207results about How to "Good formability" patented technology

The invention discloses a hot-rolled high-weather-resistance steel plate with extremely low yield ratio and 850 MPa-grade tensile strength as well as a manufacturing method and application of the hot-rolled high-weather-resistance steel plate. The steel plate comprises chemical components in percentage by weight as follows: 0.06%-0.08% of C, 0.40%-0.60% of Si, 0.40%-0.60% of Mn, smaller than or equal to 0.015% of P, smaller than or equal to 0.005% of S, 2.50%-3.00% of Cr, 0.25%-0.30% of Cu, 0.13%-0.15% of Ti, 0.020%-0.040% of Alt, smaller than or equal to 0.0040% of N, smaller than or equal to 0.0030% of O and the balance of Fe and inevitable impurities. The high Cr + high Ti design is adopted, the tensile strength reaches 850 MPa, the weather resistance index I value is larger than or equal to 8.0, addition of precious metal Ni is omitted, the addition amount of the strong hardenability element Cr in the steel exceeds 2.50%, a fine grain ferrite and bainite double-phase structure is obtained in combination with the controlled rolling and controlled cooling process, meanwhile, the precipitation strengthening and fine grain strengthening effects of Ti are fully exerted, control over high strength and the extremely-low yield ratio smaller than 0.65 is achieved, and the high-strength and low-yield-ratio steel is obtained. The forming performance is excellent, the corrosion rate is smaller than 40% relative to Q345B, and good atmospheric corrosion resistance is achieved.

The invention discloses liquid crystal polyimide aerogel with excellent shape memory performance and a preparation method of the liquid crystal polyimide aerogel, and belongs to the field of polymer aerogel materials. According to the liquid crystal polyimide aerogel with the excellent shape memory performance, the shape fixing rate is larger than or equal to 99%, and the shape recovery rate is larger than or equal to 97%; the heat conductivity at the room temperature is larger than or equal to 0.09 W m <-1 > K <-1 >; specifically, liquid crystal diamine, flexible diamine, a liquid crystal dianhydride monomer and a thermal curing agent are subjected to a reaction and solvent replacement, and polyamide acid dry filaments are obtained; and forming an aqueous solution from the dry polyamide acid filaments, injecting the aqueous solution into a silica gel mold, carrying out directional freezing casting on a customized freezing circulating device with a copper plate at the top, and carrying out freeze drying, thermal imidization and curing after molding, so as to obtain the liquid crystal polyimide aerogel with excellent shape memory performance.

The invention relates to an axial echelon grading radial pulse loading unit and a die device.The loading unit comprises at least two stages of hammer head combinations which are sequentially distributed in the axial feeding direction of a blank, and each stage of hammer head combination comprises at least two hammer heads which are distributed in the circumferential direction and can reciprocate in the radial direction; the hammer heads are contained in guide grooves of the annular chuck, the guide grooves are used for guiding the radial movement paths of the hammer heads, the outer ring of the annular chuck is sleeved with a roller type driving device, and under the driving effect of the driving motor, the roller type driving device and the annular chuck move oppositely. And each hammer head in each stage of hammer head combination is driven to perform pulse type radial reciprocating motion. According to the invention, echelon hierarchical control of loading capacity, radial strain and loading frequency at different positions in the loading interval in the axial direction can be realized, and the formability of large-length-diameter-ratio / complex variable-cross-section pipes, bars and forgings can be improved.

The invention relates to the field of epoxy molding compounds, and discloses an epoxy molding compound as well as a preparation method and application thereof. The epoxy molding compound contains a heat-conducting filler, epoxy resin, a curing agent, a curing accelerator, a coupling agent, a bonding modifier, a flame retardant, a coloring agent, a release agent, hydroxyl-terminated silicone oil and a dispersing wetting agent. The heat-conducting filler contains aluminum oxide, crystalline silicon dioxide powder and molten spherical silicon dioxide powder; the bonding modifier is a triazole compound or a gallic acid compound; the weight ratio of the hydroxyl-terminated silicone oil to the heat-conducting filler to the bonding modifier is (1.5-4): (700-800): 1. The epoxy molding compound has the advantages of favorable molding process property, excellent heat-conducting property and high adhesive strength, and is suitable for being used as a packaging material of a fully-packaged power module.

