89results about How to "Uniform surface color" patented technology

The invention discloses a 1100-H16 aluminum alloy plate/strip and a production method thereof. The production method comprises the following steps of casting, sawing, surface milling, heating, hot rolling and cold rolling. A cast ingot obtained by casting comprises, by mass, less than or equal to 0.20% of Si, 0.30 to 0.60% of Fe, 0.05 to 0.20% of Cu, less than or equal to 0.05% of Mn, less than or equal to 0.05% of Mg, less than or equal to 0.05% of Zn, 0.01 to 0.03% of Ti, less than or equal to 0.10% of total impurities and the balance Al, wherein and the content of a single impurity is less than or equal to 0.02% by mass. A melting temperature is in a range of 740 to 760 DEG C, a refining temperature is in a range of 735 to 755 DEG C, a casting temperature is in a range of 685 to 705 DEG C, and a casting rate is in a range of 55 to 65mm/min. The hot rolling process comprises that a hot rough rolling cogging-down process is carried out at a temperature of 450 to 500 DEG C; a finish rolling temperature is in a range of 310 to 330 DEG C; and coiling thickness is in a range of 2.5 to 8mm. The production method guarantees table and qualified mechanical properties of the 1100-H16 aluminum alloy plate/strip, shortens a production flow and improves production efficiency.

The invention discloses a method for preparing a heat control coating layer on the surface of magnesium alloy, which relates to a method for preparing a heat control coating layer on the surface of alloy. The invention solves the problem of large mass of the heat control coating layer of aluminum alloy as a base body. The preparation method is realized according to the following steps of: preprocessing the surface of magnesium alloy; preparing magnesium alloy microarc oxidation electrolyte; adding the magnesium alloy microarc oxidation electrolyte into a microarc oxidation electrolytic bath; placing the preprocessed magnesium alloy into the magnesium alloy microarc oxidation electrolyte to be used as an anode; supplying power by a pulse microarc oxidation power supply to react for 5-40 minutes; then washing the surface of magnesium alloy with distilled water and drying to obtain the heat control coating layer on the surface of the magnesium alloy. The density of the magnesium alloy used by the invention is small, is just 1.73g/cm3 and is about two thirds of the density of the aluminum alloy. Compared with a method by adopting the aluminum alloy, the heat control coating layer obtained by the method reduces weight by 30 percent.

A formula for parching and flavouring the nut contains the fried-in-oil roasted cashew and/or peanut and/or almond (90-98 wt%), salt (1.5-3), and oil resin (1-3.0) deluted by absolute alcohol. A process for preparing the flavouring nut is also disclosed.

A production method of hot-rolled structural steel for clad layer with a yield strength of 460MPa orderly comprises the steps of steel making, continuous casting, plate blank heating, hot continuous rolling and laminar flow cooling, and coiling. The production method is characterized in that the chemical ingredients by weight percent in the steel making process include 0.05-0.10% of C, at most 0.04% of Si, 1.30-1.65% of Mn, at most 0.030% of P, at least 0.012% of S, 0.01-0.06% of ALs, 0.035-0.060% of Nb, and balance of Fe and inevitable impurities. The product manufactured by the steel plate of the invention has good clad layer quality and uniform and consistent surface color, and the invention solves the problems that the steel plate produced using the prior method has poor galvanization quality, relatively low intensity and the like, and reduces production cost.

The invention relates to a watermelon suspension cultivation method and a cultivation pergola thereof. The invention discloses the watermelon suspension cultivation method which comprises the following steps that after a watermelon seedling is planted, a vine leading rope which is vertically arranged in a watermelon field is used for leading vines; when a main vine grows to be 40cm to 50cm long and side wines grow to be more than 15cm, pruning is carried out once every 3 to 5 days, and pruning is stopped after the watermelon vines bear fruit; the watermelon vines are pinched, and the watermelon fruits are supported through a tuck net on the vine leading rope. According to the cultivation method, not only can every watermelon seedling be managed conveniently, is the quality of every watermelon ensured, is the illumination on the watermelons uniform and is the surface color uniform, but also the watermelons grow by being supported by the tuck net, the possibility that the watermelons become oval is smaller, and the appearance of the watermelons is better.

