150results about How to "Consistent deformation" patented technology

The invention belongs to the technical field of display and concretely relates to a display apparatus comprising a display screen and a back plate mechanism arranged on a non-displaying side of the display screen. The back plate mechanism comprises a plurality of straight supporting plates; two adjacent straight supporting plates are connected and form an included angle; the display screen is arranged between the two adjacent straight supporting plates and tangent to the same; and the display screen forms a curved surface structure by the plurality of straight supporting plates. The back plate mechanism of the display apparatus can be easily manufactured, possesses even resilience and can further possesses various curvature; and a curved display device having great consist curvature can be achieved.

The invention discloses a surface palladium-plated bonding brass wire comprising a brass core taking brass as a main component and a palladium layer formed by plating on the brass core. The surface palladium-plated bonding brass wire is characterized in that trace metal for improving the extension performance is added in the brass core taking the brass as the main component; a single crystal is smelt and drawn to form a brass alloy core wire; the palladium is plated on the surface of the brass alloy core wire; and the surface palladium-plated bonding brass wire is formed in a superfine drawing manner. Compared with the prior art, the invention has the benefits that the surface palladium-plated bonding brass wire has better final plasticity deformation capability in the subsequent superfine drawing process without intermediate annealing; the percentage elongation of the surface palladium-plated bonding brass wire is at least 11 percent; the deformation of a palladium-plated layer in the pressure processing flow is consistent; the surface of the surface palladium-plated bonding brass wire is uniform, compact and complete, which is especially beneficial to full deformation during welding bonding, and thus the pulling strength and the reliability are improved. In addition, the cost of products can be controlled to be about 6 yuan/100 meters and the products have high cost performance.

The invention discloses a device for coating graphene on surfaces of metal foils. The device comprises a control unit, and an unwinding unit, a coating printing device, a baking unit and a winding unit arranged in sequence in a moving direction of the metal foils; the metal foils are aluminum foils or copper foils; the coating printing device comprises a pressing roller, a driving silica gel roller and a driving steel roller laminated from top to bottom; the driving silica gel roller and the driving steel roller are rotated in opposite directions by keeping a micron gap; the driving steel roller is dipped in a colloid pool with viscous materials; and a substrate is arranged between the pressing roller and the driving silica gel roller. The device realizes uniform spraying of materials with submicron thicknesses and thinner layers on the surface of the substrate to meet the thickness requirements of the graphene coated on the metal foils, and achieves excellent adhesion to effectively reduce the contact resistance between carbon particles and the metal foils.

The invention discloses a double-hollow glass ceiling module with a film suspended therein. An optical control film serves as a middle layer, and an internally suspended film structure frame, a mounting structure frame, a reinforcing separating strip and glass are sealed into an integral double-hollow glass plate. An inner structure frame and an outer structure frame are made from a novel heat-isolating material with a coefficient of thermal expansion similar to that of the glass. The internally suspended film structure frame is structurally connected through a heat-isolating bridge. A butyl rubber tape on the outer surface of the internally suspended film structure frame serves as a first sealing layer. A second sealing layer consists of the external reinforcing separating strip and a silicone structural sealant, the whole structure is always consistent to the thermal deformation of the glass, so that the sealing capability of the whole system is more reliable, and the heat-isolating property, the moisture condensation-preventing property, the sound-isolating property and the like are greatly improved. Dirt is not easily accumulated on the outer surface of a mounted ceiling, so that the ceiling is convenient to clean and maintain. The double-hollow glass ceiling module has a flexible assembling and mounting way, and can be applied to different vertical surfaces of an outer building rail.

The invention discloses a production technology of a gold and palladium-plated bonding copper wire for the field of semiconductor integrated circuit encapsulation. The production technology comprises the technological process of carrying out coarse drawing, annealing, palladium layer electroplating, fine drawing, annealing, gold layer electroplating and cleaning on a microelement-added central copper rod treated through a continuous casting technology, so as to prepare the gold and palladium-plated bonding copper wire excellent in physical and chemical property. The technological process is characterized in that only one-time coarse drawing and one-time fine drawing are carried out, and a gold plating technology is carried out after a target wire diameter is achieved through the fine drawing. According to the gold and palladium-plated bonding copper wire produced through the technology, the wire breakage rate during the drawing process is relatively low, the combination property of a palladium-plated layer and a gold-plate layer is good, and the binding reliability and stability of the bonding wire are greatly improved.

