106results about How to "Reduce chipping" patented technology

The invention relates to the technical field of battery piece cutting, in particular to a photovoltaic panel battery piece cutting device which comprises a cutting device body, a laser head and a cutting table and further comprises multiple negative pressure suction cups, the negative pressure suction cups are located on the cutting table, and the multiple negative pressure suction cups are used for adsorbing and fixing the battery piece; the fixing assembly is arranged on the cutting table, and the fixing assembly is used for driving the negative pressure suction cup to adsorb and fix the battery piece; the photovoltaic panel battery piece cutting device comprises a fixing assembly and a separation assembly, the separation assembly is arranged on the fixing assembly, the separation assembly is used for driving a negative pressure suction cup to drive a battery piece subjected to laser cutting to deflect, and therefore the battery piece which is not completely cut is controlled to be separated along a preset cutting line. The negative pressure suction cup can firmly adsorb the battery piece, meanwhile, the separation process of the battery piece can be accurately controlled by controlling deflection of the negative pressure suction cup, automatic operation is achieved, manual intervention is reduced, and the cutting efficiency is improved.

The invention relates to the technical field of semiconductor manufacturing, and discloses a cover plate assembly, a semiconductor processing chamber and semiconductor coating equipment, and the cover plate assembly comprises a cover plate which is provided with one or more observation holes in a penetrating manner along the thickness of the cover plate; the observation structure comprises a convex observation window arranged in the observation hole, and the first side face of the convex observation window is a protruding part and deviates from the semiconductor processing chamber. In this way, the heating capacity of the observation window can be effectively improved, and therefore the situations of cracks, fragmentation and the like of the observation window are reduced.

The utility model relates to the technical field of blood detection equipment, and discloses a blood oscillation mixing device for blood detection, which comprises a base, a box body is fixedly mounted at the top of the base, a cover plate is hinged to the top of the box body, and a mixing mechanism is arranged in the box body. According to the blood vibration mixing device for blood detection, by arranging the mixing mechanism, when blood needs to be mixed, a micro motor is started through a controller, blood test tubes in a box body can rotate by arranging a gear, an inner gear ring and a rotating disc, an electric telescopic rod is arranged at the top of the rotating disc, and the electric telescopic rod continuously stretches out and draws back up and down; according to the mixing mechanism, the box body with the hinged top moves up and down ceaselessly in the vertical direction while rotating, blood in the blood test tubes can be mixed more thoroughly, the mixing effect is good, the risk that the test tubes are broken and fall off in the shaking process can be reduced, and the mixing mechanism is easy to use.

The invention relates to the technical field of surfaces, in particular to a special shaft sleeve and bearing bush for an aluminum-silicon wire, a preparation method and application of the special shaft sleeve and bearing bush for the aluminum-silicon wire, a composite coating covers a grinding part on a base material of the shaft sleeve and bearing bush, other parts are coated with silicon-based resin, and the base material of the shaft sleeve and bearing bush is cobalt-based heat-resistant alloy or 316L stainless steel. The material system of the composite coating at the opposite-grinding part of the shaft sleeve is CoCrAlY / Y2O3-Si / SiC, the thickness of the coating is 0.4-1.0 mm, the material system of the composite coating at the opposite-grinding part of the bearing bush is CoCrAlY-YSZ, and the thickness of the coating is 0.5-1.5 mm. The high-temperature-resistant, corrosion-resistant, wear-resistant and fragmentation-resistant shaft sleeve bearing bush suitable for the aluminum-silicon wire has good lubricity at a high temperature, and the service life of the shaft sleeve bearing bush is prolonged. Abrasion of the shaft sleeve bearing bush can be greatly reduced, fragmentation of the bearing bush is avoided, the service life of the shaft sleeve bearing bush is further prolonged, and it is guaranteed that the actual service life of the shaft sleeve bearing bush is stable.

