146 results about "Surface integrity" patented technology

The invention relates to the technical field of three-step fine polishing methods for 19nm wafer regeneration, discloses a fine polishing method named'three-step fine polishing method for 19nm wafer regeneration ', and aims to solve the technical contradiction between macroscopic planarization and microscopic surface integrity of regenerated wafers in advanced process nodes. The method is characterized by comprising a first fine polishing step, a second fine polishing step and a third fine polishing step, and in each step, gradient decreasing polishing pad hardness, abrasive particle size and concentration, polishing pressure and pH value are adopted; and an on-line process monitoring and self-adaptive feedback control subsystem is used for assistance. By adopting the technical scheme, defects can be efficiently removed, damage can be repaired step by step, the wafer surface with ultralow defect density and excellent chemical stability is obtained, the requirements of the manufacturing process of 19nm and more advanced semiconductors are met, and the yield is increased.

The invention relates to a top-cover-free rectangular concrete body inner mold demolding device and demolding method.According to the top-cover-free rectangular concrete body inner mold demolding device, through innovative structural design, a rectangular inner mold is divided into two angle molds and two L-shaped molds, and a track extending by a specific angle (45 degrees in the horizontal direction) and an intermittent driving device are matched. During demolding, the intermittent driving device can accurately drive the two angle molds to synchronously slide inwards firstly, the contact area and friction force between the inner mold and a concrete body are effectively reduced, then the two L-shaped molds are driven to synchronously slide inwards, and the whole demolding process is completed. Compared with a traditional demolding mode, the demolding efficiency is greatly improved, and the demolding time is shortened; by the adoption of the gradual demolding mode, direct beating and violent disassembly of the mold and the concrete body are avoided, the risk that the inner mold and the concrete body are damaged is effectively reduced, the surface integrity and the internal structural strength of the concrete body are guaranteed, the service life of the inner mold is prolonged, and the production cost is reduced.

The utility model provides a nanoscale precision machining surface integrity detection device for precision machining, which belongs to the technical field of detection devices and comprises a machine body, a platform is arranged in the machine body, a rotating mechanism is arranged in the platform, and the rotating mechanism comprises a mounting seat, a driving motor, a speed reducer, a rotating rod and a turntable. According to the utility model, through the arrangement of the rotating mechanism, the placing disc can rotate orderly, the workpiece on the placing disc can be rapidly detected by matching with the use of an image detector, and through the arrangement of the clamping mechanism, the workpiece is kept stable in the detection process and is prevented from moving or rotating in the detection process, so that the detection efficiency is improved. The safety of the whole detection process can be ensured, the image detector can be driven to sweep or move on the to-be-detected surface of the workpiece through the arrangement of the first moving mechanism and the second moving mechanism, and it is ensured that the image detector can cover all the to-be-detected surfaces of the workpiece.

The application relates to the technical field of steel metallurgy, and discloses a rolling process for improving the surface quality of C70S6 non-adjustable steel, which comprises the following steps: S1, a heating process; S2, a descaling process; S3, a rolling process; S4, a cooling process; and S5, a finishing process.The process can significantly reduce thermal stress cracks, the temperature uniformity of the casting blank from the surface to the core is improved through a three-stage heating mode and precise heat preservation control, the thermal stress is effectively released, the anti-collision and spacing control during charging are combined, local overheating or overcooling is avoided, the occurrence rate of surface micro-cracks and corner transverse cracks is reduced by more than 80%, and the surface integrity of the casting blank is greatly improved.The process can completely solve the iron oxide scale defects, the double high-pressure water descaling process after the furnace and before the medium rolling is adopted, the optimized combination of the descaling pressure and the water flow speed ensures that the residual area of the iron oxide scale is less than or equal to 3%, the iron oxide scale pressing-in defects are completely eliminated, and the surface cleanliness of the steel is significantly improved, thereby providing a high-quality base for subsequent processing.

