45 results about "Dressing method" patented technology

An apparatus for synchronous laser-conformal and mechanical dressing of a forming surface of a diamond grinding tool, relating to the field of grinding tool dressing. The apparatus comprises Y-direction, X-direction, and Z-direction motion platforms configured to slide relative to one another. A laser head rotation shaft is vertically slidably arranged on the Z-direction motion platform, and a laser head is mounted on the laser head rotation shaft. A grinding tool rotation shaft is arranged on the Y-direction motion platform, a diamond grinding tool is arranged on the grinding tool rotation shaft, and a mechanical dressing mechanism is arranged on the Y-direction motion platform. The dressing method comprises: mounting the diamond grinding tool on the grinding tool rotation shaft, and adjusting the initial angle and position of the laser head; fine-tuning the relative position between the laser head and a forming surface of the diamond grinding tool and performing laser dressing; after the diamond grinding tool has rotated half a revolution, adjusting the position of a mechanical dressing wheel to begin mechanical dressing; and dressing the two sides of the forming surface of the diamond grinding tool respectively by means of mechanical dressing and laser dressing. The present invention achieves uniform removal and effective compensation for a concave-surface profile by laser, thereby improving the dressing accuracy and dressing efficiency of concave-surface diamond grinding tools.

The invention discloses a segmented combined type worm grinding wheel based on spiral surface structuring and a laser finishing method, and belongs to the technical field of precise gear grinding. The working surface of the inner side of a spiral tooth groove of the worm grinding wheel at least comprises a section of structured area and a section of unstructured area in the axial direction; the structured area is provided with a crescent groove used for forming a grinding fluid storage and abrasive dust discharge channel in the grinding process. And the unstructured area keeps a continuous grinding surface and is used for finishing the surface of the machined workpiece in the structured area. According to the method, the laser processing head is controlled through multi-axis linkage to accurately describe an arc-shaped processing track in a spiral expansion coordinate system, the morphology consistency and the space precision of grooves are guaranteed, and the manufactured worm grinding wheel has good cooling, chip removal and accurate grinding performance and is suitable for high-efficiency and high-precision gear manufacturing.

The invention discloses a composite worm grinding wheel and a dressing method thereof.The composite worm grinding wheel is composed of a surface micro-structured grinding wheel body and a fine grinding wheel body which are axially connected into a whole, the surface micro-structured grinding wheel body adopts ultrasonic vibration to assist a single-point diamond pen in dressing, and a large number of separated-continuous oblique curve micro grooves are dressed in the tooth side face; cutting force, heat production and the temperature of a contact area are reduced by reducing the contact layer, the effective blade grinding number of the grinding wheel during grinding is increased, and the problems of blockage of the grinding wheel and thermal damage to the surface of a workpiece are effectively solved; a fine grinding working face is formed on the outer side tooth face of the fine grinding wheel, and the problem that the surface roughness is large is solved by using grinding materials with the large particle size number. The device integrates the functions of rough grinding and accurate grinding, machining is completed through one-time clamping, repeated clamping and positioning errors are reduced, materials are efficiently removed, chip removal and heat dissipation are improved, the machining precision and size consistency are improved, and the contradiction that efficiency, heat dissipation and surface quality are difficult to consider in the generating grinding process is solved.

The invention relates to the field of grinding wheel dressing, in particular to a novel binder accurate grinding roller grinding wheel and a surface dressing method.The device adopted in the surface dressing method comprises a rack, a control table and a grinding wheel frame are fixedly arranged at the upper end of the rack, a grinding wheel cover is fixedly arranged on one side of the grinding wheel frame, and a grinding wheel body is rotationally installed in the grinding wheel cover; a driving motor is fixedly arranged at the bottom of the rack and is in transmission connection with the grinding wheel body through a reduction gearbox, a first sliding table is fixedly arranged at the upper end of the rack, a second sliding table is slidably installed on the first sliding table in a matched mode, a dressing table is slidably installed at the upper end of the second sliding table in a matched mode, a clamping base is fixedly arranged on the dressing table, and a dressing pen is fixedly clamped in the clamping base. The progressive machining and finishing process combining rough finishing and fine finishing can be achieved on the grinding wheel body, operation is easy, finishing precision is high, the vibration problem can be thoroughly solved according to feedback data of vibration detection, and finishing quality can be improved.