The invention discloses a photovoltaic module frame dismounting machine and a frame dismounting method, and relates to the technical field of photovoltaic module recovery, the frame dismounting machine comprises a rack, a front pressing mechanism, a back supporting mechanism and a frame dismounting mechanism; frame disassembling positions are arranged in the machine frame, a rectangular frame body is fixed on the peripheral side, the front face downward pressing mechanism is fixed to the top of the machine frame, comprises a pressing plate and a first driving mechanism and is used for getting close to or getting away from a photovoltaic module, and the back face supporting mechanism is located below the module and comprises a supporting table and a second driving mechanism. The clamping mechanism comprises a manipulator and a third driving mechanism and is used for clamping a photovoltaic module frame; when in use, the front pressing mechanism and the back supporting mechanism are clamped and fixed from the top and bottom of the assembly, and the frame disassembling mechanism is used for disassembling the frame from the periphery. By adopting the frame dismounting machine and the frame dismounting method, the frame dismounting efficiency and the frame dismounting quality of the photovoltaic module can be improved, the problem of fragmentation of photovoltaic glass is reduced, meanwhile, the junction box can be dismounted, and the recycling value of recycled materials is improved.

The invention relates to the technical field of glass processing, and discloses a processing method of AG (anti-glare) glass, which is high in processing precision and efficiency, low in product breakage rate and processing cost and low in skill requirements on operators, and comprises the following steps: S1, carrying out sand blasting on a glass incoming material, so that a sand surface is formed on the front surface of the glass, and a non-sand surface is formed on the back surface of the glass; s2, cutting the sand-blasted glass to form a plurality of glass sheets; s3, a laser beam is emitted from the non-sand surface of the glass sheet, so that a chamfering pretreatment area, a hole pretreatment area and a hole chamfering pretreatment area are formed in the glass sheet through laser internal carving; s4, putting the glass sheet into an etching solution for chemical etching; s5, carrying out appearance splitting on the glass sheet so as to form a chamfer on the edge of the glass sheet; and S6, carrying out hole splitting on the glass sheet by adopting ultrasonic wave under-liquid splitting, so that hole sites are formed in the hole pretreatment area and the hole chamfering pretreatment area on the glass sheet.

The invention relates to a micro-lubrication friction and resistance reduction method of a fullerene C60 nanosphere particle cutting fluid, and belongs to the field of metal cutting process methods and cutting lubrication. According to the method, through the steps of compressed air adjustment, fullerene nanosphere particle cutting fluid blending, oil-water mixing adjustment, three-phase mixed cutting fluid preparation, atomization spraying and the like, stable and tiny oil film water-drop-attached liquid drops are formed and accurately sprayed to a cutting area. The fullerene nanosphere particles can form a nano rolling boundary lubricating film with high bearing capacity and low shear strength on a tool-workpiece / chip contact interface due to unique properties, so that the friction coefficient is remarkably reduced, and the tool wear is reduced. Meanwhile, efficient cooling is achieved through the oil film water drop attaching technology, cuttings are blown away through high-pressure spraying, and tool abrasion and machining quality reduction caused by accumulation are avoided. According to the method, an efficient and accurate lubricating, friction-reducing and resistance-reducing solution is provided for metal cutting machining.

The invention discloses a tea leaf screening device for tea leaf planting, which belongs to the field of tea leaf screening and comprises a frame body I, a feeding part fixedly connected to the upper end of the frame body I, a screening assembly inserted into the frame body I and a storage drying oven positioned on one side of the screening assembly and used for storing screened tea leaves and drying the tea leaves, the inside of the frame body I is connected with a softening anti-crushing treatment part, and the softening anti-crushing treatment part comprises a conveying belt I and a conveying belt II which are rotationally connected inside the frame body I, and an inclined plate I positioned between the conveying belt I and the conveying belt II; softening pretreatment of the tea leaves is achieved through the softening anti-crushing treatment part, fiber tissues in the tea leaves are softened, the toughness of the tea leaves can be improved, therefore, fragmentation caused by vibration or collision in the screening process is reduced, meanwhile, the dust amount of the humidified tea leaves can be remarkably reduced, the cleanness of the working environment can be kept, and the tea leaves can be cleaned. The dust content in the tea can be reduced, and the quality of the tea is improved.

