33results about How to "Improve glue resistance" patented technology

The invention discloses an infrared remote control device realized based on an Android system. The device comprises a processor and an infrared emission diode. The processor includes a plurality of pins, the pins are connected to the infrared emission diode, the processor is used for placing the pins at high level or low level successively according to a plurality of predetermined encoding ways respectively when receiving a test instruction so as to generate a series of encoded infrared remote control signals in one-to-one correspondence with the encoding ways, and emits the series of encoded infrared remote control signals continuously to the electronic device through the infrared emission diode, and the series of encoded infrared remote control signals include remote control signals that control the electronic device in terms of carrying out a plurality of different operations. The infrared remote control device provided by the invention is conducive to realizing automation of electronic device infrared performance testing.

The invention discloses acrylics POSS-modified silicon dioxide nanoparticle-containing lubricating oil and a preparation method thereof, and belongs to the technical field of lubricating oil. The acrylics POSS-modified silicon dioxide nanoparticle-containing lubricating oil is prepared from basic oil and an additive, wherein the additive is prepared from acrylics POSS-modified silicon dioxide nanoparticles and N-normal-butyl-4-bromine-1,8-naphthalimide. After the acrylics POSS-modified silicon dioxide nanoparticles and N-normal-butyl-4-bromine-1,8-naphthalimide are added into the basic oil, the anti-wear and friction-reducing performance is greatly improved, and the bearing performance of the lubricating oil is also improved. Furthermore, the acrylics POSS-modified silicon dioxide nanoparticles and N-normal-butyl-4-bromine-1,8-naphthalimide are easily dispersed in the basic oil, and no agglomeration phenomenon is caused.

The invention relates to a face gear of a layered structure and an implementation method of the face gear. The face gear of the layered structure comprises a face gear tooth base body (1) and a gear tooth surface cladding layer (2). By selecting different materials, gear teeth have the graded distribution characteristic with hardness increasing gradually from inside to surface. The face gear tooth base body (1) and the gear tooth surface cladding layer (2) of different materials are combined into a whole through a laser cladding machining method. The gear tooth surface cladding layer (2) can be in a single-layer mode, and can also be in a multi-layer mode. When the face gear tooth surface cladding layer (2) is in the multi-layer mode, the distribution characteristic with hardness of the gear teeth increasing gradually is achieved by increasing the hard-phase content in cladding materials layer by layer or changing laser cladding process parameters. The adhesion wear resistance of the gear is enhanced, and the service life of the gear is prolonged.

The invention discloses an automatic cloth delivering and collecting device which comprises an automatic lifting mechanism and an automatic collecting mechanism. The automatic collecting mechanism is located on the side face of the automatic lifting mechanism, the automatic lifting mechanism is used for controlling up and down movement of the automatic collecting mechanism, the cloth height of the automatic collecting mechanism after cloth is collected is adjusted, and automatic adjustment is conducted conveniently according to the requirements of the cloth delivering needs. According to the automatic cloth delivering and collecting device, different kinds of cloth can be collected and delivered, the production efficiency is high, full-automatic unmanned operation is achieved, manpower is greatly saved, the production cost is reduced, and a good application prospect is achieved.

The invention relates to the technical field of gear modification, in particular to a gear modification method for reducing the contact temperature of the gear tooth surface, comprising the following steps: S1: selecting the three-tooth meshing area closest to the tooth tip and the corresponding two-tooth meshing area The tooth profile of the tooth profile to be modified is used as the tooth profile to be modified; S2: The plane rectangular coordinate system (O-L X Δ), the plane Cartesian coordinate system (O-L X Δ) of the ordinate axis L X Parallel to the radial direction of the gear, the abscissa axis of the plane rectangular coordinate system is the modification amount Δ; S3: Calculate the maximum modification amount Δ of the end point relatively close to the tooth tip on the tooth profile to be modified max ; S4: Select a modification curve, the equation of the modification curve is: In the above formula, L Δ It is the ordinate of the end point relatively close to the tooth tip on the tooth profile to be modified. The invention can reduce the maximum tooth surface contact temperature when the gear teeth are meshed, and reduce or even eliminate the sudden change of the load in each meshing area of ​​the meshing gear.

