159 results about "Ceramic bearing" patented technology

The invention discloses a ceramic bearing roller crack control method, system and device based on artificial intelligence. The method comprises the following steps: acquiring material physical parameters of a ceramic bearing roller; a three-dimensional microstructure digital twin model is constructed, and then an initial finite element model of the ceramic bearing roller is obtained; applying a mechanical boundary condition and a thermal boundary condition to the initial finite element model to obtain a comprehensive finite element model, and further obtaining thermal-mechanical coupling simulation data; initial crack parameters are obtained based on the crack initiation model, and then crack propagation simulation information is obtained; obtaining optimal processing parameters based on the crack propagation simulation information and the equipment processing parameters; and obtaining a crack risk prediction value of the current time period based on the crack risk prediction model, obtaining and adjusting actual optimal processing parameters of the current time period, and realizing control on the cracks of the ceramic bearing roller. The crack risk of the ceramic bearing roller in the machining process is effectively reduced, and the machining quality and production efficiency of the ceramic bearing roller are improved.

The invention provides a method, a system and a device for detecting surface defects of a ceramic bearing roller. The method comprises the following steps: acquiring an original image matrix and an original point cloud of the surface of the ceramic bearing roller in the same state; preprocessing the original image matrix and the original point cloud to obtain a preprocessed image matrix and a preprocessed point cloud; performing wavelet transform processing on the preprocessed image matrix to obtain a low-frequency multi-scale feature matrix; performing weighted fusion on the low-frequency multi-scale feature matrix and the surface roughness to obtain a multi-modal fusion feature matrix; the surface roughness is obtained based on the preprocessed point cloud; reasoning surface defects of the to-be-detected ceramic bearing roller based on the surface defect detection model to obtain a defect detection result of the surface of the ceramic bearing roller; the surface defect detection model is obtained by training a surface defect detection pre-training model based on the multi-modal fusion feature matrix. The method can improve the identification accuracy and the measurement precision of the ceramic bearing roller surface microdefects.

The invention discloses an anti-freezing, scale-free and countercurrent-free rotary wing type ceramic bearing mechanical water meter, belongs to the technical field of water meters, and aims to solve the problems of abrasion, blockage, countercurrent error, low-temperature freezing and the like of a traditional water meter in long-term operation. Through innovative mechanical design and material application, the metering precision, durability and environmental adaptability are improved; through a self-cleaning mechanism, an anti-freezing design, an anti-backflow device, application of high-performance materials, fluid dynamics optimization, a multi-axial rotor wing and magnetic suspension technology and an environment adaptability design, the rotor wing type water meter is easy to maintain and overhaul and has the advantages of self-cleaning, anti-backflow, high precision and high durability. According to the water meter, through innovative mechanical design and material application, the problems of abrasion, blockage, countercurrent errors, low-temperature freezing and the like of a traditional water meter in long-term operation are solved. The water flow meter is suitable for various water use environments such as residence, business and industry, can provide stable and reliable water flow measurement, and ensures accurate metering and management of water resources.

The utility model discloses a high-temperature-resistant ceramic bearing, particularly relates to the technical field of bearings, and provides the following scheme aiming at the problems that an existing bearing needs to conveniently block sundries and effectively reduce the internal temperature: the high-temperature-resistant ceramic bearing comprises an outer ring, an inner ring and balls, a plurality of balls are arranged between the outer wall of the inner ring and the inner wall of the outer ring in a surrounding mode, and blocking rings are arranged on the two sides of the balls in an attached mode. Annular grooves are formed in the two side edges of the interior of an outer ring used for connection, and cooling pipes are arranged on the two sides of the interior of the outer ring in a penetrating mode. The two sides of the balls used for rotating are in rolling fit connection with the blocking rings, rolling grooves are formed in the sides, close to the balls, of the inner wall of the outer ring and the outer wall of the inner ring correspondingly, and containing grooves are formed in the centers of the rolling grooves correspondingly. The structure has the advantages of being capable of effectively preventing sundries and dust from entering, effectively cooling the structure and blocking hot air.

