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39results about How to "Reduce wear factor" patented technology
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Low-VOC scratch-resistant modified polypropylene composite material and preparation method thereof
InactiveCN101787159AImprove adsorption capacityFully dispersedMolecular sievePolypropylene composites
The invention belongs to the field of modified polypropylene composite material, and relates to a low-VOC scratch-resistant modified polypropylene composite material which is applicable to manufacturing automobile interior trim parts, and comprises the components based on the parts by weight: 60-90 parts of polypropylene, 5-20 parts of toughening agent, 5-20 parts of mineral filler, 0.1-4 parts of odor adsorbent, 5-15 parts of wear-resistant agent / scratch-resistant agent and 0.1-3 parts of auxiliary agent, wherein the odor adsorbent is a mixture of three selected from clay, bentonite, porous silicon dioxide, activated aluminium oxide or molecular sieve; and the wear-resistant agent / scratch-resistant agent is one or a mixture of two in polytetrafluoroethylene micro powder or reaction-type polyorganosiloxane. The modified polypropylene composite material not only has better impact-resistant performance and strength, but also has excellent scratch-resistant performance and low-VOC diffusion characteristic; and the needed raw materials have wide source and can be conveniently and easily obtained.
Owner:SUZHOU SUNWAY POLYMER
Multi-functional diamond disk material conveying machine
The invention discloses a multi-functional diamond disk material conveying machine, and relates to the technical field of designing and manufacturing of conveying machinery. The multi-functional diamond disk material conveying machine consists of a drive assembly, a bracket frame, a rail, a transmission chain, diamond disks, material bearing frames, a chain adjusting assembly, a shaft, a bearing seat, a feed and discharge hopper, a bearing, a band-edge roller, a protective plate, a pin, a positioning component, a wheel fixing component and a base plate, wherein the diamond disks are installedin the mode of completely covering small uplift bodies by large uplift bodies on the connection positions of two adjacent diamond disks; a conveying transmission mode is bearing and roller transmission; each diamond disk consists of a material blocking plate and a material loading panel, the material bearing frames are arranged on the diamond disks, and the material loading panel is provided withthree construction modes. The material conveying machine has the technical characteristics of wear resistance, heat resistance, jamming resistance, can convey material leakage resistance and strong adaptability, powder materials, bag materials, block materials whose particle sizes are less than 300 mm and multiple materials whose temperature is within 500 DEG C, has the minimum conveying capacityof 10 T / h, and the maximum conveying capacity or over 2000 T / h.
Owner:夏才明
Oil film static-pressure guide device
InactiveCN101716725AExtended service lifeReduce wear factorLarge fixed membersHydraulic pumpProduct processing
The invention provides an oil film static-pressure guide device belonging to the technical field of machine tool equipment and solving the problems of the poor tightness, nonuniform oil ways, the easy guide rail abrasion, low product processing precision and hydraulic oil utility ratio, environment pollution, and the like of the traditional hard guide rail. The oil film static-pressure guide device compromises a guide rail rack, a large planker, a small planker and a hydraulic pump, wherein the guide rail rack is provided with a guide rail; the large planker is arranged on the guide rail; the small planker is arranged on the large planker; the large planker is provided with an oil supply mechanism which communicates the large planker with the hydraulic pump and enables hydraulic oil to form an oil film between the large planker and the guide rail; and the guide rail rack is provided with a sealing mechanism which can prevent the hydraulic oil from overflowing. The invention has the advantages of uniform oil film distribution, good processing stability, high processing precision, good rigidity, and the like.
Owner:王清明
Super-antiwear cast form nylon pulley and processing method thereof
InactiveCN101063482AHigh crystallinityLow densityPortable liftingGearing elementsCorrosionCushioning
A super abrasion-proof nylon block and the manufacturing method relates to the high molecular material-nylon 6 and the manufacturing method of the material. The technical scheme is that the proportion by weight of aminocaprolactam, accelerant and curative is 1000:1. 2-1. 6:3-4. The invention is characterized in that 1, small density and inertia, light quantity and stable operation, 2, superior mechanic property, high intensity and rigidity, good tenacity and creep resistance, antihunt with high shape stability and completely exchangeable with cast-steel block, 3, abrasion-proof function with good self-lubricating property, 4, grease-proof and corrosion-proof without rustiness, 5, good cushioning capacity without noise.