The invention discloses N-3-dimethylamino propyl-perfluorocarbon sulfonamide-containing lubricating oil and a preparation method thereof, and belongs to the technical field of lubricating oil. The N-3-dimethylamino propyl-perfluorocarbon sulfonamide-containing lubricating oil is prepared from basic oil and an additive, wherein the additive is prepared from N-3-dimethylamino propyl-perfluorocarbon sulfonamide and neodymium acetate. After the N-3-dimethylamino propyl-perfluorocarbon sulfonamide and neodymium acetate are added into the basic oil, the anti-wear and friction-reducing performance is greatly improved, the antiscuffing capacity of a friction pair is enhanced, and the bearing performance of the lubricating oil is also improved. Furthermore, N-3-dimethylamino propyl-perfluorocarbon sulfonamide and neodymium acetate are easily dispersed in the basic oil, and no agglomeration phenomenon is caused.

The invention relates to a mine vehicle axle wheel reductor planetary gear and a manufacture method thereof. The manufacture method comprises the following processing steps of: (1) forging to obtain a gear ring; (2) roughly turning; (3) carrying out preheat treatment; (4) finely turning; (5) carrying out ultrasonic flaw detection; (6) hobbing; (7) boring a plurality of oilholes in the wall of a planet wheel inner hole in the middle of the gear ring along the radial direction of the planet wheel inner hole; (8) carburizing for heat treatment; (9) performing plain grinding on two end faces of the gear ring to the required size and then grinding the planet wheel inner hole of the gear ring to the required size; (10) grinding the gear; (11) carrying out magnetic powder inspection; (12) strengthening shot peening at gear root; and (13) carrying out manganese phosphating. The planetary gear produced by adopting the manufacture method, disclosed by the invention has the advantages that the contact fatigue strength is better, the reliability is greatly enhanced and the service life is greatly prolonged; and according to the manufacture method provided by the invention, shot peening strengthening is adopted in processing the gear root, and the stress state of the gear root is changed, so that the gear root bending strength of the planetary gear is remarkably enhanced, the strength of the planetary gear is enhanced and the service life of the planetary gear is prolonged.

The invention relates to a machining method for a worm gear tooth part. The machining method comprises the steps that S1, arc machining is conducted on the worm gear tooth part; S2, the half angles of hobs and the center distance between the center of each hob and the center of a worm gear are calculated; S3, rough hobbing is conducted on the worm gear tooth part; S4, semi-finish hobbing is conducted on the worm gear tooth part; S5, finish hobbing is conducted on the worm gear tooth part; S6, grinding is conducted on the worm gear tooth part. The step S3, the step S4, the step S5 and the step S6 are all performed on a gear hobbing machine, and the same datum plane is utilized; the worm gear hubs used for gear hobbing conducted on the worm gear tooth part in the step S3, the step S4 and the step S5 are large-diameter worm gear hobs. The machining method has the advantages that a machined worm gear is high in accuracy and stable in transmission, contacting surfaces are easy to match, gear teeth are good in abrasion resistance, and bending strength is high.

The invention discloses lubricating oil containing perfluoro-1-octanesulfonyl fluoride and a preparation method thereof, and belongs to the technical field of lubricating oil. The lubricating oil containing perfluoro-1-octanesulfonyl fluoride is composed of base oil and additives. The additives are composed of perfluoro-1-octanesulfonyl fluoride and bismuth iso-octoate. After perfluoro-1-octanesulfonyl fluoride and bismuth iso-octoate are added into base oil, antiwear and antifriction performance is greatly enhanced, antiscuffing capacity of friction pairs is raised, and load-carrying capacity of the lubricating oil is also improved. In addition, perfluoro-1-octanesulfonyl fluoride and bismuth iso-octoate are easy to disperse in base oil and there will be no coagulation phenomenon.

The present invention discloses preparation process of lubricating oil containing cholesterol. Cholesterol in 0.05-4.0 wt% as additive is added into lubricating oil through heating to 80-90 deg c and stirring, before being cooled to normal temperature. Cholesterol may be added into lubricating oil easily without pollution to reduce friction and raise wear resistance of gears, worms, rolling bearings, sliding bearing and other mechanical parts, and raise the gluing resistance of the friction pair.

