44results about How to "Improve processing suitability" patented technology

The invention relates to a high-penetration-rate semiconductor bare chip eutectic welding method based on manual operation. According to the method, the penetration rate of semiconductor bare chip manual eutectic welding is greatly improved and the production efficiency and technology applicability can be effectively improved by arranging a reasonable and effective manual eutectic welding processes, and designing and using a general positioning clamping tool. The method is applicable to smalllot and diversified development-type products, and can effectively reduce the production cost and improve the production efficiency while ensuring the high welding quality.

The invention discloses theta 28-36mm HRB600 high-strength anti-seismic reinforcement steel bars for a hydropower project. The reinforcement steel bars are characterized in that steel comprises the following chemical components by weight: C 0.23-0.26wt%, Si 0.50-0.65wt%, Mn 1.45-1.55wt%, S 0.025-0.035wt%, P 0.030-0.040wt%, Cr 0.12-0.18wt%, Mo 0.020-0.035wt%, V 0.125-0.140wt%, and the balance beingFe and inevitable impurities. The invention also discloses a preparation method of the large-specification HRB600 high-strength anti-seismic reinforcement steel bars. A vanadium, chromium and molybdenum composite microalloying process is adopted, microalloying strengthening elements such as vanadium-nitrogen alloy, ferrochromium and ferromolybdenum are added into the steel, and the low final rolling temperature is controlled by a pre-penetrating water-controlled cooling device (4.9m in length) in the steel rolling process, the formation and precipitation of fine and dispersed microalloy carbon (nitrogen) secondary phase are promoted, and the toughness is obviously improved during improvement of steel strength. The reinforcement steel bars can be used for sdam and flood control tunnel construction engineering and road and bridge engineering of the Jinshajiang hydropower station, and has the advantages of low production cost, strong process applicability, reliable operation, stable product and the like.

The invention discloses a latent epoxy resin system for wind-driven generator blades. The latent epoxy resin system is formed by combining a resin part and a curing agent part, wherein the resin part comprises bisphenol A epoxy resin and a diluent; and the curing agent part comprises a polyether amine compound, an alicyclic amine compound and an organic guanidine compound. The preparation method comprises the following steps of: (1) preparing materials in a ratio of the resin part to the curing agent part respectively and preparing mixing equipment; (2) preparing the resin part and the curing agent part respectively; and (3) preparing the latent epoxy resin system and mixing the prepared resin part and the prepared curing agent part in the ratio uniformly. The latent epoxy resin system has the characteristics of flexible gelation time, low requirement of the operating environment on the temperature, high operability and the like, the operability of the epoxy resin system is greatly improved when the epoxy resin system is applied to a blade vacuum perfusion process, the production efficiency and qualification rate of the blades are improved, and the production cost of enterprises is reduced.

The invention discloses a laminated lithium battery aluminum shell structure and a manufacturing method thereof. The structure comprises a shell bottom and a shell wall, wherein the shell bottom is completely located in the shell wall, the peripheral outline of the shell bottom is attached to the shell wall with a 0-0.2 mm gap reserved on each side, and the shell bottom and the shell wall are connected through friction stir spot welding. The laminated lithium battery aluminum shell structure manufactured with the method is high in strength reliability and sealing performance, neat and attractive in appearance, and capable of improving the shape consistency of batteries.

The invention discloses a lens heat effect measuring system which comprises a mask, an object marker, a lens to be measured, and a workpiece table sequentially along the direction of light transmission, and further comprises at least one machine vision system. The at least one machine vision system is located on the workpiece table. Light emitted from the object marker is imaged on the at least one machine vision system through the lens to be measured. The invention further discloses a lens heat effect measuring method.

The invention provides a preparation method for a micro circuit flexible circuit board based on a micro-nano imprinting technology. The preparation method comprises the steps of forming a first flexible material layer and a second flexible material layer on the two surfaces of a substrate separately, forming a first groove structure and a first hole site structure, and forming a second groove structure and a second hole site structure separately; forming first conductive structures in each first groove structure and the first hole site structure; forming through holes in the substrate; and forming second conductive circuits in each second groove structure, the second hole site structure and the through holes to form a two-side interconnecting circuit. According to the preparation method for the micro circuit flexible circuit board based on the micro-nano imprinting technology, the combination between the conventional circuit board and the IC technology is realized, so that the application of micro electronic products on the flexible circuit boards is possible; the conductive circuits are embedded, so that the reliability of the circuits is greatly improved; the circuits prepared by a printing process or an electroplating process can form metal layers of different thicknesses in the internal and on the surface of the grooves; and in addition, a roll-to-roll technology is adopted, and pore formation is realized in the metal layer depositing process, so that the technology can be simplified and the cost can be reduced.