Owner:扬州赛尔达尼龙制造有限公司
Manufacturing process of external gear drum type broach fine gear cutter disc
The invention relates to the technical field of metal cutting tool manufacturing, and particularly relates to a manufacturing process of an external gear drum type broach fine gear cutter disc. The process comprises the technological steps of blank manufacturing, turning machining, wire cutting rough machining, vacuum heat treatment, cold treatment, surface grinding, rake face grinding, walking wire slowly for inner tooth fine cutting, cutter fine grinding through cylindrical grinding and the like, wherein in the surface grinding working procedure, low-temperature stress-removing aging treatment procedures are arranged between the surface rough grinding and the surface semi-fine grinding and between the surface semi-fine grinding and the surface fine grinding correspondingly to eliminate the surface stress generated in the grinding process so as to reduce the deformation after the surface fine grinding. According to the process, the manufacturing precision of the drum type broach cutter disc is improved, the wear resistance of the cutter disc is improved, and the manufacturing cost of the cutter disc is reduced.
Owner:JIANGYIN SAITE PRECISION TOOL
In hoistway sheave resurfacing
A method of and system for repairing the sheaves (24) in an elevator system has these steps. The ropes (22) associated with the sheave are removed, the sheave is cleaned, and a coating (24) is deposited on the cleaned surface. The coating is adapted to reduce the wear coefficient of the surface of the coated sheave by about 80 % to 90 % with respect to the sheave without a coating. The thickness of the coated sheave is adjusted to produce a specified sheave diameter.
Owner:OTIS ELEVATOR CO
Valve rod leak-proof structure
The invention discloses a valve rod leak-proof structure, which has the key point as follows: a valve rod is composed of an upper valve rod and a lower valve rod, wherein the lower valve rod is composed of a lower ceramic ring and a ceramic ring base, the lower ceramic ring is inlaid on the upper end of the ceramic ring base, the middle of the ceramic ring base is provided with a groove used for being connected with the upper valve rod, and the ceramic ring base is connected with a valve core; the inner side of a valve cap is inlaid with an upper ceramic ring corresponding to a lower ceramic ring, and the contact surface of the upper ceramic ring and the lower ceramic ring is a seal surface; the upper end of the upper valve rod is connected with a valve handle, and the lower end is connected with the ceramic ring base; and a valve spring is installed between the ceramic ring base and the valve core. The invention has simple structure, portable operation, low cost, favorable sealing property, long service life and low wear coefficient; the upper valve rod can be pulled out from the valve body at any time for maintenance so as to eliminate the defects that the valve rod can not be pulled out for maintenance when the traditional valve is used; the design is suitable for a valve which is communicated from top to bottom, namely a valve inputs from top and outputs from bottom; and when the valve is closed, fluid force and spring force can jointly achieve the purpose of the driving fit of porcelain facing.
Owner:陈建成 +2
Piston made of Al/Si-Mg*Si composite material and preparation method thereof
InactiveCN101446243AClean interfaceHigh hardnessPlungersMachines/enginesCombustion chamberThermal expansion
The invention relates to a piston made of Al / Si-Mg*Si composite material and a preparation method thereof. The top part and the ring groove part of the piston are served as reinforcing particle areas for Si and Mg2 Si material to spontaneously precipitate during alloy solidification process, and reinforcing particles in the reinforcing particle areas are decreased from high to low from the top part in contact with a combustion chamber to the ring groove part; a section from a skirt section to a pin boss is served as a basal body, and is served as a reinforcement-free particle area for eutectic crystal or hypo eutectic Al-Si alloy. The piston of the invention has a light weight, can be recycled repeatedly, has a low cost and meets the requirements of energy conservation and environment protection, and the manufacturing process is simple. The top part and the ring groove part of the piston has the advantages of high hardness, high wear resistance and low coefficient of thermal expansion; and the skirt section and the pin boss of the piston have advantages that that the mechanical strength is good, the requirements of high power engine for piston performance can be met, the heat treatment can be performed according to the requirements of the machining and the performance, the subsequent processing is convenient , and the service life is long.
