197 results about "Diamond grinding" patented technology

The utility model discloses a diamond grinding brush applied to glass and ceramics, and relates to the technical field of diamond grinding brushes, the diamond grinding brush comprises a mounting disc and a diamond brush head, the front surface of the mounting disc is provided with a front positioning groove, the back surface of the mounting disc is provided with a back positioning groove, and the back surface of the diamond brush head is fixedly provided with a connecting plate; a connecting block is fixedly installed on the side, away from the diamond brush head, of the connecting plate, an inserting hole is formed in the inner side of the connecting block, and the side, close to the connecting block, of the diamond brush head is inserted into the inner side of the front positioning groove. By the adoption of the structure, after the clamping spring and one fixing bolt are taken down, the limiting frame is pulled out, and at the moment, the spring in the mounting cavity resets to push the limiting plate to move and drive the insertion block to be separated from the insertion hole of the connecting block, so that the diamond brush head can be conveniently and rapidly disassembled, assembled and replaced.

The utility model discloses an automatic trimming module for a grinding wheel of a grinding machine, which relates to the technical field of grinding machines, has the advantage of automatically trimming the grinding wheel on the grinding machine, and is characterized in that the automatic trimming module comprises a working table, a vertical plate is vertically arranged at the top end of the working table, and a grinding assembly for grinding a workpiece is arranged on the vertical plate; the top end of the workbench is horizontally and slidably connected with a machining base used for containing a workpiece through a moving part, and two diamond grinding bowls used for grinding a grinding wheel in the grinding assembly are arranged on the portion, on one side of the machining base, of the workbench.

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 relates to the technical field of repairing devices, and discloses a diamond grinding wheel repairing device which comprises a bottom plate table, repairing tables are symmetrically arranged above the bottom plate table, a driving sliding column is fixedly installed above the bottom plate table, a lifting support is slidably connected to the inner wall of the driving sliding column, and a control box is fixedly connected to the top of the lifting support. A manipulator is fixedly connected to the lower portion of the control box, a diamond pen is fixedly connected to the lower portion of the manipulator, a clamping and overturning assembly is arranged on the surface of each repairing table, an inclined assembly is arranged at the bottom of each repairing table, and the inclined assemblies can drive one ends of the two repairing tables to incline downwards. The driving device can drive the ends, close to each other, of the two repairing tables to incline downwards to form an inverted V shape, an inclined face is provided for scrap cleaning, scraps generated by polishing and repairing the surfaces of the repairing tables smoothly fall off along the inclined face, and the working environment is kept clean.

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 utility model discloses a multi-petal elastic grinding wheel for grinding and repairing an outer chamfer of an aluminum oxide porcelain tube, which belongs to the technical field of aluminum oxide porcelain shell processing and comprises a grinding wheel base body. One end of the grinding wheel base body is connected with a chamfering machine power rotating shaft, and the other end is provided with a plurality of grinding wheel strips through fixing pieces. The grinding wheel strips are of a bowl-shaped structure and tend to expand from one side of the grinding wheel base body to the other side of the grinding wheel base body. When the ellipse shape of the end face of a product is irregular, the side edges of the end face make contact with the split elastic grinding wheel strips at the corresponding positions respectively and generate corresponding deformation, grinding and repairing of the outer chamfer of the oval aluminum oxide ceramic tube are achieved, and the multi-petal grinding wheel diamond grinding strips can effectively make contact with the outer edges of the ceramic tube no matter the diameter of the aluminum oxide ceramic tube and the ellipticity of the end face. And the outer chamfer of the end face is ground, so that the uniformity and consistency of the outer chamfer processing of the end face of the elliptical aluminum oxide porcelain tube are fully ensured.