The utility model relates to the field of crystal bar flaw piece recovery, in particular to a crystal bar flaw piece material taking mechanism and a crystal bar processing system.The crystal bar flaw piece material taking mechanism comprises two material taking modules which are arranged in a bilateral symmetry mode, each material taking module comprises a supporting frame and a material receiving unit which are arranged at the bottom, a supporting plate is arranged on each supporting frame, and the two material taking modules are symmetrical; the supporting plate is vertically arranged, and the top end of the supporting plate is a sharp end and can be in direct contact with a crystal bar; a first reference surface and a second reference surface which are perpendicular to each other are established by taking the central axis of the crystal bar as a reference, the crystal bar subjected to squaring comprises a square bar and crystal bar edge pieces on the left side and the right side, the distance between the gravity center of each crystal bar edge piece and the first reference surface is L1, the distance between the tip end of each crystal bar edge piece and the first reference surface is L2, and L1 is larger than L2; and the material receiving unit is obliquely arranged and is used for receiving the poured crystal bar edge skin. Cost and maintenance difficulty can be reduced, stability is guaranteed, edge skins are prevented from being collided in the placing process, and the edge breakage phenomenon is reduced.

The invention relates to a material mixing packaging bottle and a using method, the material mixing packaging bottle comprises a liquid material barrel and a solid material barrel, the solid material barrel is inserted into the liquid material barrel in a sliding mode, the inner wall of the solid material barrel is provided with a plurality of limiting supporting pieces, and the limiting supporting pieces are distributed around the axis of the solid material barrel at intervals; a gap is formed between every two adjacent limiting supporting pieces to form a liquid flowing groove, a freeze-drying bin is formed between the upper surfaces of the limiting supporting pieces and an inner cavity in the upper portion of the solid material barrel, freeze-drying balls are arranged in the freeze-drying bins, the lower end face of the solid material barrel is fixedly covered with a diaphragm, the inner wall of the bottom of the liquid material barrel is fixedly connected with a puncturing piece, and an inner cavity in the lower portion of the liquid material barrel is filled with essence. A mixed liquid flowing opening is formed in the bottom wall of the liquid material barrel in a penetrating mode, a bottom cover is detachably connected to the bottom face of the liquid material barrel, and a detachable limiting piece for limiting the solid material barrel to move downwards relative to the liquid material barrel is detachably connected to the outer wall of the upper portion of the solid material barrel. The freeze-drying device has the advantage that the possibility of freeze-drying ball fragmentation is reduced.

This disclosure provides a light-emitting diode and a method for manufacturing the same. The light-emitting diode includes an epitaxial structure; the epitaxial structure has a plurality of protrusions located on a first surface, and the epitaxial structure also has a mesh-like isolation groove formed on a second surface and extending toward the first surface, the epitaxial structure being divided into a plurality of epitaxial units by the isolation groove; the bottom of the isolation groove is spaced apart from the first surface; in a direction perpendicular to the second surface of the epitaxial structure, the connection between the sidewall of the isolation groove and the bottom surface of the isolation groove corresponds to the middle portion of the protrusion; the first surface and the second surface are two opposite surfaces of the epitaxial structure.

The utility model relates to abrasive disc technical field discloses a kind of high-strength brown corundum wear-resistant resin abrasive disc, including wheel core, the transition layer is equipped outside wheel core, the abrasive ring is equipped outside transition layer, and the transition layer and abrasive ring are detachably connected by bolt;Several convex teeth are distributed in the surface one side of transition layer, several grooves are opened in abrasive ring inner wall, and several convex teeth are embedded in the inner wall of several grooves;The utility model is connected by the circumferential limit of convex tooth and groove, annular limiting plate and annular groove and the axial restriction of mounting block and mounting groove, plus the fastening effect of bolt, multiple structure cooperation makes transition layer and abrasive ring connect exceptionally stable, when abrasive ring wears, it can be replaced by only disassembling bolt, wheel core and transition layer can be reused, without integral replacement abrasive disc, substantially reduce the equipment use cost, reduce resource waste, and it is convenient to replace abrasive ring of different granularity according to processing requirement.