Owner:CHONGQING UNIV
Railway-suspended scrapper conveyer
The track suspended scraper conveyer includes driving motor, storage bin, A-shaped feeding bin, conveying chain, head assembly, tail assembly, under frame, structural frame, chain regulator, feeding bucket, discharge bucket, sealing board, observing widow, limiting board, bearing seat assembly, chain wheel, driving chain, under plate and fixing screw bolts. There is interval between bottom and side of the storage bin and the scraper, so that the scraper is suspended without contact with the storage bin, and this results in low friction coefficient, less wear, homogeneous material conveying, no leak of material, no jamming, long service life, convenient maintenance and normal running.
Owner:夏才明
Antibacterial fibroin-based bionic coating and preparation method thereof
InactiveCN106581755AImprove wear resistanceGood antibacterial effectAnodisationPharmaceutical delivery mechanismPolyvinyl alcoholBiocompatibility Testing
The invention discloses an antibacterial fibroin-based bionic coating and a preparation method thereof. The bionic coating is prepared from the following raw materials: fibroin, caffeic acid dopamine, dopamine hydrochloride, chitosan fibers, polyurethane, boric acid, calcium metaphosphate, strontium fluorapatite, a seaweed extract, galuteolin, puffball powder, zinc oxide, strontium gluconate, glycine fumarate, potassium hydroxide, polyvinyl alcohol, distilled water, glycol salicylate and ethanol. The bionic coating provided by the invention is high in bonding intensity with a metal implant, low in coefficient of wear on a steel ball and excellent in wear resistance, and the bionic coating is excellent in antibacterial effect on staphylococcus aureus; and meanwhile, the bionic coating is good in biocompatibility, free from cell toxicity, free from formation of blood coagulation and thrombosis and free from any inflammatory reaction, and the bionic coating has a good clinical application value.
Owner:苏州纳贝通环境科技有限公司
Knee-and-column milling machine with detachable cooling hole reduction gear milling head
ActiveCN104625757AReduce rotation speedReduce wear factorLarge fixed membersMaintainance and safety accessoriesGear driveHard metal
The invention aims to provide a knee-and-column milling machine with a detachable cooling hole reduction gear milling head. According to the technical scheme, the knee-and-column milling machine is composed of a base, a stand column mechanism, a ram box device, a lifting sliding base device, a working table and a collecting box. The universal milling machine can perform machining conveniently, flexibly and quickly. A universal milling head device is realized by transmission of a pair of gears which are matched with each other, can rotate mutually and are perpendicular to each other. The universal milling head device of the mechanism is provided with the reduction gear milling head. The milling head is a hollow cooling tube formed by hard alloy or other hard metal materials to penetrate through the body of the whole milling head device, and the two ends of the milling head are provided with hollow openings to facilitate air flowing. When the machine is stopped from working, the rotating speed of the milling head can be rapidly decreased through the milling head device, so that abrasion is reduced, and the service life of the milling head is prolonged. Because the universal milling head device is detachably connected with the reduction gear milling head, the milling head can be replaced with milling head tools of other specifications and models according to actual machining requirements.
