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480 results about "Diamond grinding" patented technology

Diamond grinding is a grinding process that can be applied to a variety of surfaces including floors, stones and engineering ceramics. It takes advantage of the fact that diamond has the highest hardness of any bulk material.

Metallic bond diamond grinding wheel, preparation method thereof and thinning method

The invention belongs to the technical field of grinding, and particularly relates to a metallic bond diamond grinding wheel, a preparation method of the metallic bond diamond grinding wheel and a thinning method. The diamond grinding block comprises a porous diamond grinding material, a metal binding agent and a pore forming agent. The porous diamond abrasive is prepared by carrying out a thermochemical corrosion method on diamond; the metal bonding agent comprises copper-tin alloy powder, graphite powder, nano Al2O3, cadmium powder and polyimide resin. Compared with the prior art, the problem that in the prior art, the thinning technological parameters of the grinding wheel are not suitable for the novel grinding wheel with the fine granularity is solved. According to the scheme, the novel grinding wheel with the fine granularity is provided, the thinning parameters are researched on the basis of the novel grinding wheel, and therefore better machining efficiency and silicon wafer surface quality can be obtained under the grinding wheel and the thinning process parameters.
Owner:郑师光

Abrasive particle texturing diamond grinding wheel preparation method and device

The invention discloses a preparation method and device for an abrasive grain texturing diamond grinding wheel. According to an existing diamond grinding wheel, diamond abrasive particles are bonded through a binder, and ideal surface micro-texture morphology is difficult to machine. According to the method, the diamond covering layer is formed on the outer surface of the metal matrix through chemical vapor deposition, and laser ablation is carried out, so that the regular diamond micro-texture morphology is machined, and the grinding quality is improved. Moreover, the diamond covering layer is formed on the surface of the metal matrix matched with the ground surface through chemical vapor deposition, and the diamond grinding wheel with the complex surface appearance is obtained, so that the grinding efficiency and precision of the complex surface are improved; meanwhile, the diamond covering layer formed through chemical vapor deposition is of an integrated structure on the molecular level, and compared with a conventional grinding wheel with each abrasive particle being of an independent structure, the abrasion resistance of the diamond grinding wheel can be greatly improved, and the problem that the grinding precision is reduced due to the fact that the grinding wheel is shrunk is relieved and even eliminated.
Owner:HANGZHOU DIANZI UNIV

Steel template surface polishing device

The invention provides a steel formwork surface grinding device. The steel formwork surface grinding device comprises a wall-climbing robot, a mounting mechanism and a grinding mechanism. The wall-climbing robot is provided with an installation position, the installation mechanism comprises a frame assembly and a driving assembly, the frame assembly is detachably connected to the installation position, the driving assembly is installed on the frame assembly, the grinding mechanism comprises a first flange, a rotating rod, an end plate, a steel wire grinding piece and a diamond abrasive grinding piece, one end of the rotating rod is fixedly connected with the first flange, and the other end of the rotating rod is fixedly connected with the end plate. The steel wire grinding piece and the diamond grinding piece are both installed on the end plate, the steel wire grinding piece is arranged on the outer side of the diamond grinding piece in a surrounding mode, and the first flange can be connected to the driving assembly so that the driving assembly can drive the grinding mechanism to rotate. In this way, the grinding mechanism is driven to rotate through the driving assembly, and the wall-climbing robot moves on the to-be-ground steel formwork, so that concrete sticky skin and rust on the steel formwork can be cleaned up.
Owner:CCCC FIRST HARBOR ENGINEERING CO LTD +2

Grinding equipment and grinding method for metal cutting milling cutter machining

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.
Owner:CHANGZHOU QINGYING MASCH MFG CO LTD