The invention relates to the technical field of mechanical structure state monitoring, in particular to a full-ceramic bearing wear state recognition method, which comprises the following steps of: acquiring a vibration signal of an outer ring of a full-ceramic bearing to be recognized in the operation process of the full-ceramic bearing under a specified working condition; acquiring specified characteristic parameters in the time domain characteristics of the vibration signal according to the vibration signal; according to specified characteristic parameters and a first function formula, obtaining a wear loss predicted value of the to-be-identified full-ceramic bearing; the first function formula is a simulated vibration signal obtained by simulating the full-ceramic bearing through a preset condition Wasserstein generative adversarial network model, a real vibration signal of the full-ceramic bearing obtained through an experiment, and preset category label information; processing to obtain a function formula between the specified characteristic parameters and the abrasion loss of the full-ceramic bearing; the category label information comprises the vibration frequency of the outer ring and / or the inner ring when the full-ceramic bearing breaks down under the specified working condition.

The invention discloses equipment for preparing three-dimensional fiber aerogel through airflow turbulence assisted centrifugal spinning, and belongs to the technical field of centrifugal spinning.The equipment comprises a cross beam support, a high-speed centrifugal module, an airflow assisting module, a liquid supply module and a continuous collection module, and the high-speed centrifugal module comprises a high-speed motor, a ceramic bearing and a needleless spinning cup; the high-speed motor provides centrifugal force needed by spinning, spinning holes are formed in the cup wall of the needleless spinning cup, the continuous collecting module is located below the needleless spinning cup, the air compressor is communicated with the air path outlet rotating rod through the air path channel, and during centrifugal spinning, the intelligent injection pump pumps spinning liquid in the injector into the needleless spinning cup through the liquid conveying pipe; the air path outlet rotating rod ejects stable air flow to form turbulent flow, the fibers thrown out through the spinning holes are further stretched and wound under the turbulent flow effect, and finally the fibers are deposited in a three-dimensional structure and fall onto the continuous collecting module to be continuously collected. A high-voltage electric field and high temperature do not need to be applied, and the production efficiency is improved.

An experimental system for realizing weight reduction of an asymmetric anti-rotor is characterized in that a spherical hollow container (1) is arranged in the system, an insulating layer (2) is arranged on the inner surface of the spherical hollow container, a magnetic conductive cylinder (3) is arranged in the hollow container, a certain substance element (4) is sealed in the hollow container, and a heating device (5) and an ionization device (6) are further arranged in the hollow container. The magnetic conductive cylinder is sleeved with a main disc (8) and an auxiliary disc (9) which rotate reversely and are connected with the magnetic conductive column through a ceramic bearing (10), an electrode net (11) is arranged in the container, a direct-current high-voltage generator (12) is further arranged in the system, one pole of the direct-current high-voltage generator (12) is connected with the electrode net, the other end of the direct-current high-voltage generator (12) is grounded, and the other pole of the direct-current high-voltage generator (12) is grounded. The main disc and the auxiliary disc are respectively driven to rotate by respective electromagnetic equipment (14), and a main magnetic field (15) generated by the main disc wraps the whole device system.

The utility model provides an insulating ceramic bearing, and belongs to the technical field of bearings. The problem of poor stability in the prior art is solved. The insulating ceramic bearing comprises an outer ring, an inner ring, a retainer and balls, the outer ring, the inner ring and the retainer are made of insulating materials, the balls are made of ceramic materials, the balls are circumferentially and uniformly connected onto the retainer, the balls positioned by the retainer are uniformly distributed between the outer ring and the inner ring, and the insulating ceramic bearing further comprises a disc-shaped positioning disc. A protruding connecting part is arranged on the outer edge of the positioning disc, a concave positioning groove is formed in the inner side of the outer ring, a connecting seat which is a step seat is arranged at an outer end opening of the inner ring, the positioning disc is arranged on the connecting seat in a sleeved mode, and the connecting part of the positioning disc is embedded in the positioning groove. And the inner edge of the positioning disc is propped against the end part of the connecting seat under the elastic action of the connecting part. The insulating ceramic bearing is high in stability.

