48results about How to "Improve running-in" patented technology

The invention provides an intelligent regulation method for display screen backlight brightness, which is characterized by comprising the following steps of: presetting a reference table in which display screen backlight values and environment light brightness valves correspond; acquiring the current environment light brightness valve, and setting the display screen backlight value according to the reference table; when a user feels that the display screen backlight brightness is not proper, performing manual setting; and after confirmation is ended, updating the new display screen backlight value into the reference table and enabling the new display screen backlight value to correspond to the current environment light brightness valve. The invention also provides a system for implementing the method, which is characterized by comprising a photosensitive module, a matching module, a light control module, a manual regulation module and an updating module. According to the intelligent regulation method for the display screen backlight brightness, not only can the automatic regulation function of the display screen backlight brightness be utilized but also the personal requirements of different users can be met, and thereby, the man-machine running-in degree is increased, and the comfort requirements of the users on visual sensation can be met.

The invention discloses a manganese series liquid phosphide in surface chemical technical domain, which comprises the following steps: allocating with mass ratio as 2. 0-8. 0 phosphoric acid, 1-10 horse sun husband salt, 2-8 sodium nitrate, 0. 5-5 zinc nitrate, 3. 0-5. 0 nickel nitrate, 1-4 sodium nitrite, 0. 5-6 hydrogen dioxide solution and 45-60 softened water; getting the product. This invention can improve wear resistance and prolong durability of gear.

Composite metal powder for sintered bearings, prepared by coating surface layers of particles of iron powder with 10 wt.% to less than 30 wt.% of copper based on the iron powder so that the particle size of the coated iron powder is at most 80 meshes, the content of the powder of at most 350 meshes is at most 30%, and the specific surface area of the powder is 450-750 cm<SP>2</SP>/g according to the subsieve sizer method. This metal powder can provide an oil-retaining bearing for motors, which is capable of providing a low gas-permeability without decreasing the oil content and which has a low and constant coefficient of friction, a high corrosion resistance, a high adaptability and a high durability, readily at a low cost.

This invention provides a sliding component of a compressor that has a high tensile strength, can develop satisfactory durability during operation, can realize ''familiarity'' in the earliest possible stage, and does not cause seizing during abnormal operation. Sliding components of compressors (17, 23, 24, 26, 39, 60, 96, 310b, 524, 526, 644, 646, 724, 726, 734, 736, 817, 821, 823, 824, 825, 826, 827, 921, and 924)comprise 2.0 to 2.7% by weight of carbon and 1.0 to 3.0% by weight of silicon with the balance consisting of iron containing unavoidable impurities. In this case, graphite is smaller than flake graphite in flake graphite cast iron, and the hardness of at least a part thereof is higher than HRB90 and lower than HRB100.

The present invention relates to a method for producing a component, in particular a blade for a gas turbine, wherein a main body (2) is provided, to which a running-in layer (6) is applied, which can be worn away at least partially during operation to form an accurately fitting surface (11), wherein the running-in layer is applied by kinetic cold-gas compacting, and a component, in particular a blade for a gas turbine, comprising a main body, to which a running-in layer is applied, which can be worn away at least partially during operation to form an accurately fitting surface, wherein the running-in layer is a porous layer made of a Ti alloy.

The invention relates to an automatic-door threaded rod of a railway vehicle and an anti-friction coating thereof as well as a spraying method of the anti-friction coating. The dry film thickness of the anti-friction coating is 15-25 micrometers, the flashing point of the coating is 110 DEG C, and the specific gravity of the coating is 1200+/-60g/L; and the coating comprises the following components in percentage by weight: 1-6% of molybdenum disulfide, 10-28% of graphite, 1-3% of graphite fluoride, 2-8% of tungsten disulfide, 0-3% of molybdenum diselenide, 1-3% of nanometer diamond, 1-5% of silicon nitride, 2-8% of aluminium oxide, 0-3% of silica, 0-2% of antimony trioxide, 3-15% of silicon carbide, 0-1.5% of carbon nanotube, 10-16% of polyester resin, 15-30% of epoxy resin, 6-20% of acrylic resin and 0-8% of powder surface treating agent. The automatic-door threaded rod of the railway vehicle, which adopts the anti-friction coating, has good self-lubrication and abrasion performance; the production process is simple; and the production cost is low.