The invention relates to the technical field of metal processing, in particular to a zirconium alloy plate texture control method for regulating recrystallization based on cold rolling deformation. The zirconium alloy hot-rolled plate blank is subjected to annealing treatment, so that an equiaxial grain structure with the proper size is obtained; cold rolling treatment is conducted on the zirconium alloy plate blank obtained after annealing treatment, different rolling deformation accumulation modes are introduced through total deformation design, rolling pass control and pass deformation control, and different dislocation and subgrain distribution states are formed in the zirconium alloy cold-rolled plate; and the zirconium alloy plate strip prepared through cold rolling deformation is subjected to annealing treatment, so that a completely recrystallized plate with refined grains and weakened texture is obtained, and the plasticity and forming performance of the zirconium alloy plate are improved. The technological process is simple, the recrystallized zirconium alloy plate with the basal texture weakened can be obtained only by slightly changing the zirconium alloy plate machining technology, the anisotropy of the zirconium alloy plate can be reduced, and therefore the use performance of the zirconium alloy plate is improved.

The invention provides an anodic oxidation die-casting aluminum alloy and a preparation method thereof. The anodic oxidation die-casting aluminum alloy comprises the following elements in percentage by mass: 2-4% of Mg element, 0.2-2% of Si element, 1.6-2.4% of Mn element, 0.2-0.3% of Cu element, less than or equal to 2% of Zn element, less than or equal to 0.2% of Fe element, less than or equal to 0.2% of inevitable impurities and the balance of Al, wherein the sum of the mass content of the Mg element and the mass content of the Zn element is 2-4%; the surface chromatic aberration of the anodic oxidation die-casting aluminum alloy is lt; the white brightness L is larger than or equal to 85, the tensile strength ranges from 180 MPa to 210 MPa, the yield strength ranges from 80 MPa to 120 MPa, and the elongation ranges from 3% to 5%. The anodic oxidation die-casting aluminum alloy has excellent flowability and surface glossiness, and is good in surface quality and high in yield.

The invention belongs to the technical field of additive manufacturing, and particularly relates to an additive manufacturing method of an ultrahigh-strength steel-stainless steel interlayer heterogeneous structural part. Comprising the following steps that (1) a model is obtained, and an additive model is designed according to performance requirements needed by a structural part; (2) additive preparation is conducted, specifically, the type and specification of a base plate are selected, mechanical grinding and welding wire filling are conducted on the base plate, an additive path is planned according to the model, and a robot walking program is written; and (3) material adding is started, the optimal technological parameters are matched according to the planned material adding path, and material adding of the structural part is started and completed. The ultrahigh-strength steel-stainless steel heterostructure part obtained through the method has the excellent strength-toughness comprehensive mechanical property, the material adding efficiency is high, the interface of the ultrahigh-strength steel-stainless steel heterostructure part is free of the defects of holes, microcracks, unbonding and the like, and the surface quality is excellent.

The invention relates to the technical field of titanium strip coils, in particular to a preparation method of a high-strength cold-rolled titanium strip coil for coiled tubing, which comprises the following steps: S1, cold rolling: a hot-rolled pickled coil with the thickness of 5.5-6.5 mm is subjected to cold rolling by adopting 20 rollers, and the hot-rolled pickled coil comprises the following components in percentage by mass: 0.26-0.33% of Fe, 0.27-0.33% of O and the balance of Ti; s2, degreasing is conducted, specifically, the titanium strip coil obtained after cold rolling is subjected to degreasing treatment; s3, annealing is conducted, specifically, a vertical bell-type furnace is filled with argon for protection for annealing treatment, furnace cooling is conducted after annealing is completed, and a titanium strip coil with the thickness being 3-4.5 mm for the coiled tubing is obtained; a cold rolling mode is adopted, the thickness of the titanium strip coil is rolled to 3.0-4.5 mm, a bell-type furnace annealing mode is adopted, an oxide layer is prevented from being generated on the surface, the bending performance of the titanium strip is enhanced, cracks are prevented from being formed on the surface during pipe manufacturing, the compressive strength, the yield strength and the ductility of the product are high, and the bending angle (6T) is large.

