38results about How to "Optimizing the Manufacturing Process" patented technology

The invention discloses a manufacturing method for improving extensibility of commonly-cooled ferrite lightweight steel. The manufacturing method includes: performing pretreatment before cold rolling, cold rolling and continuous-annealing thermal treatment on thermally-rolled plates, wherein pretreatment before cold rolling includes cold-rolling pre-deformation and recrystallizing annealing. The thermally-rolled steel plates are pretreated before cold rolling to refine high-temperature delta ferrite and improve tissue uniformity of the steel plates after being annealed. By the manufacturing method, high strength of the steel plates is guaranteed while extensibility and strength and elongation product are improved remarkably.

The invention discloses a manufacturing method for a high-strength valve body. The manufacturing method for the high-strength valve body comprises the following steps of mold making, smelting, pouring, softening annealing, mechanical machining, heat treatment, passivation treatment and phosphating treatment. According to the manufacturing method for the high-strength valve body, the proportion of raw materials is reasonable, the manufacturing technology is optimized, so that the mechanical strength of the valve body is greatly improved, and meanwhile, the valve body has excellent corrosion resistance, the quality of the valve body is ensured, and the service life of the valve body is effectively prolonged.

The invention belongs to the technical field of building materials, in particular relates to a maritime work mortar which is prepared by proportionally mixing cement, sulphoaluminate cement, a mortar modifier, silica fume, fly ash, polypropylene fiber, an artificial aggregate and sea water. The cement is one from silicate, ore slag or pozzolan cement, the sulphoaluminate cement is one from early-strength or high strength type cement, the mortar modifier is compounded by one or more substance from acrylic acid, naphthaline salt, polycarboxylate and melamine polymer, and the artificial aggregate is a polymeric resin ball formed by expansion after water absorption. The maritime work mortar is prepared by mixing water-absorbent resin as the artificial aggregate and modified cement as a modified cement with the sea water, the one-day compressive strength of the maritime work mortar is 5-20MPa, and the seven-day compressive strength is about 20 to 35MPa. The maritime work mortar is especially suitable for use in island and reef engineering construction lack of construction sand and fresh water and away from mainland coastlines. The maritime work mortar has the advantages of simple preparation and wide application.

The present invention relates to an openwork prosthetic knit (1) made from a single piece based on first yarns of biocompatible polymer materials that define a first face (2) and a second face that are opposite one another and on a second biocompatible yarn that generates barbs (3) that protrude outwards from at least said first face, characterized in that said first face comprises at least one zone in which it is provided with said barbs and at least one zone (5) in which it is free of such barbs. It also relates to a process for manufacturing such a knit (1) and to a prosthesis comprising such a knit (1).

The invention discloses a pipe joint cutting device. The pipe joint cutting device is characterized by comprising a contact device, wherein the contact device penetrates through a gland device so as to be connected with a lifting device, an extension spring is arranged on the lifting device, and a compression spring is arranged in the lifting device. The pipe joint cutting device has the characteristics of high working efficiency, low manufacturing cost, small volume, good universality and the like.

The invention relates to an LED (Light Emitting Diode) display device heat dissipation uniformity detection method, an LED display device heat dissipation uniformity detection device and an LED display device heat dissipation uniformity detection system. The detection method comprises the following steps: controlling an LED display device to display monochromatic pictures; shooting monochromatic pictures displayed by the LED display device for multiple times at preset time intervals to obtain a plurality of detection images corresponding to different moments; analyzing the plurality of detection images to extract brightness values of a plurality of LED lamp points in each detection image and calculating to obtain brightness variation information of the plurality of LED lamp points; and evaluating the heat dissipation uniformity of the LED display device according to the distribution condition of the brightness variation information of the plurality of LED lamp points. According to the LED display device heat dissipation uniformity detection method, by utilizing the characteristics of LED brightness change and temperature correlation, and combining with an image shooting and image analyzing technology, the distribution condition of the brightness variation information of all LED lamp points in the LED display device is obtained, thus the temperature distribution condition during displaying of the LED display device is indirectly obtained, and the purpose of heat dissipation uniformity detection is achieved.

The invention provides a three-dimensional packaging chip silicon through hole testing device. A probe card and a chip carrying table are connected to a first testing signal line and a second testing signal line on the probe card and the chip carrying table respectively to form a testing loop, a testing signal of a testing part can be transmitted to the lower surface of wafer silicon through holes to be tested on the chip carrying table through the probe card, the first testing signal line and the second testing signal line, a probe of the probe card can gradually test the upper surfaces of silicon through holes of a wafer to be tested, accordingly the quality of the three-dimensional packaging chip silicon through holes can be accurately inspected, and the disqualification cause of the silicon through holes is further found according to an obtained result for manufacturing process optimization.