The invention relates to a high-speed train carbon ceramic braking material manufacturing method, which comprises: preparing a carbon fiber preform and a Ti3SiC2 slurry, carrying out vacuum pressure impregnation on the carbon fiber preform by using the Ti3SiC2 slurry, depositing pyrolytic carbon in the carbon fiber preform containing Ti3SiC2 ceramic powder by using propylene or natural gas as a reaction gas to obtain a low-density carbon/carbon composite material containing Ti3SiC2 ceramic powder, and carrying out liquid phase siliconizing on the prepared low-density carbon/carbon composite material to obtain the carbon ceramic braking material with characteristics of high Ti3SiC2 content and uniform distribution. According to the present invention, the prepared material has advantages ofhigh toughness, high thermal conductivity, high-temperature resistance, oxidation resistance and good friction and wear property; and the method has advantages of simple process and good reproducibility, and is suitable for mass production.

The invention relates to a slow release coated wax of an efficient slow release composite fertilizer. The slow release coated wax of an efficient slow release composite fertilizer is glistened particles, and is prepared through a reaction of main raw materials comprising 42-75wt% of refined wax, 15-50wt% of microcrystalline wax, 35-55wt% of beeswax, 18-33wt% of palm wax and 1-10wt% of Chinese insect wax, and substances comprising an additive, an assistant, a biodegradation promotion substance, an acidic mixture and an organic material at 95-105DEG C for 20-40min. The slow release coated wax of an efficient slow release composite fertilizer has the advantages of simple preparation, wide raw material sources, good toughness and strength, good slow release effect in soil, neutralization of alkaline soil, and no pollution to the environment.

The invention discloses a piston with a steel top and an aluminum skirt for a 230SG type gas engine. The piston comprises a steel piston top [2] and an aluminum skirt body [3] which is coaxially connected with the piston top [2] to form the piston, the upper end of the skirt body [3] is provided with a short column with the diameter smaller than the diameter of the skirt body [3], a connection end of the piston top [2] and the skirt body [3] is provided with an inner bore matched with the short column in diameter, the sleeved connection of the piton top [2] is realized through the matching of the inner bore and the short column, a sealing ring [4] is arranged between the short column and the inner bore, the piston top [2] is integrated with the skirt body [3] into a whole through the matching of a bolt [5] and a nut [7], the upper part of the piston top [2] is provided with a groove [8] sinking inwards, and the external circular face of the piston top [2] is provided with two gas ring grooves [9] and an oil ring groove [10]. The invention has long service life without power reduction.

A method of forming a wear protection layer for a machine component that forms a slide pairing with a further machine component includes gas-carbonitriding at least one of the machine components in order to minimize wear. The gas-carbonitriding includes forming a thin uniform bonding layer and a comparatively thick diffusion layer thereunder. The gas-carbonitriding is performed at a low temperature and for a long duration.

The invention relates to a seal (10) for sealing a gap between a stationary component and a moving component, in particular for sealing a radial gap between a rotor and a stator of a turbomachine, comprising at least one sealing segment (12) with an edge zone (14) facing the gap, whereby the seal (10) is produced layer-by-layer by a free-forming method, in particular a generative or additive method. A plurality of pre-defined weak regions (16) is formed in the edge zone (14) of the sealing segment (12). In addition, the invention relates to a method for producing a seal (10) as well as a turbomachine.

