47results about How to "Reduce removal" patented technology

The invention belongs to the field of new energy materials and devices, and particularly discloses nitrogen self-doped phenolic resin-based hard carbon microspheres and a preparation method and application thereof.The preparation method comprises the following steps that nitrogen-containing phenol monomers, aldehyde monomers and a basic catalyst are mixed according to a certain sequence, and after prepolymerization is conducted at the low temperature, the nitrogen self-doped phenolic resin-based hard carbon microspheres are obtained; carrying out high-temperature hydrothermal reaction to obtain phenolic resin microspheres; and sequentially carrying out low-temperature carbonization treatment and high-temperature carbonization treatment to obtain the nitrogen self-doped phenolic resin-based hard carbon microspheres. Compared with the existing nitrogen-doped resin hard carbon preparation method, the nitrogen-self-doped phenolic resin hard carbon has the advantages that a nitrogen source is introduced into the phenolic resin hard carbon from the source end of the resin, the production process is simplified, and uniform distribution and atomic-scale doping of the nitrogen element are realized. The material is used for sodium ion batteries, has excellent long cycle stability, good rate capability and high specific capacity, and has industrial application prospects.

The invention provides a mixed bonding surface planarization process method of a wafer and chemical mechanical polishing equipment. The method comprises the following steps: controlling a grinding head to adsorb a first wafer to be subjected to surface planarization treatment, and grinding the first wafer on a first grinding pad to remove a copper film above a groove of the first wafer so as to obtain a second wafer; controlling the grinding head to move to a second grinding pad, and grinding the second wafer on the second grinding pad so as to remove the dielectric layer of the second wafer, the barrier layer above the dielectric layer and copper with the same thickness as the dielectric layer in the groove, and obtaining a third wafer with an exposed interface layer; controlling the grinding head to move to a third grinding pad, and grinding the third wafer on the third grinding pad, so that the surface height of the interface layer is the same as the surface height of the copper in the groove, and obtaining the wafer with the flattened surface; wherein the hardness of the third polishing pad is smaller than the hardness of the first polishing pad and the hardness of the second polishing pad. According to the invention, the wafer with a flat and smooth surface can be obtained.

The invention discloses an intrusion detection method and system based on artificial intelligence, and belongs to the technical field of network security, and the method comprises the steps: firstly extracting the features of network flow data, and carrying out the standardization and dimension reduction processing of the extracted features, and obtaining a feature data set; constructing a joint machine learning model which comprises a plurality of parallel learning models, performing batch training on all the learning models by adopting the data set and combining transfer learning, and fusing prediction results of a plurality of pre-trained learning models by adopting an integrated learning method to obtain a trained joint machine learning model; inputting real-time network flow data into the trained combined machine learning model, and performing intrusion monitoring on the network flow data by the combined machine learning model; according to the method, efficient and real-time intrusion detection is carried out on the network traffic, and the detection accuracy and adaptability are improved.

The invention relates to the technical field of medical instruments, in particular to an adjustable bone-to-bone fixing device with a main nail and an implanting mechanism device.The adjustable bone-to-bone fixing device comprises the main nail, a fixing coil, a first auxiliary nail and a second auxiliary nail. Early load-bearing exercise of ankle joints of a patient is facilitated, ankle joint degeneration and traumatic arthritis are reduced, and the risk of fracture of an implant is greatly reduced; compared with elastic fixation, two fixing points are taken on the tibia, one fixing point is taken on the fibula, all the fixing points are connected through sutures, and the length of the sutures is adjustable, so that the tibia can bind the fibula in a surrounding mode through the sutures, compared with a single-strand suture transverse fixation mode, the fixation mode is closer to a native ligament, and fixation is more stable and reliable; and moreover, the micro-motion function between the tibia and the fibula is reserved while the bone removal amount is less.

The invention discloses a comprehensive cleaning device for filter element production, and belongs to the technical field of filter element cleaning. Comprising a shell, a flushing mechanism, a brushing mechanism, a drying mechanism and an anti-splashing mechanism, a containing cavity is formed in the shell, a plurality of limiting grooves distributed in a circumferential array mode are formed in the containing cavity, filter elements are clamped and fixed in the limiting grooves, the flushing mechanism comprises a water inlet pipe and a spraying head, and the flushing mechanism is used for flushing the filter elements in the containing cavity; the scrubbing mechanism comprises scrubbing rollers, a first motor and an adjusting assembly, the scrubbing rollers are arranged between two adjacent groups of filter elements and are arranged in a circumferential array, the first motor is used for driving the scrubbing rollers to rotate, and the adjusting assembly is used for adjusting the distance between the scrubbing rollers and the filter elements; the drying mechanism is used for drying the filter element in the containing cavity, and the anti-splashing mechanism is used for preventing impurities in the containing cavity from blocking the drying mechanism. According to the invention, multiple groups of filter elements can be flushed at the same time, the flushing efficiency of the filter elements is improved, and the water consumption for flushing the filter elements is reduced.

