31results about How to "Stable pass rate" patented technology

The invention belongs to the technical field of aluminum alloy materials for electric power equipment and particularly relates to a method for manufacturing large-sized aluminum alloy bars with high strength and high electrical conductivity. The large-sized 6082 bars with high strength and high electrical conductivity, especially 6082T6 aluminum alloy bars with diameter from 150mm above to 300mm, are utilized for processing large-sized electrical elements with high strength and high electrical conductivity in the electric power equipment. An aluminum alloy ingot used in the method contains the following elements in percentage by mass: 1.0%-1.05% of Si, no more than 0.12% of Fe, no more than 0.10% of Cu, 0.55%-0.65% of Mn, 0.9%-0.95% of Mg, no more than 0.10% of Cr, no more than 0.10% of Zn, no more than 0.05% of Ti, no more than 0.05% of isolated impurity, no more than 0.15% of total impurities, and the balance being Al. According to the method, mass production and delivery can be achieved, the strength and the electrical conductivity of the large-sized aluminum alloy bars are enhanced, and processing and use are facilitated; the mechanical property and the electrical conductivity of the large-sized aluminum alloy bars obtained by the method are stable; in repeated operation, the bars can satisfy the Chinese standard of bars with diameter smaller than 150mm, the Chinese standard of bars with diameter from 150mm above to 300 mm can be supplemented or perfected and each performance index can be introduced into the Chinese standard.

The invention discloses a manhole cover positive and negative pressure performance testing test bench and method. The test bench includes a frame, a test chamber is arranged in the center of the frame, a manhole cover is arranged on the upper part of the test chamber, and a semi-circular ring is arranged on the top of the manhole cover. Type pressure plate, two cylinders are symmetrically arranged on both sides of the frame, the piston rod of the cylinder is connected with the semi-circular symmetrical pressure plate, the air inlet, suction port and pressure sensor are set at the lower part of the test chamber, and the air inlet is passed through the two-position two-way electromagnetic The reversing valve one is connected to the air source, the suction port is connected to the vacuum pump through the two-position two-way electromagnetic reversing valve two, and the rodless chamber and the rod chamber of the cylinder are connected to the air source through the three-position four-way electromagnetic reversing valve; The method includes four steps of installation and compression of the manhole cover, test cavity inflation test, test cavity suction test, unloading and disassembly of the manhole cover. The invention makes up for many shortcomings of the existing manhole cover detection device and testing method, and realizes the integration of automatic compression, testing, unloading and disassembly steps in the test process of the positive and negative pressure performance of the manhole cover.

The invention relates to the technical field of lead acid storage batteries and discloses a method for detecting the content of the lead ion in a separator of the power type lead storage battery. According to the method, the content of the lead ion in the separator of the power type lead storage battery is calculated by detecting the concentration of the lead ion in a free acid solution on the surface of the formed storage battery in an acid extraction charging stage. The method is simple and easy to operate, the experiment result is sable, the structure of the battery is not broken in the measurement, the detection is conducted in the preparation stage of the battery, the thickness of the separator of the battery is regulated according to the data result, or the problem of penetration ofa dendritic crystal of the separator caused by the too high concentration of the ion is reduced by changing the process, the percent of pass of the battery is increased, the production cost of the enterprise is lowered, the method is suitable for the industrial production and the practical application, the problem that the concentration of the Pb<2+> ion in an electrolyte of the lead acid storagebattery cannot be accurately effectively detected is solved, and the technical blank of the detection of the concentration of the Pb<2+> ion in the electrolyte is filled in the preparation process ofthe battery is filled.

The invention discloses a wear-resisting nylon PA66 (Polyamide) composite material. The wear-resisting nylon PA66 composite material is prepared by mixing a material A and a material B of modified nylon PA66, and then extruding and granulating. The invention also discloses application of the obtained modified nylon PA66 granules on parts of an automobile; and the application is as follows: the dried modified granules are fed into a heated injection molding machine, the injection pressure, injection speed, injection time and the amount of injected glue of the injection molding machine are adjusted based on different sections, and the final holding pressure and holding speed are adjusted at the same time, thus reaching the optimal injection molding technology, and the qualified product can be obtained by the optimal injection molding technology. An automobile plastic connector prepared by the modified nylon PA66 granules in the injection molding way has the characteristics of high impact strength, excellent toughness and high wear resistance; the injection molding technology is stable; the product is stable in quality and high in percent of pass; the production efficiency is improved; and the producing cost is reduced.

