72results about How to "Improve processing level" patented technology

The invention discloses a graphene aerogel and a preparation method and an application thereof, wherein the aerogel is prepared from the following method: (1) pre-reduction treatment: adding a reducing agent to a graphene oxide solution, mixing, carrying out ultrasonic dispersion, and carrying out pre-reduction treatment, to obtain a semi-reduction graphene hydrogel; (2) final reduction treatment:adding a reducing agent, carrying out ultrasonic treatment, and then carrying out final reduction treatment, to obtain a graphene hydrogel; and (3) acid / alkali soaking: placing the graphene hydrogelin an acid or alkali aqueous solution, soaking, washing the hydrogel to be neutral, sucking out the excess liquid, and carrying out freeze drying, to obtain the graphene aerogel. The graphene aerogelis applied to electromagnetic wave absorption materials. The graphene aerogel obtained by the method has small density and good integrality, and has a certain mechanical strength and resillency; the prepared wave absorbing material has good electromagnetic wave absorption performance, and the wave absorbing performance can be adjusted; and the method has the advantages of simple process, short production cycle, low cost and good benefits, and is suitable for industrialized production.

The invention relates to a three-dimensional multishaft ganged digital control engraving and milling machine, which is particularly suitable for performing cutting and engraving and milling processing on large nonmetallic products. The three-dimensional multishaft ganged digital control engraving and milling machine comprises a stand, a body, a work table, a working beam, a Z axial body, a Z axial body support and a digital control unit which is used for controlling the operation of a machine tool, wherein the working beam is connected with the body through a Y axial guide rail and driven by a drive unit to move along a Y axis; the Z axial body support is connected with the working beam through a Z axial guide rail and driven by a drive unit to drive the Z axial body to move along an X axis; the Z axial body is connected with the Z axial support through the Z axial guide rail and driven by a drive unit to move along a Z axis; the body is set to have a frame structure; a Y axial guide rail is arranged on two longitudinal beams of the body respectively; the working beam and a longitudinal beam of the stand form guide rail connection through a beam support; an A axis is arranged on the Z axial body and can perform horizontal and circumferential rotation when being driven by a drive unit; and a C axis is arranged on the A axis and can perform perpendicular and circumferential rotation when being driven by a drive unit. The three-dimensional multishaft ganged digital control engraving and milling machine can implement engraving and milling processing on three-dimensional five axes of the large products when the digital control unit controls various drive units, and the processing level of the machine tool is higher.

A method based on the computer visualization technique for classifying the quality of pork by its color includes such steps as preparing the standard color map according to the color space recommended by CIE, taking the pork specimen, and comparing it with said standard color map to determine its quality.

The invention relates to a preparation method of a liquid smoked longsnout catfish soft can, pertaining to the technical field of aquatic product processing. In the invention, a channel catfish is taken as a raw material, and the finished liquid smoked longsnout catfish soft can is prepared through pretreatment, deboning and skinning, rinsing, draining, fishy smell removing, draining, liquid smoking, rinsing, drying, ripe preparing, vacuum packaging, sterilizing and cooling. The adoption of the channel catfish as the raw material for preparing the liquid smoked longsnout catfish soft can is very beneficial to elevating the processing level of leftovers of agricultural, livestock and aquatic products in China and can produce great economic benefit.

The invention relates to a processing method of an irradiated chicken claw and pickled pepper product, relating to the technical fields of poultry product processing and irradiation quality assurance. The processing method sequentially comprises the processes of thawing, bleaching, boiling in water, picking, packaging and irradiating. The invention changes the traditional mode of boiling before bleaching and adopts the mode of bleaching before boiling in water, which is beneficial to eliminating bleach liquor residues in chicken claws and preventing minute bubbles in a packaging bag from influencing quality guarantee period, the addition of composite salt for preprocessing is beneficial to avoidance of the phenomenon that the boiling-out degree is difficult to grasp in the mode of bleaching before boiling in water, and the boiling temperature and time are favorably controlled to ensure that the chicken claws are not too soft and are kept to be full. In the invention, the processing technology is improved so as to effectively control the initial microbial content and anaerobe, irradiation is combined for sterilization and quality guarantee, and thus, the purposes that chicken claw products processed in an industrialized way have the characteristics of unique flavor, suitability to tastes of the mass and long quality guarantee period are achieved.