The utility model discloses a lithium ion battery pyrolysis carbonization system, and belongs to the technical field of waste lithium ion battery recovery. The lithium ion battery pyrolysis carbonization system comprises an electromagnetic heating pyrolysis device, a secondary combustion chamber and a waste gas treatment device which are connected in sequence. The technical problems that a conventional lithium ion battery pyrolysis carbonization process is large in waste gas generation amount and poor in treatment effect are solved or at least partially solved.

The invention relates to the technical field of skid-mounted filtering and separating devices, in particular to a skid-mounted filtering and separating integrated device which comprises a gravity separator, a filtering separator and a produced liquid buffer tank. The device further comprises an electric telescopic rod, the electric telescopic rod is installed at the top end of the filter separator, the output end of the gravity separator is connected with the filter separator, the output end of the filter separator is connected with a produced liquid buffer tank, the telescopic end of the electric telescopic rod is connected with a movable frame, and the movable frame is movably connected into the filter separator. A liquid distribution pipe is arranged between the movable frames, a cleaning nozzle is arranged at the rear end of the liquid distribution pipe, two groups of filter frames are arranged at the rear end in the filter separator, and filter screens are arranged in the filter frames; two-stage separation is achieved, the density difference of a gas phase, a solid phase and a liquid phase is fully utilized, the replacement frequency of a filter element can be reduced, the operation cost is reduced, solid-liquid impurities in feed gas are efficiently removed, and the influence of the feed gas on operation of a compressor is reduced.

This utility model discloses an eco-board based on single mortise and tenon joint. The eco-board includes sub-wood strips and mother-wood strips, and the transverse direction of the eco-board is spliced ​​using mortise and tenon joints, while the longitudinal direction is spliced ​​using toothed joints. Its advantages are as follows: Compared with double mortise and tenon joints, the eco-board of this utility model, using a single mortise and tenon joint, has higher process efficiency and better economy. The processing time for single mortise and tenon joints can be reduced by 30%-50%, making it particularly suitable for mass production and requiring lower equipment precision. Secondly, it reduces the grooving process, lowering labor and tooling costs. Furthermore, the single mortise and tenon joint reduces material removal, making it suitable for scenarios requiring weight reduction (such as hanging cabinets and movable furniture). Moreover, the single mortise and tenon joint is particularly suitable for thin boards, requiring no larger board thickness for support, and can be used stably in eco-boards with a thickness of less than 18mm, thus broadening its application range.

The invention discloses a recycling method of fluorine-containing and indium-containing waste liquid, and belongs to the technical field of resource recycling, the method comprises the following steps: adjusting the pH value of the fluorine-containing and indium-containing waste liquid to 3-5, effectively precipitating indium, reducing the precipitation of other ions, calcining the precipitate, promoting the decomposition of indium oxide, and carrying out reduction calcination to obtain high-purity crude indium; the pH value of the supernatant is adjusted to 1-2, impurity metal elements are effectively removed, the activity of the additive is improved, side reactions are reduced, finally, step-by-step flocculation is conducted, filtrate and waste residues containing chromium and fluorine are obtained, metal elements and fluorine elements in the filtrate are effectively removed, the waste residues containing chromium and fluorine can serve as by-products to be directly sold, and the cost is reduced. And the economic benefit is effectively improved.

The present application relates to the technical field of feeding and dosing device, especially relates to an automatic feeding and dosing device for anti-blocking granular ammonia-nitrogen removing agent and a feeding method thereof. The automatic feeding and dosing device and the feeding method thereof are aimed at solving the technical problems that the labor intensity of workers is large, dust is harmful to human body, the continuity and uniformity of dosing cannot be guaranteed, and the saving of reagent is not conducive in the prior art. The present application provides an automatic feeding and dosing device for anti-blocking granular ammonia-nitrogen removing agent, which comprises a supporting column, a material bin, a lifting control device, a guide assembly, an outer dust cover, a rotary control assembly, a sealing cover plate, a limiting seat, a screen, a flexible knocking assembly, a power device, a spraying pipe, a nozzle and a discharging adjusting assembly. The present application adopts a crane to automatically feed the ammonia-nitrogen removing agent, ensures the continuity and uniformity of dosing of the ammonia-nitrogen removing agent, saves the amount of the ammonia-nitrogen removing agent, effectively suppresses dust dispersion through spraying, and reduces the harm to human body.