The invention relates to the technical field of centerless grinding machines, in particular to a centerless grinding machine grinding wheel high-steady-state finishing control method which can stably finish a high-precision grinding wheel in the dynamic process, a machine tool is provided with an MPM dynamic balancing instrument and adopts a marble lathe bed, and a three-phase asynchronous motor or a spindle motor is selected as a grinding wheel motor. A servo motor with the rated rotating speed of 3000r / min is selected as a diamond roller motor; in the process of dressing the grinding wheel by the diamond roller, the same-direction dressing mode that the linear velocity value VRlr when the spindle of the diamond roller rotates divided by the linear velocity value VGW when the spindle of the grinding wheel rotates is a fixed value qd is adopted; the dressing feeding of the grinding wheel dresser is controlled by a U shaft, and a fixed grinding wheel dressing amount is carried out each time of dressing.

The invention discloses a video virtual reloading method and system based on human body whole body mask guidance. The method comprises the following steps: extracting a human body whole body mask sequence, a skeleton key point sequence and a scene prompt word for describing a video scene from a video to be reloaded; a video generation network is constructed based on a diffusion converter DiT, a human whole body mask sequence and a skeleton key point sequence of a specified character are spliced with a Noisy Latent in a channel dimension to serve as input of the DiT network, scene prompt words and visual feature codes of to-be-changed clothes are injected into a converter module of the DiT network after being processed through a cross attention mechanism, and the scene prompt words and the visual feature codes of the to-be-changed clothes are converted into the scene prompt words and the visual feature codes of the to-be-changed clothes. And as content and style guidance of video generation, the DiT network executes a reverse diffusion process under multiple guides, generates a reloaded video and completes a virtual figure reloading task. According to the method, the quality, diversity and controllability of video reloading generation are remarkably improved, and a new technology and a new paradigm are provided for a reloading model in practical application.

The invention provides a Monel alloy plate blank edge defect online detection and coping method, and relates to the technical field of alloy plate quality detection, and the method comprises the following steps: receiving a detection instruction, and synchronously sending a scanning signal and an acquisition signal; a temperature field set on the light spot moving track is obtained, the temperature field set comprises light spot coordinates of a plurality of detection light spots and a cooling process sequence corresponding to each light spot coordinate of the edge of the plate blank, and the cooling process sequence comprises process temperatures at a plurality of sampling moments starting from the moment of laser closing; according to the cooling process sequence corresponding to each light spot coordinate, obtaining a cooling rate characteristic value corresponding to each light spot coordinate; taking a point position of the edge part of the plate blank corresponding to the light spot coordinate of which the cooling rate characteristic value is smaller than a first preset threshold value as a first defect point position; and based on all the first defect point positions, a target grinding path is obtained, and the grinding device is controlled to grind the edge of the plate blank according to the target grinding path. The invention provides an efficient, accurate and automatic online detection and coping integrated solution.

The invention discloses a multi-angle dress changing method and system, electronic equipment and a storage medium, and the method comprises the steps: obtaining a model drawing and at least one dress-up drawing, and determining the type of each dress-up drawing; generating an attention weight matrix corresponding to each dress-up picture based on the type of each dress-up picture and the model picture; performing multi-view analysis on each dress-up picture to generate a target potential space picture of each dress-up picture consistent with the angle of the model picture; performing primary noise addition on the set of the target potential space diagrams of the dress-up diagrams to obtain final dress-up space features; performing multiple times of noise addition on a weighted potential space diagram of the model diagram in the overall space features to obtain final model space features; wherein the overall spatial feature comprises a weighted potential spatial map of the model chart obtained by combining an attention weight matrix corresponding to each dress-up chart with a potential spatial map of the model chart, and a final dress-up spatial feature; and redrawing based on the final spatial features of the model to obtain a reloading model drawing.

To provide a processing device that enables the economical use of dresser boards. [Solution] The processing apparatus includes a holding means for holding the dresser board 12, a cutting means that rotatably supports a rotating shaft on which a cutting blade 26 is mounted, an X-axis moving means for moving the holding means in the X-axis direction, a Y-axis moving means for moving the cutting means in the Y-axis direction, a Z-axis moving means for moving the cutting means in the Z-axis direction, and a control means. The control means calculates the width of the cut formed in the dresser board 12 from the outer diameter (d) of the cutting blade 26 and the amount of cut (t) into the dresser board 12 as ω = 2(dt-t 2 ) 1 / 2 The calculated (ω) is used as the basis to set the index amount (Xi) of the cutting blade 26 in the X-axis direction relative to the dresser board 12.

