644 results about "Surface roughening" patented technology

The invention discloses a workpiece three-coordinate measurement automatic error dynamic compensation method and system, and relates to the technical field of measurement error compensation. The method includes the steps that roughness data of a measurement point are obtained for the first time, and an initial information item is obtained and used for expressing the workpiece surface roughness degree within a target measurement point range; initial three-coordinate data of the target workpiece are obtained based on the result of the first measurement, initial data items are obtained, and the initial data items comprise the three-coordinate data of all the target measurement points and are used for feeding back specific specification data of the target workpiece. According to the method, the comprehensive roughness is obtained by obtaining the roughness data and the calculation result of the measurement point, the initial three-coordinate data of the workpiece is obtained based on the first measurement result, the dynamic roughness is obtained based on the dynamic data, and the compensation adjustment item and the initial data item are combined based on the positive and negative relation of the dynamic difference value. Therefore, the dynamic compensation effect on the error is realized.

The invention relates to a preparation method of a geopolymer composite material based on modified fiber, which comprises the following steps: S1, fiber pretreatment: the fiber is one of basalt fiber and polyformaldehyde fiber; s2, performing surface roughening treatment on the fibers through a polyvinyl alcohol modified impregnating compound to obtain roughened fibers; s3, the roughened fibers are subjected to surface functional modification treatment through a functional modified impregnating compound, and functional modified fibers are prepared; s4, uniformly mixing the powder and an expanding agent according to a mass ratio, and adding an alkali activator solution and the functional modified fibers to prepare a geopolymer gel material; s5, the geopolymer gel material is subjected to stirring, mold filling, steam curing forming, demolding and continuous curing, and the geopolymer composite material based on the modified fiber is obtained.According to the preparation method, the geopolymer composite material with high strength and excellent crack resistance and toughness is obtained through alkali excitation, and the problems that geopolymers are low in toughness and large in brittleness are effectively solved.

The invention discloses a wood color difference online detection method based on spectral reflectivity reconstruction, relates to the technical field of wood dyeing detection, and aims to solve the problems that in the prior art, dyed wood has textures, the surface is rough in the processing process, and color difference detection is influenced by diffuse reflection and scattering of light, so that the color difference detection accuracy is low. According to the method, in the spectral reflectivity reconstruction process, the multi-channel response value is used, meanwhile, the characteristic of the wood surface roughness is introduced, the model is trained, and the spectral reflectivity reconstruction precision is improved. And finally, according to the Lab value and in combination with a chromatic aberration formula, obtaining a chromatic aberration value between the standard wood and the wood dyed veneer image to be detected. Therefore, the influence of diffuse reflection and scattering of light on chromatic aberration detection is avoided, and the chromatic aberration detection accuracy is improved.

The invention discloses a plasma spraying preparation method for a micro-nano double-layer PTFE coating on the surface of a flexible shaft steel wire, and particularly relates to the technical field of functional materials.The plasma spraying preparation method comprises the following steps that 1, a mandrel and a steel wire are installed on twisting equipment, and an inductive coupling plasma torch tube is installed on a driving guide rail parallel to the mandrel; 2, the pickling solution serves as a raw material, the pickling solution is atomized into micro-droplets through a feeding system and an air supply system, the micro-droplets are rapidly sprayed out of the torch pipe, and pickling spray is formed; 3, the twisting equipment is started, the steel wire is twisted around the mandrel, meanwhile, the driving guide rail is started, the twisted steel wire is subjected to acid pickling treatment through acid pickling spray sprayed out of the torch pipe, and the surface of the steel wire is roughened; 4, feeding of the pickling solution is stopped, high-flow gas is introduced into the torch pipe through the gas supply system to form high-speed gas flow, and the residual pickling solution on the surface of the flexible shaft is blow-dried; and 5, starting an inductively coupled plasma spraying system, injecting the PTFE emulsion serving as a raw material into plasma flame flow, driving a guide rail to move to enable the plasma flame flow to scan the steel wire on the surface of the flexible shaft, and depositing a PTFE coating on the surface of the steel wire. According to the method disclosed by the invention, the double-layered PTFE coating is deposited on the surface of the steel wire by using an inductive coupling plasma spraying process for the first time in the flexible shaft steel wire twisting process, so that one-step rapid preparation of the anti-corrosion coating is realized.