This invention discloses a method for the biological drying of sludge, comprising the following steps: baking biomass materials, mixing the resulting baked product with sludge, biochar materials, and a conditioner for biological drying, thereby completing the sludge drying process. In this invention, by biologically drying the mixture of baked product, sludge, biochar materials, and conditioner, not only can the self-generated heat within the system be used to effectively dewater the sludge in a very short time, but the bioavailability of the microbial carbon source can also be improved, effectively reducing the generation of polluting gases. This method can effectively reduce the emission of polluting gases while achieving rapid dewatering. It has advantages such as simple process, low treatment cost, low energy consumption, high drying efficiency, good dewatering effect, low polluting gas production, and low content of toxic and harmful components in the dried product. It can solve the problems of biomass resource waste and pollution, achieve sludge reduction and resource utilization, and has high returns and good application prospects.

The invention discloses a speech enhancement method based on a time sequence convolutional network, and the method comprises the steps: obtaining a data set, completing the preprocessing of the data, and generating a data pair for training a model; constructing a measurement standard of the system according to general industry knowledge rules and actual application scene requirements; constructing an encoder by using convolution short-time-distance Fourier transform, and using the encoder as a characteristic value of audio data and a model input item; a time sequence convolutional network TCN training model is introduced, and an encoder is decoded to obtain a voice enhancement processing result; according to the method, the effect of speech enhancement is analyzed according to a previously established measurement standard, and large-scale complex audio enhancement processing is quickly and effectively performed by introducing the time sequence convolutional network. The structure, the number of layers and parameters of the time sequence convolutional network can be learned and adjusted according to actual conditions, so that the model has flexibility and adaptability, the performance and the effect of the model are further improved, and stronger support is provided for realizing large-scale multi-type speech enhancement.

The present invention relates to an expandable electrochemical system for strengthening electrolytic chlorine decomposition reaction, the system comprising an expandable anode and a cathode, the expandable anode is a granular electrode integrally filled in the anode area of ​​an electrolytic reactor or a granular electrode integrally filled in a water-permeable cavity; the granular electrode is constrained and filled according to the size of the electrolytic reactor or the electrode area / volume required for electrolysis; the granular electrode is a bismuth oxide-carbon-based material composite granular electrode. The system of the present application utilizes low voltage to achieve electrode strengthening to produce active chlorine, does not generate secondary pollution, reduces costs and realizes full utilization of resources.

The invention discloses a sponge-based defluorination composite material as well as a preparation method and application thereof. The sponge-based defluorination composite material comprises sponge serving as a carrier and metal salt loaded on the sponge, the metal salt comprises iron metal salt, aluminum metal salt and lanthanum metal salt; the iron metal salt is ferric sulfate or ferric chloride, the aluminum metal salt is aluminum chloride, and the lanthanum metal salt is lanthanum chloride or lanthanum nitrate. Compared with other adsorption type defluorination materials, the sponge-based defluorination composite material disclosed by the invention is low in cost, convenient to use and capable of being repeatedly used for many times; meanwhile, the sponge-based defluorination composite material is high in defluorination efficiency and stable in performance, and has remarkable application advantages.

The invention relates to the technical field of substance purification, in particular to a purification method of sialylated oligosaccharide. The purification method of the sialylated oligosaccharide, provided by the invention, not only is simple and feasible in process, but also reduces dissociation and browning of the sialylated oligosaccharide in the purification process, effectively reduces the loss of the sialylated oligosaccharide and improves the yield of the sialylated oligosaccharide; the sialylated oligosaccharide prepared by the purification method can realize higher purity and yield, and has better application prospect in industrial production.

The invention relates to the technical field of communication signal monitoring, and discloses a communication signal monitoring method and system for a repeater, and the method comprises the following steps: 1, respectively obtaining the environmental parameters and communication quality parameters of a historical data repeater, integrating the data into a parameter data group according to the type of extreme weather, obtaining parameter data sets corresponding to different extreme weather types; 2, based on the parameter data sets corresponding to the different extreme weather types, data in each parameter data set is processed, and the normalized parameter data sets of the different extreme weather types are obtained; wherein the process of processing the data in each parameter data group comprises the step of removing abnormal values in the data. According to the method, in the data cleaning process, the rationality of parameter change under extreme weather is reasonably considered, and the problem that actually required effective data is taken as an abnormal value to be removed is effectively solved, so that the effectiveness of correlation calculation in subsequent steps is ensured.

