39results about How to "Reduce wear factor" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.