180 results about "Diamond grit" patented technology

The invention discloses a high-precision intelligent quality inspection system for diamond grains, and relates to the technical field of defect detection and contour measurement, and the system comprises a multi-mode sensing device which is used for obtaining a two-dimensional image, a three-dimensional shape and spectral data of the grains; the module is used for receiving manufacturing process parameters and constructing a theoretical three-dimensional model; the interface is used for acquiring actual manufacturing process data; the unit is used for processing the fused measured data and comparing the fused measured data with a theoretical model to generate deviation data; the hierarchical artificial intelligence analysis engine comprises a data analysis and coordination control AI model based on multi-head attention, the AI model is coupled with an attribution analysis layer, and the engine fuses and analyzes measured data, deviation data, process parameters and actual manufacturing process data. And performing deep cross-modal association, trend analysis, manufacturing data association analysis and accurate attribution by using an attention mechanism, and finally generating a quality evaluation result containing application performance prediction and process optimization suggestions with attribution information.

The invention discloses grinding equipment and a grinding method for metal cutting milling cutter machining, and relates to the technical field of grinding machine tools. The grinding equipment for metal cutting milling cutter machining comprises a grinding machine base, a spindle box is fixedly connected to the top of the grinding machine base, a chuck is movably connected to the right side of the spindle box, and a movable seat is movably connected to the position, located on the right side of the spindle box, of the top of the grinding machine base. According to the grinding equipment and the grinding method for metal cutting milling cutter machining, an air supply motor drives a spiral plate to rotate, so that the spiral plate continuously feeds external air into a splash guard through an air supply pipe, and air flow is formed to be blown to a diamond grinding wheel; and cooling liquid on the surface of the diamond grinding wheel and loose abrasive particles and chippings on the surface can be blown to the right side to be away from the surface of the diamond grinding wheel, so that the to-be-ground surface of the diamond grinding wheel is kept clean, the abrasive particles and chippings are prevented from participating in grinding to influence the surface quality of the milling cutter, and the machining efficiency is improved.

The present invention discloses a cold pressing and forming device for the production of a metal-bonded diamond grinding wheel in the field of diamond grinding wheel forming technology. A cold pressing and forming assembly is installed on the basic assembly. The output end of the hydraulic telescopic cylinder is fixedly assembled with an upper mold, and a lower mold adapted to the upper mold is fixed on the basic assembly. A flattening assembly is assembled in the lower mold, and a cooling assembly driven by the flattening assembly is installed in the basic assembly. By setting the flattening assembly, the cold pressing and forming disk is set to be rotatable and relatively rotate with the lower mold, which can flatten the raw materials on the cold pressing and forming disk without affecting the use of the lower mold. The cooling assembly is added and the cooling assembly is driven to act when the flattening assembly acts to achieve an effective heat exchange effect, solving the problem that it is difficult to effectively dissipate heat from the overall cold pressing of the grinding wheel. A demoulding assembly is added to complete the automatic mold lifting operation.

The invention discloses a method for predicting the service life of a diamond grinding wheel of a solid carbide cutter grinding spiral groove, which comprises the following steps that a machine learning module is adopted to estimate the abrasion loss of the grinding wheel diameter along the axial direction of the grinding wheel, and the input quantity of machine learning is cutter parameters, grinding wheel parameters, grinding parameters and other information; the output quantity of machine learning is the abrasion loss of the grinding wheel along the axial diameter; the input quantity of machine learning is substituted into a machine learning module to predict the abrasion state of the grinding wheel; if the set abrasion loss is exceeded, the grinding wheel is refinished and fed back to the machine tool, otherwise, the abrasion state, the grinding wheel information, the grinding path and the spiral groove information of the grinding wheel are substituted into a module for calculating the front angle and core thickness error, the front angle and core thickness error is obtained, and whether the tolerance requirement is met or not is judged; under the condition that the front angle error and the core thickness error meet the requirements, the spiral groove is ground; the shape of a machined spiral groove is obtained multiple times in an image mode and fused into an accurate contour, then the shape of the grinding wheel is calculated according to the enveloping principle, and grinding wheel abrasion information estimated through machine learning is updated. According to the scheme, the service life of the grinding wheel can be remarkably prolonged, the grinding time of the spiral groove of the cutter is shortened, and efficient machining of the spiral groove of the hard alloy cutter is achieved.