The invention discloses a processing method for a copper-clad ceramic substrate, which relates to the technical field of copper-clad ceramic substrate processing, and comprises the following steps of: taking a pre-treated copper-clad ceramic substrate, introducing nitrogen, and carrying out layered progressive micropore processing on an exposed aluminum oxide ceramic substrate of the pre-treated copper-clad ceramic substrate through picosecond laser to form micropores; each micropore is divided into an inlet layer, a middle layer and an outlet layer from top to bottom; the layer number of the micropores, the thickness of each layer of the micropores and the pulse width are controlled, and a light spot and long-focal-depth lens is adopted; adjusting monopulse energy and frequency parameters of picosecond laser, and punching an inlet layer; adjusting monopulse energy and frequency parameters of picosecond laser, and punching the middle layer; and adjusting monopulse energy and frequency parameters of the picosecond laser, and punching the outlet layer to obtain the copper-clad ceramic substrate. In the middle layer, the monopulse energy is gradually increased, and it is ensured that the material is evenly removed; at the inlet layer and the outlet layer, energy is reduced, and cracks caused by stress generated instantly when the material is punctured are avoided.

The invention relates to a polycrystalline Al2O3-TiC-diamond composite material and a preparation method and application thereof, belongs to the field of superhard materials, and discloses a polycrystalline Al2O3-TiC-diamond composite material which comprises a polycrystalline diamond layer, a polycrystalline Al2O3 layer and a polycrystalline TiC transition layer. Wherein the polycrystalline diamond layer and the polycrystalline Al2O3 layer are combined through the polycrystalline TiC transition layer. The composite material has good thermal stability and mechanical properties, can be applied to oil drilling, and has a great application prospect.

A saw blade relates to the technical field of cutting tools and comprises a saw blade base body, a center hole is formed in the middle of the saw blade base body, saw teeth are formed on the edge of the saw blade base body, cutting edges of the saw teeth of the saw blade base body are not processed, and a reinforcing part is formed on at least one side of the saw blade base body. According to the utility model, by adopting the design of the non-edged sawteeth, the probability of edge breakage caused by impact in the cutting process is obviously reduced. Due to the design of the reinforcing pieces, the overall stability of the saw blade is remarkably enhanced, the service life of the saw blade is greatly prolonged, and therefore the production cost and the time cost caused by frequent replacement of the saw blade are reduced.

This invention provides a polarization stress detection device suitable for large crystal materials, including a base, a light source, and a first polarizer, a waveplate, and a second polarizer arranged parallel to each other at both ends of the base. A fixing device consisting of two parallel guide rails and two rollers is provided between the two polarizers. The two ends of the roller core are placed in the sliding grooves of the guide rails and are engaged with positioning holes on the top surface of the guide rails by pins, enabling flexible adjustment and secure fixing of the roller spacing. The roller consists of a core and a bushing connected by bearings, facilitating crystal rotation. Furthermore, the device includes a ramp bridge, the top surface of which is flush with the highest point of the roller to achieve stable, impact-free loading of the crystal. This invention effectively solves the problems of fragile loading, difficult rotation, and incompatibility with different sizes of large crystals in polarization stress detection, offering advantages such as high safety, labor-saving operation, and strong versatility.