The invention discloses polyimide aerogel with thermotropic liquid crystal behavior and a preparation method thereof, and belongs to the field of polymer aerogel materials. The thermal conductivity of the polyimide aerogel with the thermotropic liquid crystal behavior at normal temperature is 0.07-0.08 W m <-1 > K <-1 >; the polyimide aerogel with the thermotropic liquid crystal behavior is obtained by directional freezing, thermal crosslinking and imidization of a polyamide acid aqueous solution. The polyimide aerogel with the thermotropic liquid crystal behavior has the advantages of being low in density, high in porosity, relatively high in heat conductivity, stable in structure and the like, the blank of application of liquid crystal polyimide materials in the aerogel field is filled, and the heat conduction performance of the polyimide aerogel is improved; and a foundation is provided for application of the polyimide aerogel material in the field of high-temperature intelligent deformation materials.

The invention discloses a hydrogel / calcined bone porous composite scaffold for a physical auxiliary bone repair material as well as a preparation method and application of the hydrogel / calcined bone porous composite scaffold, and relates to the technical field of biological materials. The preparation method comprises the following steps: combining a calcined bone with a hydrogel material containing free ions through ionic crosslinking, and then preparing a calcium phosphate mineralization layer on the surface of the obtained composite material to obtain the hydrogel / calcined bone porous composite scaffold. The hydrogel / calcined bone porous composite scaffold with good biocompatibility and ultrasonic electric field response prepared by the invention has good osteogenesis ability, does not need to assemble other circuit elements, has good formability, has a function of constructing a dynamic electric field under ultrasonic response, and can be applied to the field of osteogenesis. The method has an extremely wide application prospect in the fields of physical therapy and bone repair.

The invention belongs to the technical field of aluminum alloy processing, and particularly relates to a manufacturing method of a high-strength aluminum-lithium alloy plate, a non-homogenized casting blank is subjected to ultralow-temperature rolling, high-temperature rough rolling, ultralow-temperature finish rolling and aging treatment, the casting blank is made of aluminum-lithium alloy, the rolling temperature of ultralow-temperature rolling and ultralow-temperature finish rolling ranges from-196 DEG C to-100 DEG C, the temperature of high-temperature rough rolling ranges from-20 DEG C to-30 DEG C, and the temperature of high-temperature rough rolling ranges from-20 DEG C to-30 DEG C; the rolling temperature of the high-temperature rough rolling is 360-480 DEG C, and the total deformation is not less than 80%; the aluminum alloy plate is finer in crystal grain, higher in strength, better in ductility, higher in forming precision and better in surface quality.

The invention relates to the technical field of laser welding, in particular to an in-situ pulse current auxiliary laser welding device and method.The device comprises a frame, a lead screw module, a module supporting plate, a laser head, a positive and negative roller electrode auxiliary device, a substrate, a power line and a pulse power source; during working, the laser head is used for emitting laser to a to-be-operated workpiece for welding, and the positive and negative roller electrode auxiliary device is used for making contact with the to-be-operated workpiece and applying rolling pressure and pulse current. According to the method, laser welding is assisted through pulse current, and the problems of weld defects such as air holes, cracks and large dendrites are solved, so that the weld structure is refined, the joint performance is improved, the size and form of the weld structure are strictly controlled on the precise welding occasion, and the number of welding defects is controlled.