The invention relates to the technical field of welding, in particular to a battery shell laser welding process method and device.The battery shell laser welding process method comprises the steps that a battery shell joint face is subjected to laser fine tuning treatment, and image data are obtained; obtaining a lattice structure data set of the micro lattices, adjusting the arrangement direction and the grain boundary position of the micro lattices to optimize the lattice structure data set, and obtaining an optimized grain distribution data set; microtopography data in the surface state of the joint face are recognized to obtain surface roughness data, thermal stress simulation analysis is conducted, region division processing is conducted on the thermal stress distribution situation to obtain a thermal stress gradient data set, and the thermal conductivity difference of the joint face is analyzed based on the thermal stress gradient data set to obtain a thermal transfer data set; and the heat transfer data set and the grain distribution data set are combined, optimal laser welding parameters are obtained, and a welding robot is controlled to conduct welding. Welding defects caused by uneven thermal stress in the battery shell welding process are reduced, and the consistency of welding quality is improved.

The present invention discloses a grinding control system for improving the flatness of a ceramic workpiece, and relates to the field of precision grinding technology. The system collects ceramic roughness data and grinding work data in real time through a laser sensor and an integrated sensor group, pre-processes the data to obtain a ceramic surface roughness data set and a grinding work data set, calculates a ceramic surface roughness index Bcc through the ceramic surface roughness data set, and performs a preliminary evaluation in combination with a preset ceramic surface roughness threshold A, calculates a grinding speed adjustment index Msd and a coolant flow adjustment index Lll through the grinding work data set, and calculates a comprehensive grinding control index ZHM in summary, and performs a secondary evaluation on the grinding process. By recording and analyzing grinding data, identifying significant parameters and optimizing grinding parameter combinations, the results are transmitted to a user client through a wireless network, and real-time monitoring and control instructions are provided, so that the ceramic workpiece achieves an ideal flatness quality.

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 discloses a Micro-LED light extraction structure, which relates to the field of photoelectricity and comprises first glass for bearing the light extraction structure, a photoresist curing film layer which is arranged on the first surface of the first glass structure and is imprinted and cured by a PDMS template, and a micro lens array arranged on the second surface of the first glass structure, and the surface of the micro-lens array is matched with the PDMS template to be subjected to surface roughening through a nanoimprint process. Meanwhile, the invention further discloses a preparation method of the Micro-LED light extraction structure. According to the invention, a set of PDMS template is adopted to respectively carry out roughening treatment on the glass surface and impressing transfer roughening treatment on the lens surface, so that the light emitting rate is improved, and the light extraction rate of the whole Micro-LED is effectively improved.

The invention relates to pretreatment reinforced recycled aggregate concrete and a preparation method thereof. The pretreatment reinforced recycled aggregate concrete comprises the following raw materials: 320-360 parts of cement; 20 to 40 parts of fly ash; 80 to 120 parts of mineral powder; 585 to 670 parts of machine-made sand; 1050 to 1200 parts of recycled coarse aggregate; 156 to 172 parts of water; and 11-12.3 parts of an additive. After the recycled coarse aggregate is pretreated, the performance of the concrete prepared from the recycled coarse aggregate is remarkably improved compared with that of the concrete prepared from the recycled coarse aggregate before pretreatment, and the synergistic effect of multiple pretreatment modes has an obvious improvement effect on the water absorption rate, the crushing index and the apparent density of the raw coarse aggregate; the pretreated recycled coarse aggregate provides a gain condition for internal hydration of the recycled concrete, and meanwhile, the problem that the surface of the recycled coarse aggregate is rough is solved, so that the workability of the concrete is enhanced, and the strength of the concrete is improved.