The invention provides a production method of low-carbon free-cutting steel and is characterized in that when the free-cutting steel is rolled, the range of sensitive temperature of sulfide embrittlement is escaped in the heating temperature; the first heating temperature of a heating furnace of steel billets is 1050 to 1150 DEG C, the second heating temperature is 1150 to 1250 DEG C, the holding zone is provided with the temperature of 1180 to 1240 DEG C, the initial rolling temperature is 1120 to 1150 DEG C the spinning temperature is 860 to 900 DEG C and the time in the furnace is controlled to be equal to or more than 130 minutes; and delayed cooling is adopted and both a fan and a heat holding cover are shut down. The invention solves the phenomena of easy head cracking, collaring and slipping, difficult gripping, great operational difficulty, and the like in the rolling of S-system free-cutting steel, and has good cutting and processing performance.

This invention relates to an abrasive wheel normal tracing method in complex curve grind process, which is used in curve fine grinding field. The method comprises the following steps: a) adding a spinnig axis of bench sliding seat to the digital control shaft, which makes the work-piece outline alterable relative to the abrasive wheel axial cord; b) setting up mathematical model of normal tracing, computing the separation angle theta i between the outline normal line in grinding point and the radical admission shaft; c) making the bench sliding seat deflecting a certain angle with C axis, and making the abrasive wheel axial cord coincidence with the normal line of grinding point according to the theta i of each grinding point. The invention can remain the cutting status of abrasive wheel, and the abrasive wheel is forced evenly, which can avoid the interference from abrasive wheel and work-piece.

The invention discloses a three-roller coating printing unit for continuously coating the surface of a base material with a viscous material. The unit comprises a pressing roller, a driving silica gel roller and a driving steel roller which are stacked from top to bottom. The driving silica gel roller and the driving steel roller rotate in opposite directions, and a micron order gap is kept; the driving steel roller is soaked with a colloid pond containing the viscous material, the base material is arranged between the pressing roller and the driving silica gel roller, and the base material is supported on the supporting roller and moves in the centrifugal force direction of the top vertex of the driving silica gel roller under power traction. Under the effect that the viscous material is extruded, stretched and extended through rotating rollers with the two different rotating speeds and the opposite directions, a rubber layer of the certain thickness is formed on the surface of the rubber covered roller, the material is transferred to the surface of the continuously running base material by means of the pressing roller, the thin and uniform coating is formed, and materials of the micro order and submicron order thickness and thinner materials can be uniformly sprayed to the surface of the base material.

The invention discloses a space optical remote sensor main bearing plate structure adopting an embedded part, and belongs to the technical field of space optical remote sensing, and relates to a main bearing plate structure of the embedded part. The technical problem to be solves is to provide a space optical remote sensor main bearing plate structure adopting an embedded part. The technical scheme is as follows: the structure comprises a main bearing plate front panel, a first truss embedded block, a second truss embedded block, a third truss embedded block, a three-mirror embedded block, a main mirror embedded block, a main bearing plate central hole, a main bearing plate back panel, a folded mirror embedded block, a bias current embedded block, a main mirror embedded block socket, a longitudinal bar groove, a transverse bar groove, a transverse bar and a longitudinal bar. By virtue of the embedded blocks on the main bearing plate, the corresponding mirror assemblies and the other supporting structure assemblies are mounted and located to form a main structure of the space optical remote sensor. The transverse bar and the longitudinal bar are arranged on a contact surface between each embedded block and the bearing plate, so that the effective contact area with a carbon fiber composite material is enhanced; the structure rigidity is reinforced; and the structure reliability is improved.