The invention relates to a glyphosate oil suspending agent, comprising the following components of, by weight, 1-60% of glyphosate, 10%-80% of plant oil, 1-15% of a dispersing agent, 1-10% of a thickening agent, 2%-10% of a stabilizing agent, 10-40% of an emulsifying agent, 0.1-5% of a pH conditioning agent and 1-5% of a synergist. The preparation method comprises the following steps of 1) mixing and dispersing 1-60% of glyphosate, 10-40% of the emulsifying agent, 1-10% of the thickening agent and 1-15% of the dispersing agent; 2) sand grinding for 1.5-2.5 h via a sand mill, cooling with circulating water to make the temperature of the mixture no higher than 50 DEG C and the particle size no larger than 5 micrometers; 3) adding the grinded mixture into a preparation kettle, adding 0.1-5% of the pH conditioning agent, 1-5% of the synergist, 2%-10% of the stabilizing agent and 10%-80% of the plant oil, and stirring uniformly; and 4) filtering the prepared product with a 30-50 mesh filtering screen, and thus the final product is obtained. The method has the characteristics of low filling consumption, environmental protection, high efficiency and board spectrum.

The invention discloses a composite type anticoagulant agent for producing animal blood products and a use method thereof. The composite type anticoagulant agent comprises 30-50 parts of phosphate, 8-10 parts of ethane diacid disodiumtetraacetate, 32-44 parts of sodium citrate and 7-9 parts of sodium chloride, when in use, the anticoagulant agent is dissolved in water in the proportion of 1:10 (w / w); the anticoagulant agent solution is added to original blood in the proportion of 1:15 to 1:20 (v / v) and can effectively prevent the blood against agglomeration. Compared with a traditional anticoagulant agent, the anticoagulant agent has stronger anticoagulation, can effectively inhibit hemolysis and reduce the use level of the anticoagulant agent at the same time. The composite type anticoagulant agent is quite suitable for large-scale application of related companies.

The invention provides a tobacco material classifying device and classifying method. The equipment comprises a winnowing box machine body, a tangential material discharging device and a classifying filtering mesh belt; the top of the winnowing box machine body is connected with the tangential material discharging device; the classifying filtering mesh belt is located on the upper portion of the winnowing box machine body, penetrates into one side of the winnowing box machine body and penetrates out of the other side of the winnowing box machine body; after the classifying filtering mesh belt penetrates out of the winnowing box machine body, a conveying device is arranged under the classifying filtering mesh belt. According to the tobacco material classifying device and method, materials move upwards through wind power, sundries fall into a sundry falling area due to the fact that the self gravity is larger than the wind power, cut rolled stems float and move upwards to a filter area, pass through the classifying filtering mesh belt and then collected and output, and flaky cut rolled stems are attached to the lower surface of the classifying filtering mesh belt, are taken out of the winnowing box machine body by the classifying filtering mesh belt, fall into the conveying device and then are discharged. Therefore, continuous, steady and uniform material classification is achieved, the defects that a traditional vibrating screen classifier is high in tobacco damage ratio, low in classification rate and the like are overcome, and the classification and usage requirements for different cut rolled stem forms in cigarette processing can be met.

The present invention discloses a manufacture technology of procambarus clarkii food. The manufacture technology comprises raw material selecting, grading, washing, cooking, cooling, water boiling, cooling, marinating and draining, or oil-frying. A flavor and a moisture are strictly controlled. An irradiation sterilization technology with a short treatment time replaces a traditional heat sterilization to kill microorganisms in procambarus clarkii. Due to an always used normal temperature during the sterilization process, the manufacture technology can effectively reduce effects on meat quality and solves problems that the traditional procambarus clarkii food is short in shelf life, cannot be eat instantly and is poor in mouthfeel.

The invention relates to a straight cone gear measuring technology and discloses a measuring device and a measuring method for a straight cone gear pitch cone angle. The device comprises a test rod matching with standard tooth space of a straight cone gear to be measured, a measuring platform, a fine dial test indicator located on the measuring platform, a sine bar and an adjustable equal-height block, wherein the equal-height block is in cooperation with the sine bar to measure angles; a center rest used for clamping the straight cone gear to be measured is arranged on an upper plane of the sine bar; a connection line between a left center and the right center of the center rest is in parallel with the upper plane of the sine bar; a contact cone is in a center portion of the test rod; two ends of the contact cone are provided with a first measuring circular column and a second measuring circular column, wherein the two measuring circular columns are with a same diameter; an axial line of the two measuring circular columns coincides with a center line of the contact cone. According to the invention, the measuring device has advantages of a small volume, low manufacturing cost and convenient operation; the measuring method has advantages of simple operation, high measuring precision and high efficiency, and measuring in a production field can be realized by using the method.