The embodiment of the invention provides a preparation method of a high-consistency patterned substrate, the patterned substrate and an LED epitaxial wafer. The method comprises the following steps: firstly, providing a substrate; at least one of physical, chemical or mechanical planarization technologies is applied to carry out atomic-scale planarization processing on the first surface of the substrate so that the roughness of the first surface reaches the first surface roughness range, and / or atomic-scale planarization processing is carried out on the second surface of the substrate so that the roughness of the second surface reaches the first surface roughness range; the roughness of the second surface reaches the second surface roughness range; forming a photoresist layer on the second surface of the substrate; and exposing the photoresist layer by using a mask so as to transfer the pattern on the mask to the second surface of the substrate. The problem that the uniformity of the etched patterned substrate is reduced due to the fact that exposure light beams are reflected and refracted on the surface of the substrate when penetrating through the substrate in the exposure process of the patterning process due to the rough surface of the substrate is solved.

The invention relates to the technical field of concrete strength detection, in particular to a concrete strength detection method and device for construction, and the method comprises the following steps: collecting surface humidity information, rebound strength, core drilling strength and concrete surface gray level images of each concrete test piece; obtaining the rebound drill core strength difference of each concrete test piece; acquiring a humidity influence strength coefficient; obtaining the average distribution density of pits of the concrete surface gray level image of each concrete test piece; obtaining a pit distribution uniformity coefficient of each concrete test piece; the surface roughness of the concrete is obtained; obtaining concrete strength influence coefficients of all the concrete test pieces; and improving a distance formula of a clustering algorithm based on the concrete strength influence coefficient and the humidity influence strength coefficient, and correcting the rebound strength of all the concrete test pieces. The detection precision of the concrete strength is improved.

The invention discloses a compression test clamping tool, system and method for a variable-thickness beveled laminated plate composite material, and relates to the technical field of aviation composite material mechanical property testing. The first long chuck and the second long chuck are respectively mounted on a variable-thickness side and an equal-thickness side of the beveled laminated plate sample, and the first long chuck mounted on the variable-thickness side is gradually thickened on a conical beveled layer and a thin section of the beveled laminated plate sample. According to the invention, the additional bending moment caused by eccentricity of a neutral shaft is effectively inhibited through the gradually-changed thickening design of the variable-thickness side long chuck in cooperation with gap control, and active inhibition of buckling instability of a beveling area is realized in combination with rigid fixation and surface roughening treatment of the short chuck; the method has the advantages that buckling instability is restrained, a failure area is accurately positioned, and samples of different configurations are adapted.

The invention discloses a welding method for enhancing the bonding strength of graphite films and metal, which belongs to the technical field of connecting piece welding and comprises the following steps of: S1, arranging and stacking flexible graphite films in parallel, performing surface treatment on a welding part at the end part of a graphite film stacking body, then putting metal solder into the upper layer and the lower layer of the end part of the graphite film stacking body, and welding the upper layer and the lower layer of the end part of the graphite film stacking body; a graphite film-solder laminated body is obtained; and S2, the graphite film-solder laminated body is put into the metal end with the inner surface roughened, and a graphite film-metal composite end part with extremely high bonding strength is obtained through vacuum hot-pressing brazing. According to the method, the characteristics of inorganic nonmetal and metal are fully combined, the influence of an interface, the vacuum degree and mechanical pressure on the welding strength is considered, and the bonding strength of the graphite film and the metal end is remarkably improved.