The present invention relates to the technical field of extracting juice and shelling, in particular to a mechanism for extracting juice and shelling germ rice for energy drink processing, including a juice extracting mechanism, which includes a juice extracting cavity main body, a motor and a support frame, the One end of the main body of the juicing chamber is fixedly connected with a feed port, and the end of the main body of the juicing chamber away from the feed port is fixedly connected with a water inlet pipe, and the top of the main body of the juicing chamber is fixedly connected with a motor through an auxiliary bracket, and the output The shaft is fixedly connected with the first rotating rod. The first rotating rod runs through the main body of the juice extracting chamber and is rotationally connected with the main body of the juice extracting chamber through a bearing. The end of the first rotating rod far away from the motor is fixedly connected with a stirring blade. The side surface of the main body of the juice chamber is fixedly connected with the support frame, and a filtering mechanism is arranged at the bottom of the main body of the juice extraction chamber. The invention allows the germ rice to be juiced and shelled by using an integrated device to complete the processing, the qualified rate of the product is more stable, the power consumption is less, the production cost is reduced, and the practicability and economical efficiency of the device are improved.

The invention relates to a processing method of a hand-turned side-turning hard cigarette box, comprising: S1, die-cutting cardboard printed products to obtain semi-finished products of face paper, an upper cover, a skirt and a lower cover; S2, bonding the skirt and the lower cover together Forming an empty box cup and setting the empty box cup on the forming mold; S3, fitting the upper cover on the forming mold, and bonding the facial paper to the upper cover and the empty box cup respectively; S4, pressing and Take out the forming mold after dehumidification and trimming. The processing method of the manual side-turning hard cigarette case of the present invention has the characteristics of simple operation, high production efficiency, and stable product qualification rate. The processing method can make the hand-made side-turning hard cigarette case The shape is square, the opening and closing are smooth, and the box cover will not automatically pop open after the empty box cup is covered; moreover, the processing method can be standardized, and the processing of the manual side flip hard cigarette box with the same structure can be transplanted in batches and standardized production to obtain quality Stable and reliable product.

Provided is a fringe field switching mode liquid crystal display and manufacturing method thereof. The fringe field switching mode liquid crystal display device includes a lower substrate, an upper substrate, and a liquid crystal layer inserted between the lower substrate and the upper substrate, wherein the select line and the data line are mutually intersected, a pixel region is limited on the lower substrate, a switching device is provided at the intersecting part between the select line and the data line. The fringing field switching mode liquid crystal display device includes a transparent common electrode having a predetermined shape and formed within the pixel area to adjust light transmittance by applying a voltage to the liquid crystal layer, and a transparent pixel electrode having a plurality of slits and formed above the transparent common electrode with an insulating layer interposed between the transparent common electrode and the transparent pixel electrode. A rubbing direction for aligning the liquid crystal layer is within 5 DEG with respect to a direction of the gate line to remove a light shielding region above the data line, one end of the transparent common electrode is arranged between the data line and the transparent pixel electrode. A reflector is manufactured in an electrically independent type by using the material identical to that of the data line.

The invention provides a tailcone forming mould which comprises a lower mould plate, an upper mould plate, a concave mould body and a convex mould body. The central lines of the lower mould plate, the upper mould plate, the concave mould body and the convex mould body are coincided with each other, a forming groove is formed in the center of the concave mould body, the convex mould body is fixedly arranged on the top surface of the lower mould plate, and the concave mould body is arranged under the bottom surface of the upper mould plate. The tailcone forming mould further comprises limiting columns for controlling the downward moving distance of the concave mould body, an edge pressing ring in contact with the inner lateral wall of the forming groove and a plurality of ejector rods which can enable the edge pressing ring and the forming groove to clamp a formed workblank; the ejector rods are respectively arranged on the lower mould plate and evenly distributed around the convex mould body in the peripheral direction; the ejector rods abut against the bottom edge of the edge pressing ring and can drive the edge pressing ring and the formed workblank; the at least two limiting columns are evenly distributed between the edge pressing ring and the lower mould plate; the height difference between the top surfaces of the limiting columns and the bottom surface of the edge pressing ring can be determined by the distance between the top end of the formed worblank and a conical face of the convex mould body in the vertical direction. According to the tailcone mould, the rate of finished products of tailcones can be improved to 100% from 50%, the percent of pass is verified repeatedly, and the effect is stable.

The invention discloses an edible starch with ultra-low moisture and ultra-low microorganism, and a manufacturing method thereof, belonging to the starch manufacturing technology. The invention is characterized in that the loss on drying is less than or equal to 5.0; the fineness is more than or equal to 99.5% (sieved by a 100-mesh sieve); the number of bacteria is not more than 100 per gram; and the number of moulds and saccharomycetes is not more than 10 per gram. The manufacturing method comprises the following steps of: selecting materials; roasting for sterilization: heating till the temperature of the materials is more than or equal to 110 DEG C but less than or equal to 160 DEG C with the stirring speed being 25+ / -5 times / minute and the stirring time being more than or equal to 120 minutes; cooling: leading the temperature of the material to be less than 70 DEG C in 40 minutes; sieving, detecting, metering and packaging; and the cleanliness of the ambient air in roasting for sterilization, cooling, sieving, metering and packaging reaches 30,0000 level. Through implementation, the produced water is 35.7% of the standard in the common edible starch, the index of microorganisms is 10% of the standard of the common edible starch, and the higher and higher food production need for sanitary requirement is met; and in the manufacturing method, the potential safety hazards of the drying and sterilization process are fewest and the safe production is reliably realized.

