44results about How to "Strong flatness" patented technology

The invention discloses a method for producing nanometer crystal sand surface floor slabs. The production method comprises the steps of slicing timber, selecting slabs and grooving according to conventional techniques, and further comprises the steps of conducting the polishing treatment for floor slab base materials, including seventeen-layer multiple permeation paint application technique, that is, applying two layers of water environmental protection primer, three layers of wear-resistant primer, nine layers of elastic primer, and three layers scraping-resistant finishing coat. The production method adopts the seventeen-layer multiple mutual-type permeation technique, that is, three plus two plus nine plus three, and utilizes the interactive permeation technique of nano-titanium paint molecules, so as to enable paint molecule layers to permeate into wood molecules. Through a plurality of layers of wear-resistant primer and hardening primer, and through leveling and a plurality of curing and sanding layers, the floor slab has high performance of super strong hardness, wear resistance, scraping resistance, oxidation and yellowing resistance. The paint surface adhesive force, the flexibility, and the scraping resistance of the floor slab greatly exceed those of the ordinary technical floor slab.

The invention discloses a manufacturing method for a rewiring quad flat no-lead (QFN) packaging component. A chip carrier and lead feet of the manufactured rewiring QFN packaging component are formed by using of an etching method in the process of packaging technology. Insulating filling materials are arranged between the chip carrier and the lead feet, and in grooves between the lead feet by using an injection molding method or a silk-screen printing method. Rewiring layers are manufactured by using of electroplating and chemical plating methods and are packaged by using of plastic package materials. After the process of plastic package, an independent chip carrier and independent lead feet are formed by using of the etching method or a mechanical grinding method. The manufactured rewiring QFN packaging component is high in input/output (I/O) density, low in manufacturing cost and good in reliability.

The invention relates to the technical field of constructional engineering machinery, in particular to an automatic troweling machine. The automatic troweling machine comprises a walking machine seatassembly, a traction lifting assembly and a discharging machine head assembly. The traction lifting assembly comprises a lifting stand column device and a traction driving device, and the lifting stand column device comprises a traction driving belt, a supporting stand column and a lifting stand column set; and the discharging machine head assembly comprises a slurry stock bin with the front surface being provided with a discharging pipe, a spiral material conveying device installed in the slurry stock bin and a troweling plate installed on the front surface side of the slurry stock bin, a discharging port is formed in the troweling plate, a pressure sensor used for conducting pressure detection is further installed at the position, corresponding to the discharging port, of the troweling plate, and a slurry conveying hose is further installed on the slurry stock bin. According to the automatic troweling machine, the structure is simple, moving is flexible, material supplying is precise, adjustability is high, the operating efficiency is high, the operating range is wide, the flatness of wall surface troweling is high, and the automatic troweling machine has high practical value andmarket promotion value.

The invention relates to an ultra-weather resistant building outer wall paint film wall cloth and a manufacturing process thereof. The paint film wall cloth provided by the invention comprises a paint film colored sheet layer and a base material layer which are integrally formed, wherein the paint film colored sheet layer is formed by coating the two surfaces of a glass fiber cloth with color paste, drying the glass fiber cloth, and grinding the glass fiber cloth; the color paste is prepared by mixing a natural mineral pigment, and an elastic emulsion type glue solution or fluorocarbon coating according to certain parts by weight; the base material layer is formed by coating the two surfaces of a fiberglass-polyester mixed surface felt with thick plasma type emulsion, and drying the fiberglass-polyester mixed surface felt. According to the ultra-weather resistant building outer wall paint film wall cloth provided by the invention, the defects that difficulty in paint coating, uneven thickness after coating, easiness in loosening, sand falling and the like of the traditional granite paint are overcome; a paint film colored sheet and a base material are integrally formed through hot pressing, the thickness of the paint film colored sheet layer on the base material layer is strictly controlled in a manufacturing process, a vacuum step is strictly controlled, and an UV (ultraviolet) machine is used for glazing to seal and cure, so that the decorating wall cloth provided by the invention is high in uniformity, flatness, anti-water ability, antioxidant ability and ultraviolet resistance. The blank of outer wall decorating wall cloth in the market is filled.

The invention discloses a reproducible surface high-intensity fire-proof plate and a manufacture method thereof, mainly relating to a composite material and an environmentally-friendly material plate used for indoor and outdoor decoration and used for manufacturing certain furniture. The reproducible surface high-intensity fire-proof plate is composed of a fire-proof surface layer, a foam plastic layer and a fiber enhanced layer. The reproducible surface high-intensity fire-proof plate has the advantages that the plastic foam layer is thermoset foam plastic waste and an enhanced material is mainly natural fiber, and is a plated prepared by hot-pressing shaping. The plate prepared by using the manufacture method is fireproofing, waterproofing and moistureproofing, has the advantages of no formaldehyde, good stability and good secondary machining performance, can be used for indoor and outdoor decoration and can be used for manufacturing furniture.