The utility model provides a pipe fitting surface roughening device which comprises a base, a vertical plate is arranged on the base, a rotating disc is connected to the vertical plate in a rotating mode, the rotating disc is connected with a revolution driving mechanism, and the revolution driving mechanism drives the rotating disc to rotate. A pressing transmission shaft is rotationally connected to the rotating disc, and one end of the pressing transmission shaft is connected with a pressing driving mechanism; the other end of the pressing transmission shaft is fixedly connected with the transmission box body; an output shaft is rotationally connected to the transmission box body, the pressing transmission shaft is a hollow shaft, and the second transmission shaft penetrates through the pressing transmission shaft and is rotationally matched with the pressing transmission shaft; one end of the second transmission shaft is in transmission connection with an output shaft which is connected with a wire brush; the other end of the second transmission shaft is connected with an autorotation driving mechanism; the center of the rotating disc is rotationally connected with a core rod. According to the pipe roughening device, the outer surface of the pipe can be roughened, so that the adhesiveness of glue on the surface of the pipe is improved, and the pipe can be conveniently bonded with other parts.

The invention discloses a high-filling type II anhydrite polyethylene composite packaging material and a preparation method thereof, and belongs to the technical field of plastic packaging materials. The composite material comprises modified gypsum which is coated by nano SiO2 and is synergistically modified by double coupling agents, and polyethylene serving as a base material, wherein the addition amount of the modified gypsum is 60%; a gradient temperature control twin-screw extruder is adopted for processing, during extrusion processing, the front-section temperature is 155-165 DEG C, the middle-section temperature is 185-195 DEG C, the rear-section temperature is 205-215 DEG C, and a gradient filler distribution material is formed after extrusion; the problems that under the condition of 60% high doping, II type anhydrite is difficult to disperse in a polyethylene base material, and under the condition of high doping, the material surface is rough are solved.

The invention provides a method for plating an insulating ceramic coating on the surface of a copper / diamond composite material, and relates to the technical field of composite material surface insulating treatment. The method comprises the steps that surface pretreatment is conducted, specifically, the surface of a substrate made of the high-thermal-conductivity copper / diamond composite material is pretreated, and the substrate with the clean surface is obtained; carrying out surface sand blasting treatment: carrying out ceramic particle sand blasting treatment on the substrate with the clean surface to obtain a substrate with a rough surface; and plating an insulating ceramic coating: depositing the ceramic powder subjected to ball milling treatment on a substrate with a rough surface through an aerosol nozzle by virtue of an aerosol deposition device, so as to obtain the substrate with the insulating ceramic coating. According to the method, the copper / diamond composite material with the insulating coating is prepared through surface pretreatment, surface sand blasting treatment and plating of the insulating ceramic coating, wherein the copper / diamond composite material is uniform in component distribution, uniform in performance and capable of improving thermal conductivity and electrical resistivity synergistically; the method is simple and easy to operate, low in cost, short in process, high in efficiency and beneficial to industrial large-scale production and popularization.

The invention discloses a chip-embedded TGV glass substrate and a manufacturing method thereof. The method comprises the following steps: providing a glass core plate; forming a temporary metal mask layer on the first surface of the glass core plate; performing pattern transfer and etching on the temporary metal mask layer; performing dry etching on the glass core plate in the second pattern area to form a first TGV hole; etching the glass core plate in the first pattern area and the second pattern area through a dry method to form a second TGV hole and deepen the depth of the first TGV hole; removing the temporary metal mask layer, performing metallization to form a first conductive through hole and a second conductive through hole, and manufacturing a first rewiring layer; grinding the second surface of the glass core plate until the first conductive through hole is exposed; etching the glass core plate through a dry method to form a cavity until the second conductive through hole is exposed; providing a chip, and embedding the chip into the cavity; therefore, no-damage cavity processing is realized, and the problems of surface damage, dimensional deviation, lateral erosion, microcracks or surface roughening and the like of the substrate are effectively avoided.

The invention provides a quartz crucible for continuously drawing crystalline silicon and a preparation method of the quartz crucible, and belongs to the technical field of crucible manufacturing. Comprising the following steps: S1, performing electric arc melting on quartz sand to obtain a blank quartz crucible with a smooth inner surface and a rough outer surface; s2, the blank quartz crucible is sequentially subjected to outer surface sand blasting, outer surface grinding, height cutting, first cleaning, outer surface fire machining polishing, second cleaning and drying procedures, and the inner surface roughness Rlt is obtained; the thickness is 5 microns, and the roughness of the outer surface is Ralt; the invention discloses a 5-micron quartz crucible. Therefore, the quartz crucible can reduce oxygen brought into silicon liquid in the process of drawing crystalline silicon, the oxygen content of the crystalline silicon is reduced, and the quality of the crystalline silicon is improved.