Multi-station diamond grinding numerical control machine tool

The invention provides a multi-station diamond grinding numerical control machine tool, and relates to the technical field of diamond grinding, the multi-station diamond grinding numerical control machine tool comprises a vertical plate, the surface of the vertical plate is fixedly connected with a bottom table, a working table, a top table, an air pump, a diamond detector and a wiping block in sequence from bottom to top, and the multi-station diamond grinding numerical control machine tool further comprises a plurality of linear sliding tables arranged between the top table and the working table in an annular array; dD direct-drive multi-axis mechanical arms are installed on the sliding table surfaces of the linear sliding tables, rotary grinding discs are arranged on the surfaces of the workbenches, liquid supply pipes are arranged above the rotary grinding discs, liquid outlet adjusting pieces are arranged in the liquid supply pipes, air return cylinders are arranged on the surfaces of the liquid supply pipes, and first restraint rings and second restraint rings are arranged on the surfaces of the workbenches. A filtering piece is arranged on the surface of the top table; according to the diamond grinding device, the air wall is formed above the rotary grinding disc, dust generated in the diamond grinding process and splashing grinding fluid or grinding agents can be effectively limited in one area, and therefore the device can be cleaned conveniently, and by-products can be collected and treated conveniently.
Owner:HANGZHOU TAIPU MASCH TECH CO LTD

A cold pressing and forming device for the production of a metal-bonded diamond grinding wheel

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.
Owner:HENAN ZHONGMO DIAMOND TOOLS CO LTD

Method for predicting service life of diamond grinding wheel for spiral groove grinding of solid carbide cutter

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.
Owner:HARBIN UNIV OF SCI & TECH

Diamond grinding brush applied to glass and ceramic

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.
Owner:LONGXING POLISHING MATERIALS (DONGGUAN) CO LTD

Preparation method of diamond grinding wheel with micro-comb tooth structure with abrasive particle positive relief angle and obtained diamond grinding wheel

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.
Owner:SHANDONG UNIV

Ultrasonic vibration rotary machining air floatation static pressure electric spindle

The invention discloses an ultrasonic vibration rotary machining air floatation static pressure electric spindle which comprises a barrel shell, a hub, a disc-shaped ultrasonic concentrator and a conductive slip ring, a spindle rotor is coaxially and rotatably arranged in the barrel shell, the tail end of the spindle rotor is coaxially sleeved with a motor rotor, and the motor rotor is coaxially sleeved with a motor stator; the outer wall of the motor stator is connected with the inner wall of the barrel shell; the head end of the main shaft rotor is positioned outside the barrel shell; the hub coaxially sleeves the head end of the main shaft rotor; the disc-shaped ultrasonic energy concentrator is coaxially arranged outside the hub in a sleeving mode, the disc-shaped ultrasonic energy concentrator is sleeved with the thin diamond grinding wheel, piezoelectric ceramics are embedded in the disc face of the disc-shaped ultrasonic energy concentrator, and the piezoelectric ceramics are provided with a control system. The hub is coaxially sleeved with the conductive slip ring, and the conductive slip ring is electrically connected with the piezoelectric ceramic. The motorized spindle can effectively solve the problems that an existing motorized spindle cannot be suitable for a high-speed cutting scribing process of a silicon wafer prepared from a third-generation semiconductor material and cannot be adaptively adjusted according to the thickness of the silicon wafer.
Owner:INST OF MACHINERY MFG TECH CHINA ACAD OF ENG PHYSICS

Automatic dressing module for grinding wheel of grinding machine

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.
Owner:JIANGSU KUTE LITHIUM BATTERY INTELLIGENT EQUIPMENT CO LTD

Wafer heavy scratch three-dimensional shape repairing process based on DFG 8560 single-axis accurate grinding mode

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%.
Owner:ANHUI FULLERDE CHANGJIANG SEMICON MATERIALS CO LTD

Stable suspension water-based diamond grinding fluid and preparation method thereof

The invention discloses a stably suspended water-based diamond grinding fluid and a preparation method thereof. The grinding fluid comprises the following components in percentage by mass: 0.4-0.8% of diamond micro powder, 1-5% of a Gemini type polyether quaternary ammonium salt surfactant, 0.1-2% of a pH regulator, 1-6% of a suspending agent, 0.01-0.2% of a preservative, 20-60% of a solvent and 10-40% of deionized water, and the sum of the mass percentages is 100%. The water-based diamond grinding fluid is high in grinding rate, small in TTV and high in grinding material dispersion stability, has the advantage of being not prone to sedimentation compared with a traditional water-based diamond grinding fluid, is safer, more environmentally friendly and easy to clean compared with an oily grinding fluid, and can avoid quality and potential safety hazards caused by temperature rise due to long-time operation.
Owner:FUJIAN YOUDA ENVIRONMENTAL PROTECTION MATERIAL CO LTD