The invention discloses a film bulk acoustic wave resonator and a manufacturing method thereof. The film bulk acoustic wave resonator comprises a first substrate; a supporting layer bonded on the first substrate, wherein a first cavity penetrating through the supporting layer is formed in the supporting layer; and a piezoelectric laminated structure covering the first cavity, wherein the piezoelectric laminated structure comprises a first electrode, a piezoelectric layer and a second electrode which are sequentially laminated from top to bottom, and the first electrode, the piezoelectric layerand the second electrode are overlapped in the direction perpendicular to the piezoelectric layer in an effective resonance area; the first electrode comprises a first side face and/or the second electrode comprises a second side face, at least part of the boundary of the effective resonance area comprises the first side face and/or the second side face, and the included angle between the first side face and/or the second side face and the surface of the piezoelectric layer is 85-95 degrees. According to the invention, the crystal orientation of the piezoelectric layer can be improved, the transverse wave loss of the resonator is reduced, and the quality factor of the film bulk acoustic resonator is improved.

The invention discloses a glass film, which comprises the following raw materials by weight: 100 parts of a modified PET resin, 1-15 parts of modified master batch, 0.2-1.2 parts of a coupling agent and 1.5-3.5 parts of an additive, wherein the modified master batch is benzimidazoledione compound and modified PET resin coated inorganic oxide solid particles. According to the invention, the glass film has good comprehensive properties of heat insulation, ultraviolet resistance, interference resistance, oxidation resistance, easy maintenance and the like. The invention further discloses a preparation method of the glass film, wherein the comprehensive performance of the glass film is improved, the overall performance of the glass film is uniform, the service life of the glass film is prolonged, and the large-scale application and popularization is well facilitated.

The present invention relates to microcrystal glass top plate as one kind of building member and its production process and application. The production process includes the first sintering of the mixture of quartzite, limestone, etc. to form granular glass material; spreading the granular glass material inside one shaped frame and the second sintering to form the semi-finished microcrystal glass member; the third sintering of the cooled member inside one crystallizing furnace at 1110-1140 deg.c and temperature variation within 10 deg.c for 50-70 min; and polishing, grinding and shaping. The production process can form top plate with compact structure, no bubble, high wear resistance, easy trimming, good appearance and texture, and is easy to control.

The invention discloses a planting method for a Hawaii lawn. The planting method comprises the following steps of 1, debris removal, wherein all debris and all weeds on the ground of planting land arecleaned up; 2, rotary tillage and flatting, wherein the planting land is subjected to deep rotary tillage and soil turning by using a rotary cultivator, and then the planting land is flatted; 3, pesticide spraying, wherein a weed killer is uniformly sprayed to the surface of the soil layer, which is subjected to rotary tillage and flatting, of the planting land; 4, ditching, wherein the plantingland is ditched; 5, seeding, wherein grass seeds are placed in ditches and then totally covered with soil; 6, fertilization, wherein after the lawn grows 1.5-2.5 centimeters, fertilization and thinning are conducted; 7, soft compression, wherein soft compression is conducted by using a roller press, and the lawn is compressed flat; 8, pruning, wherein pruning is conducted by using a trimmer, and after being pruned to a proper length, the lawn is made to grow transversely. The planting method for the Hawaii lawn is simple in process, short in planting cycle and small in fertilizing amount. Thelawn planted by using the planting method is light green in color, high in coverage rate, high in flatness, resistant to tread and drought and high in survival rate.

The invention discloses a film bulk acoustic resonator, which comprises a first substrate; a supporting layer arranged on the first substrate, wherein a first cavity penetrating through the supportinglayer is formed in the supporting layer; and a piezoelectric laminated structure covering the first cavity, wherein the piezoelectric laminated structure comprises a first electrode, a piezoelectriclayer and a second electrode which are sequentially laminated from top to bottom, the first electrode, the piezoelectric layer and the second electrode are overlapped in the direction perpendicular tothe surface of the piezoelectric layer in an effective resonance area, and the effective resonance area is located above an area surrounded by the first cavity; a first groove penetrating through thepiezoelectric layer and the second electrode is formed in the piezoelectric laminated structure, the side wall, close to the effective resonance area, of the first groove is a first side face, the included angle between the first side face and the surface of the first electrode is 85-95 degrees, and part of the boundary of the effective resonance area is composed of the first side face.