The invention relates to the technical field of building materials, and particularly discloses a method for quantitatively evaluating concrete surface characteristics, which comprises the following steps: (1) carrying out three-dimensional scanning on the concrete surface to obtain a three-dimensional dot matrix coordinate measurement space; (2) dividing the measurement space obtained in the step (1) into a plurality of subunits, namely a box with the side length of r, r being a real number, and obtaining the distribution probability of the height of the concrete surface profile in each subunit; (3) establishing an evaluation formula of concrete surface characteristics; and (4) obtaining the following analysis parameters: delta f (q, r) and delta alpha (q, r) which are used for describing the surface characteristics of the concrete. According to the method, the roughness, uniformity and complexity of the concrete surface can be accurately described, and the method can be used for guiding improvement of the bonding performance of the concrete interface in a combined component or maintenance and reinforcement scene.

The invention provides a ceramic flat sheet membrane end seal bonding surface roughening treatment device, and relates to the technical field of flat sheet ceramic membrane manufacturing, the ceramic flat sheet membrane end seal bonding surface roughening treatment device comprises a fixing plate, two grooves are formed in the outer wall of the fixing plate, connecting rods are slidably connected to the positions, corresponding to the grooves, of the outer wall of the fixing plate, and fixers are fixedly connected to the outer walls of the connecting rods; a pressure sensor is installed on the outer wall of the bottom end of the fixator, supporting plates are fixedly connected to the outer walls of the two sides of the fixing plate, adjusters are installed on the outer walls of the supporting plates, adjusting rods are fixedly connected to the outer walls of the adjusters, and a plurality of threaded holes are formed in the outer walls of the adjusting rods. According to the device, the groove structure of the continuous sinusoidal waveform structure similar to the gecko sole line is adopted, the binding force between the polymer and the plastic end seal can be improved to a great extent, the pressure sensor and other structures are additionally arranged, the machining state of the device can be detected in real time, and therefore the practicability of the device is higher.

This invention relates to a method for surface roughening of high-end copper foil for electronic circuits, comprising the following steps: sequentially performing acid washing, roughening, blackening, ashing, passivation, and coupling agent coating on raw copper foil, with water washing steps interspersed between these steps, and finally drying and winding. The method is characterized in that the roughening step uses an alkaline plating solution containing copper pyrophosphate. This invention provides an alkaline plating solution for alkaline roughening of raw copper foil, generating grains with lower roughness on the already extremely thin surface of high-end copper foil. The grain size is between 0.02 and 0.1 micrometers. After deposition on the raw foil, the surface roughness of the finished foil increases by approximately 0.2 to 0.3 micrometers, ensuring that the surface roughness of the final product meets the requirements of high-end copper foil while maintaining peel strength.

The invention discloses a method for eliminating rough stripes on the surface of a duplex stainless steel cold plate, which comprises the following steps: the interval time from the end of cutting of a duplex stainless steel casting blank to the beginning of coping is more than or equal to 48 hours, and the surface temperature of the casting blank before coping is less than or equal to 80 DEG C; the surface of the casting blank is ground for the first time through a 20 # grinding wheel, the opening degree of a screw-down valve of a hydraulic machine ranges from 50% to 70%, the current of a grinding machine ranges from 30 A to 50 A, the stepping of the grinding wheel ranges from 25 mm to 35 mm, and the moving speed of a grinding trolley ranges from 35 m / min to 45 m / min; a 36 # grinding wheel is used for grinding the surface of the casting blank for the second time and the third time, the opening degree of a screw-down valve of the hydraulic machine is 30-50%, the current of the grinding machine is 10-30 A, the stepping of the grinding wheel is 15-25 mm, and the moving speed of the grinding trolley is 25-35 m / min. According to the method, the surface of the casting blank is ground before hot continuous rolling, the surface roughness of the casting blank is reduced, after the ground casting blank is subjected to hot rolling, the thickness of iron and phosphorus on the surface of the plate is basically consistent, the iron and phosphorus can be completely removed after phosphorus removal, macroscopic chromatic aberration is eliminated on the surface of the cold-rolled plate, and therefore rough stripes on the surface of the duplex stainless steel cold plate are eliminated.