A preparation method of a Ti-5553 titanium alloy plate with a grade fine grain double-state structure adopts cross-phase transformation point free forging to prepare a Ti-5553 titanium alloy plate blank, in the cross-phase transformation point free forging, the initial forging temperature of a forging stock is in a temperature zone of 45-95 DEG C above the phase transformation point, the lower limit of the final forging temperature is 650 DEG C, short-process and low-cost preparation of the plate blank is achieved, and the production cost is reduced. And the surface integrity and the deformation uniformity in the thickness direction of the plate blank in the hot rolling process in the temperature zone below the subsequent phase transformation point are guaranteed through the fine grain structure. According to the method, the strain range of a single pass is 0.2-0.25, the strain value of the single pass is larger than or equal to the critical formation strain of DDW of the Ti-5553 alloy, and therefore the number of DDW in the alloy can be increased through hot rolling in the temperature zone below the phase transformation point of each pass. The DDW in the plate is sharply increased after multi-pass hot rolling in the temperature zone below the phase transformation point, and grain refinement is sufficient. The microscopic grain size of the Ti-5553 hot-rolled plate prepared by the method is higher than 7 grade.

The application provides a processing parameter optimization method based on a GRA-CRITIC-TOPSIS method and processing surface integrity multi-indexes, and belongs to the technical field of high-efficiency precision processing. In view of the problems that the influence of processing parameters on workpiece surface integrity multi-indexes is complex in difficult-to-machine material milling processing, and the expected results of various indexes are contradictory, the grey correlation analysis method (GRA), the CRITIC objective weighting method and the ideal point method (TOPSIS) are organically combined, and a more scientific and comprehensive multi-objective processing parameter comprehensive optimization model is constructed. The method introduces the CRITIC objective weighting, the weight calculation is more reasonable, the index information overlap can be effectively avoided, and the optimization result has higher engineering reliability.

The application relates to a bending and overturning mechanism, which comprises a fixed die, a movable die capable of moving towards the fixed die, a punch arranged on the movable die, a shaping mechanism arranged on the side close to the movable die of the fixed die, a fixed seat, two symmetrically arranged sliding blocks in a curved sliding groove and corresponding elastic members, the sliding block has a material bearing plane, the material bearing planes of the two sliding blocks are coplanar to form a placing plane in a non-working state, and the punch pushes the metal plate to bend and drives the sliding blocks to move along the curved groove in a working state. The bending and overturning mechanism synchronously deforms the sliding blocks with the metal plate due to the above-mentioned structural design, effectively solves the plate scratch problem in traditional bending, and improves the forming quality and surface integrity.

This invention discloses a precision grinding process for machining the shaft of a swimming pool pump motor, relating to the field of shaft precision grinding technology. The process includes: Step 1: Establishing an incident window using a coherent jet nozzle, allowing the jet to penetrate the air gap into the grinding zone, first wetting and then introducing the load, and recording the incident window, jet posture, and dressing rhythm as working condition metadata; Step 2: After precision grinding, according to the material type, magnetic noise is used for ferromagnetic steel and X-ray diffraction is used for austenitic steel to obtain thermal damage and residual stress, and combining this with cleanliness to generate a surface integrity label and bind it to the working condition metadata; Step 3: Performing deionized ultrasonic cleaning and rinsing according to the label to remove chloride salts and free iron, rebuilding the passivation film according to specifications using chemical passivation, controlled drying, and clean sealing; Step 4: Under the premise of qualified chemical condition, performing isotropic ultra-finishing and low-plasticity rolling on the sealed working zone to form surface compressive stress and maintain geometric tolerances, quickly indicating inspection and writing back the label.

The invention relates to rotary cutting disc cutting equipment and technology for bathroom towel rack production, and belongs to the technical field of cutting equipment.The equipment comprises a machine base, a guide rail frame, a clamping assembly I, a clamping assembly II, a supporting arm, a cutting mechanism, an electric push rod and a supporting assembly; according to the pipe cutting device, force is evenly applied through alternate clamping and hydraulic linkage, the pipe is prevented from being deformed and scratched, a V-shaped positioning groove of the supporting assembly is matched with a clamping plate, the clamping assembly I is used for pushing the pipe to move in the clamping assembly II, and the supporting assembly is arranged below the cutting mechanism and used for clamping the pipe at the cutting end and driving the pipe to incline when the pipe is cut off. During cutting, the pipe is guided to incline, a blade is prevented from being clamped and blocked, meanwhile, an internal cleaning assembly is linked with feeding, cutting slag is synchronously discharged, the inner wall of the pipe is supported, the equipment is high in cutting precision, the surface integrity of the pipe is good, and the service life of a cutter is long.