The utility model discloses a kind of silicon nitride ceramic bearing dynamic balance test tool, belong to dynamic balance test field.A kind of silicon nitride ceramic bearing dynamic balance test tool, including rack and the positioning frame of detachable installation on rack, further include: rotation is installed on the rack gas expansion shaft, wherein, the gas expansion shaft is provided with the driving part for driving gas expansion shaft rotation;At least two groups of laser vibration meter, the laser vibration meter is set on gas expansion shaft upper end, wherein, the laser vibration meter is provided with adjusting member;Positioning frame of sliding connection on the rack;The utility model can realize the quick positioning of multiple silicon nitride ceramic bearings by using gas expansion shaft, subsequently under the driving of driving part, make multiple silicon nitride ceramic bearings rotate, and the position adjustment of multiple laser vibration meters using adjusting member, can realize one-to-one monitoring, to improve silicon nitride ceramic bearing dynamic balance detection quality and efficiency.

The utility model provides a simulated whistle bearing for lure fishing tackle, which comprises a bearing body, the bearing body comprises a bearing outer ring, a bearing inner ring, a rolling body and a retainer, the inner side wall of the bearing outer ring is provided with a first channel, and the outer side wall of the bearing inner ring is provided with a second channel. The rolling body is connected between the first channel and the second channel in a rolling mode through the retainer, and a sound groove used for colliding with the rolling body to generate a pseudo-whistle when the rolling body passes through is formed in the bearing body; by arranging the sound groove, the rolling body can slightly collide with the sound groove in the rolling process so as to generate a pseudo-whistle sound, and the pseudo-whistle sound can generate an effect similar to white noise, so that a fisher feels more comfortable; the bearing outer ring, the bearing inner ring and the rolling body are made of ceramic materials, the problem of bearing rusting can be avoided, the ceramic bearing does not need to be lubricated, the starting torque is smaller, a smaller lead weight can be hung in the throwing process, and the farther throwing distance is obtained.

This invention relates to an apparatus and method for preparing magnesium alloy wire for arc additive manufacturing by pulsed current-assisted hot drawing with a roller die, belonging to the field of magnesium alloy wire preparation technology. The apparatus includes a pay-off frame, a straightener, a tubular heating furnace, a pulse power supply, a roller die, and a drawing machine. The roller die includes a roller die frame and roller sets. The roller die frame includes an elliptical roller die frame and a circular roller die frame. The elliptical roller die frame contains an elliptical roller set, and the circular roller die frame contains a circular roller set. The rollers of the elliptical and circular roller sets are fixed to the elliptical and circular roller die frames by high-temperature resistant ceramic bearings. This method uses a pulsed current to connect the electrodes to the rollers and the pulse power supply, transmitting the pulsed current to the wire through the rollers. Furthermore, the rollers and wire maintain close contact at all times, avoiding or even eliminating the adverse effects of friction and arcing between the electrodes and wire on the surface quality of the wire during conventional electroplastic drawing.

The application relates to the field of bearing ball preparation, and discloses a forming die and a preparation process of a thermal shock-resistant silicon nitride ceramic bearing ball, which comprises a die base, a DC motor is installed at the top of the die base, a transmission rod is rotationally connected to the top of the die base, a guide rod is fixedly connected to the top of the die base, the output end of the DC motor is fixedly connected with one end of the transmission rod, a guide screw is fixedly connected to one end of the transmission rod, and a sliding frame is threadedly connected to the outside of the guide screw. The die plate is arranged to slide on the top of the mounting base through the sliding T block, and is limited through the limiting block; when the user pushes the push block, the limiting block can be retracted into the limiting body, the die plate can be conveniently disassembled, disassembled and installed, the die plate can be conveniently disassembled, replaced and cleaned, and the problem of inconvenient disassembly and installation of the die plate is solved.