The invention discloses an automobile plate stamping process. The automobile plate stamping process comprises the following steps that S1, materials are prepared and blanked; s2, mold design; s3, the blank is pretreated through a continuous annealing process; s4, the mold is preheated; and S5, multi-stage progressive forming is carried out. The blank is subjected to continuous annealing process pretreatment, the plasticity of the material can be improved, internal stress is reduced, the uniformity and forming performance of the material are improved, and therefore the cracking risk in the stamping process is reduced; a multi-stage progressive forming method is adopted to replace a traditional one-time stretching forming method, local deformation and stress concentration of materials can be reduced, and therefore the risk of cracking is reduced, the quality of final parts is improved, and the material utilization rate is increased; the mold used in each step is relatively simple, the overall mold design and manufacturing cost is low, and maintenance is easier.

The utility model discloses a high-performance PET release film coating machine with a uniform coating structure, which comprises a base, rotating guide rollers are mounted on the upper surfaces of two ends of the base, a closed shell is fixedly arranged on the upper surface of the base, a scraping backflow mechanism is arranged on the base, and the scraping backflow mechanism is connected with the guide rollers. And the utilization rate of the coating is increased through collection and reinjection of the coating in the coating process. According to the high-performance PET release film coating machine with the uniform coating structure, the mode that the spray heads are distributed in an inclined and staggered mode is adopted, so that the situation that the adjacent spray heads influence each other in the spraying process is avoided, the instant spraying amount is increased while uniform spraying is guaranteed, the situations that spraying is missed and the spraying thickness does not reach the standard are avoided, and the spraying efficiency is improved. According to the paint spraying device, the overall spraying efficiency is improved, after spraying is completed, paint is scraped off through the V-shaped first scraping plate, redundant paint can flow towards the two sides along the inclined face of the first scraping plate and is recycled, and therefore paint waste cannot be caused while saturated spraying is conducted.

The invention discloses a high-temperature-resistant and high-strength soluble aluminum alloy pipe and a preparation method thereof. The preparation method comprises the steps that firstly, metal raw materials are selected according to components of a target product to be weighed; 2, graded heating smelting and water-cooling mold casting are carried out; 3, cutting off a dead head after uniform annealing, turning, and forming a central through hole; fourthly, hot extrusion forming is conducted; and 5, solid solution aging treatment. By reasonably proportioning the contents of strengthening elements such as Mg, Zn, Cu, Fe, Cr, Si and Mn and functional elements such as Ga, In and Sn in the aluminum alloy and combining extrusion large deformation and solid solution aging heat treatment, multiple strengthening mechanisms including solid solution strengthening, precipitation strengthening and grain boundary strengthening play a synergistic strengthening role, controlled degradation of the soluble aluminum alloy material in an ultrahigh-temperature and ultrahigh-pressure environment is achieved, and the degradation rate of the soluble aluminum alloy material in the ultrahigh-temperature and ultrahigh-pressure environment is improved. And moreover, the steel has higher tensile strength in a superhigh-temperature environment, meets the working conditions of superhigh temperature and superhigh pressure, and is suitable for the field of oil-gas field exploitation pipelines in the petroleum industry.

The invention relates to the technical field of aluminum alloy anti-icing coatings, and discloses a composite ceramic particle reinforced aluminum alloy anti-icing coating and a preparation method thereof.The preparation method comprises the steps that ceramic particles and aluminum alloy powder are mixed based on a preset proportion; preparing the mixed powder into a uniformly dispersed mixture through a ball mill; spraying the mixture on the surface of a base material by adopting a thermal spraying technology to form a coating; and the coating is subjected to heat treatment based on preset parameters so as to enhance the anti-icing performance of the coating, and by executing the steps, it is ensured that the prepared ceramic particle reinforced aluminum coating has excellent anti-icing performance; and the unexpected problem caused by inappropriate gas injection rate and the problem of poor microstructure uniformity caused by difficult avoidance of gas holes and defects when the composite layer on the aluminum alloy matrix is formed through the spraying process can be avoided.