The invention discloses an intelligent control method and system for the thickness of a nickel plating layer of a diamond fretsaw, and relates to the technical field of intelligent control. The method comprises the steps that a combined nickel plating constraint space and a reinforced nickel plating constraint space of a combined nickel plating tank and a reinforced nickel plating tank are established; optimizing and generating combined nickel plating parameters of the combined nickel plating tank; executing a combined nickel plating process, detecting the thickness distribution of a combined nickel plating layer, completing a carborundum electroplating process, and detecting the carborundum distribution density; and dynamic reinforcing nickel plating parameters are generated and adjusted, a reinforcing nickel plating tank is configured according to the dynamic reinforcing nickel plating parameters, and a second nickel plating procedure is executed to achieve intelligent thickness control. The technical problems that the plating thickness control precision is insufficient, the product quality stability is poor and the production efficiency is low due to the fact that an existing diamond fretsaw nickel plating layer thickness control method cannot accurately adapt to bus base material characteristic fluctuation, plating solution state change and personalized requirements in the production process are solved.

The invention discloses a preparation method of a micro-comb-tooth structure diamond grinding wheel with abrasive particle positive relief angles and the obtained diamond grinding wheel, and the preparation method comprises the following steps: step 1, preparing grooves which are arranged in order to form a certain array on the circumferential surface of a grinding wheel base body through precision milling, and directionally bonding diamond abrasive particles in the grooves by using conductive adhesive; nickel-cobalt alloy is deposited through a pulse electroplating method to achieve mechanical solidification of the abrasive particles; 2, the grinding wheel obtained in the step 1 is shaped through a pulse laser system, and effective control over the outer circumference run-out of the grinding wheel is achieved; 3, the abrasive particle positive relief angle, obtained in the step 2, of the grinding wheel is subjected to forming machining; and 4, micro comb tooth structure machining is conducted on the grinding wheel in the step 3.

The invention particularly discloses a wafer heavy scratch three-dimensional shape repairing process based on a DFG 8560 single-axis accurate grinding mode, and aims to solve the problems that deep subsurface damage is introduced by rough grinding in a traditional double-stage grinding process, the machining efficiency is low, and material waste is serious. The process comprises the following steps: identifying a heavy scratch defect existing on the surface of a wafer through an automatic optical detection system; a ceramic bond diamond grinding wheel with the particle size of 8000 is adopted, uniaxial accurate grinding is conducted through ultrapure water cooling under the optimized parameters that the rotating speed of a main shaft is 1300-2300 rpm, the rotating speed of a workbench is 1785-2100 rpm and the rotating speed ratio is 0.6-1.3, and three-dimensional shape repairing is directly completed by skipping rough grinding; the rotating speed and pressure of grinding are dynamically regulated and controlled in three stages, the total time is less than or equal to 135 seconds, and the removal amount is 6-12 microns. By the adoption of the technical scheme, the surface roughness Ra can be smaller than 0.5 nm, the subsurface damage layer can be smaller than 50 nm, the repair success rate is larger than 98.5%, the machining time is remarkably shortened by 35% or above, and the material removal amount is reduced by 40%.

The invention discloses an automatic compensable grinding and polishing machining method for a hemispherical harmonic oscillator. The method comprises the steps that a diamond grinding wheel with the first granularity is used for conducting generating method machining on a workpiece according to the first feeding speed; replacing a diamond grinding wheel with a second granularity, performing tool setting to obtain an actual position of machining feeding, and performing generating method machining on the workpiece again according to a second feeding speed from the actual position; the polishing wheel is replaced, tool setting is carried out to obtain the actual position of machining feeding, generating method force control polishing is carried out on the workpiece from the actual position, workpiece in-place measurement is carried out after polishing, compensation polishing is carried out according to the in-place measurement result till the requirement is met, and the hemispherical harmonic oscillator is obtained. The problem of automatic tool changing in the generating method hemispherical harmonic oscillator machining process can be solved, the tolerance requirement for tool manufacturing is lowered, the process time is saved, the machining procedure is completed on the premise of one-time clamping, and the requirement for coaxiality among an inner ball, an outer ball and a supporting rod of a workpiece is met.