The invention discloses an aluminum alloy composition and a preparation process thereof, and relates to the technical field of profiles. The preparation process comprises the following steps: 1) putting aluminum into a smelting furnace for smelting, and when the smelting temperature inside the smelting furnace is 680+10 DEG C, adding magnesium oxide and stannic oxide for further smelting; 2) when the smelting temperature is 1600+10 DEG C, adding copper oxide, zinc oxide and silicon carbide, when the temperature is 750+10 DEG C, stopping heating, and preserving heat for 1 hour; 3) analyzing the smelted material by adopting spectral analysis, performing refining treatment at 740+10 DEG C after the material is qualified in the analysis, and further adjusting the smelting if the material is not qualified in the analysis; and 4) standing for 10-20 minutes after the refining is accomplished, putting the material into a heat preservation electric furnace of 720+10 DEG C for heat preservation, and finally casting to form blanks. Due to addition of the silicon carbide component, the problem of leakage caused by directional gap increase as a gear pump shaft sleeve is excessively abraded is effectively solved, and the service life and the output power of a gear pump are prolonged and improved, that is, the service life is 1-3 times longer than that of a conventional pump.

The invention discloses a packaging assembly control system. The system comprises a pack, an external surface and a removable outer packaging component, wherein the pack possesses a main body of a container limitedly used for receiving a candy product; the external surface is used for displaying a non-character class design; the removable outer packaging component is arranged surrounding the main body of the pack; and the outer packaging component is mainly non-transparent and includes character class product information.

The invention provides a multi-tooth-difference annular plate cascading speed reducer. The multi-tooth-difference annular plate cascading speed reducer comprises a central shaft, an inner gear and atleast two stages of transmission units connected in series; each stage of the transmission unit comprises a bearing force taking frame and an annular plate swinging wheel, the central shaft is sleevedwith the bearing force taking frames of the all stages of the transmission units, each stage of the annular plate swinging wheel is provided with an outer gear and multiple pin shafts, and the all stages of the annular plate swinging wheels mesh with the same inner gear; multi-tooth-difference cycloidal gear meshing is adopted as the meshing mode; power is transferred to the bearing force takingframe of the next-stage transmission unit through the pin shafts of the last-stage transmission unit, and the current-stage bearing force taking frame acquires rotating power from the last-stage transmission unit and drives the current-stage annular plate swinging wheel to eccentrically rotate; and the final-stage annular plate swinging wheel transfers power to the central shaft through the pin shafts. According to the multi-tooth-difference annular plate cascading speed reducer, assembling is easy, the structural rigidity is high, the multiple stages of the annular plate swinging wheels sharethe inner gear, and the movement transferring precision is higher; and structural arrangement is compact, the rigidity is higher than that of a general cycloidal-pin wheel speed reducer, and the impact resistance and the overload capacity are both improved.

The invention relates to a super-lubricated surface strengthening method of a graphite-like carbon film for a high-speed gear. The method comprises the following steps: firstly, sequentially carrying out shot blasting, micro-jetting and fluid polishing pre-treatment on the surface of the gear to enable the surface smoothness of the gear to be less than 0.2 micron; then, by adopting an unbalanced magnetron sputtering composite target technology, introducing elements such as Y and Ta into a graphite-like carbon film preparation technology to prepare a graphite-like carbon film with ultralow friction coefficient on the surface of the gear, namely carrying out sputter cleaning on the surface of a base metal 1; and sequentially preparing a Cr transitional layer 3, a Cr / C gradient layer 4 and a graphite-like composite work layer 5 with ultralow friction coefficient on a fluid polishing surface layer 2. The method provided by the invention solves the problem that a solid lubricating film of the high-speed gear is short in service life, and the vibrating noise of the high-speed gear is effectively reduced. The vibrating noise of a transmission gear by adopting the technology is reduced by 10-15%, so that the method provides a novel technical path for reducing the vibrating noise of the gear.

The invention discloses acrylics POSS-modified silicon dioxide nanoparticle-containing lubricating oil and a preparation method thereof, and belongs to the technical field of lubricating oil. The acrylics POSS-modified silicon dioxide nanoparticle-containing lubricating oil is prepared from basic oil and an additive, wherein the additive is prepared from acrylics POSS-modified silicon dioxide nanoparticles and N-normal-butyl-4-bromine-1,8-naphthalimide. After the acrylics POSS-modified silicon dioxide nanoparticles and N-normal-butyl-4-bromine-1,8-naphthalimide are added into the basic oil, the anti-wear and friction-reducing performance is greatly improved, and the bearing performance of the lubricating oil is also improved. Furthermore, the acrylics POSS-modified silicon dioxide nanoparticles and N-normal-butyl-4-bromine-1,8-naphthalimide are easily dispersed in the basic oil, and no agglomeration phenomenon is caused.