The invention relates to a method and system for detecting heat dissipation uniformity of an LED display device. The method for detecting heat dissipation uniformity of the LED display device includes the steps that the LED display device is controlled to display a first monochrome picture, a second monochrome picture and a third monochrome picture; the first monochrome picture displayed by the LED display device is shot multiple times according to the first preset time interval, the second monochrome picture displayed by the LED display device is shot multiple times according to the second preset time interval, the third monochrome picture displayed by the LED display device is shot multiple times according to the third preset time interval, and then a plurality of first images for detection and corresponding to different moments, a plurality of second images for detection and corresponding to different moments and a plurality of third images for detection and corresponding to different moments are acquired; the first images for detection, the second images for detection and the third images for detection are analyzed and processed, and then brightness decay information of a plurality of LED lamp points in the first color, a plurality of LED lamp points in the second color and a plurality of LED lamp points in the third color is acquired; according to the distribution situation of the brightness decay information of the LED lamp points in the first color, the LED lamp points in the second color and the LED lamp points in the third color, heat dissipation uniformity of the LED display device is evaluated. By means of the characteristic that LED brightness decay is related to the temperature, the temperature distribution situation in the display process of the LED display device is indirectly acquired, and therefore heat dissipation uniformity is detected.

The invention discloses a high-efficiency solar silicon panel and a preparation method thereof, and a battery module. The panel comprises cell sheets, a tempered white glass plate, an EVA adhesive film, a back plate, a wiring box and a section bar aluminum frame. Each cell sheet comprises a silicon sheet and silver grid lines and electrodes arranged on the front surface of the silicon sheet. The electrodes are in Z shape and are arranged vertical to the silver grid lines. The adjacent cell sheets are connected in series and parallel by lead wires and connected to the wiring box. The tempered white glass plate and the back plate are arranged above and under the cell sheets respectively. The EVA adhesive film is arranged between the tempered white glass plate and the back plate and between the back plate and the cell sheets. The section bar aluminum frame is arranged on the periphery of the cell sheets. A plurality of light focusing convex surfaces corresponding to the cell sheet respectively are arranged on the lower surface of the tempered white glass plate. The panel has high-efficiency light focusing power generating performance and is especially suitable for street lamp power supply. Through secondary overprint technology, the use amount of silver paste is reduced, so that the cost is lowered.

The invention discloses a kind of fragrant fireworks and firecrackers. The technical scheme of Yixiang fireworks and firecrackers includes explosive powder, which includes raw materials of the following mass components: 40%-55% of potassium perchlorate, 20%-30% of metal powder, 5%-15% of bright pearls, perlite powder 10‑15%, Chinese herbal medicine 5%‑15%. The fragrance-filled fireworks not only have the same effect as fireworks, but also have the traditional use and safety of firecrackers on the ground. At the same time as the atmosphere of the scene or the festive atmosphere, it can also give people a pleasant enjoyment of fragrance.

The invention provides a microfluid device and a manufacturing method thereof, the microfluid device comprises a device wafer and a nozzle wafer, the device wafer comprises a substrate, an insulating layer and a heater, the insulating layer is arranged at the top of the substrate, the heater is arranged at the top of the insulating layer, metal wires are arranged at the positions, located on the two sides of the heater, of the top of the insulating layer, and the nozzle wafer is arranged on the substrate. The top of the insulating layer, the top of the metal wire and the top of the heater are provided with passivation layers, the nozzle wafer comprises a silicon wafer, the bottom of the silicon wafer is provided with a cavity, the center of the inner side wall of the top of the cavity is provided with a nozzle, and the positions of the nozzle and the cavity correspond to the position of the heater. The manufacturing process of the printing head is further improved, the reliability of the printing head is improved, and the manufacturing cost of the printing head is reduced.

The invention belongs to an energy recovery turbine blade material and a preparation method, and aims to solve the technical problems that a blade in an existing energy recovery turbine device is made of a 17-4PH material, although the cost is low, the low-temperature and high-acid substance corrosion resistance is poor, and a titanium alloy material is extremely high in cost. The invention provides an energy recovery turbine blade material for a low-temperature and high-acidity working condition and a preparation method. The blade material comprises the following components in percentage by weight: 0.03% < = C < = 0.055%; si is more than 0 and less than or equal to 0.7%; 0.55% < = Mn < 1.3%; 0 < P < 0.025%; 0 < S < 0.015%; 11.5% < = Cr < = 14.0%; 3.5% < = Ni < = 4.5%; 1.2% < = Mo < = 1.6%; 1.5% < = Cu < = 2.3%; 0 < Nb < = 0.35%; 0 < V < = 0.05%; 0 < Al < = 0.10%; 0 < Co < = 0.10%; 0 < Nb, Ti and V < = 0.50%; n is greater than or equal to 0.02% and less than or equal to 0.065%. In addition, the equivalent weight of Ni is smaller than 9.2, the equivalent weight of Cr is smaller than 18.7, and the ratio of the equivalent weight of Ni to the equivalent weight of Cr is larger than 0.42 and smaller than 0.48. The preparation method comprises the steps of smelting, forging, heat treatment after forging and performance heat treatment.