The invention discloses discharging and grinding combined machining and manufacturing equipment and method for a milling cutter. The discharging and grinding combined machining and manufacturing equipment comprises a high-precision numerical control machine tool, an electric spark pulse power module and a mechanical grinding driving module. The high-precision numerical control machine tool comprises a machine tool body, a workbench and a machine tool spindle, a milling cutter blank is clamped and fixed through the workbench, the lower end of the machine tool spindle is provided with bidirectional grinding heads, and the grinding heads on the two sides are provided with a red copper grinding wheel and a diamond grinding wheel respectively. The electric spark pulse power supply module is electrically connected with a red copper grinding wheel on the bidirectional grinding head; the mechanical grinding driving module is connected with a grinding wheel on the bidirectional grinding head; the machining and manufacturing method comprises the steps of workpiece clamping and positioning, discharge grinding rough machining, grinding wheel switching and finish machining positioning and mechanical finish machining. By effectively combining the advantages of electric discharge machining and grinding machining, the machining precision and production efficiency of the milling cutter are improved, and the requirements of the modern manufacturing industry for high quality and high precision of the milling cutter are met.

The invention discloses a porous metal bonding agent diamond grinding wheel for SiC thinning and a SiC thinning method, the porous metal bonding agent diamond grinding wheel for SiC thinning comprises an outer layer body and a filling cavity formed in the outer layer body, and the filling cavity is filled with microspheres. According to the porous metal bonding agent diamond grinding wheel for SiC thinning, the outer layer body is filled with the microspheres, the microspheres can be heated to expand along with temperature rising in the grinding process, the microspheres extrude and slide mutually, the filling cavities can be dynamically filled with the microspheres so as to buffer and disperse local stress, and contact pressure fluctuation can be reduced easily.

The invention relates to the technical field of super-hard grinding tool manufacturing, in particular to a high-performance diamond grinding wheel and a preparation method thereof. A high-performance diamond grinding wheel comprises a diamond grinding wheel base body, a titanium coating and a WS2-TiSiN coating, the titanium coating and the WS2-TiSiN coating are sequentially arranged on the surface of the diamond grinding wheel base body, and the diamond grinding wheel base body is prepared from, by mass, 65-72 parts of diamond grinding materials, 5-7 parts of modified fibers, 20-24 parts of ceramic binding agents and 3-5 parts of binding agents. The high-performance diamond grinding wheel has the advantages of being compact in organization structure, excellent in heat conductivity and grinding efficiency, high in grinding precision, long in service life, good in mechanical property and good in oxidation resistance. The method is widely applied to titanium alloy grinding machining, and the problems occurring in the titanium alloy grinding process are effectively solved.

The utility model discloses an ultra-precise grinding diamond grinding wheel which comprises a diamond lapping body, a connecting disc is installed on one side of the diamond lapping body, the ultra-precise grinding diamond grinding wheel further comprises a heat dissipation mechanism, the heat dissipation mechanism comprises a heat dissipation disc arranged on the other side of the diamond lapping body, an injection opening is formed in one side of the heat dissipation disc, and a heat dissipation mechanism is installed on the other side of the heat dissipation disc. A liquid outlet nozzle is fixedly connected to the outer side of the heat dissipation disc, an oil coating assembly is installed on the outer ring of the heat dissipation disc, and a containing cavity is formed in the heat dissipation disc; and the auxiliary mechanism is arranged on one side of the connecting disc. The problems that when an existing diamond grinding wheel is used by workers, due to the fact that the diamond grinding wheel rubs with other grinding wheels for a long time, a large amount of heat is generated, the temperature of the diamond grinding wheel is gradually increased, the hardness of the diamond grinding wheel is reduced, abrasion of the diamond grinding wheel is likely to be aggravated, and the service life of the diamond grinding wheel is prolonged are solved. And the service life of the diamond grinding wheel is influenced.

The application discloses a laser modification polishing integrated method for improving thinning efficiency of silicon carbide wafers. First, the wafer is placed on an ultrasonic vibration platform; then laser slow scanning parameters are set to make the semiconductor wafer efficiently modified under the action of ultrasonic vibration; then an air flow device is started, laser polishing parameters are set, and the laser is polished on the surface of the modified wafer under the action of ultrasonic vibration and high-speed air flow; finally, the wafer after laser polishing is ground and thinned by a wafer thinning machine matched with a fine-grit diamond grinding wheel, so that the final finished product sample is obtained. The method has the advantages of simplicity, high efficiency, strong repeatability and the like, and in combination with an external field assisted laser modification polishing process, the thinning efficiency can be effectively improved and the wafer thinning cost can be reduced.