The invention provides a method for making black sound absorption and flame retardation paper through adhesive spraying. The method comprises the following steps: mixing glass fibers and vegetable fibers through a wet papermaking technology, respectively processing an adhesive and a flame retardant and color past mixture to prepare solutions having certain concentrations, uniformly spraying the surface of raw paper with a prepared adhesive solution, and drying at a controlled drying temperature for a controlled time to guarantee the flattening and no wrinkling of dried paper. The glass fibers and the vegetable fibers selected in the invention are processed through a production technology theory of special paper to obtain black sound absorption and flame retardation paper having the advantages of high strength, strong flame retardation and uniform surface color. In the invention, the excellent performances of the glass fibers and the vegetable fibers are fully performed, and the high-quality black sound absorption and flame retardation paper which can be used in the walls of buildings as a filler is obtained through the wet papermaking technology and an adhesive spraying and drying technology in the preparation of the special paper. The method provided by the invention has the advantages of full utilization of the self characteristics of raw materials, simple preparation process, and excellent performances of finished products.

The invention provides a glass fiber-reinforced bi-component pultruded polyurethane resin material which is at least prepared from the following components: alkali-free glass fiber yarn, glass fiber fabrics, bi-component polyurethane resin, a special flame retardant agent for bi-component polyurethane resin and color paste. The polyurethane material is rich in source of raw materials and low in preparation cost; a magnetic steel batten of a direct-driven permanent magnetic synchronous wind turbine prepared from the polyurethane material is flat and smooth in surface, free of bubbles and exposed fibers, unlikely to be contaminated by oil, uniform in surface color, and unlikely to have cracks, delaminate and produce mechanical scars.

The invention discloses a braid, a braid manufacturing method and an outdoor chair with the braid. The braid comprises a braid body, wherein the braid body is formed by woven warps and wefts; the warps and the wefts are both made of polyester silk in a woven manner; and the polyester silk is made of a plurality of loose fibers of different colors in a combined manner. The loose fiber is covered by an ultraviolet layer. A chair back and a chair seat both comprise a plurality of warp-wise braids and weft-wise braids which are woven together; the warp-wise braids and the weft-wise braids are both made of the braids. By adopting the braid, the problems that in the prior art, a multi-color braid is not uniform in color, a finished product needs to be dyed, and the service life of an outdoor chair is short can be solved, and the invention provides the braid which is uniform in color and high in color fastness and an outdoor chair which is long in service life.

The invention discloses a method for rolling a pure titanium strip by using a Sendzimir 20-high mill. The method comprises the steps of (1) profile control achieved by designing roll system configuration; (2) thickness control including the step of correcting correction coefficients of each thickness interval of a thickness gauge by using titanium plate thickness standard plates; and (3) surface control including the step of strictly controlling strip steel temperature and rolling technology parameters when rolling is carried out. By utilization of an existing stainless steel 20-high Sendzimir mill, through thickness gauge adjustment, roll system configuration and rolling technology control, satisfactory profile, thickness, surface and yield are obtained.

The invention belongs to the surface treatment field and particularly relates to a surface treatment process for stainless steel. According to the surface treatment process, the surface quality of stainless steel equipment can be improved. The surface treatment process comprises the following steps: (A) pretreatment: firstly polishing the stainless steel surface, removing welding slag and spatter, removing oil stain and oxides on the surface and in a weld joint by virtue of acid pickling paste, and finally, removing internal and external impurities with clean water; (B) dipping the stainless steel into acid pickling passivation liquid until a silver white passivation film is formed on the surface and the color is uniform; (C) dipping the stainless steel into neutralizing liquid; and (D) soaking the stainless steel with clean water so as to remove surface-adhering solutions and impurities, and drying. The surface treatment process has the advantages that the surface color of the stainless steel is uniform and good in consistency, the surface quality of the stainless steel is high, furthermore, the service life of equipment or a part can be prolonged, the cost is low, the efficiency is high, and the like.

A method for carbonizing an ultra-temperature hot-pressing wood surface comprises the following steps that (1) wood is selected and preprocessed, (2) a bottom liner plate is laid, (3) wood to be processed is laid, (4) tin foil paper or a thin stainless steel plate used as the liner plate is laid on the wood, (5) hot-pressing processing is carried out, and (6) discharging, cooling and temperature and humidity regulation are carried out. By means of the method for carbonizing the wood surface, the technology is simple, production cycle is short, production cost is low, energy conservation is obvious, pollution is avoided, processed wood can not be warping and crack, color of the surface is uniform, the surface is good in water repellency, and original mechanical property of the wood can be well kept.