The application provides an adjustable wire cutting machining device and a data processing method thereof, and relates to the field of wire cutting machining.The adjustable wire cutting machining device comprises a base, a machining table is fixed at the top of the front end of the base, a protection frame is arranged at the outer circle of the machining table and is fixed at the top of the base, and a power control cabinet is arranged at the right side of the protection frame.Through multi-stage data collection of primary, secondary, tertiary and standby collection modules and in combination with data processing of a 3D modeling end, omnibearing monitoring of the machining process is realized, the "difference degree" of each stage is calculated by comparing the actually measured data with the theoretical model data, and iterative and forward-looking process parameter compensation is carried out by using a correction module.This closed-loop self-adaptive control can dynamically correct the cutting path, energy input and cooling condition, effectively compensate the size deviation and thermal deformation generated in the machining process, and thus significantly improve the size precision, geometric shape precision and surface integrity of the final workpiece.

The invention provides a grinding device for building house steel part machining, and relates to the field of grinding devices.The grinding device comprises a working support, and a limiting guide plate is vertically and fixedly connected to the inner side of the upper end of the working support; the tensioning auxiliary shaft is arranged at the upper end of the limiting guide plate; the two positioning fulcrum shafts are respectively arranged on the left and right sides of the lower end of the limiting guide plate; the driving auxiliary shaft is vertically and rotatably arranged on the outer side of the tensioning auxiliary shaft; the tensioning auxiliary mechanism is arranged between the two positioning fulcrum shafts and the tensioning auxiliary shaft; the movable support is arranged on the right side of the rear end face of the limiting guide plate in a left-right sliding mode and rotationally connected with the positioning fulcrum shaft at the right end. The detection auxiliary mechanism is arranged among the movable bracket, the limiting guide plate and the grinding wheel; the production safety during grinding of the reinforcing steel bars and the grinding precision of the reinforcing steel bars are improved, and the surface integrity of the reinforcing steel bars is guaranteed; the problem that safety accidents are easily caused due to the fact that an operator does not replace the grinding wheel in time but continues to use the grinding wheel due to weak maintenance consciousness is solved.

The invention belongs to the technical field of surface treatment after combined machining of parts, and relates to a method and related equipment for laser strengthening repair of easily-damaged parts of a gas compressor blade, a laser shock strengthening technology is adopted, the strength of the easily-damaged parts of a blade tip of the blade is enhanced, and the residual tensile stress of the blade is changed into residual compressive stress on the premise that the roughness is not changed. The invention provides a method for improving the surface integrity of the blade in order to ensure that the blade subjected to laser pulse shock peening treatment does not influence the flow field distribution of the working environment of the blade and under the condition that the surface roughness of the blade is not changed, the stress resistance is enhanced, the surface integrity of a part is improved, and the blade tip corner falling fault is reduced.

The present application relates to the intermittent distribution technical field, specifically, it is a kind of preparation method of diamond wire of intermittent distribution abrasive.The method steps include: the pretreatment of high carbon steel diamond wire original bus, and screening qualified diamond wire bus.The present application establishes nickel layer thickness design model, introduces high-speed dynamic load correction coefficient to calculate the final nickel plating layer thickness, then according to the dried diamond wire bus, prepares insulating coating area on the surface of nickel layer, constructs flow channel to destroy air curtain and discharge silicon scraps, establishes dynamic displacement response model of spray head, sprays insulating material on the surface of the dried diamond wire bus in non-insulating coating area, forms exposed and insulating alternating structure, through the layout of insulating coating area and intermittent precision spraying, directional flow gap structure is formed, cutting fluid is quickly infiltrated into cutting interface, silicon scraps are smoothly discharged under the centrifugal action, cutting resistance and interface thermal stress are effectively reduced, and photovoltaic silicon wafer cutting surface integrity is improved.

The application discloses an ultrasonic wave and micro-bubble coordinated electrochemical polishing device and polishing method. The polishing device comprises an electrochemical polishing cabin; a workbench for placing a workpiece and a clamp for fixing the workpiece on the workbench are arranged in the electrochemical polishing cabin; the electrochemical polishing cabin is provided with an electrolyte circulating loop, the outlet of the electrolyte circulating loop is communicated with the inlet through the circulating loop, a micro-bubble generating device and a supply pump are arranged on the electrolyte circulating loop; the polishing device further comprises a pressure booster for pressurizing the electrochemical polishing cabin, a bubble monitoring device for monitoring the micro-bubble concentration in the electrolyte and an ultrasonic wave generating device; the ultrasonic wave probe of the ultrasonic wave generating device and the workpiece are connected with a power supply. The polishing method can simultaneously consider high polishing efficiency, high consistency and excellent surface integrity of the workpiece.