The invention discloses a ceramic softening device for ceramic production, and relates to the technical field of ceramic production and processing.The ceramic softening device comprises a base, a hollow rotating platform is arranged on the base in a matched mode, a fixed driving disc is fixedly arranged on the inner side of the hollow rotating platform, and a fixed wheel edge is arranged on the periphery of the fixed driving disc in a surrounding mode; a plurality of ceramic bearing supports used for bearing ceramic products are arranged on the hollow rotating platform in a surrounding mode, each ceramic bearing support comprises a rotating wheel which is rotationally connected with the hollow rotating platform and matched with the edge of the corresponding fixed wheel, and a supporting rod is detachably arranged in the center of each rotating wheel. And a supporting block for supporting the inner wall of the ceramic product is arranged at the top of the supporting rod. When in use, the outer surface and the inner surface of the ceramic product can be fully moistened, the water replenishing operation on the surface of the ceramic product is realized, the plasticity of clay is effectively maintained, the internal stress generated by non-uniform shrinkage in the drying process is reduced, and the defects of warping, cracking and the like are avoided.

A manufacturing process for a ceramic bearing component (1) is disclosed, wherein the process comprises the following steps: providing (S1) the ceramic bearing component (1) with a naturally occurring oxide layer (4) having a first thickness (d1), and at least partially modifying (S2, S3, S4, S5) the naturally occurring oxide layer (4) on the surface of the ceramic component (1) and / or the ceramic material.

Disclosed is a production process for a ceramic bearing component part (1), in which the process comprises the steps of: providing (S1) a ceramic bearing component part (1) having a naturally generated oxide layer (4) having a first thickness (d1), and at least partially modifying (S2, S3, S4, S5) the naturally generated oxide layer (4) on the surface of the ceramic component (1) and / or of the ceramic material.

The utility model provides a high-compression-resistance ceramic bearing, and belongs to the technical field of bearings. The problem of poor stability in the prior art is solved. The high-compression-resistance ceramic bearing comprises balls, a retainer, an outer ring and an inner ring, the outer ring and the inner ring are made of ceramic materials, the inner ring is sleeved with the outer ring, the retainer is connected between the outer ring and the inner ring, the balls are evenly distributed on the retainer in the circumferential direction, a blocky connecting block is arranged on the lower portion of the outer ring, and the connecting block is connected with the outer ring. The device further comprises plate-shaped connecting plates used for being fixed to a support or a rack. The number of the connecting plates is two, and the two connecting plates are symmetrically arranged on the two sides of the connecting block. The high-compression-resistance ceramic bearing is high in stability.

The invention provides a medium / long wave dynamic regulation and control filter for an infrared detector. The upper-layer rotatable superstructure unit layer is composed of a lower-layer fixed superstructure unit layer, and the upper-layer rotatable superstructure unit layer is driven by a micro stepping motor to rotate around a central shaft of the silicon nitride ceramic bearing. And multi-band dynamic regulation and control: through rotation of an upper-layer medium, medium wave and long wave dynamic detection of different bands can be realized. Through the design of the resonant ring units and the optimization of geometric parameters, the broadband high transmission of a target wave band and the high suppression of a non-target wave band are realized, the interference of the non-target wave band is filtered out, and the signal-to-noise ratio is improved. According to the invention, a traditional multi-stage optical filter stack or light splitting assembly is abandoned, and multiband filtering and switching are realized through a single metamaterial device. The light source is bonded to a staring type imaging detector (such as a HgCdTe focal plane array) through epoxy resin, additional light path adjustment is not needed, and integration complexity and cost are reduced.

The invention relates to the technical field of grinding and polishing, in particular to a polishing solution for a ceramic bearing ball and a preparation method of the polishing solution. The polishing solution mainly comprises the following components in parts by mass: 0.3-4 parts of a micro-powder grinding material, 1.0-10 parts of a lubricant, 0.5-3 parts of a friction coefficient regulator, 0.2-5 parts of a rheology regulator, 0.2-5 parts of a polymeric dispersant, 0.2-5 parts of an emulsifier, 0.3-4 parts of organic alkali and 71-95 parts of matrix oil. The polishing solution has the characteristics of high efficiency and easiness in cleaning, and the surface quality of the polished ceramic bearing ball is good.