This utility model relates to the field of abrasive technology, specifically disclosing a diamond grinding wheel with good heat dissipation, including a base connected to a grinding machine; multiple grinding wheel blocks are fixedly connected to the lower end face of the base; the side of the base is provided with a protruding edge; a free ring is rotatably connected to the upper end of the base; a limit ring is detachably fixed to the free ring corresponding to the protruding edge; an inclined air duct is inclinedly connected to the upper surface of the free ring; an external air pump and air pipe are connected through the inclined air duct, so that air with a pressure greater than one atmosphere is supplied through the inclined air duct as a driving power source, while restricting the rotation of the inclined air duct and the free ring to keep them stationary. Then, the base and grinding wheel blocks are driven to rotate by the grinding machine spindle for grinding. Then, as the base rotates, the multiple inclined air holes are sequentially connected to the inclined air duct to transport high-speed flowing air. The heat generated by the grinding of the workpiece and grinding wheel blocks in the base keeps the workpiece and grinding wheel blocks at room temperature and prevents them from expanding and deforming, thus affecting the grinding accuracy.

The utility model belongs to the technical field of diamond grinding wheels, and particularly relates to a diamond grinding wheel for grinding a lead screw. The grinding wheel comprises a base body and a grinding layer. Wherein the grinding layer comprises grinding teeth, a first grinding groove and a second grinding groove; the first grinding groove and the second grinding groove are symmetrically formed in the two sides of the grinding teeth and are in smooth connection with the grinding teeth. According to the diamond grinding wheel for grinding the lead screw, the thread groove grinding part and the thread body grinding part are arranged on the grinding wheel at the same time, continuous thread grooves and thread body segments on the lead screw can be ground, and the grinding wheel is matched with translation of the grinding wheel and rotation of the lead screw and the grinding wheel; and grinding machining of all parts on the spiral groove of the lead screw can be completed at the same time.

The utility model provides an emery feeding liquid spraying device of an emery groove, which comprises a cleaning box, a fixing frame and a bottom plate, the rear end of the fixing frame is fixedly connected with an electric push rod, the telescopic end of the electric push rod is fixedly connected with a sliding seat, the rear end of the fixing frame is fixedly connected with four fixing blocks, and a sliding rod is fixedly connected between every two groups of fixing blocks. By means of the design, the problems that when an original device conducts grinding treatment on a carborundum groove, omission occurs when grinding equipment grinds the carborundum groove due to the fact that the structure of the carborundum groove is complex, operation needs to be conducted many times, the working time is prolonged during machining, and the machining efficiency of the carborundum groove is affected are solved, and the carborundum groove grinding device is reasonable in structure, convenient to operate and high in practicability. The device is simple in structure and good in practicability, impurities on the surface of the carborundum groove can be effectively removed by uniformly spraying the gravel on the surface of the carborundum groove, so that the surface cleaning efficiency of the carborundum groove is improved, and the machining speed is reduced.

The utility model discloses an automatic deburring device for a bearing bush blank, and particularly relates to the technical field of deburring, the automatic deburring device comprises a deburring frame, a sliding plate and a supporting block, the sliding plate is located above the deburring frame, the supporting block is fixedly located on the outer wall of the sliding plate, and a displacement deburring assembly is arranged on the upper surface of the supporting block; the displacement deburring assembly comprises a displacement motor, a displacement block, a frame table, a rotating motor, a rotating shaft, a transmission shaft and a plurality of diamond abrasive belts. The displacement motor is fixed to the upper surface of the supporting block, and the displacement block is fixed to the output end of the displacement motor. The displacement deburring assembly is adopted, the displacement motor drives the displacement block to rotate forwards and backwards in a reciprocating mode, the rotating motor enables the rotating shaft to rotate forwards and backwards in a reciprocating mode, a plurality of diamond abrasive belts can transversely move to conduct deburring on a plurality of bearing bush blanks from different angles and directions, the deburring directions are more, and the deburring effect is better.