The invention discloses a technology for processing a steaming chamber of a steam turbine. In the technology, lugs are arranged at the front, the outboard side and the inner cambered surface of the shell of the steaming chamber; datum transformation is carried out on lugs at different positions to confirm the datum plane and adjust the external form of the irregular steaming chamber by adopting the datum transformation principle so as to process the steaming chambers of various sizes. The processing technology is completely applicable to the external form of the steaming chamber with an irregular circular arc structure, high machining accuracy of the inner and outer screw thread at an steam inlet of the steaming chamber, high requirements on integrated positioning of the steaming chamber, high finish size accuracy of the fan-shaped steam outlet and a nozzle groove, thus greatly improving the processing level of the steaming chamber structure of the steam turbine.

The invention provides an LED (Light Emitting Diode) automatic glue pouring system, comprising a glue pouring part, a glue dispensing part, a glue airing part and a conveying part, wherein the glue pouring part is used for mixing protective glue with a diluting agent to form encapsulating glue and supplying the encapsulating glue to the glue dispensing part; the glue dispensing part is used for receiving an LED plate to be pour-sealed and the encapsulating glue from the glue pouring part, performing glue dispensing and pour-sealing on the LED plate and supplying the pour-sealed LED plate to the glue airing part; the glue airing part is used for receiving the LED plate from the glue dispensing part and providing the LED plate with a place for glue airing; and the conveying part is used for conveying the LED plate. According to the LED automatic glue pouring system disclosed by the invention, glue dispensing and pour-sealing can be carried out on the LED plate by adopting the glue pouring part, the glue dispensing part and the glue airing part, and the LED plate is conveyed by the conveying part, all the operations are completed by automatic equipment, and thus working efficiency is improved and labor cost is saved; and simultaneously, the LED automatic glue pouring system is favorable for maintaining the entire product at a relatively high processing level.

The invention relates to a hui fish milk soup and a preparation method thereof, belonging to the technical field of aquatic product processing. The invention takes fish steak or leftover material produced by processing hui fish fillet as raw materials, sorting, splitting, fishness removing, washing, blanching, soup wrapping, packaging, freezing and flavour bag collocating are carried out, thus obtaining the hui fish milk soup product. The product obtained by the processing method of the invention remains the original meat quality and flavour of hui fish, and no chemical preservative is added in the processing process, thus being safe to eat. Besides, no redundant floating foam is produced when the product is boiled out, fish meat is wrapped with bone soup, thus being more nutrient. A consumer can drink hui fish milk soup which is nutrient and delicious and has opacified lustre by simple heating, thus avoiding the complexity of traditional fish milk soup boiling process and being convenient to eat, thereby meeting the requirement of modern people on nutrition, delicate flavour and quick-paced life. The invention renovates the traditional thinking that fish product development is depended on fish flesh, proposes the thinking that 'drinking fish soup besides eating fish flesh' from another aspect and provides a new approach for deep processing of fish product.

The invention discloses a methylamino abamectin benzoate / indoxacarb oil suspension and a preparation method of the oil suspension. The oil suspension comprises the following components in percentage by weight: 0.5-10% of methylamino abamectin benzoate, 3-40% of indoxacarb, 2-25% of emulsifier, 0.1-10% of thickening agent, 0-5% of pH (potential of hydrogen) regulator, and the balance of solvent, wherein the total volume is 100%. The oil suspension disclosed by the invention is stable in physical and chemical properties and is not easy to decompose and deteriorate; by adopting the oil suspension, the adsorbing and seeping functions of a medicine to a target are increased, the effective utilization rate of the medicine is improved, the preventing and treating effects to injurious insects can be greatly improved; and the rice leaf folder prevention and treatment experiment shows that the preventing and treating effects can reach greater than 90% 7 days after the oil suspension is used, and the preventing and treating effects are far excellent than that of the existing methylamino abamectin benzoate / indoxacarb preparation; the oil suspension is stable in physical and chemical properties and is not easy to decompose and deteriorate; the adsorbing and seeping functions of a medicine to a target are increased; and the effective utilization rate of the medicine is improved.