The invention discloses easy-to-disperse diamond grinding fluid and a preparation method thereof, and relates to the technical field of grinding fluid. The easy-to-disperse diamond grinding fluid is prepared from the following raw materials in parts by weight: 1 to 20 parts of modified diamond micro powder, 40 to 80 parts of deionized water, 1 to 10 parts of polyethylene glycol 6000, 0.5 to 1.2 parts of sodium carboxymethyl cellulose, 1 to 20 parts of glycerol, 1 to 10 parts of triethanolamine, 0.3 to 0.7 part of sodium polyacrylate, 0.05 to 5 parts of 1, 2-benzisothiazolin-3-ketone and 1 to 10 parts of a modified silane coupling agent. According to the easy-to-disperse diamond grinding fluid, through the synergistic effect of the modified diamond micro powder and the modified silane coupling agent, the dispersity is excellent, and the stability is high; the formula is scientific, polyethylene glycol and other assistants are matched, precise process parameters and graded filtration are combined, the grinding efficiency is high, the surface smoothness of a workpiece is good, the antibacterial property and storage stability are good, and the application scene is wide.

The utility model discloses a kind of grinding devices for artificial diamond processing belongs to grinding technical field, wherein, including box, grinding chamber is arranged in the box, the inner wall of the grinding chamber is fixedly connected with first bearing on one side, rotatingly connected with rotating rod in the first bearing, the one end of the rotating rod is fixedly connected with grinding disc, the one side of the grinding chamber is fixedly connected with first shell, first driving motor is fixedly connected in the first shell, the output shaft of the first driving motor is fixedly connected with the shaft end of rotating rod, by first driving motor work, by rotating rod drive grinding disc rotation, to reach the purpose of artificial diamond grinding, by second driving motor work, by rotating shaft drive screw rod rotation, so that threaded block and artificial diamond can be moved to observation room, convenient to observe and grind, by setting square frame, debris generated in grinding is dropped into collecting box by gravity effect.

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 relates to the technical field of grinding disc, especially a sintered diamond grinding disc structure, including base, the side end face of base is equipped with the limit groove, the inside fixed placement of limit groove has the base material ring, the outside one end of base material ring integrally sintered has a plurality of groups of billets, this sintered diamond grinding disc structure has solved the shortcoming that the grinding disc integral structure leads to the greater production difficulty in the prior art.

The invention relates to the technical field of high polymer materials, in particular to a preparation method of bio-based epoxy resin and application of the bio-based epoxy resin in a diamond cleaning pad, the preparation method comprises the steps that tannic acid is dissolved in tetrahydrofuran, then bio-based 1, 5-pentamethylene diisocyanate and an organic tin catalyst are added, and isocyanate-terminated tannic acid is obtained; and re-dissolving the isocyanate-terminated tannic acid in tetrahydrofuran, and adding glycidol and an organic tin catalyst to obtain the tannic acid-based bio-based epoxy resin. On one hand, all bio-based raw materials react to form a bio-based epoxy resin structure, abrasive dust generated in grinding and polishing construction is healthy in chemical component and has the advantages of being environmentally friendly and healthy; on the other hand, due to the rigid multi-benzene-ring structure, the polyurethane structure and the polyhydroxy structure, the cured product has excellent mechanical strength and toughness and also has high temperature resistance and cohesiveness, and the obtained diamond grinding tool has good polishing precision and polishing efficiency and long service life.

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 frock clamp for electroplating diamond grinding wheel, which comprises a grinding wheel body and a mounting seat, the grinding wheel body comprises a clamping ring and a through groove, the clamping ring is mounted on the surface of the grinding wheel body, and the through groove is formed in the grinding wheel body in a penetrating manner; the mounting base is connected with a protective cover through a limiting piece, a clamping assembly is arranged on the inner side of the protective cover and comprises a supporting block installed on the inner side of the protective cover, an arc-shaped piece is rotationally connected to the supporting block, a clamping block is arranged on the inner side of the arc-shaped piece, and the clamping block is matched with the clamping ring. According to the tool clamp for electroplating the diamond grinding wheel, the surface of the grinding wheel body can be protected through the protective cover, the problem that the grinding wheel body is damaged due to the influence of the external environment in the using process is solved, the clamping ring is rapidly clamped and fixed through the clamping blocks on the supporting blocks, and the problem that limiting is unstable due to the fact that a sealing gasket is used is solved; and the overall use efficiency is improved.