This application relates to the field of ceramic bearings, and in particular to a corrosion-resistant, high-hardness sapphire bearing. A corrosion-resistant, high-hardness sapphire bearing includes a sapphire inner ring, a sapphire outer ring, a cage, ceramic balls, and a dust cover. The cage has a plurality of ball-retaining grooves; the ceramic balls are disposed within the ball-retaining grooves; a grease channel communicating with the ball-retaining grooves is formed on the surface of the cage; the dust cover has an injection hole; and a rubber plug is fixedly connected to the injection hole of the dust cover. In this application, the corrosion-resistant, high-hardness sapphire bearing allows grease to be injected into the surface of the ceramic balls through the injection hole of the dust cover. Specifically, the grease sequentially passes through the injection hole of the dust cover and the grease channel formed by the cage to adhere to the surface of the ceramic balls. Rotating the sapphire bearing evenly disperses the grease across the surface of the ceramic balls, effectively simplifying the grease replenishment process for sapphire bearings.

The application discloses a kind of preparation methods of high wear-resistant ceramic composite bearing, comprising the following steps: S1, raw material gradient premix preparation;S2, gradient green compact forming and furnace loading;S3, magnetron sputtering (SPS) collaborative sintering;S4, ceramic body interface activation treatment;S5, / hydroxyapatite gradient transition layer preparation;S6, precision post-processing and performance detection.The application solves the problem that traditional ceramic bearing causes inner and outer layer performance homogenization due to raw material homogenization mixing, sintering density is insufficient, interface treatment is simple, coating adhesion is weak and easy to fall off, and post-processing precision is low, which makes it difficult to meet the demand of high wear-resistant, high stability and severe working condition.

The utility model provides a new energy anode material conveying device which comprises a ceramic wheel, a single-row chain wheel, a roller shaft, a bearing seat and a ceramic bearing, a first-stage step and a second-stage step are symmetrically arranged at the two ends of the roller shaft, the ceramic wheel and the ceramic bearing are fixedly installed on the first-stage step, the ceramic bearing is fixedly installed in the bearing seat, and the single-row chain wheel is fixedly installed on the second-stage step. And a single-row chain wheel is fixedly mounted on the second-stage step. According to the material conveying device disclosed by the utility model, the ceramic wheel, the single-row chain wheel, the roller shaft, the bearing seat, the bearing retainer ring and the ceramic bearing are compactly mounted, and meanwhile, the single-row chain wheel, the shaft, the bearing and the transmission wheel are replaced by non-metal materials, so that metal chips generated by abrasion of metal foreign matters are solved from the source; therefore, the risk that the new energy positive electrode material is polluted by metal foreign matters in the production and transportation process is reduced, and the product quality is improved.

The invention relates to the technical field of diamond film preparation, in particular to an assembly and device for preparing a diamond film on the surface of a full-ceramic bearing ring, and the assembly comprises a heating component which comprises a plurality of hot wires arranged at equal intervals with the surface of the bearing ring; the rotating component is used for driving the bearing ring to rotate; the base is used for mounting the heating component and the rotating component; the cover body is buckled on the base, and a reaction chamber is defined by the base and the cover body; the heating component and the rotating component are arranged in the reaction chamber; an air inlet and an air outlet are further formed in the cover body, and the air inlet is used for being connected with an external air supply device; the device comprises the chemical vapor deposition assembly, a gas supply device, a motor, a power supply system and a cooling water channel. The hot wires and the surface of the bearing ring are arranged at equal intervals, and the bearing ring is driven to rotate at a constant speed through the rotating component, so that all surface areas are subjected to the same thermal radiation and gas decomposition environment, and the deposition efficiency and the film layer quality are improved.