The invention relates to the technical field of electronic product processing, and discloses a shell embossing device for electronic product production. The shell embossing device comprises a bearingplate, supporting legs, a baffle, a first box body and a second box body, wherein the bearing plate, the supporting legs and the baffle are fixedly mounted each another to form a mounting frame, the first box body and the second box body are fixedly mounted on the mounting frame, the top end of the outer wall of the first box body is fixedly connected with a stepping motor, the output end of the stepping motor is fixedly connected with a printing assembly, the printing assembly comprises a rotating shaft, and the top end of the rotating shaft is connected with the bottom end of the output shaft of the stepping motor through a coupler. According to the shell embossing device, a product shell is cleaned by a dust removing rubber roller before embossing, and springs enable the dust removing rubber roller to automatically and finely adjust the position, so that the dust removing rubber roller makes contact with the upper surface of raw materials more closely, and the cleaning effect of thedevice is improved; and multiple embossing heads are arranged, and the multiple embossing heads can work at the same time, so that produced shell flower types are increased, and the machining applicability is improved.

The invention relates to the technical field of sanders, in particular to a width-adjustable belt sander. The width-adjustable belt sander comprises a feeding conveyor, a bottom plate erected below the feeding conveyor, a width adjusting sanding assembly, two positioning driving assemblies and two lifting assemblies, wherein the two lifting assemblies are symmetrically located on the two sides ofthe feeding conveyor, the two lifting assemblies are installed at the two ends of the bottom plate, each lifting assembly comprises a lifting vertical support, the width adjusting sanding assembly isarranged between the two lifting vertical supports, the width adjusting sanding assembly comprises a polishing abrasive belt distributed in the width direction of the feeding conveyor, positioning guide plates are arranged on the two sides of the upper portion of the feeding conveyor, the two positioning driving assemblies are symmetrically arranged at the two ends of the feeding conveyor, and theworking ends of the two positioning driving assemblies are connected with the two ends of each positioning guide plate. The equipment is provided with two plate positioning structures used for positioning and guiding plates, the length of the polishing abrasive belt can be automatically adjusted according to the width of the plates, and the machining applicability is improved.

The invention provides a manufacturing method of an artificial inorganic imitated stone texture decorative plate, the modified cellulose is prepared from the wheat straw and the corn straw, and the mechanical property of the decorative plate is improved through the synergistic effect of the modified cellulose, the coal ash and the white carbon black; foamed glass is prepared by uniformly coating the surfaces of hollow glass beads with a layer of graphite-like phase carbon nitride, and the foamed glass is pressed on the main body mixture to form a thermal insulation layer, so that the high temperature resistance and flame retardance of the decorative plate are improved; by adding and rographolide and radix isatidis, the mildew-proof and antibacterial properties of the decorative plate are improved; the insulating layer is coated with an imitated stone coating. The decorative plate produced by the method realizes reasonable matching of high strength, obdurability, high temperature resistance and water resistance, and has the advantages of lower production cost, higher process applicability, higher operability, controllable product quality and the like.

There is provided an epoxy resin composition comprising a (meth)acrylic copolymer (A), an epoxy resin (B), and a curing agent (C), wherein the (meth)acrylic copolymer (A) has a constituent unit derived from a macromonomer (a) and a constituent unit derived from a vinyl monomer (b), and wherein a glass transition temperature (TgB) of a polymer obtained by polymerizing only the vinyl monomer (b) is 25° C. or less.

The invention discloses a flexible composite cover plate and a manufacturing method thereof. The flexible composite cover plate at least comprises ultra-thin glass and a transparent polyimide layer formed on the ultra-thin glass, and the transparent polyimide layer is formed by conducting composite imidization treatment on a transparent polyamide acid layer smeared on the ultra-thin glass, whereinthe composite imidization treatment comprises low-temperature thermal imidization treatment and chemical imidization treatment which are carried out in sequence. The technological process is free ofa high-temperature manufacturing procedure, energy consumption is effectively reduced, the technological applicability is high, part of the imidization process is carried out in a solution, and particle pollution can be effectively avoided; the cross-cut tester adhesive force of each film layer is as high as 5B, the surface hardness is greater than 5H, and the bending resistance and the impact resistance are relatively strong; and besides, the invention further discloses a structure of the flexible composite cover plate with a black ink pattern layer and a preparation method of the flexible composite cover plate, that is, the black ink pattern is printed on the surface of the transparent polyimide layer, so that the risk that the printing screen plate is in direct contact with the ultrathin glass to scratch the ultrathin glass is eliminated.

The invention discloses a high-fidelity vector diagram conversion method for a pixel type topological optimization result, and the method comprises the steps: constructing an intra-unit continuous pseudo-density field on the basis of the grid description of an implicit structure model, and identifying the coordinates of a topological boundary sampling point; carrying out cubic spline curve fitting on the basis of the sampling points so as to form a boundary explicit expression of the implicit topological structure; the explicit geometric description obtained through the method can be seamlessly connected with a CAD system, unification of a design result and a machining structure is achieved, and later-stage further design optimization of engineering designers is facilitated.