The utility model discloses a diamond grinding tool, and mainly relates to the field of diamond cutters. Comprising at least one base plate, the base plate is of a bent structure, a plurality of welding holes are evenly formed in the base plate at intervals, diamond is brazed in the welding holes, and the bent face of the base plate is the using face of the grinding tool. The diamond welding structure has the advantages that the diamond can be automatically embedded into the welding holes along the outer contour of the base plate in the floating process of the diamond in the brazing filler metal through the bending structure, agglomeration of the diamond can be avoided, the diamond can be arranged in order according to distribution of the welding holes, and in addition, after the diamond on the top layer is ground off, the diamond welding quality is improved. And the bottom is exposed, so that the grinding tool does not need to be sharpened, and the normal use of the grinding tool is ensured.

The utility model relates to a technology field of hot drilling processing, especially a kind of feeding device of hot drilling grinding and polishing processing.Its technical scheme includes: material collecting frame, both sides of the material collecting frame are provided with support, the left side of the support in left side is provided with motor one, the output end of the motor one extends to between two supports and is provided with feeding frame, the bottom surface of the feeding frame is provided with discharge chute.The utility model can control the lifting of the material separating plate by setting adjusting frame to connecting plate, so that the hot drilling needing grinding and polishing can be isolated or discharged, the hot drilling needing grinding and polishing can be placed neatly by setting feeding frame to drill groove, then unified grinding and polishing is carried out, processing efficiency is improved, the hot drilling can be stably placed in the drill groove on the receiving plate by setting motor three to scraper, the hot drilling keeps consistent state upwards, the hot drilling after processing is conveniently discharged by setting motor two and receiving plate, and convenience is improved.

The application discloses a kind of carbon fiber pipe cutting machine, including machine case, cutting machine main body, fixture mechanism, support frame, sorting box, detection mechanism, pneumatic slide, sorting mechanism;Machine case is fixed on support frame, cutting machine main body is arranged in the inside of machine case, cutting machine main body includes diamond grinding wheel, cooperates longitudinal cutting feed mechanism, carries out cutting operation to workpiece;Pneumatic slide is installed on support frame, fixture mechanism is installed on pneumatic slide;Pneumatic slide is same with workpiece feed direction, pneumatic slide passes through machine case and pneumatic slide end is fixed on sorting box, fixture mechanism is cut along pneumatic slide Workpiece is transported to the corresponding position of cutting machine main body in the inside of machine case and is cut, and workpiece is transported to sorting box after cutting is completed;Detection mechanism and sorting mechanism are set on sorting box, for detecting and sorting to workpiece after cutting is completed.The application is applied to visual calibration carbon fiber pipe cutting, cutting precision is high, cost is low, production efficiency is high.

The application discloses a preparation method of a high-strength ceramic diamond grinding head containing polysilazane, and relates to the technical field of abrasive tool manufacturing. The method aims to solve the problems of poor self-sharpening, insufficient heat resistance, weak bonding force, high sintering energy consumption and easy damage to workpieces of traditional metal, resin and conventional ceramic binder diamond grinding heads. The method comprises the following steps: removing impurities from diamond, adding silicon carbide and oxides according to a specific ratio to prepare a precursor, adding a certain mass fraction of modified polysilazane and a dispersing agent, and finally obtaining the grinding head through gradient heating and sectional sintering in a nitrogen atmosphere after pressure forming. The gradient sintering and inert protection can avoid graphitization of the diamond and defects of the blank. The grinding head prepared by the method has high compressive strength, a dense and gap-free bonding interface, excellent Vickers hardness and abrasive holding force.