The invention introduces a pickling method of stainless steel covered by acid-proof cloth; the method comprises the following steps: covering multi-layer acid-proof cloth on the surface of the stainless steel, supplying pickling solution on the surface of the acid-proof cloth and continuously updating, adding the updated original pickling solution into a solution recovery tank; ensuring that the concentration of the pickling solution is in the optimal process range through changing the concentration of the original pickling solution in the solution recovery tank and continuously updating the acid in the pickling cloth. the temperature of the pickling solution can also be ensured within the optimal process range by removing the bubbles under the cloth by the acid-proof tool and heating and controlling the pickling temperature to. The method can ensure the optimal pickling temperature and concentration, the pickling has good quality; the method can remove an oxidation film thoroughly without overpickling; after pickling, the steel plate has uniform color and metal gloss on the surface; the pickling cloth and pickling solution can be used repeatedly, the pickling cost is low; thus avoiding environmental pollution caused by the waste pickling paste.

The invention provides a composite surface treatment method for an aluminum alloy die-casting part. The composite surface treatment method comprises the following steps: performing surface treatment on the surface of the aluminum alloy die-casting part to remove oil stains and dirt; performing sand-blasting treatment or wire-drawing treatment on the surface of the aluminum alloy die-casting part; cleaning and neutralizing the aluminum alloy die-casting part; performing anode oxidizing treatment on the surface of the aluminum alloy die-casting part, and performing dyeing and hole-sealing treatment on the surface of the treated aluminum alloy die-casting part; performing nano coating treatment on the surface of the aluminum alloy die-casting part with organic silicon modified paint which comprises nano silicon dioxide and a base material. According to the technical scheme adopted by the invention, the aluminum alloy die-casting part is even in surface color, and is as good as a common aluminum alloy machined part in appearance, and has better corrosion resistance.

The invention discloses a manufacturing method and apparatus of a black silicon cell. The manufacturing method includes the steps: 1) etching the back of a P type diamond wire silicon chip which is processed through P diffusion, and removing the PSG and the edge pn junction on the P type diamond wire silicon chip; 2) oxidizing the P type diamond wire silicon chip, wherein the concentration of the O2 of the surrounding, flowed by O2, of the P type diamond wire silicon chip is lower than the concentration of the O2 of the central area, flowed by O2, of the P type diamond wire silicon chip; and 3) depositing two layers of anti-reflection films on the front PECVD of the P type diamond wire silicon chip. As the manufacturing method and apparatus of a black silicon cell enable the thickness of the oxide layer deposited at the central position of the diamond wire silicon chip to be higher than the thickness of the surrounding during the oxidation process and enable the thickness of the surrounding of the two layers of anti-reflection films to be higher than the thickness of the central area during the subsequent process of deposition of the two layers of anti-reflection films on the PECVD, the film thickness of the surface of the diamond wire silicon chip is uniform; the color of the diamond wire silicon chip is uniform; and the quality of the P type diamond wire silicon chip is improved.

The invention discloses a straight through type hot nozzle assembly for high glass fibers and high carbon fibers. The straight through type hot nozzle assembly comprises a second hot nozzle body, a straight through core and a second mold core plate, wherein a second core cover is arranged on the outer portion of the straight through core in a sleeved manner, the middle portion of the second hot nozzle body is provided with a second through hole, the straight through core is arranged at the end portion of the second through hole, the middle portion of the straight through core is provided witha third through hole, the third through hole is communicated to the second through hole, the second mold core plate is provided with a second gate, the outer portion of the second gate is provided with a third concave groove, the head portion of the straight through core is aligned to the second gate, and the outer wall of the second core cover and the inner wall of the third concave groove are matched to form a sealing glue. According to the present invention, with the straight through type hot nozzle assembly, the high-temperature plastic has low flowing resistance, the filling is rapid, theproduct surface has uniform color, the product does not have fusion, heat loss does not exist, the core temperature is stable, the molding temperature is low compared to the torpedo core, the problems of no glue generation, slow glue generation and plastic carbonization are not easily generated, and the stability of the molded product is good.

The invention relates to a blow-molding processing center for manufacturing an LED lampshade without nodes at the bottom. The blow-molding processing center comprises an injection-molding station, a blow-molding station, a rotating center, a molding component and an oil cylinder, wherein the injection-molding station, the blow-molding station and the rotating center are arranged on an injection-molding machine rack; the molding component is mounted to the rotating center; the oil cylinder is used for driving the rotating center to rise and fall; a mold opening and closing component is arranged on one side of the injection-molding machine rack; a first oil circulating system is arranged in a concave mold; a second oil circulating system is connected with an oil inlet of an oil guiding pipe as well as an oil outlet arranged between the oil guiding pipe and a core mold; an oil plate is arranged between the concave mold and a lower mold; a heat-insulating oil channel is arranged in the oil plate; and a third oil circulating system is connected with the heat-insulating oil channel. No nodes are formed at the bottom of the lampshade processed through the blow-molding processing center; the surface color is uniform; the transparency is consistent; and the work efficiency is improved.