This utility model relates to the field of aerospace technology and discloses an integrated bolt cleaning and lubrication device, comprising: a conveying assembly, which includes a conveyor belt, a first drive unit, and a bolt mounting unit. The power output end of the first drive unit is connected to the conveyor belt for driving its movement. The bolt mounting unit is disposed on the conveyor belt and can fix the bolt head; a cleaning assembly and a lubrication assembly, which are arranged at intervals along a first direction. The cleaning assembly has a cleaning channel for bolts to pass through, and the lubrication assembly has a lubrication channel for bolts to pass through; and a waste liquid purging assembly, which is disposed between the cleaning assembly and the lubrication assembly for purging the cleaning liquid adhering to the bolts. The integrated bolt cleaning and lubrication device provided by this utility model can realize automated and integrated cleaning and lubrication operations, thereby solving the problems of high labor intensity, low efficiency, and health risks associated with manual bolt handling in the prior art.

The application provides a batch closed die forging device and batch preparation method for bowl head hanging plate, the die forging device comprises a pre-forging die and a final-forging die, the pre-forging die comprises a pre-forging upper die and a pre-forging lower die, a pre-forging cavity of the pre-forging die can pre-forging a plate blank in the pre-forging cavity into an integrated pre-forging plate with thin middle and thick sides; the final-forging die comprises a final-forging upper die and a final-forging lower die, when the final-forging upper die and the final-forging lower die are in a closed die state, a plurality of bowl head hanging plate forming cavities are formed between the final-forging upper die and the final-forging lower die, each bowl head hanging plate forming cavity is uniformly and evenly arranged along the length direction of the integrated pre-forging plate and is symmetrically arranged about the width center line of the integrated pre-forging plate. The application realizes the twice closed die forging process of "pre-forging integral shaping + final-forging cavity finishing" by using the pre-forging die and the final-forging die in sequence, can ensure the continuity of the metal forging limiting streamline, realizes the densification forming of the key stress position of the bowl head hanging plate, improves the mechanical properties of the bowl head hanging plate, and realizes the batch production of the bowl head hanging plate.

According to the red-mud-based ecological permeable concrete pavement structure and the construction technology thereof, a red-mud-based ecological permeable concrete pavement adopts a double-layer design, pores and the particle size of a bottom surface layer are larger than those of a surface layer, a continuous efficient permeable channel is formed, and the surface layer preliminarily infiltrates and filters accumulated water on the pavement and intercepts part of impurities; the bottom surface layer further provides an infiltration channel, so that rainwater rapidly infiltrates into the ground, surface runoff is greatly reduced, the problem of poor water permeability of a traditional pavement is solved, underground water supplementation is assisted, and urban inland inundation is relieved; meanwhile, the strong basicity characteristic of the red mud is ingeniously utilized in the pavement structure, when surface runoff containing pollutants sequentially passes through the surface layer and the bottom layer, the red mud-based material of the bottom layer can enable heavy metal ions in the runoff to be subjected to reactions such as precipitation in an alkaline environment, and the heavy metal ions are fixed in the pavement structure, so that deep purification of the pollutants is realized; pollution of rainwater to natural water is effectively reduced, and the water ecological environment is protected.

The invention discloses a machining process of a step bushing, and relates to the technical field of machining, the specific steps of the process are as follows: S100, die design: according to the design requirements of the step bushing, drawing a detailed three-dimensional drawing including key information of the size, angle and material of a step, analyzing the drawing, determining the feasibility of a stamping process, and determining the size of the step bushing according to the feasibility of the stamping process; comprising the stamping property of materials and the complexity of die design, the whole-process stamping technology is adopted, one-time forming of the step lining is achieved, multiple cutting procedures in a traditional machining method are remarkably reduced, due to the high-efficiency characteristic of the stamping technology, a large number of products can be produced within a short time, and the production cost is reduced. Meanwhile, due to the fact that the steps of material removal and follow-up finish machining are omitted, raw materials are saved, machining time is shortened, production cost is reduced, equipment abrasion and energy consumption caused by cutting machining are avoided, and the production cost is further reduced.