The utility model discloses a diamond grinding wheel grinding clamp, which relates to the technical field of grinding clamps and comprises a base, a limiting plate is mounted at the upper end of the base, a connecting box is mounted at the upper end of the limiting plate, a top plate is mounted at the upper end of the connecting box, and sliding plates are mounted at four corners of the lower end of the top plate. Sliding boxes are installed at the four corners of the upper end of the base correspondingly, a connecting block is installed in the center of one side of the top plate, a spiral barrel is arranged on one side of the upper end of the base, a spiral rod is installed in the spiral barrel, a gear is installed on one side of the spiral barrel, and a stepping motor is arranged at the lower end of the gear. The diamond grinding wheel grinding clamp has the advantages that the diamond grinding wheel grinding clamp can quickly clamp and fix a workpiece, and the height of the workpiece can be adjusted, so that the diamond grinding wheel grinding clamp can collect scraps and waste liquid generated during grinding, can quickly discharge the scraps and the waste liquid, and is convenient to clean.

The invention belongs to the field of diamond grinding wheel machining, and particularly discloses a diamond grinding wheel for V-shaped groove machining and a machining system and method.The diamond grinding wheel comprises a grinding wheel base body, a grinding wheel cover, single crystal diamond abrasive particles and a reflecting mirror; a radial cylindrical low-light-path channel is machined in the grinding wheel base body, and the channel extends from the center of the grinding wheel to the area close to abrasive particles in the circumferential direction in the radial direction. The single crystal diamond abrasive particles are directionally adhered along the side surface of one circle of the grinding wheel according to the uniform direction and the equal circumferential distance, and one single crystal diamond abrasive particle is adhered to the tail end of each channel; the adjacent sharp ridges of the single crystal diamond abrasive particles jointly form a V-shaped forming blade with a uniform included angle; the reflecting mirror is installed in the center of the grinding wheel cover or close to the center of the grinding wheel cover.

The utility model discloses a diamond grinding wheel forming device, which belongs to the technical field of grinding wheel forming devices and comprises a water tank, the top of the water tank is fixedly connected with the same fixing plate through four fixing rods, the top of the fixing plate is fixedly connected with a support, and two first hydraulic rods are arranged on the support in a penetrating manner. The bottoms of the two first hydraulic rods are fixedly connected with an upper module, a semiconductor chilling plate is embedded in the bottom of the inner wall of the water tank, and one side of the bottom of the inner wall of the water tank is fixedly connected with a water pump. Through the combined action of a water tank, a semiconductor chilling plate, a water pump, a guide pipe and a backflow pipe, flowing cold water is used for keeping the low-temperature effect of a water body in a cavity plate, the cooling effect on a diamond grinding wheel is improved, through arrangement of a second hydraulic rod, a movable plate, a convex disc and a through hole, the diamond grinding wheel is conveniently driven to move out of an annular plate after die-casting cooling, and the die-casting effect of the diamond grinding wheel is improved. Therefore, the diamond grinding wheel can be conveniently taken down.

The present application relates to abrasive tool technology field, especially to a kind of prefabricated double-layer hollow particle porous metal-ceramic composite binder diamond grinding wheel and its preparation.The double-layer hollow particle provided by the present application is sequentially center cavity, ceramic binder layer and brazing alloy layer from inside to outside.The present application is used in the preparation of porous metal-ceramic composite binder diamond grinding wheel working layer section by prefabricating double-layer hollow particle, and the adjustment of porosity and the arrangement of pore structure of porous diamond grinding wheel can be realized, while improving porosity, increasing chip space, maintaining the strength of the grinding wheel, meeting the high quality processing requirements of different hard and brittle materials.

The invention discloses a diamond grinding wheel surface topography geometric modeling method based on a discrete element method, which comprises the following steps: measuring the geometric dimension of a diamond grinding wheel, and defining the geometric model dimension of the grinding wheel; a discrete element particle grinding wheel model is generated in EDEM software, and particles are bonded through Bonding bonding keys to establish a grinding wheel initial model; according to grinding wheel surface topography measurement and grinding wheel granularity calculation, the average distance between abrasive particles is obtained; defining a single abrasive particle model, dividing grids for the geometric model of the grinding wheel, and establishing cube virtual grids; initial positioning abrasive particle central surfaces are located at all vertexes of the outer surfaces of the virtual grids, and abrasive particle poses move in the virtual grids; polygonal abrasive particles are generated in EDEM software, a cuboid binding agent base body is established, the plane of the cuboid binding agent base body is defined to be in the center coordinate plane of an abrasive particle external connection ball, the abrasive particles and the binding agent base body are bonded through a Bonding key, and a grinding wheel three-dimensional geometrical morphology model is formed; and determining a three-dimensional geometrical morphology model of the grinding wheel according to the actual grinding particle exposure height and the moving grinding particle meeting conditions. According to the method, multi-shape single abrasive particles are adopted, abrasive particle sizes, abrasive particle intervals and abrasive particle distribution are considered, the grinding wheel surface appearance model is established through EDEM discrete element software, the area density deviation between the model and actual cup type grinding wheel abrasive particles is within 2%, the grinding wheel and the surface abrasive particles are bonded through Bonding keys, and the grinding performance and result of the grinding wheel can be evaluated and predicted more accurately.

