265 results about "Diamond grinding" patented technology

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.

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 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.

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.

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 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 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.

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 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.

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.

The utility model relates to the technical field of grinding, in particular to a durable diamond grinding sheet, which is characterized in that a sheet body comprises a damping rubber ring and a plurality of fixing grooves, the annular inner side surface of the sheet body is connected to the annular side surface of the damping rubber ring, the fixing grooves are connected to the annular side surface of the damping rubber ring, and one side of each fixing groove is provided with a limiting frame; the limiting frame comprises a rotating shaft, two first rotating rods and a second rotating rod, the rotating shaft is connected to one end of the limiting frame, and each first rotating rod is connected to one side of the rotating shaft; according to the structure, the installation mode is simple, a user can conveniently and rapidly install the diamond grinding disc, the limiting frame is inserted into the inner side of the fixing groove to be further fixed, the strength of the disc body is improved, and the service life of the diamond grinding disc is prolonged. And the sheet body is not easy to stably fix during high-speed rotation grinding processing, the sheet body is not easy to deform and break, and the durability of the sheet body is improved.

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 belongs to the technical field of diamond grinding discs, and particularly relates to a heat dissipation type diamond grinding disc which comprises a base body, an annular face and a semicircular concave groove in the middle of the annular face, a mounting groove fixed to an angle grinder is formed in the middle of the semicircular concave groove, and a grinding block is welded to the annular face. The grinding blocks comprise the first grinding blocks and the second grinding blocks, the first grinding blocks and the second grinding blocks are annularly arrayed on the annular face and are arranged in a staggered mode, the width of the first grinding blocks is larger than that of the second grinding blocks, the first grinding blocks are provided with two first grooves, the second grinding blocks are provided with a second groove, and the first grooves are communicated with the second grooves. The second groove is located between the two first grooves; the diamond grinding blocks with different widths are arranged on the base body, the grooves with different positions are formed in the base body, the grooves can play a role in heat dissipation and auxiliary chip removal of the grinding blocks, the diamond grinding blocks can mutually cover a grinding area due to the fact that the positions of the grooves are different, the grinding quality is guaranteed, and repeated grinding operation is avoided.

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 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.