms.

The application belongs to the technical field of bioengineering and particularly relates to a method for improving the yield of dsRNA. The method is suitable for an E. coli expression system carrying a dsRNA expression vector. By optimizing multiple components in the fermentation medium, such as carbon and nitrogen sources, phosphate, metal ion inorganic salt, vitamins and effectors, and combining the regulation of fermentation parameters (including dissolved oxygen, feeding strategy and induction timing), the yield of dsRNA is significantly improved to 728 mg / L. The dsRNA fermentation process has excellent scalability and industrial application potential, and provides a reliable solution for the large-scale and low-cost production of dsRNA.

The present application relates to a kind of digital mockup construction system for three-dimensional woven preform equipment, the system includes the construction method of five different models and the construction method of four kinds of associations between models, the construction of five different models is physical modeling, data modeling, action modeling, process modeling, simulation, four kinds of associations between models are respectively associated with data, the association of motion model and physical three-dimensional model and data model, the association of process model and motion model and data model, the association of simulation result and data model.This method constructs virtual production process twin model, and carries out two-way real-time interaction with physical production process, utilizes the dynamic update of simulation model driven by multi-source data, standardizes the construction process of digital mockup, realizes real-time monitoring to production process, improves the utilization of data, realizes closed-loop feedback and process optimization.

The invention relates to a tire joint quality parameter prediction and control method based on machine learning. The method comprises the following steps: acquiring a forming machine production parameter and a tire joint quality parameter; the forming machine production parameters and the tire joint quality parameters are preprocessed, and a data set is constructed; the data set is input into an EI-MOBO optimized LSTM-Transform model, model training and model optimization are carried out, and a prediction model is obtained; using the prediction model to predict quality parameters of the tire joint; and inputting the predicted quality parameters into the classification model to carry out quality qualification judgment. According to the method, the prediction precision of the quality of the tire joint can be remarkably improved, online optimization and adjustment of production parameters are realized, the product yield is effectively improved, and the production cost is reduced.

The invention discloses a preparation process of vegetable insulating oil with high oxidation stability, and belongs to the technical field of vegetable oil refining. The core of the process is as follows: firstly, taking palladium and nickel salts in a specific molar ratio as precursors, and combining with polyethylene glycol to prepare a palladium-nickel bimetallic catalyst loaded on alkaline carclazyte; then, vegetable oil is mixed with the catalyst and activated carbon, and hydrogen is introduced under mild vacuum and heating conditions for selective hydrogenation refining; and finally, adding an antioxidant and a pour point depressant into the refined oil to obtain a final product. Through the synergistic effect of the catalyst, extremely unstable linolenic acid in hydrogenated oil can be efficiently and selectively hydrogenated, by means of an integrated process and blending, the oxidation stability is remarkably improved, meanwhile, the excellent low-temperature fluidity of the product is kept, the refining yield is high, the process is simple and convenient, and the method is suitable for large-scale production of the environment-friendly high-performance vegetable insulating oil.

The invention provides a wafer regeneration chemical mechanical polishing system and process, and belongs to the technical field of semiconductor manufacturing, and the wafer regeneration chemical mechanical polishing system comprises a buffer unit, a conveying unit, a polishing unit, a cleaning unit and a control unit, the conveying unit, the polishing unit and the cleaning unit are located on the same side of the buffering unit and are sequentially arranged along the first linear path, and the conveying unit is located between the polishing unit and the cleaning unit; the buffer unit comprises a plurality of wafer cassettes, an optical detection station located on one side of the plurality of wafer cassettes, and a transmission mechanism located on one side, close to the conveying unit, of the wafer cassettes; the conveying unit comprises a transfer disc moving along the second linear path; the polishing unit comprises a first polishing assembly and a second polishing assembly which are arranged along the second linear path. Each polishing assembly comprises at least two polishing discs and polishing heads corresponding to the polishing discs.