The invention relates to a producing method of a rayon acrylic fiber yarn-dyed and blended fabric, and belongs to the technical field of spinning. The method includes the steps of yarn loosening, preprocessing, blending and dyeing, post-processing and finished product forming. Blended fiber yarns are sent into a loose type winding machine through a roller yarn guide frame to be processed into a loose yarn bobbin, and preprocessing and blending and dyeing are completed in a bobbin dyeing device through a dye liquor adding device and an injection water warming device. The dyed yarn bobbin is loaded on a yarn weaving machine to be woven. The woven cotton acrylic fiber fabric is post-processed through a fabric leveling and unhairing machine and a fabric washing machine. The drying technological process of the cotton acrylic fiber fabric is completed through a roller rolling type fabric dewatering machine and a fabric drying machine. Finally, the winding and packaging process is completed through a fabric winding machine. The method has the advantages of being compact in structure, complete in function, high in efficiency, stable and precise in operating, simple in operation and stablein performance. The dryness degree of the fabric is improved, and the coloring quality and finish degree of the fabric are improved.

The invention relates to a tearing and biting resisting optical cable and a preparation method thereof. The optical cable comprises a sheath 1. A sheath II is sleeved by the sheath I. A hollow structure is formed in the sheath II and at least one loose sleeve is arranged in the sheath II. At least 2n fibers are arranged in each loose sleeve, wherein n is a positive integer and 1<=n<=6. The preparation method comprises steps of S1, preprocessing of fiber cores; S2, forming of the sheaths; S3, cooling of cables; and S4, wire withdrawing of finished products. According to the invention, the optical cable is advantaged by big tensile modulus, high tearing resisting performance and tearing and biting resisting ability.

The invention discloses a heat-insulating ultraviolet-resistant glass sticker film and a preparation method therefor. The preparation method comprises the steps: S1: dispersing a salicylate compound and PET resin into an aqueous solution of ethanol, so as to form a coating solution; S2: adding metal oxide solid particles into a fluidized-bed reactor, and introducing coating solution entrained supercritical carbon dioxide fluid to coat surfaces of the metal oxide solid particles with the salicylate compound and the PET resin, so as to obtain modified metal oxide solid particles; and S3: uniformly mixing the modified metal oxide solid particles, a couplant, additives and PET to form a casting solution, and pouring the casting solution into a mold, thereby obtaining the glass sticker film. According to the preparation method for the glass sticker film, disclosed by the invention, the heat-insulating and ultraviolet-resistant properties of the glass sticker film are improved, the global performance of the glass sticker film can be more uniform, the service life of the glass sticker film is prolonged, and thus, large-scale popularization and application are better facilitated.

The invention discloses a stereoscopically formed vamp and a processing technology, the stereoscopically formed vamp comprises a vamp main body, a front lining, a rear piece, eyelets, a sole edge, a decorative piece and a rear patch, the vamp main body comprises a TPU polyurethane adhesive film, a TPU closed-cell polyurethane foaming layer and a PU polyurethane layer; wherein the TPU polyurethane adhesive film, the TPU closed-cell type polyurethane foaming layer and the PU polyurethane layer are sequentially calendered and compounded from top to bottom; the processing technology comprises the following steps: 1, equipment cleaning; 2, layered manufacturing; 3, calendering and compounding; 4, subsequent processing; 5, three-dimensional forming; and 6, inspecting and storing; the vamp has the characteristics of light volume, mildew resistance, bacteria resistance, scratch resistance, tear resistance and the like; the flatness and the softness uniformity are improved by more than several times, and the vamp is super-strong, resistant to low temperature and resistant to stretching; the medium-high-low temperature seamless process is directly used for three-dimensional forming, a bottom sheet is not needed, and the tedious part of the traditional seamless process is omitted; and the vamp can also be applied to furniture, sofas and other products.

The invention discloses a production method of four-side elastic flame-retardant lining cloth. The production method comprises the following steps: enabling POY to sequentially pass through a yarn cutter, a roller I, a hot box I, a cooling plate, a false twister, a roller II, a hot box II, an interlacer, a black roller, a roller III, an oil wheel and a winder; placing DTY on a creel, and then stably conveying silk to a yarn conveying device; feeding the lining cloth into a steam furnace for preshrinking; padding the lining cloth with flame-retardant liquid; and transferring the lining cloth byusing a carving roller, and uniformly transferring the hot melt adhesive powder on the surface of the fabric cloth in a dot shape. The flame-retardant lining cloth has the beneficial effect that theproduced lining cloth has good flame-retardant performance.