The utility model relates to the technical field of batten cutting, and discloses a batten cutting device convenient for fixing a batten, which comprises a cutting knife mounted on a working table through a mounting frame I, the two pressing wheels are installed on the workbench through two second installation frames correspondingly, and the two pressing wheels are located on the two sides of the cutting knife. The condensing equipment is installed on the bottom plate, the condensing equipment is communicated with a condensing pipe, the condensing pipe penetrates through the cutting knife, and the cutting knife is provided with a containing cavity used in cooperation with the condensing pipe; the dust collection plate is mounted above the cutting knife; the dust collection equipment is mounted on the bottom plate, and the dust collection equipment is communicated with the dust collection plate through a connecting pipe. According to the shaving board cutting device, efficient, accurate and environment-friendly cutting of shaving boards is achieved through the cutting knife, the pressing wheel, the condensing device, the dust collection device, high-hardness materials, precise design, stable pressing, heat absorption and strong suction force.

The utility model discloses an antique Beijing brick with ventilative and moisture-proof function, including brick body, still including support body, the support body is installed on the ground after hardening, and the bottom of support body is more than 2cm from the ground, the brick body is stacked in the top of support body, dry granule, the dry granule is filled in the inside of support body, when removing the brick body upward, the dry granule is exposed, the buffer layer is glued and fixed in the bottom of brick body, and the lower end of buffer layer is fixed with support body alignment, and the product can avoid the ground moisture return, and is easy to maintain.

The utility model relates to the field of glass processing, in particular to a follow-up device for laser cutting of curved glass, which comprises a base, rotating shafts are arranged at two ends of the base, and the rotating shafts are connected with a workbench synchronously and horizontally rotating along with the rotating shafts. An air cylinder used for driving the rotating shaft to horizontally rotate is arranged on one side of the workbench, an electromagnetic valve used for controlling the air cylinder to ascend and descend is arranged on one side of the air cylinder, a laser machine used for cutting a product is transversely erected on the top of the workbench, and the product is placed on the surface of the workbench. The curved surface radian of the product is matched with the curved surface radian of the workbench so as to be matched with the cutting curvature of the laser machine. According to the utility model, the accuracy and completeness of the cutting position are ensured by detecting and adjusting the position of the focus point of the laser beam in real time, the phenomenon of edge breakage or piece cracking of glass in the cutting process is effectively reduced, the reject ratio is reduced, and the product quality and the production benefit are improved.

A wafer hybrid bonding method and grinding device, the method comprising: performing first grinding processing on an initial edge region from the first surface to the second surface direction to form a first wafer structure, the first wafer structure comprising a functional region and an edge region surrounding the functional region, the edge region having a first grinding opening, the side wall of the first grinding opening having an obtuse angle with the first surface; forming a first conductive structure in a first dielectric layer, the surface of the first dielectric layer exposing the surface of the first conductive structure; providing a second wafer structure, the second wafer structure comprising a second dielectric layer and a second conductive structure in the second dielectric layer, the surface of the second dielectric layer exposing the surface of the second conductive structure; performing bonding processing on the first wafer structure and the second wafer structure, so that the second dielectric layer is bonded to the first dielectric layer, and the first conductive structure is bonded to the second conductive structure, thereby improving the uniformity of the first conductive structure.

The invention relates to the technical field of lithium niobate wafer cutting equipment, and discloses lithium niobate wafer laser composite cutting equipment which comprises a rack, a material storage mechanism, a material conveying mechanism, a material transferring mechanism, a laser processing mechanism and a gluing and cleaning mechanism, and the material storage mechanism, the material conveying mechanism, the material transferring mechanism, the laser processing mechanism and the gluing and cleaning mechanism are arranged on the rack. Lithium niobate wafers are transferred through the material conveying mechanism and the material transferring mechanism, raw materials are subjected to hidden cutting processing through the hidden cutting laser device to form semi-clinker, the semi-clinker is glued through the gluing piece, the semi-clinker is subjected to surface cutting processing through the surface cutting laser device to form clinker, and the clinker is cleaned through the cleaning piece. The problem that in the prior art, the yield of narrow strip cutting finished products of thick lithium niobate crystals is not good is solved, the structural compactness and the space utilization rate are good, and the machining efficiency and the machining precision are high.