This invention discloses a retractable multi-material 3D printing head, which includes an extrusion structure, a first feeding structure, a second feeding structure, and a third feeding structure. By connecting the three feeding structures with one extrusion structure, the extrusion retraction problem in 3D printing of multiple materials is solved. The extrusion structure has three meshing screws, resulting in high mixing efficiency during slurry mixing. Simultaneously, each of the three feeding structures has a screw, allowing for better control of the amount of high-viscosity material added to the extrusion structure. Furthermore, the three screws inside the extrusion structure are specially designed irregular-shaped screws. While achieving conventional mixing, they not only better control the material extrusion amount but also work together with the screws in the feeding structures to achieve slurry retraction when printing high-viscosity materials, improving the forming effect and allowing for a wider solid content range in the formed ceramic slurry.

The invention provides a cold-rolled steel sheet. The cold-rolled steel sheet contains 0.23 wt% to 0.35 wt% of carbon (C), 0.05 wt% to 0.5 wt% of silicon (Si), 0.3 wt% to 2.3 wt% of manganese (Mn), greater than 0 wt% and less than or equal to 0.02 wt% of phosphorus (P), greater than 0 wt% and less than or equal to 0.005 wt% of sulfur (S), 0.01 wt% to 0.05 wt% of aluminum (Al), greater than 0 wt% and less than or equal to 0.8 wt% of chromium (Cr), and the balance of steel. The present invention relates to a cold-rolled steel sheet having a final microstructure containing cementite, transition carbides, and fine precipitates, the final microstructure being characterized in that: the final microstructure of the cold-rolled steel sheet contains, by weight, more than 0% and less than or equal to 0.4% of molybdenum (Mo), 0.01% to 0.1% of titanium (Ti), 0.001% to 0.005% of boron (B), and the remainder being iron (Fe) and unavoidable impurities; the transition carbide comprises epsilon-carbide in which the atomic ratio of a displacement element to carbon is 2.5: 1 or eta-carbide in which the atomic ratio of the displacement element to carbon is 2: 1, the displacement element is any one of Fe, Mn, Cr or Mo, the atomic ratio of the alloy element of the fine precipitate to carbon is 1: 1, and the alloy element is any one of Mo or Ti.

The present application relates to the technical field of archery equipment, and particularly relates to a metal mixed carbon fiber arrow shaft, which comprises a middle carbon fiber pipe, a head stainless steel pipe, a tail metal pipe and a solid connecting piece, the head stainless steel pipe is arranged at the front end of the middle carbon fiber pipe, the tail metal pipe is arranged at the rear end of the middle carbon fiber pipe, and the two are connected and fixed through the solid connecting piece arranged in the middle carbon fiber pipe, and the outside is wrapped with carbon cloth and is formed through high-temperature curing. The present application adopts a segmented metal mixed structure, replaces a long-size metal inner core with a short metal accessory matched with a carbon fiber main pipe, and greatly reduces the difficulty of straightness control. The thickened head stainless steel pipe effectively bears the impact force, the solid connecting piece is in surface contact with the inner wall of the carbon pipe to disperse the stress, and the service life of the arrow shaft is significantly prolonged. The present application has reasonable structure, low cost and high efficiency, and is suitable for manufacturing various archery equipment.

This invention discloses a polyimide aerogel exhibiting thermotropic liquid crystal behavior and its preparation method, belonging to the field of polymer aerogel materials. The polyimide aerogel exhibiting thermotropic liquid crystal behavior of this invention has a thermal conductivity of 0.07–0.08 W / m² at room temperature. ‑ 1 K ‑1 The thermotropic liquid crystal-like polyimide aerogel is obtained by directional freezing, thermal crosslinking, and imidization of an aqueous solution of polyamic acid. This thermotropic liquid crystal-like polyimide aerogel possesses advantages such as low density, high porosity, relatively high thermal conductivity, and structural stability. It fills the gap in the application of liquid crystal polyimide materials in the aerogel field, improves the thermal conductivity of polyimide aerogels, and provides a foundation for the application of polyimide aerogel materials in the field of high-temperature intelligent deformable materials.