The invention relates to a dressing mechanism for a grinding wheel of a centerless external thread grinding machine. The grinding roller is arranged corresponding to a grinding wheel and is driven by a driving device to rotate around the axis; the vertical feeding mechanism drives the grinding roller to move back and forth relative to the grinding wheel; the horizontal feeding mechanism drives the grinding roller to move in a left-right adjusting mode, the swing mechanism drives the grinding roller to rotate so that the axis of the grinding roller and the axis of the grinding wheel can form a corresponding included angle, and the swing mechanism drives the grinding roller to rotate to adjust the grinding angle of the grinding roller so that grinding wheels with different machining requirements can be dressed. And meanwhile, the vertical feeding mechanism and the horizontal feeding mechanism are arranged to drive the grinding roller to move, so that the grinding roller can finish and process the grinding wheel at one time.

The present application relates to the field of grinding control, especially to a diamond grinding wheel dressing method and system. The method comprises the following steps: firstly, collecting the three-dimensional point cloud of the grinding wheel, and using a Kalman filtering mechanism combining wear model prediction and real-time data observation to accurately correct the three-dimensional point cloud to obtain the real wear state of the grinding wheel. Then, based on the corrected three-dimensional point cloud, an electrochemical activity degree for representing the electrolytic dressing efficiency of each point of the grinding wheel is calculated. Next, the electrochemical activity degree, the theoretical dressing amount of each point of the grinding wheel and the expected normal wear amount are taken as parameters, and an energy density matrix representing the dressing intensity requirement of each position of the grinding wheel is obtained by solving an objective function. Finally, the present application implements the adaptive and high-precision dressing of the grinding wheel by combining dynamic sensing and model prediction.

To provide a dressing device, a dressing method, and a tip manufacturing method capable of suitably controlling relative movement of a dresser board and a grinding wheel in a direction crossing a sliding surface during dressing or a load applied between them during dressing.SOLUTION: The dressing apparatus includes a board holding part that holds the dresser board, a moving part that moves the board holding part and the grindstones relative to each other in a direction intersecting sliding surfaces of the grindstones and the dresser board, and a measuring part that measures a load applied to the dresser board.SELECTED DRAWING: Figure 2

To provide a dressing method and a dressing device that can efficiently dress a grinding member.SOLUTION: The dressing method is for a grinding member (4) including abrasive grains and a binder for binding the abrasive grains, and comprises: a dressing step of causing the grinding member (4) and a dressing member (5) to collide with each other. In the dressing step, the dressing method may cause the grinding member to collide with the dressing member (5) having a hardness higher than that of the grinding member (4) based on a bonding degree of the abrasive grains by the binder.SELECTED DRAWING: Figure 1

The application discloses a precise grinding and dressing method of minerals and belongs to the technical field of mineral dressing process and mineralogy. The method is characterized in that the mineral parameters of each sieve analysis particle size of a broken sample are finely analyzed, and a quantitative relationship is established between the mineral parameters and concentrate indexes of each particle size, so that the key of 'grinding on demand' and 'precise recovery' is accurately deciphered. Through the dynamic linkage of the fine classification of particle size, the mineral parameters and the grade of the target element in the concentrate, the three major pain points of 'high energy consumption, serious over-grinding and large fluctuation of concentrate quality' in the traditional grinding process are solved, and the application provides an intelligent, self-adaptive and high-benefit precise grinding and dressing solution for the mineral dressing industry.

This invention discloses a grinding wheel dressing method for machining cycloidal gears using a worm gear grinding machine. The key feature is the use of a worm gear grinding machine that integrates cycloidal gear machining and grinding wheel dressing functions to achieve rapid and precise grinding wheel dressing. The worm gear grinding machine, with an adjustable central axis swivel angle for the dresser, increases the dresser's freedom of movement during dressing, reducing the impact of changes in the grinding wheel tooth profile, controlling errors during dressing, and improving machine tool stability. A contact vibration sensor is installed on the grinding wheel; by sensing vibration data, the machine tool automatically adjusts the dresser's alignment, simplifying manual operation, improving dressing accuracy, and saving time. After the initial alignment, the dresser does not need to be aligned again, improving dressing efficiency. By differentiating the two-stage machining process of dressing the grinding wheel, the roughing stage quickly removes excess material from the grinding wheel while the finishing stage maintains a good surface morphology.