The application relates to a realization method of a large-size anti-broken-edge tap, which solves the broken-edge problems of the tap during the tap feeding and retreating by respectively obtaining the best point of a shoveling bit through a main cutting edge load uniform distribution strategy and obtaining the best chamfer angle through a terminal complete tooth chamfer strategy to optimize the anti-broken-edge structure of the tap. The application makes the load on the cutting tooth uniformly distributed, reduces the stress borne by the tap, reduces the friction between the complete tooth and the machined thread, provides more space for the blocked chip to discharge, reduces the reverse torque borne by the tap during the retreating, and finally reduces the broken-edge problem of the tap.

The utility model belongs to medical instrument technical field, concretely relates to a lung cancer tissue sample rapid collection device, including sampling cylinder, one end of sampling cylinder is provided with outer needle tube, the outer needle tube is connected with sampling cylinder and forms the communication structure through luer joint, and the end of outer needle tube is handled with open blade, the inside of outer needle tube is provided with inner needle rod, one end of inner needle rod extends to the inside of sampling cylinder from the inside of outer needle tube, and the outside of inner needle rod is provided with spiral blade, the inside of sampling cylinder is slidably connected with piston, and inner needle rod is fixedly connected with piston, the end of piston away from inner needle rod is fixed with threaded column. This utility model can utilize the spiral cutting characteristic of spiral blade, shorten sample acquisition time, and the spiral winding mode can keep the tissue form completely, reduce sample fragmentation and loss, through the threaded transmission structure of threaded column and split nut, medical staff can accurately control the advancing depth of inner needle rod, ensure the accuracy of sample collection position.

The invention discloses a cutting fluid for a semiconductor material and a preparation method thereof, and relates to the technical field of cutting fluids. The semiconductor material provided by the invention is composed of the following raw materials: 0.001-30.00 parts of a water-soluble lubricant; 0.001 to 30.00 parts of an anti-wear lubricant; 0.001 to 20.00 parts of an extreme pressure lubricant; 0.001 to 50.00 parts of a special wetting agent; 0.001 to 30.00 parts of an emulsifying dispersant; 0.001 to 90.00 parts of an antirust agent; 0.001 to 90.00 parts of a corrosion inhibitor; 0.001 to 10.00 parts of a bactericide; 0.001 to 50.00 parts of a settling agent; and 0.001 to 99.00 parts of deionized water. The prepared cutting fluid for the semiconductor material has high permeability and high lubricity, the surface quality of slices is high, the warping degree is low, and the cutting efficiency and the yield are improved.

The utility model discloses an anti-interference photovoltaic panel protection structure, which comprises a photovoltaic panel body, and a frame is arranged on the surface of the photovoltaic panel body. And the supporting unit comprises a bottom plate, stand columns are fixedly connected to the two sides of the bottom plate, and the surfaces of the stand columns are fixedly connected to the frame. When the photovoltaic panel is used, the frame and the bottom plate are connected through the stand columns, the frame is installed more stably through the stand columns, the four-corner columns and the bottom plate are fixed through the center column, the wind resistance of the frame is further enhanced, and therefore the photovoltaic panel body is prevented from turning on one side due to strong lateral wind power; in extreme weather such as rain and snow, the control assembly drives the motor to enable the protective cloth to cover the photovoltaic panel body, and the protective cloth prevents the packaging glass on the surface of the photovoltaic panel body from directly facing the impact of rain and snow, so that the possibility of fragmentation of the packaging glass of the photovoltaic panel body is reduced, and the service life of the photovoltaic panel body is further prolonged.

The present invention discloses a method for preparing a molybdenum-copper alloy profile, which specifically comprises the following steps: step 1, preparing copper-coated molybdenum composite powder; step 2, preparing mixed powder according to the product obtained in step 1, supplementing molybdenum powder and inducing copper powder; step 3, cold pressing the mixed powder prepared in step 2, step 4, performing infiltration sintering on the cold pressing forming in step 3 to obtain a molybdenum-copper alloy billet; step 5, laminating and rolling the molybdenum-copper alloy billet after infiltration sintering in step 4 to obtain a molybdenum-copper alloy plate; step 6, grinding the molybdenum-copper alloy plate obtained in step 5. The copper-molybdenum alloy profile prepared by the present invention solves the problems of low density, poor thermal and electrical conductivity, and high expansion coefficient existing in the preparation process of traditional molybdenum-copper alloy.