The invention discloses a novel ball bearing groove curvature coefficient designing method. The method comprises the following steps that firstly, according to the working environment, a three-dimensional model is established by UG NX three-dimensional software; secondly, a working condition is loaded, the kinetic simulated analysis is carried out, and the rolling ball bearing load is measured; thirdly, a three-dimensional simulation model is established by the UG NX three-dimensional software, one quarter of the three-dimensional simulation model is taken to be as a finite element simulation model; fourthly, grids are divided; fifthly, a boundary loading mode and a constraint condition are carried out; sixthly, contact setting is carried out; seventhly, a solution scheme is set; eighthly, a simulation result is analyzed, the consensus of the strain of an inner ring and an outer ring of a ball bearing is guaranteed, and meanwhile structural optimizing is carried out. According to the technical scheme, the consensus of the deformation of the inner ring and the outer ring of the ball bearing is effectively guaranteed, the condition that the structural parameter is deviated from the ideal position is maximally lowered, the reliability of the performance and service life is guaranteed, and meanwhile the same service life design of bearing components is achieved.

The invention belongs to the technical field of veneer decorative materials and in particular relates to PVC wide seamless wall cloth and a manufacturing method thereof. The technical scheme for solving the technical problem is as follows: the cloth comprises a polyester fabric layer, a wallpaper original paper layer which fully covers the back surface of the polyester fabric layer, an aqueous glue layer between the back surface of the polyester fabric layer and the wall paper original paper layer, a PVC foamed coating coated to the front surface of the back surface of the polyester fabric and a surface printing coating arranged on the surface of the PVC foamed coating. The PVC wide seamless wall cloth provided by the invention can manufacture the PVC wall cloth in a wide manner, the width reaching 2.7-3.2m. According to demands, the width can be also made greater, or even 5-10m, continuous production of the whole batch of cloth can be made in the length direction to integrally realize the requirement of seamless width, so that seamless paving in the upper and lower directions and the peripheral direction of a decorative space is realized.

The invention relates to a formula for producing a post porcelain insulator by using industrial alumina powder instead of high-quality alumina powder by a dry method and a preparation method and application thereof, and belongs to the technical field of insulators. The formula for producing the post porcelain insulator by using the industrial alumina powder instead of the high-quality alumina powder in the dry method comprises, by weight, 12-16% of the industrial alumina powder, 28-36% of kaolin, 28-36% of flux mineral, 18-22% of elutriation soil, 0.5-3% of an additional mineralizer and 0.15-0.4% of a dispersant, wherein the mineralizer is one or more of barium salt, magnesium salt or talc. By the adoption of the formula for producing the post porcelain insulator by using the industrial alumina powder instead of the high-quality alumina powder by the dry method, the design is simple and scientific; a prepared product has small intensity dispersibility and high intensity; a formed blankis uniform in density and low in internal stress; and meanwhile, the invention provides the simple and convenient preparation method and application.

The invention relates to an ultra thin reed forming die, comprising an upper die and a lower die which are connected and are provided with a plurality of upper cores and lower cores; the upper die and the lower die are provided with connected reed support positioning surfaces which are configured mutually and are vertical to the moving direction of the upper core and the lower core; the lower end of the front vertical plane of the upper core is provided with a springback angle beta which is inclined inwards along the moving direction; the bottom surface of the upper core is provided with a springback surface which is vertical to the moving direction; the upper end of the rear vertical plane of the lower core is provided with a prebending angle alpha which is inclined outwards along the moving direction; the rear vertical plane of the lower core and the front vertical plane of the upper core correspond; the cross section of the upper core is set as a section with arc rectangles at the front side and the rear side; and the springback angle beta and the springback surface are arranged at the front side of the arc section. The invention has the advantages of being capable of greatly improving geometric accuracy and geometric tolerance of the reed in the process of bending and pressing, and being capable of realizing the accordance of stress points and deformation amount of a plurality of reeds between the upper die and the lower die, thus being capable of greatly improving qualification rate of products and reducing the cost of products.

The inorganic concrete interface binder consists of mainly active powder material, cement and surfactant, the active powder material is one or the composite of slag, zeolite powder, flyash, silicon powder and other active material; the surfactant is one or the composite of lignin, naphthalene, resin, molasses, chlorine salt, sulfate and organic amine; and cement used is high strength cement. The binder adheres new and old concrete parts into one integral, and the interface between the new and old concrete parts has tensile strength greater than that of the concrete itself. The binder has the same deformation as concrete, good endurance, easy construction, low cost, no toxicity and other features. It may be used widely in the interface between new and old concrete.