The invention discloses a subsurface contact fatigue damage calculation method considering surface integrity characteristic parameters, relates to the technical field of mechanical part fatigue analysis in engineering, and solves the problem that existing mainstream fatigue analysis software lacks a subsurface contact fatigue analysis module. The method comprises the steps of finite element model input and subsurface layer adaptive grid generation, surface integrity characteristic parameter gradient curve characterization, surface integrity characteristic parameter coupling effect model establishment, and subsurface fatigue damage and danger depth prediction. The core of the method is to generate a sub-surface layer adaptive grid, characterize a gradient curve of surface integrity characteristic parameters changing along the depth, and establish a coupling effect model of each characteristic parameter to sub-surface contact fatigue damage, thereby realizing damage prediction and dangerous area positioning functions.

The invention relates to the technical field of stamping equipment, in particular to stamping equipment and method for solving stamping dezincification of a galvanized sheet, the stamping equipment comprises the stamping equipment fixed on a machine table, and the stamping equipment comprises a guide column, a stamping oil cylinder, a buffer assembly, a stamping forming assembly and an auxiliary demolding assembly; a piston rod of the punching oil cylinder is downwards fixed with a mounting plate which is in sliding fit with the guide columns; the punch forming assembly comprises an upper die base and a lower die base, the upper die base is connected with the mounting plate through buffer columns, an upper die is fixed to the bottom face of the upper die base, and a die cavity of the lower die base is internally provided with a demolding hole; the buffer assembly comprises a buffer plate in sliding fit with the guide columns, and the buffer plate is located between the mounting plate and the lower die base. The auxiliary demolding assembly comprises a push-out rod which moves synchronously with the buffer plate, and the top end of the push-out rod corresponds to the demolding hole. When the stamping equipment stamps a galvanized sheet, a zinc layer is uniformly stressed, so that the dezincification phenomenon is reduced, the surface integrity and corrosion resistance of a workpiece are improved, and meanwhile, the service life of a die is prolonged.

The application relates to the technical field of furniture processing, in particular to a furniture frame bending device and method, which comprises a workbench, a bending device and an extrusion plate are arranged on the workbench, an auxiliary wheel is arranged on the top of the workbench, an auxiliary moving mechanism and a displacement compensation mechanism are further arranged on the workbench, the auxiliary moving mechanism is used for full-length limiting constraint of the furniture frame, and the displacement compensation mechanism is used for offsetting material displacement deviation in the bending process. The furniture frame bending device and method, the folding wing plate of the auxiliary moving mechanism is matched with the rotating wheel, the full-length limiting and uniform compression of the furniture frame are realized, the spring one is matched with the frames with different thicknesses and materials in the elastic action, the displacement caused by single constraint is avoided, the rotating wheel reduces the friction between the frame and the device, effectively prevents the horizontal deviation and surface scratches during the bending, and improves the surface integrity and the reference consistency of the frame processing.

The invention discloses a welding assisting device for an assembly type prefabricated steel structure, and particularly relates to the technical field of welding, the welding assisting device comprises a machine table, clamping plates for clamping a steel beam are fixedly installed at the upper end of the machine table in a rectangular distribution mode, and a welding assisting device attached to the inner wall of the steel beam is arranged in the middle of an inner cavity of a shell; an electric capstan and plasma welding equipment are arranged in the control cabinet, and traction cables distributed in a rectangular shape are arranged on the front side and the rear side of an inner cavity of the shell correspondingly. Precise internal and external clamping of the wing plate is achieved through cooperation of the wing plate positioning structure and the wing plate clamping structure, welding displacement is prevented, the relative position of the wing plate and the main plate is precisely calibrated through cooperation of the positioning driving structure and the cross beam positioning structure, the position precision is guaranteed, and all core structures work cooperatively to improve the welding quality and reduce errors; and meanwhile, the device adapts to H-shaped steel beams of different specifications, the universality of the device is greatly improved, the workpiece surface integrity is effectively protected, and whole-course stable and efficient welding auxiliary operation is achieved.