The utility model relates to the technical field of grinding wheel structures, in particular to a light-color dust-free grinding wheel structure which comprises a grinding wheel structure body, stable installation mechanisms are arranged on the surfaces of the grinding wheel structure body, a fixing ring and a frame body, and a light-color dust-free mechanism is arranged on the surface of the grinding wheel structure body. And heat dissipation and chip removal mechanisms are arranged on the surfaces of the grinding wheel structure body and the fixing ring. The grinding wheel structure is more convenient to operate, the structural strength of the grinding wheel structure body and the grinding material layer can be improved when the grinding wheel structure is used, efficient heat dissipation can be conducted when the grinding wheel structure is used, the phenomenon that the grinding wheel structure body and the grinding material layer are broken during working is reduced, and the service life of the grinding wheel structure is greatly prolonged; in addition, when the grinding wheel structure is used, the grinding and cutting performance of the grinding wheel structure body and the grinding material layer can be greatly improved, sufficient curing and crosslinking can be achieved, the good grinding and cutting performance is obtained, meanwhile, the grinding reaction is decomposed, and slag is reduced.

The invention discloses a rock mass structural surface three-dimensional shape duplicating method which comprises the following steps: collecting rock samples of different types of structural surfaces, cleaning and cutting the structural surfaces of the rock samples into planes, and scanning to obtain a three-dimensional digital model of the structural surfaces; calculating a roughness parameter R lambda based on a Lyapunov index and a roughness parameter RD based on a fractal dimension according to an apparent dip angle of a data point on the three-dimensional digital model; selecting the roughness parameter R lambda and the three-dimensional digital model corresponding to the roughness parameter RD in the plurality of rock samples meeting preset conditions as a three-dimensional duplicated structural surface, and importing the three-dimensional duplicated structural surface into a carving machine; selecting a feeding mode of the structural surface, and inputting the feeding mode into a carving machine; the engraving machine generates a three-dimensional engraving path of the structural surface according to the input three-dimensional digital model and the feeding mode; according to the three-dimensional engraving path, the engraving machine is adopted to re-engrave the selected structural surface on the splicing surface of the two rock sample blocks, and then the rock sample blocks are spliced to form the test sample with the three-dimensional re-engraved structural surface.

The utility model relates to the technical field of linear motor production auxiliary devices, and provides a magnet positioning and pasting device of a linear motor, which comprises a positioning frame, the positioning frame comprises a rectangular frame body and first lower division bars arranged in the rectangular frame body at intervals, and an inner cavity of the rectangular frame body is divided by a group of first lower division bars to form a plurality of lower positioning holes. A slope extending from top to bottom is arranged on one side of the lower positioning hole in the length direction. The positioning frame overcomes the defects in the prior art, is reasonable in design and convenient to use, and solves the technical problem that magnets are broken when an existing positioning frame is used.

This application discloses a method, system, and manufacturing method for cleaving silicon carbide wafers. The cleaving method includes the following sequential steps: a pre-cleaving step: guiding and extending microcracks within the modified layer of a silicon carbide ingot that has undergone internal laser-modified layer scanning using a first ultrasonic field; a faceting step: connecting and connecting the extended cracks within the modified layer plane using a second ultrasonic field to form a continuous separation interface; and a separation step: applying a separation force to separate the wafer from the ingot body along the continuous separation interface. This application's technical solution, through a three-step method of guided extension, faceting, and gentle separation, achieves precise stepwise application of ultrasonic energy, effectively reducing the risk of wafer edge chipping and microcracks, and improving wafer separation yield.