The utility model relates to the technical field of spray washing towers, and discloses a corrosion-resistant spray washing tower, which solves the problems of poor corrosion resistance and insufficient waste gas treatment of the existing spray washing tower, and comprises a glass fiber reinforced plastic tower body, a gas inlet pipe is arranged at the bottom end of one side of the glass fiber reinforced plastic tower body in a penetrating manner, and a gas outlet pipe is arranged at the bottom end of the other side of the glass fiber reinforced plastic tower body. An exhaust pipe is arranged at the top end of the glass fiber reinforced plastic tower body, an aluminum alloy sprayer is arranged at the top end in the glass fiber reinforced plastic tower body in a penetrating mode, an aluminum alloy dispersion exhaust mechanism is arranged at the bottom end in the glass fiber reinforced plastic tower body, and a first aluminum alloy honeycomb reactor and a second aluminum alloy honeycomb reactor are arranged in the middle in the glass fiber reinforced plastic tower body. The aluminum alloy dispersion exhaust mechanism is composed of a hollow disc, a plurality of air nozzles and a dispersion screen plate, the hollow disc is rotationally connected with the air inlet pipe through a ceramic bearing, the air nozzles are connected to the side edge of the bottom end of the hollow disc, and the air inlet pipe is sleeved with the dispersion screen plate; by means of the spray washing tower, the corrosion resistance can be improved, and meanwhile the waste gas treatment effect is improved.

The invention discloses a bias voltage introduction and vacuum ionization prevention all-dimensional coating tool, and belongs to the technical field of vacuum coating. The tool is mainly composed of a track, a walking mechanism, a planetary workpiece disc assembly, a bias voltage wiring and leading-in mechanism and the like, and the core of the tool is that bias voltage output by a bias voltage power supply can be safely applied to a sample to be plated which is completely isolated from a grounded vacuum chamber in an atmospheric state. Through multiple insulation designs (such as an insulation sleeve and a ceramic bearing), reliable insulation between key components such as a planetary workpiece disc, a fixed rod and a self-rotating rod and a cavity is realized, and vacuum ionization sparking is effectively prevented. The bias voltage is finally applied to the sample through a series of transmission of the bias voltage wiring assembly, the entering mechanism, the introducing autorotation rod mechanism and the like. The traveling mechanism enables the tool to enter and exit the cavity along the track, and bias connection can be automatically switched on and off along with the traveling mechanism. In addition, the planetary workpiece disc adopts a wear-resistant and high-temperature-resistant full-bead bearing steel thrust bearing, so that the height of revolution and rotation parts is reduced, and the utilization rate of a coating space is improved. The coating quality and the automation degree are improved, and high reliability and large load capacity are achieved.

The utility model discloses a ceramic bearing component applied to mixing equipment, which comprises a ceramic bearing inner ring, a ceramic bearing outer ring, a stator component and a rotor component, the inner diameter of the ceramic bearing outer ring is in clearance fit with the outer diameter of the ceramic bearing inner ring, a positioning groove is arranged on the ceramic bearing outer ring, the stator component is embedded into the positioning groove, and the rotor component is embedded into the positioning groove. The inner ring of the ceramic bearing is fixedly connected with the rotor assembly, the inner ring of the ceramic bearing is tightly pressed on a stirring shaft of the mixing equipment, and the rotor assembly is connected with the stirring shaft at the same time, so that the rotor assembly is suitable for rotating relative to the stator assembly under the driving of the stirring shaft. Through the mutual cooperation of the stator assembly, the rotor assembly, the ceramic bearing inner ring and the ceramic bearing outer ring, the radial swing of the far end of the stirring shaft can be effectively reduced, a stable gap between the stator assembly and the rotor assembly is ensured, the particle size distribution is better, and almost no abrasive dust is generated in the operation process.

This invention discloses a corrosion-resistant circulating pump with a quick-change seal structure, comprising a base, a pump housing, a motor, and an integrated sealing assembly connecting the pump housing and the motor. An impeller shaft is supported within the pump housing by a ceramic bearing. One end of the impeller shaft is fixed to the impeller, and the other end has a first connecting portion. The integrated sealing assembly includes a sealing housing, an intermediate drive shaft passing through the sealing housing, and a mechanical seal installed between the two. One end of the intermediate drive shaft has a second connecting portion that inserts into the first connecting portion, and the other end is connected to the motor via a coupling. When the mechanical seal needs to be replaced, the integrated sealing assembly along with the intermediate drive shaft can be pulled out as a whole, separating the second connecting portion from the first connecting portion. This invention achieves rapid replacement of the entire sealing assembly. During the replacement process, the impeller shaft and impeller remain stationary, eliminating the need for realignment, significantly shortening maintenance time and improving repair efficiency.