Owner:TIANJIN HENGXING MECHANICAL EQUIP
Piston made of Al/Si-Mg*Si composite material and preparation method thereof
InactiveCN101446243BClean interfaceHigh hardnessPlungersMachines/enginesCombustion chamberThermal expansion
Owner:CHONGQING UNIV
Machining tool truss manipulator
InactiveCN111215912ASave human resourcesNot easy to rustLarge fixed membersMetal working apparatusManipulatorNumerical control system
The invention discloses a machining tool truss manipulator. The machining tool truss manipulator comprises a rack, wherein a machine tool machining mechanism is arranged at the top of the rack; a workpiece and tool clamp loading and unloading mechanism is arranged at the top of the rack and is positioned right above the machine tool machining mechanism; the workpiece and tool clamp loading and unloading mechanism comprises a clamping jaw mechanism and a truss manipulator; the truss manipulator comprises an aluminum alloy section horizontal beam and an aluminum alloy section vertical arm; the clamping jaw mechanism is arranged on the vertical arm; a base is arranged on one side of the rack; a movable workbench and a loading, unloading, conveying and receiving mechanism are arranged at the top of the base; an electric control box is arranged on one side of the rack; and a switch button knob, two numerical control system controllers and a motion controller are arranged on the surface of the electric control box. According to the machining tool truss manipulator, steel beams and columns are replaced with aluminum alloy sections, secondary machining of mounting holes is not needed, thelength is random, large equipment for machining the mounting holes is omitted, tedious machining procedures and tool clamps are omitted, and manpower resources required by secondary machining are saved.
Owner:宁波广博瑞数控设备有限公司
Cleaning drum for electroplating of automobile parts
The invention relates to the field of electroplating of automobile parts, in particular to a cleaning drum for electroplating of the automobile parts. The cleaning drum comprises a cleaning drum body; the cleaning drum body is of an uncovered cylindrical structure; the cleaning drum body comprises the side wall and a bottom plate; water outlet holes are formed in the side wall and the bottom plate; a layer of inner shell is arranged in the side wall in a sleeving mode; water via holes corresponding to the water outlet holes are formed in the inner shell; the upper half section of the inner shell is circumferentially arranged by attaching to the side wall; the lower half section of the inner shell is inclined inwards; a plurality of stirring bars are vertically and uniformly disposed on the inner shell. By means of the additional arrangement of a stirring mechanism, the automobile parts can be uniformly cleaned, and the cleaning force is improved.
Owner:CHONGQING PENGLEI AUTO PARTS CO LTD
Lead wire storage device of electrocardiogram monitor
InactiveCN112244857AAvoid excessive wearReduce friction coefficientDiagnostic recording/measuringSensorsElectrocardiographic monitorStructural engineering
The invention discloses a lead wire storage device of an electrocardiogram monitor. The lead wire storage device structurally comprises a lead wire storage groove, a rear cover frame groove, an integrated electric plate seat, a button strip plate, a display screen and a start-stop button seat. According to the lead wire storage device, the lead wire storage groove is matched with the integrated electric plate seat, and the integrated electric plate seat is used for switching on a lead wire to be adaptively inserted into a storage inner groove to achieve use operation of the electrocardiogram monitor; after standing, the lead wire is erected, and the arc buckle soft cushion wrapping clamping end of an arc buckle soft cushion seat is attached to a ball cap, so that the effect of reducing theabrasion coefficient by point contact type rolling friction is conveniently achieved; and the subsequent lead wire end is matched with a wire end clamping frame to achieve gripping, and an end cap issubjected to plate pressing, reverse buckling and sliding pressing operation, so that the effect of storing the lead wire by a trigger switch is achieved, the lead wire maintenance degree and the equipment storage efficiency of the electrocardiogram monitor equipment are improved, and the light carrying and assembling efficiency of the electrocardiogram monitor is improved.
Owner:绵阳市第三人民医院
Reduction gear milling head with cooling holes
ActiveCN104625831AReduce wear factorEasy to disassembleMilling equipment detailsDriving apparatusHead fractureEngineering
The invention aims to provide a reduction gear milling head with cooling holes. According to the technical scheme, the reduction gear milling head is a hollow cooling tube formed by hard alloy or other hard metal materials to penetrate through the body of a whole milling head device, and the two ends of the reduction gear milling head are provided with hollow openings, a drying device and a reduction gear device; the drying device is mainly used for drying inflowing air so that it can be avoided that due to too high air humidity, the lubricating effect on the interior of the milling head is influenced; the reduction gear device decreases the wear coefficient of the milling head; due to an elastic damping sheet, when the milling head makes contact with a milled object, the acting force, on the surface of the milled object, of the milling head is gradually increased, and then the phenomenon that due to misoperation or contact surface unevenness, the milling head fractures will not occur. The whole milling head is integrally packaged and is convenient to disassemble and maintain. Due to the adopted hollow structure, air ventilation can be achieved when the milling head works, heat generated when the milling head works can be reduced, and the service life of the milling head is prolonged.