The invention relates to the technical field of image processing, and provides a pipe fitting stretching surface feature extraction method, which comprises the following steps: obtaining a surface image of a pipe fitting stretching surface, and obtaining an initial edge image of the pipe fitting stretching surface through edge detection; quantifying the surface concavity and convexity of the stretching surface of the pipe fitting based on the pixel gradient difference expression of the stretching surface of the pipe fitting; combining the spectrogram width of the initial edge image and the amplitude fluctuation condition of the high-frequency component to obtain the surface roughness influence degree of the stretching surface of the pipe fitting; the glossiness difference of all pixel points of the pipe fitting stretching surface is analyzed, and the surface flatness degree of the pipe fitting stretching surface is obtained; obtaining the surface roughness scattering degree of the stretching surface of the pipe fitting; edge continuity of edge detection is determined, and final optimization parameters of edge detection are obtained; and obtaining a final edge image, and carrying out feature extraction on the pipe fitting stretching surface based on the edge expression in the final edge image. The invention aims to solve the problem of feature loss caused by incapability of accurate extraction due to surface quality interference in a pipe fitting stretching surface feature extraction process.

The invention relates to the technical field of anti-skid preparations, in particular to an environment-friendly stain-resistant anti-skid preparation and a preparation method thereof.The calcium carbonate is modified through sodium stearate, the adhesive force between the calcium carbonate and a base material can be improved, and meanwhile the surface roughness of a material is improved; the dispersity and the stability of the coating in water can be improved, and meanwhile, the binding force of the coating and a base material is enhanced; the modified titanium dioxide, the modified calcium carbonate and the modified fly ash are added into the base liquid component, so that the surface roughness of the material can be improved, and the anti-skid performance of the material is improved; the main components of the preparation, such as the polyurethane, the waterborne epoxy resin, the modified titanium dioxide, the modified calcium carbonate and the modified fly ash, are all environment-friendly materials and are environment-friendly, so that the pollution to the environment is reduced to a certain extent.

The utility model discloses a split type mold for vacuum centrifugal casting, which comprises a lower mold body and is characterized in that the lower mold body comprises an outer mold part and an inner mold part which are arranged in a split type, and the outer mold part is movably mounted on the inner mold part; the inner die piece comprises a lower die base and an inner die installed on the lower die base. According to the utility model, the lower mold body is arranged in a split manner and is divided into the outer mold piece and the inner mold piece, so that when a rotor iron core and the inner mold body are demolded, multi-time demolding and single-time and single-side demolding can be carried out, the thrust during demolding is reduced, and the demolding efficiency is improved. And meanwhile, galling on the surface of the rotor iron core due to the fact that inner and outer demolding is completed at a time by strong force is avoided.

The invention discloses an inorganic silicon crystal heat insulation plate for a smoke prevention and exhaust air duct, which is prepared by the following steps: raw material treatment, mixing and stirring, forming, drying and curing, high-temperature sintering and surface treatment and inspection: after sintering is completed, the surface of the plate is ground to be flat, and rough and uneven parts on the surface are removed; and finally, performing quality inspection on heat conductivity coefficient, compressive strength and fire resistance. According to the invention, by optimizing the ratio of the silicon crystal powder to the aluminum oxide, the heat conduction loss can be effectively reduced, the structural integrity of the plate can be ensured when the plate bears external pressure, the plate is suitable for high-strength and long-term use industrial application environment, the service life of the product is prolonged, and the application value of the product in the field of fireproof safety is further improved.