The invention provides pump-free integrated wastewater deep treatment equipment, in order to solve the problems that current wastewater treatment equipment is large in occupied area, heavy in the energy consumption and the like. The equipment belongs to the technical field of wastewater treatment equipment, and comprises an adjusting tank, an anoxic tank, aerobic tanks, a secondary sedimentation tank, a sand filter and a clean water tank, wherein the sand filter is arranged in the secondary sedimentation tank, the adjusting tank is communicated with the anoxic tank through an adjusting tank stripping tube, the anoxic tank is communicated with the adjacent aerobic tank through an anoxic tank water passing hole in the bottom of an adjacent baffle plate of the anoxic tank and the adjacent aerobic tank, the third aerobic tank is communicated with the secondary sedimentation tank through a secondary sedimentation tank water passing hole in an adjacent baffle plate of the third aerobic tank and the secondary sedimentation tank, the secondary sedimentation tank is communicated with the sand filter through a sand filtration diversion trench, the sand filter is communicated with the clean water tank through a clean water tube, and the clean water tank is internally provided with a clean water tank stripping tube. According to the equipment provided by the invention, a plurality of wastewater treatment tanks are developed and designed into a whole, so that the occupied area is small, and the land source is saved, a gas stripping manner is adopted to replace a pump to provide power cycle, so that the energy consumption is greatly reduced, and through multilevel oxidation treatment, the wastewater treatment effect is increased.

The application discloses an automatic blade cutting track generation method and device for a flexible material zero-interval layout graph and a computer readable storage medium. The method applied toa cutting bed comprises the following steps: extracting outermost layer path information of each cutting piece in a zero-interval layout graph of a to-be-processed flexible material to obtain an outer contour track sequence set comprising a plurality of processing paths; combining overlapped line segments of all processing path by comparing position information of all sequence points on each twoprocessing paths; determining a cutter eye processing mode on each processing path based on the position relationship of each cutter eye mark, and determining a cutter starting point position of an adjacent cutting piece by utilizing a preset cutter starting point selection method; and automatically generating a cutting track according to the cutter eye processing mode, the cutter starting point position and the track sequence set after combining processing. On the basis of not sacrificing the utilization rate of the fabric, the zero-interval layout cutting pieces of the flexible material areefficiently processed with high quality, so that the batch production requirements of flexible materials such as clothing and vehicle decorations are met.

The invention relates to an intruding message flow processing method and device, and the method comprises the steps: determining an intruding message flow from received intruding message flows based on a preset intrusion prevention strategy; performing quantity statistics on hit logs of the intruding message flow based on a preset period; when a statistical result exceeding a preset quantity threshold value, promoting an intruding level of the intruding message flow based on the statistical result; and performing prevention processing on the intruding message flow based on the intruding level of the intruding message flow. According to the invention, the intrusion prevention strategy can be automatically updated according to the quantity of the intruding message flow hit logs in the preset period, and a problem that prevention efficiency for the intruding message flow is low caused by manually updating the intrusion prevention strategy in relevant technologies can be solved.

The invention discloses a pymetrozine oil suspending agent and a preparation method thereof. The pymetrozine oil suspending agent comprises the following components in mass: 3-60% of pymetrozine, 2-25% of emulsifying agent, 0.1-10% of thickening agent, 0-5% of PH adjusting agent and a solvent to 100%. The pymetrozine oil suspending agent has stable physical and chemical properties and is difficult to decompose and deteriorate; and the adsorption and the osmosis of the drug to a target are enhanced, and the effective utilization rate of the drug is increased.

The invention discloses a thifluzamide oil suspension and a preparation method thereof. The thifluzamide oil suspension takes thifluzamide, a solvent, a thickener, a dispersant and a PH regulator as raw materials. The preparation method of the thifluzamide oil suspension comprises the following steps: firstly, carrying out pretreatment to thifluzamide and the thickener, then stirring all the raw materials by mixing together, throwing into a sand mill to be ground to a particle size below 5 mu m, adding the PH regulator and filtering at last so as to obtain the thifluzamide oil suspension. The quality analysis results of the product show that the decomposition rate of active ingredients is less than 3%, the suspension rate is more than 90%, phenomena of precipitation, agglomeration and stratification do not exist in low-temperature storage, the stability of the thifluzamide oil suspension is qualified, and phenomena of precipitation, agglomeration and stratification are not generated in heat storage at the temperature of 54+ / -2 DEG C for 14 days. The thifluzamide oil suspension has simple formula and production process, convenience for use and low production cost and adopts domestic additives completely; an organic solvent is not used to greatly lower the environmental pressure; and the control effect for rice sheath blight, false smut, wheat sheath blight and loose smut of cereal crops is better.