The invention discloses an iron shell riveting method. The iron shell riveting method is used for riveting machining of an iron shell and comprises the following steps that the iron shell is placed on a fixed seat, the iron shell is grabbed to a first riveting mechanism by a manipulator, and the back face of the iron shell is bended and riveted by the first riveting mechanism; the iron shell with a riveted back face is grabbed to a turnover mechanism by the manipulator, and the turnover mechanism grabs the iron shell transferred by the manipulator and turns over 180 degrees; and the iron shell is grabbed to a second riveting mechanism by the manipulator from the turnover mechanism, and the front face of the iron shell is bended and riveted. According to the iron shell riveting method, the back face and the front face of the iron shell are bended and riveted by the first riveting mechanism and the second riveting mechanism in sequence, so that the upgrade of iron machining from manual work to automatic production is achieved, and production efficiency and machining precision are improved.

The invention discloses a plate processing device for constructional engineering construction, and relates to the technical field of constructional engineering construction machinery, the plate processing device comprises a base, a control device is arranged on the surface of the base, and a sliding groove is formed in the surface of the base; the conveying mechanism is arranged on the surface of the base provided with the sliding groove; the polishing mechanism is arranged on the surface of the side, provided with the conveying mechanism, of the base. The auxiliary mechanism is arranged on the surface of the polishing mechanism. By arranging the polishing assembly, the device can polish the upper surface and the lower surface of a plate at the same time, the procedure that the plate needs to be turned over and then polished is avoided, the polishing efficiency of the plate is greatly improved, the polishing roller close to the adjusting screw rod is arranged to be movable, the device can polish plates of different models, and the polishing efficiency is greatly improved. The processing applicability of the device is improved; and by arranging the auxiliary assembly, the device not only can polish the upper surface and the lower surface of the plate simultaneously, but also can polish the side face of the plate, and the plate polishing efficiency of the device is improved.

The invention relates to the technical field of adhesives, and discloses a special adhesive for a hollow composite insulator and a preparation method of the special adhesive, and the special adhesive comprises the following components in parts by mass: a component A: 90-110 parts of epoxy resin, 1-2 parts of nano aluminum oxide, 0.5-1 part of a silane coupling agent, 8-12 parts of an organic solvent and 120-160 parts of a filler a; The component B comprises the following components in parts by weight: 60-70 parts of a curing agent, 20-30 parts of a toughening agent, 1 part of an accelerant, 60-80 parts of filler b and 0.5-1 part of a flatting agent; The mass ratio of the component A to the component B is 1: 1. The curing time of the current common adhesive is about 2 hours, and the curing time of the adhesive disclosed by the invention is 30-45 minutes; According to the method, the damage test is carried out on a hollow composite insulator sample, and the final damage value is increased by about 13% compared with the prior art. Therefore, the adhesive has the characteristics of good bonding performance, high impact toughness, moderate viscosity, rapid curing and the like, is particularly suitable for an end connection structure in interference fit, and is high in process applicability.

The invention discloses an anti-deformation polishing machining device based on a thin-walled steel pipe. The anti-deformation polishing machining device comprises a base and a machine body, the machine body is fixedly arranged on the top surface of the base, a supporting platform is fixedly arranged on the top surface of the base, the thin-walled steel pipe can be placed on the top surface of thesupporting platform, the supporting platform is located on the left side of the machine body, a lifting cavity with a leftward opening is formed in the machine body, and a moving cavity with a leftward opening is formed in the lower side of the lifting cavity in a communicating mode. According to the anti-deformation polishing machining device, a method of manual positioning is adopted to make amachining part in the device always at the same level with the steel pipe, the machining applicability of the steel pipes with different diameters is effectively improved, a method of rotating an arc-shaped supporting plate outward to expand and cling to the inner wall of the steel pipe is adopted, and the deformation of the thin-walled steel pipe caused by the excessive polishing pressure when the thin-walled steel pipe is polished on the outer side can be effectively avoided.

The invention discloses dust-free powder filling equipment for a tubular object in single protection. The equipment comprises a cylindrical rack, a powder box, an upper mold, a fixing device, a transition table, a vibration device and a control device, the powder box is used for placing powder for filling the tubular object, the upper mold is provided with a powder guide channel communicated witha discharge port; the fixing device supports the bottom of the tubular object, the transition table is used for limiting the middle of the tubular object, and the powder guide channel is provided witha switch valve. The bottom of a tubular object is placed on the fixing device, then the upper end of the tubular object is positioned through the upper mold, the upper end of the tubular object is connected with the powder guide channel, and the transition table is arranged between the upper mold and the fixing device, so that secondary positioning of the tubular object is facilitated; the amountof powder in the tubular object is controlled by controlling opening and closing of the switch valve through the control device, the volume of the powder in the tubular object can be obtained in timethrough the position sensor, the situation that the powder in the tubular object exceeds the preset filling amount is avoided, and dust pollution is reduced.