The application discloses a graphene modified aluminum-based composite plate and a preparation method thereof, which comprises the following components in terms of mass ratio: aluminum alloy: ceramic: alkyl magnesium solution: graphene = 4500-5000: 10-50: 1000: 1; the ceramic particle size is 0.05-50 mu m; the aluminum alloy particle size is 10-100 mu m; the composite plate provided by the application has a tensile strength of up to 512 MPa, a yield strength of up to 407 MPa, and a corrosion rate of only 0.9 g / m 2 d, and the preparation method is simple and efficient.

A nonaqueous electrolyte secondary battery includes a first separator, a positive electrode plate, a second separator, and a negative electrode plate, which are overlapped and wound 10 turns or more to form an electrode body. The electrode body has a flat portion in which an outer peripheral surface is flat, and two curved surface portions in which the outer peripheral surfaces are curved, which are arranged at both ends in a first direction of the flat portion. The nonaqueous electrolyte secondary battery includes a winding end tape attached to an outermost peripheral surface of the electrode body, and a positive electrode protection tape adhered to a winding start side end portion on an inner peripheral side of the positive electrode plate. The winding end tape is arranged at one of the two curved surface portions, and the positive electrode protection tape is arranged along the curved surface of the winding start side end portion of the positive electrode plate on one or the other curved surface portion.

The present invention relates to a laser repair system and method based on light alloy powder preheating, the system includes a fixed support structure, a laser light source, a preheating extrusion mechanism, and a powder feeding mechanism. After receiving the surface damage data of the structural part, the intelligent control host intelligently identifies the damaged area of ​​the structural part, slices it in layers, and plans the repair path and preliminary process parameters. At the same time, the powder feeding mechanism and the induction preheating device are controlled to heat and melt the required light alloy powder before the repair process begins, and the damaged area is repaired in conjunction with the laser heat source. Subsequently, the induction heating power is reduced and the laser power is increased, so as to achieve the purpose of improving the powder utilization rate in the laser repair process and improving the surface repair quality of the structural part. The present invention provides a solution for preheating powder consumables before the laser repair process begins, which effectively improves the adhesion of metal consumables on the surface of the damaged area, and provides technical support for improving the powder utilization rate in the laser repair process.

The present disclosure relates to a flash butt welding member, a flash butt welding, and a component. An aspect of the present disclosure is to provide a flash butt welding member, a flash butt welding method, and a component.

This invention relates to a glass forming mold. The problem to be solved by this invention is to obtain a glass forming mold with excellent forming performance. The solution is to form a glass forming mold for pressing and forming glass to be formed from glass that meets the following conditions: (1) Young's modulus is above 85 GPa, (2) Glass transition temperature is above 650℃, (3) Average coefficient of thermal expansion between 100℃ and 300℃ is 30 × 10⁻⁶. ‑7 / ℃~80×10 ‑7 / ℃.

The present invention provides a process for reducing graphitization of carbon steel, comprising the following steps: heating the carbon steel to 1000°C for austenitization and heat preservation, and then performing a controlled rolling and controlled cooling process to reduce the degree of graphitization of the carbon steel. The present invention uses a controlled rolling and controlled cooling process to roll in the non-recrystallization zone of austenite of high carbon steel, increase the deformation band in the deformed austenite grain, form fine lamellar pearlite or annealed pearlite, reduce the diffusion distance of carbon and prevent carbon from agglomerating to form graphite. After graphitization of high carbon steel, gas expansion will occur, and the product is prone to cracks. At present, alloy elements such as chromium, titanium, and niobium are usually added to the steel to prevent graphitization, which is expensive. The process method provided by the present invention does not need to add the above alloy elements, and can eliminate the graphite that has been formed in medium and high carbon steels; the process method of the present invention is simple to operate, has a low processing temperature, and has a low application cost, and can process ordinary medium and high carbon steels with graphitization problems.