A horizontal adjustment stranded wire pre-twisting device comprises a wire separation riding wheel, three groups of pre-twisting wheels and two auxiliary wheels. The horizontal adjustment stranded wire pre-twisting device has the advantages of advanced technology, simple structure, convenience in adjustment, consistent deformation and obvious effect.

The invention discloses a lithium-ion battery which is provided with a shell and an electrolyte and an electric core that are wrapped in the shell; the electric core consists of one or more monomer cores; the monomer core consists of two or more complexes; the complex is prepared by the superposed arrangement and pressing of a positive plate, a diaphragm paper and a negative plate; two sides of the diaphragm paper are provided with a bonding layer respectively; and the bonding layer uses polycarboxylic tetrafluoroethylene or polyvinylidene fluoride as preparation material. The lithium-ion battery has the advantages of being not easy to deform when in use.

The invention discloses a wind power tower drum foundation ring ribbed beam type foundation based on a combined structure, and relates to the technical field of onshore wind power generation. The system comprises a foundation ring, a circular concrete floor, a variable-cross-section H-shaped steel rib beam, a hollow concrete pillar, a toggle pin and a square steel shear connector. The foundation ring is connected with a wind power tower drum on the upper part, and a perforation reinforcing steel bar required by a traditional basic ring is removed and replaced with the prefabricated welding toggle pin, so that the basic ring and a foundation concrete form effective connection by utilizing favorable shearing resistance and pulling resistance of the toggle pin, and the construction difficultyin reinforcing steel bar perforating on site is remarkably reduced. The variable-cross-section H-shaped steel rib beam is connected with a foundation slab and the pillar through the shear connector so as to form a combined structure stress system, so that the mechanical characteristics of two materials are fully played, and larger internal force produced by the upper load can be resisted. The foundation system can be applied to a circular bearing platform of a circular spread foundation or a pile foundation, and is high in on-site construction efficiency and material-saving so as to have a good engineering application prospect.

The invention discloses a method for processing aviation high-precision bearing rollers, which is characterized in that a clamping position is set at the end of the roller, a swinging part is set on the workbench, the roller is installed on the swinging part through the clamping position, and the swinging part The rotation makes the roller axially inclined, and the rotation direction of the grinding wheel always coincides with the normal direction at the grinding point of the sinking contour of the roller, ensuring that the grinding wheel and the roller are always in point contact. In the method for processing aviation high-precision bearing rollers described in the present invention, a clamping position is set at the end of the roller, which is convenient for clamping the roller to make it tilt and rotate, and the grinding wheel and the surface of the roller are ground by point contact, and the grinding force And the grinding heat is small, the force of the grinding wheel is consistent, the deformation is consistent, the machining accuracy is effectively improved, and the error distribution on the surface of the roller is evenly distributed to ensure that the roller has a good balance when it rotates at a high speed.

The invention discloses a method for simulating a work environment for testing the high-temperature stability of plastic filler and a special device thereof, and provides a method capable of simulating the work environment for testing the high-temperature deformation amount of the plastic filler, which has the advantages of simple structure and use method, and a special device thereof. The invention solves the technical problems of large bed layer resistance, thermal-mass exchange effect reduction and the like directly caused by the fact that the detected deformation value of the plastic filler is not consistent with the actual value because only the thermal deformation value of a single plastic filler under no bearing can be detected in the prior art. The course of the method provided by the invention roughly comprises the following steps: firstly, filling an upright container with vertical walls with the plastic filler at a certain height, thereby maintaining the level surface of the plastic filler; then, selecting the special device, wherein the weight of the special device is the same as the weight of the bed layer borne by the plastic filler to be detected at the bottom of a tower after weighing; placing the special device in parallel on the surface of the plastic filler; simultaneously placing the special device, the bed layer and the plastic filler into a baking oven to be baked; and taking out the plastic filler after the baking to measure the deformation amount.