The invention discloses a technology of utilizing a liquid-solid rolling cladding method to prepare a bimetallic bearing. According to the technical scheme, the technology comprises the following steps: adopting the liquid-solid rolling cladding method combining a casting method with a composite method; directly pouring zinc-based aluminum alloy molten metal to a base metal; cooling, solidifying and rolling by water cooled rolls to produce a composite board without larger plastic deformation. The technology disclosed by the invention has the characteristics as follows: the bimetallic bearing alloy prepared by the technology is excellent in compression resistance, tension resistance, mechanical property, friction performance, high-temperature stability performance and casting property; meanwhile, the liquid-solid rolling cladding method is a near net-shape processing method organically combining the hot dip aluminum plating with aluminum alloy cast rolling, so that the method is high in combined strength, low in production cost, less in equipment investment, high in production efficiency, low in energy consumption and high in composite board binding strength, and further has a good market prospect.

The invention discloses a piston type air cylinder, comprising a cylinder body, a piston and a piston rod, wherein three annular grooves are arranged in the piston; a piston ring is mounted inside the first annular groove; oil scraping rings are mounted inside the second annular groove and the third annular groove; arc bumps in contact with the inner wall of the air cylinder are arranged on the outer edge face of the piston ring; and the oil scraping ring mounted inside the third annular groove is a three-petal type oil scraping ring. According to the scheme provided by the invention, the three annular grooves are arranged in the piston, and the piston ring provided with the arc bumps is mounted inside the first annular groove, so that one line in contact with the air cylinder can be kept when the piston is tilted. Therefore, the sealing property is good; the air cylinder is difficult to scrap; the grinding-in property is good; and the oil scraping rings are mounted inside the second annular groove and the third annular groove, and the three-pedal type oil scraping ring is mounted inside the third annular groove, so that an oil scraping effect is improved, and the heat radiation property is enhanced.

An alloy, in particular for an anti-friction coating, includes elements which form a matrix and at least a soft phase and/or a hard phase, which soft phase elements and/or hard phase elements form a solid solution or a bond with the matrix element. The soft phase and/or hard phase is dispersed in the matrix and the solid solution or bond is formed only in the region of the phase boundary of the matrix with the soft phase and/or with the hard phase.

The invention discloses a double-gear type electric power-assisted steering gear and a steering gear gap adjusting method, the steering gear comprises a steering gear, a hand-operated end pull rod and a power-assisted end pull rod are arranged at the two ends of the steering gear respectively, and a first output end and a second output end are installed at the ends, away from each other, of the hand-operated end pull rod and the power-assisted end pull rod respectively; an input end is arranged at the upper end of the steering gear, and a hand-operated end gear rack gap adjusting mechanism and a power-assisted end gear rack gap adjusting mechanism are arranged on the two sides of the front end of the steering gear respectively. According to the gap adjustment method, the power-assisted end gap is adjusted preferentially, then the hand-assisted end gap is adjusted, the no-load rotation torque test is performed based on the state, the gap adjustment is performed according to the judgment principle in combination with the test condition, and the method can ensure that the gear rack gap and the no-load rotation torque are both in the optimal state at the same time. Therefore, the power-assisted performance and the power-assisted effect of the steering gear are ensured while no abnormal sound and the service life of the steering gear are ensured.

The invention discloses worm gear running-in equipment of an automobile steering system, and relates to the technical field of worm gear running-in equipment. The worm gear running-in equipment comprises an equipment body, the equipment body comprises a left sliding table feeding mechanism, a positioning mechanism, a worm measurement stress application small sliding table, a right sliding table feeding mechanism, a detection mechanism and a hydraulic system. The positioning mechanism comprises a shell, a hydraulic clamping mandrel, a rotating main shaft and a clamping oil cylinder, the hydraulic clamping mandrel is fixed to the rotating main shaft, an inner circle clamping structure is arranged on the hydraulic clamping mandrel, a worm wheel is installed on the hydraulic clamping mandrel in a clamping manner through the inner circle clamping structure. An ejector rod is connected between the output end of the clamping oil cylinder and the rotating main shaft. The surface of the worm gear is improved through the equipment body, certain lines are added on the surface of the worm gear after running-in, a certain grease storage function is achieved, and abnormal sound can be greatly reduced or does not exist; and the quality of an automobile steering device is improved.