The present invention relates to the technical field of tile adhesives and discloses a crack-resistant, super-strong, and highly flexible diamond grit carbon fiber tile adhesive and a preparation method thereof. The tile adhesive comprises 35-40 parts by weight of cement, 60-65 parts by weight of sand, 0.1-0.8 parts by weight of nano-silicon dioxide-modified carbon fibers, and 1.5-4 parts by weight of diamond grit. The carbon fibers of the present invention are surface-grafted with nano-silicon dioxide and have excellent compatibility with cement and sand, allowing for uniform dispersion in the tile adhesive matrix. This significantly improves the mechanical properties of the tile adhesive, exhibiting high tensile adhesive strength, compressive strength, and flexural strength, thereby improving the crack resistance and flexibility of the tile adhesive.

The utility model provides a metal diamond grinding wheel for quartz stone polishing, which belongs to the technical field of diamond grinding wheels and comprises a hub and a mounting ring, a mounting hole is formed in the side face of the hub in a penetrating manner, a key groove is formed in the mounting hole in a penetrating manner, and eight first threaded holes are uniformly formed in the annular surface of the hub. Eight first threaded holes are formed in the annular side face of the mounting ring, first inner hexagonal studs are in threaded connection with the interiors of the eight first threaded holes, eight counterbores are evenly formed in the annular side face of the mounting ring, the inner diameters of the eight counterbores are concentric with the inner diameters of the first threaded holes, and the eight first inner hexagonal studs are slidably connected into the counterbores. By arranging the buffer device, when the quartz stone collides with the diamond grinding wheel, the quartz stone and the diamond grinding wheel are buffered through the spring arranged inside the buffer device, so that the service life of the diamond grinding wheel is prolonged, and the problem that the working efficiency is affected due to the fact that the grinding wheel cannot work in the dressing period is solved by arranging the double-layer diamond grinding wheel.

A grinding wheel dressing tool with hollow spheres preferably includes a tool shank and a dressing portion. The tool shank preferably includes a shank portion and a tool body. The shank portion extends from one end of the tool body and a dressing portion cavity is formed in an opposing end. The dressing portion preferably includes a quantity of diamond grit, metal bond powder, binder and a plurality of hollow spheres. The dressing portion cavity is preferably filled to a top with metal bond powder. The diamond grit, the metal bond powder and the binder are mixed together to form a grit mixture. A tubular mold is slipped over a top of the tool body. The dressing portion is created by forming alternative layers of grit mixture and hollow spheres in the tubular mold. The tubular mold is heated and the grit mixture pressed with a plunger.

The invention relates to the field of machine manufacturing, and particularly discloses a metal-based ceramic bond diamond grinding wheel and a preparation method thereof.The metal-based ceramic bond diamond grinding wheel comprises the following raw materials of a diamond grinding material, a reinforcing phase and a composite bond; wherein carbon fibers are selected as the reinforcing phase, the composite binding agent comprises a metal binding agent and the balance of ceramic binding agent, and the ceramic binding agent comprises the following raw materials of calcium fluoride, aluminum fluoride, lithium borate, boric acid and the balance of silicon dioxide; the preparation method comprises the following steps: S1, premixing the diamond grinding material and the reinforcing phase, then adding the composite binding agent, spraying a polyvinyl alcohol solution after mixing, and mixing and granulating to obtain granules; s2, the granules are loaded into a mold to be subjected to hot press molding to obtain a grinding wheel blank; and S3, sintering the grinding wheel blank at high temperature to obtain the metal-based ceramic bond diamond grinding wheel. The emery grinding wheel has the advantages that the abrasion resistance and the impact resistance of the grinding wheel are improved, and then the service life of the emery grinding wheel is prolonged.