The invention discloses a red and green dual-wavelength laser alternate shock peening method, and belongs to the field of laser shock peening. The method comprises the following steps: S1, taking a (2d-eta d) * (2d-eta d) square region as a minimum unit, and dividing a strengthening region into n strengthening units; wherein d represents the diameter of the light spot, and eta represents the overlap rate; s2, a white light interferometer and an X-ray diffractometer are adopted to repeatedly carry out roughness and residual compressive stress detection on the strengthened unit area, and an impact scheme is selected based on a detection result; and S3, when the roughness and the residual compressive stress of the current strengthening unit reach expected threshold values, the impact device is positioned to the next strengthening unit, the impact process in the S2 is repeated until the area, needing to be strengthened, of the whole workpiece is completed, and the laser is turned off. The technical problem that the surface integrity and the residual stress regulation and control are difficult to consider at the same time by single wavelength is solved.

The invention relates to the technical field of water cup manufacturing, in particular to a double-color injection molding process method and system for a sports water cup. Comprising the following steps: step 1, primary injection molding: injecting first-color plastic into a first mold cavity, and cooling to crystallization temperature to obtain the sports water cup liner; step 2, primary detection: taking out the inner container of the sports water cup, detecting internal and external temperatures, hardness and surface integrity of the inner container of the sports water cup, and then placing qualified products and defective products in a classified manner; the absolute quality of finished products is guaranteed, defective product defect items and defect degrees can be marked carefully and accurately, available parameters are provided for follow-up rework and follow-up process improvement, the quality of existing finished sports cups is guaranteed, follow-up treatment is facilitated due to accurate classification of unqualified products, and the production efficiency is improved. The waste of raw materials is reduced, and meanwhile, the auxiliary effect on the process improvement is achieved.

The application relates to the technical field of aluminum plate processing, and discloses a leveling device for aluminum plate processing, which comprises a bottom plate, a supporting plate fixedly connected to the top of the bottom plate, a motor installed on one side of the supporting plate, a rotating disc fixedly connected to the output end of the motor, a fixing shaft fixedly connected to one side of the rotating disc, a positioning shaft fixedly connected to one side of the supporting plate, a rotating rod rotatably connected to the outside of the positioning shaft, a guide groove formed in the inside of the rotating rod, a sliding groove formed in the inside of the rotating rod, a limiting assembly arranged on one side of the fixing shaft, a sliding shaft slidably connected to the inside of the rotating rod, and a guide frame fixedly connected to one side of the supporting plate. In the application, the aluminum plate can be effectively leveled, the processing quality is significantly improved, in the leveling and buffering assembly, the buffering spring can automatically adjust the leveling intensity, the buffering pad avoids the surface damage of the aluminum plate, ensures the uniformity of leveling, effectively improves the leveling degree and surface integrity of the aluminum plate, and guarantees the processing quality.

The invention relates to the technical field of silicon wafer processing, in particular to a method for preparing a polished wafer without corrosion pits, which comprises the following steps of slicing, chamfering, wafer grinding, chemical polishing, normal-pressure chemical vapor deposition, end surface treatment, edge polishing, single-side polishing and final cleaning. Most surface defects are removed through multiple times of rough polishing, the surface is further refined through medium polishing, and extremely high surface smoothness and flatness are achieved through fine polishing; and the medium and fine polishing time is prolonged, so that all fine defects can be treated, and corrosion pits on the product are reduced. The cerium dioxide and the benzotriazole are added into the stock solution, due to the fact that the cerium dioxide has good hardness and abrasion resistance and can remove unevenness on the surface of a material, and the benzotriazole can form a protective film to cover the metal surface, tiny scratches or defects in the polishing process can be reduced, and therefore better surface integrity is obtained; and therefore, the polishing consistency and efficiency are improved.

The application relates to a high-temperature high-frequency fretting fatigue life prediction method of surface integrity evolution, and belongs to the field of fretting fatigue life prediction methods. A fretting contact simulation model of a fretting fatigue sample with a real surface topography is established, high-temperature mechanical property parameters and surface residual stress stable values of the fretting fatigue sample are introduced, surface topography evolution in the fretting contact simulation process is realized by combining a surface hardness evolution law, a wear rate evolution model and a self-adaptive grid technology, a high-frequency vibration influence factor is introduced to correct a damage parameter model, and the fretting fatigue life corresponding to the damage parameter and the fretting fatigue damage at the current iteration step are calculated. The damage threshold is used as a criterion for iteration termination, surface topography evolution is used as a damage transmission medium to perform step-by-step iteration, and the total fretting fatigue life is obtained. The application can effectively improve the accuracy and engineering applicability of the fretting fatigue life prediction, and has good popularization and application value.