Owner:TIANJIN HENGXING MECHANICAL EQUIP
Intelligent prison cell door
InactiveCN101575934BEnvironmentally friendlySave energyBurglary protectionNon-mechanical controlsLow noiseEngineering
Owner:NANJING QILIN ELECTRIC DOOR MFG
Synchronous gear shifting type wet hydraulic clutch for automatic gearbox
PendingCN110701209APrevent wrong gear shiftingIncrease shift speedFluid actuated clutchesPhysicsClutch
The invention discloses a synchronous gear shifting type wet hydraulic clutch for an automatic gearbox. The synchronous gear shifting type wet hydraulic clutch comprises a power input and output component, a friction pair assembly, a control execution component, a synchronous feedback component and a sealing component. The synchronous gear shifting type wet hydraulic clutch is of an integrated design and integrates four parts of control, execution, cooling and lubrication; the working stability and the transmission efficiency of the clutch are improved through the integrated design; the dailymaintenance cost is reduced; the installation space is saved, and the use method is simpler, more convenient and more flexible. A friction pair is of a wet multi-piece structure formed by alternatelymounting steel and sintered / paper substrates, the specific pressure is high, the friction coefficient is large, the wear coefficient is small, and the heat capacity is high; the characteristics of thefriction pair determine that the size of the clutch is small, and the generated torque is large; the combined structure form can generate very high torque under very small inertia, and maintenance isbasically not needed; the friction pair is made of a metal sintered material, no asbestos component exists, and the environment cannot be polluted; and the ratio of the dynamic friction coefficient to the static friction coefficient of the multi-piece structure is small, meshing balance is achieved, and noise cannot be generated.
Owner:SHANGHAI LIANGQI ELECTROMECHANICAL EQUIP CO LTD
Coating composition for drilling tool as well as preparation method and application thereof
InactiveCN103555026AReduce mistakesReduce failureUnspecified rubber coatingsBall bearingSurface layer
The invention provides a coating composition for a drilling tool. The coating composition for the drilling tool comprises the following components in percentage by weight: 16-28wt% of nano copper, 5-10wt% of polytetrafluoroethylene micro powder, 10-14wt% of a metal adhesion agent and 50-65wt% of an organic solvent. Due to the adoption of the nano copper in the coating composition for the drilling tool, the abrasion coefficient and friction of the surface of the material can be greatly reduced, so that the lubricating property of the material can be greatly improved; the polytetrafluoroethylene micro powder plays a similar role of a ball bearing in the friction process, reduces the plane abrasion and plays a role of reducing the abrasion; a large number of free electrons exist on the PTFE (polytetrafluoroethylene) surface layer, easily react with metals on the friction surface and generate metal fluorides; due to the metal fluorides, the abrasion is reduced. Consequently, due to the coating composition for the drilling tool, thread gluing and torque errors of the drilling tool can be reduced, so that the drilling tool failure can be reduced.
Owner:四川华德莱斯石油装备股份有限公司
Air inlet protective plug for train brake rear cover and preparation method thereof
ActiveCN110203242BPlay a limiting roleAvoid wear and tear off paint, etc.Railway braking systemsScrew threadThreaded rod
Owner:镇江市营房塑电有限公司
Intelligent safe driving vehicle-mounted management system based on multi-information fusion
PendingCN114715053AEnsure safetyGuaranteed lifeVehicular energy storageElectric/fluid circuitReal-time dataIn vehicle
The invention discloses an intelligent safe driving vehicle-mounted management system based on multi-information fusion, and relates to the technical field of traffic, the intelligent safe driving vehicle-mounted management system based on multi-information fusion comprises an intelligent vehicle-mounted management system, the intelligent vehicle-mounted management system is in signal transmission connection with a fuel oil management system and a power unit monitoring module, according to the intelligent safe driving vehicle-mounted management system based on multi-information fusion, the safety coefficient of vehicle driving is guaranteed, the problem that a traditional vehicle can only carry out real-time data alarm and power early warning of fuel oil is solved, and the safety of the vehicle is improved. Therefore, the monitoring of detail ends in the fuel management system and the power unit monitoring module is improved, the driving safety of the vehicle is guaranteed, the wear coefficient of the fuel management system and the power unit monitoring module in the vehicle is reduced, and the service life of the vehicle is guaranteed.