The invention provides a method for irradiation quality guarantee of box-packed flavor livestock and poultry products and relates to the technical field of food processing industries and food irradiation. The method is characterized in that according to dominant strain analysis determined in a method of cultivation and non-cultivation on the flavor livestock and poultry products, the treatment of ozone water at 5-15 mg / L is performed on production raw and auxiliary materials for 10-25 min; after livestock and poultry meat is cooked, a selected preservative is added to the livestock and poultry meat, and the livestock and poultry meat is placed in a packaging container and vacuumized and undergoes nitrogen-filled packing; water bath pasteurized processing is performed, and then irradiation sterilization is performed. According to the method, the initial bacterium carrying amount in well packed products can be effectively reduced, and then the water bath pasteurized processing and the special irradiation sterilization process are performed at the appropriate temperature and time.

The antique jade ornament making process features the computerized graph digitalizing design, the graph transmission to the laser carving machine and cutting machine for high speed carving and no-contact cutting, magnetically grinding to polish the workpiece, and the archaized coloring process, which includes boiling the workpiece inside apricot solution and fumigating the workpiece with fume generated by firing diesel oil and saw dust. The present invention has capacity of raising the artistic value of the jade ornament and high making efficiency, and the antique coloring technology may be used widely.

The invention discloses a pymetrozine water dispersing granule and a preparation method thereof. The pymetrozine water dispersing granule comprises the following components in percentage by weight: 5%-80% of pymetrozine, 2%-25% of dispersing agents, 2%-20% of disintegrating agents, 1%-15% of wetting agents, 0.1%-10% of cementing agents, and the balance of fillers complemented to 100%. The invention has stable physical and chemical property and difficult decomposition and degeneration, needs no organic solvent, has no dust entrainment, can not burn and explode, saves the petroleum resources, reduces the environmental pollution, is safe for operators and environments in the production and usage process, can be processed into a high-content preparation as required and saves the packing, storage and transportation cost.

The invention discloses a size control method for a high-precision roll-formed part, wherein the high-precision roll-formed part is obtained by a steel belt through a roll forming technology. Controlsteps comprise that (S10) a steel belt thickness outline of a to-be-processed steel belt is measured in advance; (S20) based on the measured steel belt thickness outline and a processing parameter database of a data center, target processing parameter settings of the steel belt are matched and computed; and (S30) the steel belt is rolled and processed by a rolling device according to the target processing parameter settings, so the high-precision roll-formed part is obtained. The method disclosed by the invention has the beneficial effects that the thickness outline of the fed steel belt is monitored, a processing matching curve of the steel belt thickness outline is calibrated in advance based on previous on-site debugging records and debugging experience, and then a real-time value of the thickness outline of the fed steel belt and the processing matching curve of the steel belt thickness outline are matched for computation of the target processing parameter settings of the steel belt, so optimum size control can be finally realized in advance processing.

The invention relates to the technical field of manufacturing semiconductor electronic components, in particular to a matrix-arranged microelectronic packaging lead frame. The lead frame includes a packaging window unit (1), a packaging array unit (2), a cross-symmetrical unit (3), a process calibration hole (4), a mechanical transmission positioning hole (5), a connecting rib (6), and a lateral positioning guide main rib ( 7) Composition; it overcomes the poor precision of the lead frame, low density, low output, lack of refinement of the outer pins of the plug-in components in the manufacturing process of the existing similar products, and the outer pins are too long and too wide , too thick and other defects, improve the packaging level of the semiconductor industry, promote the update and iteration of equipment, expand the overall structure according to the manufacturing requirements of semiconductor components, and achieve the optimal production plan and efficiency. The invention can be widely used in the industrial market and consumption The supply of semiconductor electronic components such as electronics is gradually developing towards high precision, high density and high output.

The invention relates to a method for optimizing design of a straight-tooth gear shaper cutter. The method is characterized by at least comprising the following steps that 1, the number Z0 of teeth of the gear shaper cutter is determined; 2, the maximum modification coefficient X0max is determined; 3, the minimum modification coefficient X0min is determined; 4, according to the number Z0 of the teeth, the maximum modification coefficient X0max and the minimum modification coefficient X0min in the steps from first to third, the distance from the fundamental section of the gear shaper cutter to the front end face of the gear shaper cutter and tooth profile parameters of the original section, the front end face and the inspection section of the gear shaper cutter are calculated; 5, the gear shaper cutter is designed according to the parameters calculated in the fourth step, and machining is conducted on a cut internal gear. The straight-tooth gear shaper cutter designed through the method has the advantages of being high in precision, reliability and efficiency, the manufacturing cycle of a gear cutter is shortened, and the manufacturing cost is reduced.