The invention relates to a semiconductor component with double connection channels between the interposer and the coreless substrate. The semiconductor component includes a semiconductor element, an intermediate layer with a through hole, a coreless substrate, and a strengthening layer. The semiconductor element is flip-chip on the intermediary layer, and the intermediary layer is fixed on the coreless substrate through an adhesive, and extends into a through hole of a reinforcement layer, and the reinforcement layer provides mechanical support for the coreless substrate. The electrical connection between the interposer and the coreless substrate includes wire bonding and conductive microvias, and the coreless substrate can provide a fan-out route from the interposer.

The invention discloses a method for detecting the compliance rate of cigarette glue-free areas based on an image detection method. By selecting a sample tipping paper with a large color difference from the tipping glue, the sample roll is used under the normal production conditions of the cigarette machine and the tipping machine. Load paper for cigarette rolling, and then sequentially undergo sampling and collection of the area of ​​the glue-free area of ​​the sample cigarette, and obtain the shape and area of ​​the glue-free area through image acquisition; the invention can quickly, conveniently and accurately detect the shape of the glue-free area and the area of ​​the glue-free area. area, solve the problem of lack of information on perforated cigarettes, provide accurate data support for the adjustment of equipment parameters, ensure the ventilation effect of finished cigarettes, and improve the qualified rate of finished cigarettes.

The invention discloses an oil inlet seal ring for an automotive brake master cylinder. The oil inlet seal ring comprises the following raw materials in parts by weight: 100-106 parts of ethylene propylene diene monomer rubber K4802, 6-7 parts of calcium silicate, 3-4 parts of polyethylene glycol 400, 3-4 parts of poly(1, 2-propylene glycol adipate), 10-15 parts of sepiolite powder, 6-10 parts of barite powder, 1-2 parts of zinc oxide, 3-4 parts of polyamide wax micro-powder, 1-2 parts of 2-thiol-benzimidazole, 1-2 parts of accelerator TMTD, 0.6-1 part of sulfur, 1-2 parts of N-2-(aminoethyl)-3-aminopropyl trimethoxysilane and 6-8 parts of modifying additives. The oil inlet seal ring disclosed by the invention has the advantages of high strength, tension resistance, tear resistance, corrosion resistance and strong temperature resistance and can overcome the situation that the existing oil inlet seal ring product is very easy to produce a gap during mold stripping, the production efficiency and the product qualification rate are high, the oil inlet seal ring can completely conform to the requirements of using working conditions of the oil inlet seal ring for the automotive brake master cylinder, and the oil inlet seal ring is safe and reliable.

The invention discloses a measuring system for detecting temperature control boxes. The measuring system comprises a cart body, and a line pipe frame is arranged on the upper end face of the cart body; an anti-scalding baffle is arranged on one side of the line pipe frame, and a wiring box is arranged on the other side of the line pipe frame; a two-area heating flow dividing plate is arranged at the position, between the anti-scalding baffle and the wiring box, of the line pipe frame; hot nozzles are formed in the lower end of the two-area heating flow dividing plate, and each hot nozzle is provided with a heating temperature sensing line and a measuring temperature sensing line; a heating temperature sensing line socket and a measuring temperature sensing line socket are arranged in the wiring box, and the heating temperature sensing lines are connected with the heating temperature sensing line socket; the measuring temperature sensing lines are connected with the measuring temperature sensing line socket; the interior of the cart body is divided into an upper layer and a lower layer, and the upper layer and the lower layer are each provided with one temperature control box; and the temperature control box on the upper layer is connected with the measuring temperature sensing line socket, and the temperature control box on the lower layer is connected with the heating temperature sensing line socket. Through the manner, the yield of products can be more stable, abnormalities caused by hot flow way temperature control equipment is reduced, the maintenance cost and the raw material cost are reduced, and the profits are large.

The invention discloses a precise machining method of a shaft end piece sealing ring B of a stirrer, and belongs to the field of shaft end piece machining. According to the method, the to-be-machinedshaft end piece sealing ring B is assembled on a machining tool, a to-be-machined installation hole of the shaft end piece sealing ring B is perpendicular to the horizontal plane, by forming a guide hole, the position of the to-be-machined installation hole can be located fast and accurately, then by fixing the machining tool, the machining tool is prevented from moving in the machining process, and the machining precision is guaranteed. By means of the method, machining of the installation hole can be conducted without line marking, the machining efficiency is improved, in addition, the machining precision is high, and the machining qualification rate is high.