The invention belongs to the technical field of mechanical bearings, and particularly relates to a silicon nitride ceramic bearing ball and a preparation method for improving wear resistance and self-lubricating performance thereof. The high-wear-resistance self-lubricating silicon nitride ceramic bearing ball is prepared from the following raw materials in percentage by mass: 90 to 92 weight percent of silicon nitride powder, 0.2 to 1.5 weight percent of carbon nano tube particles, 3 to 6 weight percent of aluminum oxide nano particles and 1 to 5 weight percent of yttrium oxide nano particles. The preparation method of the silicon nitride ceramic bearing ball comprises the steps of raw material preparation and mixing, spray granulation, dry pressing forming, cold isostatic pressing forming, degumming pre-sintering, hot isostatic pressing sintering, coarse grinding, fine grinding, forming of the TiN bottom layer through an ion implantation method, first accurate grinding, forming of the molybdenum disulfide layer through a vapor deposition method, second accurate grinding and finished ball obtaining. The preparation method of the silicon nitride ceramic bearing ball provided by the invention is simple and stable to operate; the prepared silicon nitride ceramic bearing ball is good in self-lubricating property and wear resistance, and the service life of the bearing ball is prolonged.

Disclosed is a method for producing a ceramic bearing component (1), wherein the method comprises the following steps: providing (S1) the ceramic bearing component (2), which has a naturally occurring oxide layer (4) with a first thickness (d1); and at least partially modifying (S2, S3, S4, S5) the naturally occurring oxide layer (4) on the surface of the ceramic component (1) and / or of the ceramic material.

The invention relates to the technical field of dismounting tools, in particular to a ceramic bearing dismounting device which comprises a first clamping assembly and a second clamping assembly. The second clamping assembly can move relative to the first clamping assembly in the axial direction of the main shaft; the second clamping assembly comprises a fixing base, a first clamping jaw, a second clamping jaw, a first connecting rod, a second connecting rod and a driving mechanism. The first connecting rod and the second connecting rod are rotationally connected with the fixing base, the two ends of the first connecting rod are connected with the first clamping jaw and the driving mechanism correspondingly, and the two ends of the second connecting rod are connected with the second clamping jaw and the driving mechanism correspondingly. When the driving mechanism drives the first connecting rod and the second connecting rod to rotate, the first clamping jaw and the second clamping jaw are driven to move oppositely so as to clamp the ceramic bearing, or the first clamping jaw and the second clamping jaw are driven to move oppositely so as to loosen the ceramic bearing. Clamping grooves matched with the ceramic bearing are formed in the first clamping jaw and the second clamping jaw; and the displacement driving assembly is connected with the second clamping assembly. The device can reduce the damage risk when the ceramic bearing is disassembled.

The utility model discloses a high-temperature-resistant ceramic bearing, which belongs to the technical field of ceramic bearings and comprises an outer ring, an inner ring is arranged in the middle of the inner side of the outer ring, and protective covers are arranged on two opposite surfaces of the outer ring and the inner ring and close to two sides. A group of balls are movably connected to the centers of the opposite surfaces of the outer ring and the inner ring, the outer sides of the balls are symmetrically sleeved with a first retainer and a second retainer, the interior of the first retainer is in threaded connection with a threaded column, and a synchronizing mechanism is arranged on the outer side of the second retainer. The two retainers are installed and fixed, the stability of the retainers is improved, the problem that the retainers loosen and fall off is solved, the synchronous assembly is arranged, meshing transmission is matched with thread transmission, the multiple clamping parts are synchronously adjusted, and the convenience of installation and disassembly of the retainers is improved.