Owner:GUANGZHOU COLLEGE OF TECH BUSINESS CO LTD
Wear-resistant plastic shell of a mahjong machine
The invention discloses a wear-resistant plastic shell of a Mahjong machine, and relates to the technical field of preparation of a Mahjong machine. The wear-resistant plastic shell of the Mahjong machine is prepared from the following components: ABS resin, a plasticizer, a dispersing agent, fillers, modified nanometer zinc oxide and activated diatomite coordinated starch. The wear-resistant plastic shell of the Mahjong machine, provided by the invention, has high wear resistance, also has high tensile property and can obviously prolong the service life of the Mahjong machine.
Owner:永春县产品质量检验所福建省香产品质量检验中心国家燃香类产品质量监督检验中心福建
A lifting table milling machine with a detachable heat dissipation cooling hole reduction gear milling head
ActiveCN104625757BReduce rotation speedReduce wear factorLarge fixed membersMaintainance and safety accessoriesGear driveHard metal
The invention aims to provide a knee-and-column milling machine with a detachable cooling hole reduction gear milling head. According to the technical scheme, the knee-and-column milling machine is composed of a base, a stand column mechanism, a ram box device, a lifting sliding base device, a working table and a collecting box. The universal milling machine can perform machining conveniently, flexibly and quickly. A universal milling head device is realized by transmission of a pair of gears which are matched with each other, can rotate mutually and are perpendicular to each other. The universal milling head device of the mechanism is provided with the reduction gear milling head. The milling head is a hollow cooling tube formed by hard alloy or other hard metal materials to penetrate through the body of the whole milling head device, and the two ends of the milling head are provided with hollow openings to facilitate air flowing. When the machine is stopped from working, the rotating speed of the milling head can be rapidly decreased through the milling head device, so that abrasion is reduced, and the service life of the milling head is prolonged. Because the universal milling head device is detachably connected with the reduction gear milling head, the milling head can be replaced with milling head tools of other specifications and models according to actual machining requirements.
Owner:TIANJIN HENGXING MECHANICAL EQUIP
A kind of microorganism immobilized loofah and its preparation method and application
InactiveCN105483114BImprove water retentionImprove hydrophilicityWater treatment compoundsOn/in inorganic carrierSludgeNutrient solution
Owner:SHANGHAI JIAOTONG UNIV
Insert type polytetrafluoroethylene static pressure dry gas sealing ring for battery ternary material stirring equipment and preparation method and application of insert type polytetrafluoroethylene static pressure dry gas sealing ring
PendingCN114198502AExtended service lifeImprove quality and safetyEngine sealsDomestic articlesCarbide siliconLaser processing
The invention discloses an embedded polytetrafluoroethylene static pressure dry gas sealing ring for battery ternary material stirring equipment and a preparation method and application thereof, the embedded polytetrafluoroethylene static pressure dry gas sealing ring comprises two sealing rings, namely a movable ring and a static ring, and the groove type structure of the sealing rings is a rectangular groove type with throttling holes. Static pressure dry gas sealing is introduced into the battery ternary material stirring equipment, the problem that a contact type sealing end face is seriously abraded is solved to a great extent, and the service life of the sealing device is prolonged. Meanwhile, a polytetrafluoroethylene material is adopted to replace traditional sealing ring materials such as silicon carbide and hard alloy, so that the pollution risk of a battery ternary material stirring equipment product is reduced, and meanwhile, the sealing device can be popularized to mechanical production equipment in the industries of food, medicine and the like. In order to prevent the polytetrafluoroethylene static pressure dry gas sealing ring from being softened and deformed due to laser processing and the processing difficulty caused by a too small throttling hole, the sealing ring is processed and manufactured in an embedded processing mode, and the processing precision of the sealing ring can be effectively improved.