The present invention discloses a connector, including a main body, a sleeve, a center rod assembly, and a gasket. The main body has a fluid hole and a drive hole, and the fluid hole has a stepped hole at its air outlet end; one end of the sleeve is inserted from the air outlet end of the main body and forms a movable connection with the main body, and a sealing structure is formed between the inner wall of the sleeve and the outer wall of the main body; one end of the center rod assembly passes through the sleeve and enters the stepped hole, which includes a center rod upper section and a center rod lower section that are detachably connected together, and a quick-release structure that can control the disassembly of the center rod upper section and the center rod lower section, the outer end of the center rod upper section has a main sealing end, and the center rod assembly also forms a sealing structure with the sleeve; the gasket is sleeved on the outside of the center rod assembly, one end of which abuts the sleeve, and the other end extends to the main sealing end. The connector of the present invention has a quick-release structure. When disassembling the center rod upper section and the center rod lower section, it is only necessary to slide the sliding cover to loosen the ball bearing, and the center rod upper section and the center rod lower section can be quickly disassembled.

The utility model belongs to the technical field of sewage treatment, and particularly relates to a novel phosphorus removal air flotation machine which comprises an air flotation machine body, a mixing mechanism is arranged on the air flotation machine body, and the mixing mechanism comprises a mixing assembly and a supporting plate fixedly connected between the opposite side walls of the air flotation machine body, a rotating rod is rotatably connected to the supporting plate through a pair of first rotating holes, a group of stirring blades are fixedly connected to the rotating rod, a sliding rod is slidably connected to the supporting plate through a sliding hole, and an oval block is slidably connected to the sliding rod. The problems of poor reaction effect, influence on phosphorus removal efficiency and reduction of phosphorus removal effect due to the fact that the mixing time of an air flotation machine is short and a medicament cannot be guaranteed to be in full contact with sewage generally and the medicament and fed materials are not fully mixed are solved.

The application discloses a highland dairy workshop environment parameter self-sensing ventilation system and belongs to the technical field of workshop ventilation systems, which comprises a preliminary filtering mechanism, the preliminary filtering mechanism comprises a pretreatment box and a filter box which are in communication with each other, the inside of the pretreatment box is provided with an air extraction fan, a precision filter screen and an activated carbon filter screen, the inside of the filter box is provided with a crude filter screen, the other end of the filter box is provided with an oil-free air compressor, one side of the oil-free air compressor is provided with a membrane separation assembly, both ends of the membrane separation assembly are provided with connecting pipes, one group of the connecting pipes is in communication with the oil-free air compressor, one side of the other group of the connecting pipes is provided with a plurality of sterilization filters, and the other side of the plurality of sterilization filters is provided with an output pipe; when the application is used, air can be comprehensively filtered, dust and bacteria in the air can be effectively removed, and the possibility of pollution can be reduced.

A battery pack configured to discharge a high-temperature gas to the outside of the battery pack without affecting other adjacent battery modules when the gas is generated inside the battery module is disclosed. The battery pack according to one aspect of the present disclosure includes a pack housing; battery modules; and a first side venting channel and a second side venting channel configured to guide a venting gas generated from the battery modules to a collection space at a position corresponding to the battery module, and the pack cover includes a protrusion on a surface of a region corresponding to the collection space.

The invention discloses a preparation method of a silver-based high-reflectivity back electrode material, and relates to the technical field of electronic materials. An acid modified copper plate is used as an electrode material substrate, positively charged polystyrene microspheres are adsorbed and are autonomously arranged to form a seed layer, then generated silver nanorods are effectively fixed on the surface of the copper plate by means of gaps among the polystyrene microspheres and negative charges on the surface of the copper plate, and then in the SnCl4 atmosphere, the silver nanorods are effectively fixed on the surface of the copper plate. Plasma enhanced heating treatment is carried out, a silver nitrate solution is gradually converted towards the direction of nano-silver crystals along with solvent removal, nano-silver and Sn elements are combined under the combined action of plasma and a high-temperature environment, polystyrene microspheres are heated and removed along with the prolonging of reaction time, a nano-rod array is formed, total reflection of light can be reduced, and the light emitting efficiency is improved. The light scattering is increased, the light extraction rate of the LED is effectively improved, meanwhile, due to the existence of the Sn element, the contact between sulfide and silver can be reduced, and the possibility of vulcanization of the electrode material is reduced.