A magnetic roller shell surface roughening processing technology relates to the technical field of magnetic roller metal surface processing for printers and the like, a magnetic polishing machine is adopted, a polishing groove is formed in the magnetic polishing machine, partitions are arranged in the polishing groove to divide the polishing groove into N cells, the cells are used for placing collision materials and a magnetic roller shell, medium water is placed in the polishing groove, and the magnetic roller shell is placed in the medium water. The collision material is driven by the magnetic field to collide the surface of the magnetic roller shell in medium water to form a pit, and the magnetic roller shell is collided to rotate, so that the whole outer surface of the magnetic roller shell can be collided; and the pits which are impacted by the collision material for multiple times are overlapped in a staggered manner to realize the surface roughening treatment of the magnetic roller shell. Therefore, the overall abrasive resistance of the magnetic roller shell is improved, the conductivity is improved, the negative direct current bias overload phenomenon is reduced, the drum core is better protected, and the carbon powder consumption is reduced.

The invention belongs to the technical field of barreling finishing machining, particularly relates to a barreling finishing machining method combined with a digital twinborn simulation technology, and solves the problems that an existing barreling finishing machining technology is difficult in real-time state monitoring, debugging of technological parameters needs to consume a large amount of time, existing analog simulation can only obtain the surface stress condition of a machined workpiece, and the machining precision is poor. The method comprises the following steps: establishing a digital twinborn model of a machined workpiece and a digital twinborn model of barreling finishing machining equipment, and carrying out simulation analysis on the barreling finishing machining process of the machined workpiece by utilizing an EDEM discrete element method and an ANSYS finite element method. Constructing a surface roughness cloud picture of the processed workpiece according to the coordinates of the surface roughness points obtained by simulation, and updating a digital twin model of the processed workpiece in real time by utilizing the surface roughness cloud picture; and the Bayesian algorithm is utilized to continuously reduce errors between analog simulation data and actual experimental data, and the surface quality of the workpiece in the machining process is predicted in real time.

The CVD diamond optical grinding process comprises the following steps that S1, surface cleaning is conducted on a selected diamond workpiece to be ground, and grinding discs with different grinding coefficients are selected, S2, the grinding stage is divided into the rough grinding stage and the fine grinding stage, the grinding disc with the finer surface roughness degree is replaced after rough grinding, and the grinding disc with the finer surface roughness degree is replaced after fine grinding. S3, according to the thickness of the diamond, the heights of a plurality of grinding heads are adjusted to adapt to the diamonds with different thicknesses, a first grinding motor and a second grinding motor are started for grinding, and in the grinding process, the limiting assemblies and the grinding assemblies are matched for use, so that the grinding efficiency is improved; and meanwhile, due to the fact that the autorotation direction and the circular motion direction of the grinding head and the second grinding planetary gear are opposite, regular grinding traces generated by traditional single-direction grinding are effectively broken through, and grinding is more uniform.

The invention relates to the field of data processing, in particular to a method and device for determining the adding amount of a refining agent in a furnace, equipment and a medium. The method comprises the following steps: collecting various data (such as the addition amount of a refining agent, basic data, stirring strength and temperature in a furnace) and environment humidity in a refining process, and calculating the content of the refining agent on the basis of the basic data (granularity, surface roughness and category) of the refining agent, the stirring strength and the temperature in the furnace; the natural adhesion condition, namely the first adhesion rate, of the refining agent in the refining process can be evaluated. Furthermore, the influence of environment humidity on the adhesion condition of the refining agent is considered, the second adhesion rate is determined according to the influence, the practicability and accuracy of the method are enhanced, the adjustment amount of the refining agent is calculated by integrating the first adhesion rate and the second adhesion rate, the actual addition amount of the refining agent is determined according to the adjustment amount, and the adjustment amount is calculated. Therefore, the accuracy and rationality of the adding amount of the refining agent are ensured, and the refining effect and the product quality are improved.