The utility model discloses a diamond grinding wheel mold with a water tank, relates to the technical field of diamond grinding wheel mold structures, and aims to solve the problem that the forming effect of a diamond grinding wheel is poor due to the fact that an existing diamond grinding wheel mold cannot be pretreated during forming. A forming die base is installed above the supporting workbench, a forming groove is formed in the forming die base, a positioning through groove is formed in one end of the forming groove, a connecting base is arranged at one end of the outer wall of the forming die base, a heating chamber is arranged in the forming die base, and a heating pipe is installed in the heating chamber. A positioning supporting frame is arranged on one side of the upper end of the forming die base, supporting rods are installed at the two ends of the forming die base correspondingly, a transverse installation frame is installed at the upper ends of the supporting rods, a hydraulic cylinder is installed at one end of the transverse installation frame, an extrusion base is installed below the hydraulic cylinder, and an air cylinder is installed below the supporting workbench. And a material pushing rod is mounted above the air cylinder.

The invention discloses an automatic diamond grinding wheel trimming and balancing device of an optical glass edge grinding machine, and relates to the technical field of optical glass edge grinding equipment.The automatic diamond grinding wheel trimming and balancing device comprises an equipment base, a driving mechanism and a balance monitoring module, a supporting base, an intelligent control box, a sliding rail and a support are arranged on the equipment base, and the driving mechanism is installed on the inner side of the support and connected with a grinding wheel disc body; the balance monitoring module is installed in the center of the sliding rail, the intelligent control box and the support are provided with trimming discs with handle adjustment, and the driving mechanism clamps a grinding wheel through a motor, a fluted disc and other transmission structures; the variable speed motor drives the grinding wheel to rotate, the dressing discs on the two sides conduct synchronous grinding, the balance monitoring module captures unbalanced pressure fluctuation of the grinding wheel in real time and feeds back and early warning, synchronous linkage of dressing and monitoring is achieved, machining errors are avoided, and the optical glass edge grinding precision and the finished product percent of pass are improved.

The application discloses a preparation method of a high-entropy alloy laser brazing single-layer diamond grinding wheel, and comprises the following steps: a grinding wheel steel base material is mechanically processed to obtain a grinding wheel steel base; Cr, Cu, Ni-Cr-B-Si and Ti powders are ball milled to prepare high-entropy alloy powder as a brazing filler metal; a tool forming blank is prepared in the order of the grinding wheel steel base as the bottom layer, the brazing filler metal as the middle layer and diamond abrasive particles as the upper layer; the brazing filler metal is heated to melt by laser in an inert gas environment; after cooling, the diamond abrasive particles are brazed and fixed on the surface of the grinding wheel steel base to obtain the single-layer diamond grinding wheel. After laser brazing, interface reaction between the surface of the diamond abrasive particles and the molten high-entropy alloy occurs, a metal carbide layer which is firmly combined with the surface of the diamond is formed, firm chemical and metallurgical bonding between the diamond and the brazing filler metal is generated, and thus the single-layer diamond grinding wheel is prepared, and the single-layer diamond grinding wheel has the advantages of good wettability of the brazing filler metal to the diamond, high production efficiency and small thermal damage of the diamond.

The application belongs to the technical field of laser welding equipment, and particularly discloses a laser welding device for diamond grinding wheel processing, which comprises a welding table, a mounting plate fixedly connected to the top of the welding table, and a laser welding gun mounted on the mounting plate; a rotating disc horizontally mounted on the top of the welding table; a fixing device comprising a chuck, a pressing rod, a clamping block and a driving assembly, the chuck being horizontally mounted on the top of the rotating disc and coaxial with the rotating disc, the top of the chuck being provided with a grinding wheel to be welded, the top surface of the chuck being uniformly and annularly provided with three mounting grooves, and the pressing rod and the clamping block being slidingly mounted in the mounting grooves. Through the linkage of the driving shaft, the screw rod, the shaft sleeve and other structures, the synchronous action of the inner and outer clamping is realized by single-power driving, the structure is compact and stable, the clamping efficiency is high, the device is suitable for the quick clamping of diamond grinding wheels of multiple specifications, and the complexity and the debugging difficulty of the device are reduced.