The invention relates to agglomerated diamond powder and a preparation method thereof, and the agglomerated diamond powder comprises the following components in percentage by weight: 40-60% of diamond micro-powder with the particle size of 1.5-5 microns and 40-60% of a ceramic bond, the ceramic bonding agent is prepared from the following components in percentage by weight: 35 to 42 percent of B2O3, 15 to 20 percent of Al2O3, 15 to 20 percent of SiO2, 6 to 8 percent of alkaline activating agent, 1 to 3 percent of rare earth oxide, 6 to 7 percent of Si, 1 to 3 percent of TiC, 2 to 3 percent of MnO and 3 to 4 percent of Cr2O3; 1%-2% of CeO2 and 0.5%-1% of V2O5. It can be known from the table 4 that a grinding wheel prepared from the agglomerated diamond powder prepared through the method has good grinding performance, the bending strength ranges from 55 MPa to 60 MPa, the Vickers hardness ranges from 67 HRB to 75 HRB, and the grinding ratio ranges from 736 to 789. The agglomerated diamond powder disclosed by the invention can be used for diamond grinding liquid, and is matched with grinding leather to process hard and brittle materials such as sapphire wafers, silicon carbide wafers and functional ceramics; and the cutting fluid is matched with cutting fluid to process hard and brittle materials such as glass ceramic cover plates, sapphire wafers and silicon carbide wafers.

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 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 invention belongs to the technical field of semiconductor crystal processing, and relates to a method for rapidly improving the bending and warping degree of a large-size gallium nitride substrate through an N-surface etching process. The method comprises the following steps: carrying out coarse grinding, leveling and thinning on a GaN crystal by using a large-particle-size diamond grinding liquid; grinding the Ga surface and the N surface of the GaN substrate by using small-particle-size diamond grinding liquid to reduce the surface roughness; performing N-surface etching in an alkali solution; ga surface chemical mechanical polishing; and cleaning and drying. According to the method for optimizing the surface shape precision of the GaN substrate through N-surface etching, the surface shape error is rapidly corrected by means of the anisotropic characteristic of the GaN material, and the time needed for surface shape correction by depending on pure mechanical polishing traditionally is remarkably shortened; the etching can completely eliminate the residual subsurface damage layer after fine grinding, provides a more ideal initial surface for CMP, and is beneficial to obtaining a more perfect final surface. The wet etching process is easy to realize uniform processing of a large-size wafer, and is beneficial to expansion of the process to a larger-size GaN substrate.

The sliding workbench of the diamond grinding machine comprises a bottom plate, the top of the bottom plate is fixedly connected with a containing table through a support, the top of the containing table is fixedly connected with a shell, a first groove is formed in the top of the shell, and an inner cavity of the first groove is slidably connected with a movable block; the top of the movable block is fixedly connected with a workbench body. Materials needing to be ground can be placed through the first grinding groove block and the second grinding groove block, when the materials need to be ground, the grinding machine body is controlled to grind the materials in the first grinding groove block, and after the materials in the first grinding groove block are ground, the motor is controlled to rotate reversely; and the workbench body moves leftwards under the action of the threaded groove, the guide block and the guide groove, so that the second grinding groove block can move to the position under the grinding machine body, and materials in the second grinding groove block can be ground through the grinding machine body.

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.

The utility model provides a semiconductor diamond grinding disc with a self-cleaning function, and relates to the technical field of diamond grinding discs, the semiconductor diamond grinding disc comprises a diamond grinding disc main body, a mounting box is fixedly mounted at the top of the diamond grinding disc main body, and a storage battery is fixedly mounted on one side of the mounting box; a connecting sleeve is fixedly mounted at the top of the mounting box, and a first rotating shaft is rotationally mounted on the inner wall of the top of the mounting box; after the rotating disc rotates, the limited limiting sliding frame can be driven to move through a plurality of connecting rockers, after the limiting sliding frame moves, a second rotating shaft above the limiting sliding frame can rotate through cooperation of a transmission gear and a rack, and the second rotating shaft can drive a swing frame to turn over after rotating. At the moment, the air pump can be controlled to supply air to the air outlet nozzle through the air transmission hose, and the air outlet nozzle can achieve self-cleaning on the outer surface of the diamond grinding disc body through high-pressure air.