The invention relates to the field of high-precision machining tool finishing, in particular to a honing oilstone finishing method which comprises the following steps: clamping a honing oilstone on a fixing assembly or a honing head; the fixing assembly or the honing head provided with the honing oilstone is clamped on a main shaft of a cylindrical grinding machine provided with a diamond grinding wheel, and the honing oilstone is subjected to first-time rounding through the diamond grinding wheel; the fixing assembly or the honing head provided with the honing oilstone is clamped on a main shaft of a cylindrical grinding machine provided with a silicon carbide grinding wheel, and secondary rounding is conducted on the honing oilstone through the silicon carbide grinding wheel; the honing oilstone is installed on a honing machine, a honing part is clamped, and trial honing is carried out; and according to the trial honing result, a finishing sleeve or a diamond file is adopted for conducting local finishing and / or whole-section finishing on the honing oilstone. The high-precision requirement of the honing head can be stably guaranteed, then high-precision holes are honed, and the use and performance requirements of products are met.

To propose a novel art which pays attention to a position of a processing load acting on a grind wheel during dressing to control conditions of dressing in a constant manner.SOLUTION: In a dressing method, a dresser board held by a holding table is dressed with a processing tool in a processing device. The dressing method includes, at least, a holding step in which the dresser board held by the holding table is held, a dressing step in which the dresser board is dressed with the processing tool, and a dressing time load centroid calculation step in which a dressing time load centroid which is a load centroid of a processing unit during dressing is calculated from processing loads measured by a plurality of load sensors during the dressing step.SELECTED DRAWING: Figure 7

The application provides a low-temperature grinding wheel abrasive particle dressing method, system and device based on hydroxyl modification, comprising: controlling rotation of a polishing disc and spraying hydroxyl radicals on the polishing disc to form a modified layer on the polishing disc; controlling rotation of a grinding wheel to be dressed and abutting against the modified layer on the polishing disc to make the abutting surface undergo hydroxyl dehydration condensation reaction, and the part of the grinding wheel that undergoes hydroxyl dehydration condensation reaction is removed in an atomic level layer-by-layer material removal manner under mechanical shearing action generated by relative motion of the grinding wheel and the polishing disc. The application uses a mixed gas of argon and water vapor, excites microwave plasma in a low-temperature manner, realizes micro-removal of diamond with small mechanical force, and further achieves dressing of resin-based sintered grinding wheels, and removes diamond in an atomic level layer-by-layer removal manner, so that the resin-based sintered grinding wheel surface can achieve lower roughness and realize higher smoothness of the diamond surface.

To provide a dressing method capable of finely adjusting grinding performance of a grindstone, a dressing device, and a grindstone.SOLUTION: The dressing method holds a grindstone G formed by binding abrasives by a binder in a state where a grinding surface Gf of the grindstone G is exposed, condenses a laser beam LA1 to apply it to the grinding surface Gf, and moves an irradiation region of the grinding surface Gf irradiated with the laser beam LA1, thereby melting and evaporating the binder to adjust a protruding amount of the abrasives. Then, by changing the intensity of the laser beam LA1, the protruding amount of the abrasives in the grinding surface Gf of the grindstone G is adjusted.SELECTED DRAWING: Figure 1

The invention relates to a large-abrasive-particle spherical diamond grinding wheel efficient opposite-grinding finishing method based on in-situ measurement and self-adaptive control. The method comprises the following steps: firstly, through a systematic single-factor test, preferably selecting an adaptive opposite grinding wheel (binding agent type, granularity, hardness and abrasive particle density), and optimizing dressing process parameters (grinding wheel rotating speed, feeding speed and dressing depth); secondly, a spherical grinding wheel opposite-grinding finishing platform integrated with a non-contact high-precision sensor is constructed, grinding wheel surface appearance and contour information is collected in situ, and preprocessing and feature extraction are conducted on abrasive particle protrusion height data through an advanced algorithm; and finally, a closed-loop feedback control system is established based on real-time measurement data, the dressing depth is dynamically and adaptively adjusted, and rapid homogenization of the exposure height of the abrasive particles and spherical contour precision regulation and control are achieved. According to the method, the problem of contradiction between efficiency and precision in the dressing process of the large-abrasive-particle spherical diamond grinding wheel is effectively solved, the dressing efficiency of the spherical grinding wheel for matched spherical matching part grinding and the abrasive particle equal-height performance of the dressed grinding wheel are remarkably improved, and a technical guarantee is provided for high-performance grinding machining of spherical parts.