Diamond grinding tool capable of preventing workpiece from being scratched

The invention relates to a diamond grinding tool capable of preventing workpieces from being scratched, and belongs to the field of grinding machining. Comprising a plurality of grinding pieces and a base body, the multiple grinding pieces are arranged on the base body in a winding mode, a gap between every two adjacent grinding pieces is a chip removal water through groove, and the multiple grinding pieces and the multiple chip removal water through grooves form an annular structure; the grinding part is composed of a grinding part base body and a grinding layer, the grinding layer is composed of a binding agent and a plurality of diamond particles, the diamond particles are solidified on the grinding part base body through the binding agent, and the diamond particles are arranged in a single layer in the circumferential direction of the grinding layer in the rotating direction of the grinding tool. According to the grinding tool, falling diamond particles can directly fall into the chip removal and water passing groove and are discharged out of the grinding tool under the action of centrifugal force and cooling water, the diamond particles do not pass through a grinding area any more, the stagnation or rolling or sliding process of the diamond particles between the surface of a grinding tool binding agent and a workpiece is eliminated, and the scratch-free effect of the workpiece is achieved.
Owner:GUILIN GRIND-ACAD MATERIAL TECH CO LTD +1

Rough grinding fluid applied to diamond substrate

The invention is applied to the technical field of semiconductor processing, and discloses a coarse grinding fluid applied to a diamond substrate, which comprises the following components: a diamond grinding material, a suspending agent, a dispersing agent, an antirust agent, a lubricant, a pH regulator and deionized water, the coarse grinding liquid applied to the diamond substrate comprises the following components in percentage by weight: 0.1 to 5 percent of diamond grinding material, 0.01 to 0.5 percent of suspending agent, 0.01 to 5 percent of dispersing agent, 0.1 to 8 percent of antirust agent, 0.5 to 5 percent of lubricating agent, 0.01 to 0.5 percent of pH regulator and 74 to 95 percent of deionized water. According to the coarse grinding liquid applied to the diamond substrate, the type 3 or more diamond grinding materials are selected, the particle size D50 is 20-60 microns, the particle size D100 is smaller than 100 microns, and the surface of the substrate can be smoother while a surface material of the diamond substrate is removed.
Owner:ZHONGJI SEMICON MATERIALS (SHENZHEN) CO LTD

Reciprocating type diamond grinding brush

The utility model discloses a reciprocating type diamond grinding brush, and relates to the technical field of diamond grinding brushes. The reciprocating type diamond grinding brush comprises a base and a plurality of diamond grinding heads, the base is detachably connected with the diamond grinding heads through a connecting assembly, a connecting opening is formed in the center of the base, the connecting assembly comprises a base disc, a connecting hole, a mounting opening, a buckling piece and a screw, and the base is provided with a groove used for mounting the base disc and the connecting hole. The back side of the base disc is provided with a connecting cylinder, the base disc is positioned and installed on the base through the connecting cylinder, the connecting cylinder is nested with the fastener, the screw penetrates through the fastener to be in threaded connection with the connecting cylinder, and the fastener is installed on the installation opening. The diamond grinding head used for grinding is detachable and can be replaced in a targeted mode when a certain area is subjected to eccentric grinding, and it is guaranteed that the grinding effect is kept when the grinding device conducts reciprocating type grinding. Diamond grinding heads arranged in different areas form module assemblies which can be replaced independently.
Owner:QUANZHOU PY DIAMOND TOOLS CO LTD

Method for preparing diamond grinding wheel through binding agent doped with rare earth material

The invention discloses a method for preparing a diamond grinding wheel through a binding agent doped with a rare earth material, and particularly relates to the technical field of diamond grinding wheels, and the method comprises the steps of S1, diamond abrasive particle pretreatment, S2, composite binding agent preparation, S3, gradient charging and S4, spark plasma sintering. According to the method, abrasive particle concentration and density gradient distribution is formed on a grinding wheel working layer through a gradient charging process, and a reinforced reaction layer is formed on a diamond-binding agent interface in combination with a rare earth additive, so that remarkable improvement of the grinding efficiency, great reduction of the abrasive particle falling-off rate and optimization of comprehensive mechanical properties are synergistically realized; and meanwhile, the impact resistance and the heat dissipation capacity are enhanced through the edge strengthening area and the multi-stage pore structure, and the application scene in the high-hardness material machining field is effectively expanded.
Owner:LINYING DECAT NEW MATERIAL CO LTD