According to the chamfering device and the chamfering method, through cooperation of the rack, the chamfering grinding disc, the chamfering clamp, the motor and the sand inlet pipe, a to-be-processed product loaded on the chamfering clamp is ground through sand liquid in a moving state to form a chamfer, so that chamfering machining is completed, and due to the fact that sand liquid dynamic grinding is not in rigid contact, the grinding efficiency is greatly improved; therefore, a relatively flexible processing effect is achieved; different from rigid contact of a traditional diamond grinding shaft, the chamfering grinding disc does not make contact with a to-be-treated product, force is applied to the to-be-treated product through sand liquid in a moving state, so that the capacity of the to-be-treated product for resisting external load deformation is greatly improved, stress is reduced, the surface crack problem is not prone to occurring, and the chamfering device is particularly suitable for crystal chamfering machining. And the rotating speed of the chamfering millstone and the flow of the sand liquid are easy to control, so that the high-precision machining effect of the to-be-treated product is further realized by matching with flexible machining and a low-stress effect, and meanwhile, the machining yield, the machining efficiency and the machining quality of the to-be-treated product are improved.

The present application relates to the field of diamond grinding equipment, in particular to a single crystal diamond nanometer level profile grinding equipment, a nanometer air floatation C shaft is installed on the top of the upper end of the marble bed body, vibration-free rotating arc is ensured, the rotating precision is controlled to be below 30 nanometers, a fine adjustment X direction base is installed on the upper end of the nanometer air floatation C shaft, a coarse and fine differential head is installed on the fine adjustment X direction base, a fine adjustment Y direction base is installed on the upper end of the coarse and fine differential head, a planetary main shaft is installed on the side of the upper end of the marble bed body corresponding to the fine adjustment shaft, an air floatation main shaft is installed on the front of the planetary main shaft, the air floatation main shaft is arranged on the eccentric side of the front of the planetary main shaft, and a grinding wheel is installed on the air floatation main shaft, so that the air floatation main shaft can rotate while the planetary main shaft moves simultaneously, revolution and rotation are realized, tools are simultaneously ground, each direction of the single crystal diamond is adapted, uniform grinding is realized, and super-precision profile grinding is achieved.

The invention relates to a single-layer abrasive particle diamond grinding wheel surface topography random generation method, which realizes the digital generation of the grinding wheel surface topography by establishing an abrasive particle size distribution, space distribution and exposure height three-dimensional parameter model based on the idea of combining statistical modeling and random simulation. By introducing truncated normal distribution to form an abrasive particle size distribution function and applying a three-dimensional random bias vector, random features of the size and position of the abrasive particles on the surface of the diamond grinding wheel are truly represented, the authenticity and applicability of the model are remarkably improved, the accuracy of the characterization modeling technology is improved, and the method is suitable for large-scale popularization and application. And the technical defect of machining damage caused by random distribution of the abrasive particles can be overcome.

To provide a lightweight grindstone for a roll sharpener having a structure that can be easily manufactured. [Solution] The roll sharpener grinding wheel of the present invention comprises two curved, dome-shaped diamond grinding wheels, one on the left and one on the right, each with a polygonal cross-section hole in the center; a roughly truncated cone-shaped plastic disk, which has a polygonal cross-section hole in the center and is fitted inside the diamond grinding wheels; and a support part that is inserted into the through-holes to support the two diamond grinding wheels and two plastic disks, with the plastic disks fitted inside each of the two diamond grinding wheels and the grinding faces of the two diamond grinding wheels facing each other, and the cross-section of the support part is the same shape as the cross-section of the through-holes in the two diamond grinding wheels and the two plastic disks.