The invention relates to a polishing solution suitable for chemical mechanical polishing of a Cu wiring Co barrier layer integrated circuit. The polishing solution comprises the following components: silica sol, an oxidizing agent, a complexing agent, a corrosion inhibitor and deionized water, the pH value of the polishing solution is 8.0 to 10.0. According to the polishing solution, an amino acid reagent harmless to the environment is selected as a complexing agent, reagents such as imidazoline and imidazolidinyl urea are adopted as inhibitors, H2O2 is adopted as an oxidizing agent, silica sol is adopted as a grinding material, and the chemical dissolution effect and the mechanical effect are combined together to achieve global planarization of the wafer surface. Efficient CMP of a Cu / Co barrier layer is achieved, after the polishing solution is used for polishing the surface of a wafer, the Cu / Co removal rate selection ratio is close to 1: 1, and the effect that the surface roughness reaches the nanoscale can be achieved, so that the strict requirement of integrated circuit manufacturing for the CMP process is met, and the preparation process is simple and suitable for industrial production.

The utility model relates to the technical field of identity authentication equipment membranes, in particular to a vehicle-mounted biological recognition identity authentication equipment membrane structure which comprises a micro-nano layer, and the outer wall of the top of the micro-nano layer is coated with an anti-fouling coating used for preventing water drops, grease and other stains from being attached to the outer wall of the top of the micro-nano layer. A self-cleaning layer for decomposing organic matter attached to the membrane structure is arranged on the side, away from the antifouling coating, of the micro-nano layer, a protective layer is arranged on the side wall of the side, away from the micro-nano layer, of the self-cleaning layer, a fingerprint capturing optical layer is arranged on the side, away from the self-cleaning layer, of the bottom of the protective layer, and a light filtering layer is arranged at the bottom of the fingerprint capturing optical layer. Compared with the prior art, through cooperation of the self-cleaning layer, the micro-nano layer and the antifouling coating, attachment of fingerprints, water stains and oil stains can be reduced, cleaning is convenient, the cleanliness of the film is kept, the problem that normal work of a recognition system is interfered, and recognition errors or failures are caused is solved, and use is convenient.

The present invention belongs to the technical field of aquaculture, and in particular, relates to a circulating fish farming device. The present invention uses a fish tank unit for farming fish and a sedimentation tank unit for circulating and purifying the water in the fish tank unit to remove suspended matter and bacteria in the aquaculture wastewater, and finally recycle it. At the same time, a rain shower unit with a double-layer structure is provided to preliminarily mix the suspended matter in the discharged wastewater and pass through holes with adjustable sizes. During the mixing process, large suspended matter in the wastewater is broken into small suspended matter, which is beneficial to the adsorption and removal in the sedimentation tank in the next step. The present invention has the advantages of recycling aquaculture water resources, and reduces the discharge of sewage into the environment, which is beneficial to maintaining the ecological balance of the surrounding environment. At the same time, the device structure is reasonably and effectively arranged, and the suspended pollutants in the aquaculture wastewater are pre-treated to facilitate filtration or adsorption removal, reducing the risk of blocking the filter.

The invention discloses a method for optimizing milling process parameters of a medium-high volume fraction aluminum-based silicon carbide material, which is used for a PCD flat-bottomed milling cutter and sequentially comprises the following steps of: calculating a cutter wear rate, calculating a material removal rate and carrying out multi-objective optimization calculation on the process parameters. According to the method, the distribution weight of the cutter wear rate and the material removal rate to the process parameter optimization target is considered, so that the reasonable calculation optimization of the process parameters when the PCD milling cutter mills the aluminum-based silicon carbide is realized, and the cutter wear rate is reduced while the material removal rate is improved.

The invention discloses a grinding wheel dressing device for mechanical part grinding, the device is composed of a repairing structure and a repairing auxiliary structure, the repairing auxiliary structure is provided with a positioning clamp, a driving and driven gear transmission mechanism, an air pressure detection and positioning stalling assembly, a high-pressure air path and a steel emery dressing unit; the repairing structure comprises a descending driving assembly, a single-point diamond pen repairing assembly and a grinding fluid supply mechanism. According to the device, coordination actions of diamond pen feeding, adaptive holding body sealing, intermittent grinding fluid supply and continuous high-pressure airflow purging are achieved through single-power double-path synchronous output, the local blockage passivation area of a grinding wheel is recognized through an air pressure sensor, rapid positioning and rotation stopping are achieved, targeted dressing is completed through steel grit, and the steel grit can be recycled; two operation modes of local dressing and comprehensive shaping of the grinding wheel can be achieved, the removal amount of grinding wheel materials is greatly reduced, the service life of the grinding wheel is prolonged, the structure is simple, transmission is reliable, and the dressing efficiency is high.