This invention relates to the field of mineral processing equipment technology, specifically a multi-stage mineral processing equipment and method for fine screening of titanium-zirconium sand ore. The equipment includes a frame, a support, and a mounting plate, as well as a motor, a rotating rod, a screening assembly, a shaking assembly, and an impact assembly. The motor is mounted on the mounting plate, and the rotating rod is also mounted on the mounting plate and connected to the output end of the motor. The screening assembly and the shaking assembly are both mounted on the rotating rod and connected to each other. The impact assembly is mounted on the shaking assembly. When the shaking assembly is powered on, it drives the screening assembly to reciprocate along the axis of the rotating rod and drives the shaking assembly to rotate. This invention, through the use of the shaking and impact assemblies, ensures the normal reciprocating movement of the screen buckets even after blockage, while simultaneously intermittently impacting the screen buckets. The impact speed is proportional to the moving speed of the screen buckets, improving the cleaning speed of the screen buckets while ensuring the working efficiency of the mineral processing equipment.

This invention provides a polishing device dressing method, a polishing device, and a chemical mechanical polishing (CMP) apparatus. The polishing device includes a polishing pad and a dressing device, wherein the dressing device is equipped with a dressing head corresponding to the polishing pad. The dressing method includes: obtaining the wear amount at various positions of the polishing pad; dividing the surface of the polishing pad into multiple dressing regions based on the diameter of the dressing head, and selecting one of the dressing regions as a reference dressing region; calculating a first average wear amount in each dressing region based on the wear amount; and adjusting the rotational speed of the dressing head within each dressing region based on the correspondence between the first average wear amount of each dressing region and the reference dressing region. By changing the rotational speed of the dressing head, the non-uniformity generated on the surface of the polishing pad during the polishing process is eliminated. The rotational speed adjustment process of the dressing head is relatively fast and has the advantage of short delay, resulting in a better dressing effect on the surface of the polishing pad.

In this dressing method, a grindstone (G) formed by bonding abrasive grains with a binder is held in a state in which a grinding surface (Gf) of the grindstone (G) is exposed, and a laser beam (LA1) is condensed and radiated onto the grinding surface (Gf), while the irradiation region on the grinding surface (Gf), which is irradiated with the laser beam (LA1), is moved, thereby melting and evaporating the binder and adjusting the protrusion amount of the abrasive grains. The grinding surface (Gf) is irradiated with the laser beam (LA1) condensed so that the area of the irradiation region irradiated with the laser light (LA1) on the grinding surface (Gf) is smaller than at least the area of the grinding surface (Gf), and the intensity of the laser light (LA1) is changed while moving the irradiation region on the grinding surface (Gf), thereby forming a plurality of regions having different average values of the protrusion amount on the grinding surface (Gf).

A dressing apparatus dresses grindstones for grinding a workpiece by causing the grindstones and a dresser board to slide abrasively against each other. The dressing apparatus includes a board holder for holding the dresser board, a moving mechanism for moving the board holder and the grindstones relatively to each other in a direction transverse to a plane along which the grindstones abrasively slide against the dresser board, and a measuring instrument for detecting a load applied to the dresser board.

The invention belongs to the technical field of diamond grinding wheel trimming, and particularly relates to a low-damage and high-efficiency diamond grinding wheel trimming machine and a trimming method thereof. The machine tool comprises a machine tool base, a hard grinding wheel dressing mechanism, a flexible grinding wheel dressing mechanism and a grinding wheel transferring mechanism. The hard grinding wheel dressing mechanism adopts a hard grinding wheel to perform opposite grinding processing on the to-be-dressed grinding wheel; the flexible grinding wheel dressing mechanism adopts a flexible grinding wheel formed by magnetorheological fluid to grind and process the grinding wheel to be dressed; the grinding wheel transferring mechanism fixes and transfers a grinding wheel to be dressed through an air floating shaft and the three-axis moving mechanism. The grinding wheel to be dressed can be subjected to shaping and sharpening integrated machining through the combined technology of hard grinding wheel opposite grinding and flexible grinding wheel grinding, and the technical effects of being high in dressing efficiency and small in hard damage are achieved.