The invention discloses high-air-permeability environment-friendly regenerated fiber. The high-air-permeability environment-friendly regenerated fiber comprises a core layer, an outer coating, an airpermeable layer and an elastic layer; and the outer side of the core layer is provided with the elastic layer, the elastic layer wraps the core layer, the outer side of the elastic layer is provided with the outer coating, the outer coating wraps the elastic layer, one side of the outer coating is provided with the air permeable layer, and the air permeable layer and the outer coating are arrangedin a crossed knitting mode. The preparation method of the high-air-permeability environment-friendly regenerated fiber comprises the steps of raw material preparation, hank knotting for thread forming, and knitting for shaping. On the one hand, the manufacturing technology for regenerated fiber is improved, the elasticity of the regenerated fiber material is improved, the regenerated fiber material and the air permeable material are knitted together by mixing, improvement of the elasticity and air permeability of the regenerated fiber is improved, and the product quality and practicality arehigh; and on the other hand, a natural fiber regenerated material and a degradable material are adopted, pollution to the environment is small, and the environment safety is effectively ensured.

The invention discloses a measuring method for measuring manufacturing precision of a curve pipe curtain, and solves the problems that curve pipe curtain measurement is not easy and convenient and themeasurement data precision is not high and the like in the prior art. The measuring method comprises the following steps: step S1, dividing the curve pipe curtain into X sections of pipe joints, andperforming section roundness measurement, curvature measurement and length measurement on the X sections of pipe joints. The measuring method for measuring the manufacturing precision of the curve pipe curtain provided by the invention effectively measures the roundness of each section of the curve pipe curtain, the curvature of the curve pipe curtain and the length of the curve pipe curtain. Theaccuracy of a manufacturing method can be verified, a manufacturer can be facilitated to improve the manufacturing process, and the construction precision is guaranteed, so that the construction accuracy and safety are guaranteed.

The invention relates to a method of solidifying heavy metals in ash residue to manufacture green and environment-friendly concrete. Fly ash, slag, coal ash and other heavy metal element-containing industrial ash residue produced by domestic garbage from incineration for power generation, metakaolin ultrafine powder (code MK, a specific surface area of greater than or equal to 600m<2>/kg) and water-quenched blast furnace slag ultrafine powder (code BFS, a specific surface area of greater than or equal to 600m<2>/kg) are adopted as the main raw materials and compounded in certain mass ratio, the compound is sprayed together with sodium silicate, water and an alkali solution into pellets to obtain fine aggregate with a particle size of less than 5mm and coarse aggregate with a particle sizeof 5-10mm, so that heavy metals in ash residue can be solidified, then the artificial coarse and fine aggregate are blended with MK and BFS ultrafine powder proportionally, and sodium silicate, waterand an alkali solution are added, and then the substances are stirred into concrete. The concrete uses neither cement nor natural sandstone as the coarse and fine aggregate, has good durability, and is a resource-saving and energy-saving green and environment-friendly concrete with high durability.

The invention discloses a lower base plate of a double-layer turnout vibration damping fastener and a manufacturing method of the lower base plate. The manufacturing method comprises the following steps that a, a steel plate is cut into a target size to obtain a substrate; b, a through hole is formed in the substrate, a first annular step is arranged at the top end of the through hole, and a firstannular chamfer or a first annular rounding corner is arranged at the bottom end of the through hole; c, a locking boss is prepared through a precision casting process, a second annular step matchedwith the first annular step is arranged on the locking boss, the bottom end of the locking boss is inserted into the through hole in the substrate, and the second annular step is tightly attached to the first annular step; and d, the locking boss and the substrate are fixed through a tool, joint filling and welding operation is carried out between the first annular chamfer or the first annular rounding corner at the bottom end of the through hole and the locking boss, and welding scar polishing operation is carried out after full welding. The lower base plate of the double-layer turnout vibration damping fastener comprises the substrate and the locking boss, wherein the substrate and the locking boss are connected in a welding mode.