A method for comprehensive quality preservation of goose meat products relates to the food industry technical field, in particular to the quality preservation technical field of cooked animal meat products. The method comprises the following steps that: goose meat is cooked and then undergoes vacuum packaging; the product in vacuum packaging is dipped in water bath at a temperature of between 50 and 80 DEG C for 30 to 40 minutes, and then undergoes cold preservation at an ambient temperature of between 0 and 10 DEG C; then, the product undergoes nuclear irradiation at a dose of between 3 and 10KGY, and undergoes cold preservation at an ambient temperature of between 0 and 10 DEG C for 2 to 3 days; and the product is preserved at a normal temperature. The method adopts the nuclear irradiation technology which is combined with water bath initial sterilization, a cold preservation bacteriostatic technology and a vacuum packaging technical system so as to carry out comprehensive quality preservation of meat products of goose, etc. made through adopting a cooking method for traditional flavor; therefore, the method overcomes the contradiction between keeping qualities such as color, flavor, taste and shape and prolonging shelf life during food processing, and provides people with food of convenient eating, abundant nutrition, excellent sanitation and long shelf life.

The invention discloses a device for bending and deburring a stainless steel pipe. The device comprises a base, wherein a sliding groove is formed in the interior of the base; a part of the middle portion of the sliding groove communicates through the upper surface of the base; the steel pipe is arranged above the base; a first hydraulic rod is fixedly arranged at the left end of the upper surfaceof the base; a first fixing mechanism for fixing the steel pipe is fixedly arranged at the top of the first hydraulic rod; the steel pipe penetrates through the first fixing mechanism; the middle portion of the steel pipe is sleeved with a cleaning mechanism for deburring; and a moving mechanism for driving the cleaning mechanism to move left and right on the steel pipe is fixedly connected to the lower end of the cleaning mechanism. The device for bending and deburring the stainless steel pipe is reasonable in structure, and can simply fix the steel pipe and carry out deburring treatment onthe steel pipe automatically; the processing effect and efficiency are improved through a cleaning method combing rotating and moving; and meanwhile, residual burrs attached on the steel pipe can be automatically removed while the steel pipe is automatically bent, and therefore the processing quality is improved.

The invention relates to the technical field of cyclones and discloses a cyclone for a nozzle. The cyclone comprises a cyclone body, six swirling flow channels, a nozzle and a spray tube. The cyclonebody is located in an inner cavity of the spray tube, the six swirling flow channels are uniformly arranged on the outer wall of the cyclone body, the nozzle is located on the right side face of the spray tube, the periphery of the outer wall of the cyclone body is in contact with the inner wall of the spray tube, the six swirling flow channels are obliquely arranged on the outer wall of the cyclone body, the left side of the nozzle is connected to the right side face of the spray tube, and spray holes penetrating from left to right are uniformly formed in the right side of the nozzle. By replacing a conventional metal cyclone with a ceramic cyclone to replace application of a high-temperature alloy to a conventional nozzle, rare metal resources are saved. As for the swirling flow channelsformed in the outer wall of the cyclone body, advanced chemical etching and grinding forming techniques are adopted. Compared with conventional manual operation grinding, the processing grade is higher and more excellent, and the processing precision is better and more controllable.

The invention discloses a method for measuring parameters of a conical bearing ring based on three coordinates. The method comprises the steps of measuring the diameters of the raceways of an inner ring, measuring the diameters of the raceways of an outer ring, measuring the height of a large flange of the inner ring and measuring the middle diameters of the raceways of an outer ring of a double-row conical bearing. The method for measuring the diameters of the raceways of the inner ring comprises the following steps of: fitting a circle on each of the raceway at three height positions of theinner ring to obtain three corresponding circle diameters, and calculating the diameters of the raceways of the inner ring in one-to-one correspondence with the three heights according to the following formula: phi n=phi-2 (r / cos alpha-r)+2htan alpha; according to the raceway diameters phi n1, phi n2 and phi n3 of the inner ring in one-to-one correspondence with the three heights, adding phi n1, phi n2 and phi n3 and dividing the sum of the phi n1, phi n2 and phi n3 by 3 to obtain the raceway diameter phi n of the inner ring. The method for measuring the raceway diameter of the conical bearingring is convenient to operate, good in repeatability, high in measurement precision and capable of truly reflecting accurate parameters of a product contour.