The application discloses a kind of dynamic deviation type dressing methods of dressing wheel normal of gear cutter grinding wheel, single circular arc dressing wheel is used to dress gear cutter grinding wheel profile, the arc head center of single circular arc dressing wheel head on the position of dressing contact point is controlled to move equidistance along the theoretical profile of gear cutter grinding wheel in a direction during dressing process, while controlling the whole single circular arc dressing wheel to swing around the arc head center of the position of dressing contact point, so that the rotary plane formed by the arc head center when the single circular arc dressing wheel revolves around its own axis and the normal plane between the profile of gear cutter grinding wheel on the position of dressing contact point form a dynamic change of deviation angle, the deviation angle gradually decreases from maximum positive deviation angle to zero deviation angle during dressing process, and then gradually increases from zero deviation angle to maximum reverse deviation angle.The application improves the service life of single circular arc dressing wheel and the dressing accuracy of gear cutter grinding wheel.

The invention discloses a precise grinding and selecting method for minerals, and belongs to the technical field of mineral processing mineralogy. According to the method, mineral parameters of each screen fraction of a crushed sample are subjected to refined analysis, a quantitative relation is established between the mineral parameters and concentrate indexes of each fraction, and the key points of'on-demand ore grinding 'and'accurate recovery' are accurately decoded. According to the technology, through size fraction fine classification and dynamic linkage of mineral parameters and the grade of target elements in concentrate, the three major pain points of high energy consumption, serious over-grinding and large concentrate quality fluctuation in a traditional ore grinding process are solved, and an intelligent, self-adaptive and high-benefit accurate grinding and selecting solution is provided for the ore dressing industry.

The invention provides grinding wheel dressing equipment, a grinding wheel dressing method, a device, equipment, a product and a medium, and belongs to the technical field of semiconductor manufacturing. The grinding wheel dressing equipment comprises a grinding head which comprises a grinding main shaft (1) and a grinding wheel (2), the grinding wheel (2) is installed on the grinding main shaft (1), and a plurality of grinding teeth (201) are arranged on the grinding wheel (2) in a protruding mode; the grinding disc is used for bearing the finishing plate (3); the driving mechanism is used for driving the grinding main shaft (1) so as to drive the grinding wheel (2) to rotate and translate, so that the finishing plate (3) is used for finishing the grinding teeth (201); and the controller is used for acquiring a first distance between the first end face of the sanding tooth (201) and a target horizontal plane (601) and controlling the driving mechanism to drive the grinding main shaft (1) according to the first distance so as to finish the sanding tooth (201). According to the technical scheme, automatic dressing of the grinding wheel grinding teeth can be achieved.

The application discloses a state-aware electrode cap self-adaptive dressing method and system, relates to the dressing processing technical field, acquires a process signal sequence in an electrode cap dressing process, and is segmented to obtain a plurality of discrimination windows; signals in each discrimination window are processed to obtain signals in each discrimination window after processing; a feature vector is constructed based on the signals in each discrimination window after processing; the feature vector is compared with each threshold value, a current dressing state is discriminated in combination with a state discrimination rule; and based on the current dressing state, a corresponding parameter update rule is combined to automatically update control parameters of equipment. The control parameters are automatically adjusted according to the discriminated dressing state, so that the end face quality stability is improved and the probability of adhesion is reduced without increasing complex hardware.

The invention relates to the field of grinding control, in particular to a diamond grinding wheel dressing method and system. The method comprises the steps that firstly, three-dimensional point cloud of the grinding wheel is collected, and a Kalman filtering mechanism combining abrasion model prediction and real-time data observation is adopted to conduct accurate correction on the three-dimensional point cloud so as to obtain the real abrasion state of the grinding wheel. And then, based on the corrected three-dimensional point cloud, an electrochemical activity degree used for representing the electrolytic finishing efficiency of each point of the grinding wheel is calculated. Thirdly, the electrochemical activity degree, the theoretical dressing amount of each point of the grinding wheel and the expected normal abrasion loss serve as parameters, and an energy density matrix capable of representing the dressing strength requirement of each position of the grinding wheel is obtained by solving a target function; and finally, according to the energy density matrix, the grinding wheel is subjected to partitioned and differentiated accurate finishing control. According to the method, dynamic sensing and model prediction are combined, and self-adaptive and high-precision dressing of the grinding wheel is achieved.