Automatic compensable grinding and polishing processing method for hemispherical harmonic oscillator

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.
Owner:HUNAN INST OF ADVANCED TECH +1

Grinding and polishing integrated method and apparatus for diamond wafer

PCT designated stage expiredWO2025030622A1Grinding drivesLapping machinesChemical reactionWafering
A grinding and polishing integrated method and apparatus for a diamond wafer. The method comprises: grinding sequentially with a porous ceramic-based diamond grinding wheel, a resin-based diamond grinding wheel, and a chemical reaction grinding wheel in a grinding stage; and polishing sequentially with a diamond abrasive polishing solution, an alumina abrasive polishing solution, and a titanium dioxide abrasive polishing solution in a polishing stage. The grinding and polishing integrated apparatus comprises a Z-axis feeding device (1), an X-axis reciprocating device (2), a hollow rotating spindle assembly (3), a polishing disc assembly (4), a marble platform (6), a waste liquid pool (7), and a human-machine interaction and control module (8). By means of grinding and polishing in stages, surface roughness of the diamond wafer is reduced step by step, and efficient and ultra-smooth polishing of the diamond wafer of 50-220 mm is implemented, so that an ultra-smooth and flat surface of Ra0.001 can be obtained.
Owner:SHENYANG UNIVERSITY OF TECHNOLOGY

Repairing device for diamond grinding wheel

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.
Owner:CHENG COUNTRY XINYUANCHAOYING MATERIAL PROD CO LTD

Porous metallic bond diamond grinding wheel for SiC thinning and SiC thinning method

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.
Owner:TONGWEI MICROELECTRONICS CO LTD

Numerical control diamond grinding system

Disclosed in the present application is a numerical control diamond grinding system, comprising a machine tool, wherein a machine vision system, a two-degree-of-freedom adjusting portion, a four-degree-of-freedom adjusting portion and a fixture, which are connected to a processor, are provided above the machine tool. The four-degree-of-freedom adjusting portion comprises a Z-axis assembly, an X-axis assembly, a B-axis assembly and an A-axis assembly, wherein the Z-axis assembly is mounted above the machine tool in such a way that the Z-axis assembly moves left and right; the X-axis assembly is mounted on the Z-axis assembly in such a way that the X-axis assembly moves forward and backward; the B-axis assembly is horizontally and rotationally mounted on the X-axis assembly; the A-axis assembly is vertically and rotationally mounted on one side of a connecting base fixedly arranged above the B-axis assembly; and a diamond to be ground is fixed to the A-axis assembly by means of the fixture. The two-degree-of-freedom adjusting portion comprises a Y-axis assembly and a spindle grinding disc, wherein the Y-axis assembly is mounted at one end of the Z-axis assembly in such a way that the Y-axis assembly moves up and down; and the spindle grinding disc is mounted on the Y-axis assembly. The present device can rapidly grind all facets of round diamonds and fancy-shaped diamonds, significantly improving the diamond grinding efficiency, and the present device can perform real-time monitoring on the grinding condition of the diamonds, thereby effectively enhancing the diamond grinding precision.
Owner:ZHENGZHOU SINO CRYSTAL DIAMOND CO LTD

Apparatus and method for synchronous laser-conformal and mechanical dressing of forming surface of diamond grinding tool

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.
Owner:HUNAN UNIV

Modular cup-shaped grinding wheel for curved surface diamond grinding and using method

The invention discloses a modular cup-shaped grinding wheel for curved surface diamond grinding and a using method, and relates to the field of superhard material machining, the grinding wheel comprises a base body, the base body is of a cup-shaped structure, the outer wall of the base body is provided with a plurality of inserting grooves which are evenly distributed at intervals in the circumferential direction, each inserting groove sinks in the normal direction of the outer wall, and the two side faces of each inserting groove can extend downwards and intersect; included angles are formed between the two side surfaces and the bottom surface of the slot; the grinding block is matched with the slot and is mounted in the slot; the pressing plate is of an annular structure, sleeves the outer wall of the base body and is detachably connected with the base body, and the grinding block is pressed by the pressing plate and is detachably connected with the pressing plate; and the grinding material layer is mounted on the lower surface of the grinding block and used for grinding the curved-surface diamond. The brittle fracture process can be regulated and controlled, the grinding capacity of the grinding wheel is improved, the temperature of a grinding area is reduced, the grinding quality is improved, and the method is suitable for manufacturing high-end equipment such as high-power laser windows and spaceflight infrared optical systems.
Owner:HARBIN INST OF TECH