The invention provides a rapid measurement method and application for a residual stress field and a hardness field of an anti-fatigue surface metamorphic layer, and relates to the technical field of metal part performance strengthening characterization, and the method comprises the following steps: S1, constructing a first model which is a segmented cosine function model of residual stress constructed according to the relationship between the residual stress and the layer depth after mixed jet strengthening; s2, a second model is constructed, and the second model is a cosine function model of hardness constructed according to the relation between the hardness and the layer depth after mixed jet strengthening; s3, performing function fitting on the first model and the second model to obtain a third model and a fourth model, wherein the third model and the fourth model are distribution function models of a residual stress field and a hardness field; s4, obtaining key characterization parameters according to the third model and the fourth model; and S5, correcting and optimizing the third model and the fourth model. The method has the advantages of being high in measurement speed, small in data acquisition amount, high in precision and the like, and is suitable for rapidly evaluating the surface integrity of the key part after mixed jet strengthening.

The application provides a cutting method for disc surface integrity test samples, first determines cutting principles under different structure characteristics and specific processing methods, then determines the cutting position and direction of specific structure characteristics according to the cutting principles, finally determines the cutting method, and labels the cutting sample according to a unified naming rule. The position which has a key influence on the product use performance in the manufacturing process is selected and cut through the method, so that the surface integrity detection is carried out targetedly, the application can be applied to the cutting of various disc surface integrity test samples, has strong universality and practicality, and has huge economic effect and social benefit.

The invention discloses a profiling vibration polishing method and device for an aero-engine tenon connection structure, and belongs to the technical field of precision machining. The device comprises a driving and vibrating system, a profiling polishing execution system, a precise force control system and a polishing solution circulating system. The core of the method is that a profiling polishing tool matched with the tenon structure profile in a negative shape is adopted, and a flexible polishing pad is attached to the surface; constant pressure is applied to the tool through a precise force control system; meanwhile, the driving system drives the tool to perform high-frequency micro-amplitude linear reciprocating vibration; under the participation of free abrasive particles in the polishing solution, uniform, low-damage and high-efficiency polishing of the tenon tooth / mortise complex curved surface is realized. The problems of thermal damage, large residual stress, limited surface quality and the like caused by a traditional grinding / broaching process are effectively solved, the surface integrity and fatigue performance of the tenon structure can be remarkably improved, the process flexibility is good, and the method is suitable for nickel-based high-temperature alloy and other materials difficult to machine.

The application discloses an automatic welding production line, and relates to the technical field of packaging material welding, which comprises a supporting machine, a welding device and a conveying assembly, a moving assembly is arranged on the top of the supporting machine, and a supporting assembly is arranged on the outer wall of the supporting machine. Through the arrangement of the conveying assembly and the overturning assembly, the transmission and overturning of the fully welded metal paint bucket are realized. The fully welded metal paint bucket is conveyed to the subsequent process through the conveying assembly. During the conveying process, the metal paint bucket is automatically overturned left and right under the overturning assembly. In this way, the process circulation time of a single workpiece is greatly shortened, which is especially suitable for batch production scenes and significantly improves the overall production capacity of the production line. Moreover, the overturning action is more gentle, which not only protects the surface integrity of the packaging bucket, but also guarantees the product quality.

The application discloses a shot blasting process parameter design method containing missing data processing, and steps include: 1) obtaining a shot blasting surface integrity parameter set containing missing data, and determining shot blasting process parameters to be designed; 2) obtaining a surface integrity parameter set without missing data after filling; 3) building an N-layer process parameter design model based on artificial intelligence according to the shot blasting surface integrity parameter after filling and corresponding shot blasting process parameters; 5) inputting a shot blasting surface integrity parameter target value into the jth layer process parameter design model to obtain an estimated jth item of shot blasting process parameter, and writing the jth item of process parameter into the input parameter set until N items of process parameters are obtained. The application can realize stable and accurate realization of shot blasting process parameter forward guidance while realizing missing surface integrity parameter filling.