The utility model relates to a bellmouth plug for coating a cement lining of a nodular cast iron pipe, which belongs to the technical field of bellmouth plugs and comprises an outer ring, an inner ring and a cast pipe, the inner ring is movably mounted on the inner side of the outer ring, a retaining block penetrating to the outer surface of the outer ring is rotatably mounted on the side surface of the inner ring, a check block is fixedly mounted on the inner side of the outer ring, and the cast pipe is fixedly mounted on the check block. And four compression springs are fixedly mounted between the outer ring and the inner ring. According to the bellmouth plug for coating the cement lining of the nodular cast iron pipe, a mechanical locking mode of the compression spring and the retaining block is adopted, compared with an inflatable plug, the bellmouth plug does not need to be inflated and deflated through an air nozzle during disassembly and assembly, and the time for inflating and deflating through the air nozzle is saved, so that the disassembly and assembly speed of the plug is higher, and the bellmouth plug is more suitable for automatic disassembly and assembly of the plug; metal parts are used as a whole, so that compared with a traditional inflatable plug, the inflatable plug is longer in service life and more durable, and the problems that an existing inflatable plug is poor in plugging stability and inconvenient to disassemble and assemble quickly are solved.

The invention discloses a hot-dip galvanized steel plate for household appliances and a preparation method thereof, and relates to the technical field of steel plate production. The hot-dip galvanized steel plate for the household appliances disclosed by the invention comprises the following chemical components in percentage by weight: 0.001 to 0.005 percent of C, 0.08 to 0.15 percent of Si, 0.60 to 1.2 percent of Mn, 0.040 to 0.090 percent of P, less than or equal to 0.015 percent of S, 0.020 to 0.060 percent of Als, 0.030 to 0.080 percent of Nb, 0.030 to 0.080 percent of Ti, 0.02 to 0.04 percent of Co and the balance of Fe and inevitable impurities. According to the embodiment of the invention, by controlling the mass percentage of each steel component in the hot-dip galvanized steel plate for the household appliances, the elongation and forming capacity of the hot-dip galvanized steel plate for the household appliances are improved on the basis of ensuring the strength of the hot-dip galvanized steel plate for the household appliances.

The invention provides a laser creep forming device and method for a thin-wall component. The device comprises a forming die which is provided with a die molded surface and outer edge surfaces located at the two ends of the die molded surface. The fixing parts are located on the two outer edge faces and used for being fixed to the two ends of a blank, and the blank is bent towards the side where the mold profile is located to form preforming. The multi-dimensional movement mechanism is provided with a movable end, the movable end is located above the mold molded surface, and the movable track covers the area corresponding to the mold molded surface; and the laser generating mechanism is connected with the movable end, faces the molded surface of the mold and is used for heating a laser irradiation area on the blank for laser creep age forming. More elastic internal energy in the material of the blank is promoted to be converted into plastic work through the laser heat effect, residual deformation is partially released, the internal stress of the blank is reduced, creep age forming of the material is more facilitated, the forming property of the material is improved, and creep age forming can be accurately carried out on all areas of the blank.

The utility model relates to the technical field of water drop wheel push plates, in particular to a lock type safety clutch push rod device which comprises a connecting base. One end of a connecting rod is mounted in the connecting seat, the surface of the connecting rod is sleeved with a mounting disc, the outer side surface of the mounting disc is connected with the clutch push plate through a screw, one end of the metal sheet is arranged in the clutch push plate, and the other end of the metal sheet extends to the outer side of the clutch push plate; two button grooves are formed in the surface of the metal sheet; according to the utility model, the metal sheet is directly embedded into the plastic clutch push plate by adopting an integrated injection molding technology to form a firm integral structure, the risk of loosening of an outgoing line is avoided, the clutch push plate made of a plastic material contributes to reducing the weight and providing good formability, and the clutch button is connected to be the metal sheet, so that the strength and the durability can be remarkably improved, and the service life of the clutch push plate is prolonged. The design not only is compact, high in strength and good in durability, but also improves the space utilization rate.