Multi-petal elastic grinding wheel for grinding and repairing outer chamfer of aluminum oxide porcelain tube

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.
Owner:SHAANXI BAOGUANG CERAMIC SCIENCE TECHNOLOGY CO LTD

Multipurpose diamond grinding disc

The utility model discloses a multipurpose diamond grinding disc which comprises a grinding disc base plate, a diamond grinding block is arranged on the surface of one side of the grinding disc base plate, a clamping hole is formed in the middle of the grinding disc base plate, a grinding disc base seat is arranged on the other side of the grinding disc base plate, an installation groove is formed in one side of the grinding disc base seat, and the grinding disc base plate is arranged in the installation groove. An assembling mechanism is arranged in the middle of the abrasive disc base, the clamping holes penetrate through the assembling mechanism, heat dissipation mechanisms are arranged among the abrasive disc base, the abrasive disc base plate and the diamond grinding blocks, the abrasive disc base is of a disc-shaped structure, and the outer circumference of the abrasive disc base on the outer side of the mounting groove is of a cutting face structure. By arranging a series of structures, the abrasive disc base plate and the abrasive disc base are convenient to disassemble and assemble, the damping performance of the abrasive disc is improved, the abrasive disc base is convenient to install, the heat dissipation fins are matched with the through holes and the heat dissipation clamping grooves in the abrasive disc base plate, the heat conduction performance of the heat dissipation fins is utilized, the heat transfer and heat dissipation speed of heat of the abrasive disc base plate and the diamond abrasive blocks is increased, and the service life of the abrasive disc is prolonged. And heat dissipation of the abrasive disc is facilitated.
Owner:ZHENGZHOU RUITE DIAMOND BELTS CO LTD

Plane-grinding electroplated diamond brushed sheet and preparation method thereof

The invention discloses an electroplated diamond napping piece which comprises a diamond grinding layer, a base body and a cloth base and further comprises a middle nickel-plated layer, a microscopic concave-convex structure is formed on the surface of the base body through high-speed sand blasting grinding, direct current is adopted for electroplating, the middle nickel-plated layer is attached to the base body, and the middle nickel-plated layer is arranged on the base body. And then electroplating is conducted through pulse current, the diamond grinding layer is attached to the surface of the middle nickel plating layer, the base body is bonded to the front face of the cloth base, and fluff is planted on the back face of the cloth base. The invention further discloses a preparation method. The bonding strength of the diamond particles and the base material is enhanced through the middle plating layer, and the diamond particles can be uniformly distributed through electroplating by adopting pulse current, so that the durability and hardness of the product are effectively improved. The method is suitable for the technical field of grinding preparation.
Owner:ZHU HAI DA XIANG MO LIAO MO JU YOU XIAN GONG SI

Easily-dispersed diamond grinding fluid and preparation method thereof

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.
Owner:KERUI SEMICONDUCTOR MATERIALS TECHNOLOGY (HEBEI) CO LTD

A polishing device for processing artificial diamond

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.
Owner:SHANGQIU POWER DIAMOND TECH CENT CO LTD

Diamond polishing and filling device and method

The invention discloses a diamond polishing and filling device which comprises a cart, a storage box is mounted on the cart, a vertical U-shaped plate is fixedly connected to one end of the cart and one end of the storage box, a lifting mechanism is arranged on the U-shaped plate, a horizontal displacement mechanism is arranged on the lifting mechanism, an L-shaped base is mounted on the horizontal displacement mechanism, and a first mounting cavity is formed in the top of the base. A second mounting cavity is formed in the bottom of the base, a polishing mechanism capable of deflecting is mounted on the base, and a filling and leveling mechanism is further mounted on the base. The wall surface is firstly polished through the polishing mechanism, and then the paint is sprayed through the filling and leveling mechanism after polishing is finished, so that the paint is sprayed and leveled at the same time, and the working efficiency is greatly improved.
Owner:JIANGSU HANGFENG DIAMOND TOOLS CO LTD