Owner:KUNMING UNIV OF SCI & TECH
Trimming mold for machining movable pole plate connecting piece of electrostatic precipitator
The invention relates to a trimming mold for a machining movable pole plate connecting piece of an electrostatic precipitator. The trimming mold is characterized by comprising an upper mold and a lower mold fitting with each other, wherein the upper mold comprises an upper template; a mold handle is arranged at the upper side of the upper template; the lower side of the upper template is respectively connected with a trimming punch and an elastic piece; the lower mold comprises a lower template; a trimming lower mold is mounted on the lower template; a guide rail is additionally mounted on the lower template at one side of an edge of the trimming lower mold, and is provided with a slide block; the slide block is connected with an inclined wedge fitting the trimming punch; a stand plate is arranged in the sliding direction of the slide block; a return piece is arranged between the stand plate and the slide block; and a set of guide devices is arranged between the upper template and the lower template. The trimming mold has the following advantages: the trimming mold is simple and safe in operation, relieves the labor intensity, and improves the workpiece machining efficiency; and the mold is mounted on a punching machine for working, and the stress of the punching machine is uniform, so that the wear coefficient is low.
Owner:ENELCO ENVIRONMENTAL TECH ANHUI
Super-antiwear cast form nylon pulley and processing method thereof
InactiveCN100504116CHigh crystallinityHigh molecular weightPortable liftingGearing elementsNylon materialNylon 6
Owner:扬州赛尔达尼龙制造有限公司
A manufacturing process of a fine-cut tooth cutter head for an external-toothed barrel broach
ActiveCN110587246BHeat treatment deformation is smallImprove mechanical propertiesManufacturing technologyWire cutting
The invention relates to the technical field of metal cutting tool manufacturing, and particularly relates to a manufacturing process of an external gear drum type broach fine gear cutter disc. The process comprises the technological steps of blank manufacturing, turning machining, wire cutting rough machining, vacuum heat treatment, cold treatment, surface grinding, rake face grinding, walking wire slowly for inner tooth fine cutting, cutter fine grinding through cylindrical grinding and the like, wherein in the surface grinding working procedure, low-temperature stress-removing aging treatment procedures are arranged between the surface rough grinding and the surface semi-fine grinding and between the surface semi-fine grinding and the surface fine grinding correspondingly to eliminate the surface stress generated in the grinding process so as to reduce the deformation after the surface fine grinding. According to the process, the manufacturing precision of the drum type broach cutter disc is improved, the wear resistance of the cutter disc is improved, and the manufacturing cost of the cutter disc is reduced.
Owner:JIANGYIN SAITE PRECISION TOOL
Thread abrasion prevention pressing block for brake shoe automatic riveting equipment
The invention relates to a thread abrasion prevention pressing block for brake shoe automatic riveting equipment. The thread abrasion prevention pressing block is prepared from, by weight, 15-18 parts of polyethylene resin, 10-28 parts of organic silicon resin, 16-25 parts of furan resin, 3-5 parts of alkylphenol polyoxyethylene, 1-2 parts of polyoxyethylene lauryl ether, 6-8 parts of ammonium bicarbonate, 12-18 parts of aluminum oxide, 16-28 parts of graphite, 7-14 parts of molybdenum dioxide and 12-14 parts of calcium carbonate. The thread abrasion prevention pressing block produced according to the matching ratio is quite small in abrasion coefficient and not prone to abrasion in the long-time using process, so that looseness and displacement phenomena are avoided in the riveting process, and the probability that waste and degraded products are produced in the machining process is lowered.
Owner:HEFEI WANXIANG QIANCHAO AUTO PARTS
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