Agitate friction welding hoists the sails in China sailing

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Technology of agitate friction welding is had solder be out of shape intensity of small, welding line tall, green is efficient wait for a characteristic, can be used at alloy of most aluminium alloy, magnesium alloy, copper alloy, titanium, steel solder, also can use at the join of heterogeneous alloy, increasingly wide application received in home. Solder technical invention, development and industrialized promotion application passed a lengthy process, and agitate friction welding is different. 1991, england solders institute (The Welding Institute-TWI) invented agitate friction welding (Friction Stir Welding-FSW) , this technology is mixed from the invention at the beginning of declaring patent, arrive success application receives on industrialized product (1996) experiences course is all solder the shortest in the method. 1996, norwegian MARINE company is made in aluminium alloy shipping on use technology of agitate friction welding, stepped the first pace that its industrialization applies. After this, agitate friction welding is in gradually the industry such as spaceflight, aviation, shipbuilding, train, electric power, the sources of energy, enginery, electron, building, adornment makes a domain receive farther promotion and thorough and wide application, its had made light alloy material (wait like aluminium alloy, magnesium alloy) technology of first selection join. Agitate friction welding enters China to be in China, beijing aviation makes project institute make a domain make technical searcher as Chinese space navigation, to agitate friction welding technology of this burgeoning join pays close attention to all the more, be in early began to have the foundation that researcher is trying to explore technology of agitate friction welding and mechanism 1996, solder at applying for to become England 1996 institute industry insider. Talk things over via what pass several years and negotiate, on April 18, 2002, institute of Beijing aviation production project (BAMTRI) solder with England institute (TWI) patent of agitate friction welding is signed formally to permit an agreement in Beijing, both sides established center of Chinese agitate friction welding on the foundation that the technology cooperates. Of center of Chinese agitate friction welding wear into pharos annals agitate friction welding lands China formally, and announce agitate friction welding begins in what China develops formally, solder for China technical development turned over new canto. Center of Chinese agitate friction welding is made in development of technology of agitate friction welding, product, equipment development, make and the respect such as the sale, press the development of this technology and application energetically, in the meantime, return full-fledged member England to solder the institute is in charge of Chinese market (include Taiwan, Hong Kong and Macao) patent of friction welding of the agitate inside limits permits extend and manage. Heretofore, the patent of agitate friction welding that already place of courtyard of 24 China scientific research and industrial business got center of Chinese agitate friction welding is issued is permitted. The develops technology of Chinese agitate friction welding development of technology of agitate friction welding is not from 0 begin, began to know this kind to solder 1996 when the technology, england solders business of company of other country of institute and Europe is like ESAB to waited to had begun much fundamental technology research to this technology. When to 2002 center of Chinese agitate friction welding holds water, the patent of agitate friction welding that publishs publicly and paper already a lot of, learn and master of these technical knowledge the high point that conduces to technology of Chinese agitate friction welding starts and develop quickly. When BAMTRI and TWI signed technical cooperation agreement in April 2002, TWI has studied to center of Chinese agitate friction welding and staff of project technology development undertook technology of specializationed agitate friction welding grooms. And be below the constituent arrangement of center of Chinese agitate friction welding, the technology that the agitate friction welding of Chinese limits permitted an user for many times to get TWI grooms and attestation. Regard the core of agitate friction welding as the technology, the research that agitate welder provides develops the stress that is development of technology of agitate friction welding. Center of Chinese agitate friction welding has developed a success a variety of configuration and the agitate welder of a variety of utility are provided. Graph 1 what design development for center of Chinese agitate friction welding is bosseyed and OK solder the agitate head of 40mm. Graph the agitate tool Nextpage that center of friction welding of 1 China agitate develops expands a base as the technology, how is the weldability of material agitate friction welding whether the crucial factor that in industry production domain gets applied generally, all sorts of type aluminium alloy that so friction welding center is opposite Chinese agitate to be used generally on Chinese market reach aluminium radical the weldability of composite material had basic research, and be aimed at market demand and potential industrialization application, very supreme to alloy of magnesium alloy, copper alloy, steel, titanium alloy strong PVC is plastic undertook agitate friction welding studies. Solder material angle, one of agitate friction welding highlights the advantage is heterogeneous material to solder. If the agitate friction welding such as 2024/6061, 5083/6061, 2024/7075 joins,center of Chinese agitate friction welding had realized not akin aluminium alloy, still realized copper additionally / aluminous connect, magnesian / aluminous connect and steel / the agitate attrition of aluminous connect solders. Project of agitate friction welding changes the project that develops agitate friction welding to change development is this new-style solder the key that the technology gets popularize and applied. Wait for the applied demand foreground with potential friction welding of agitate of disparate industry aluminium alloy in the light of aviation, spaceflight, shipping, train, car, chinese agitate friction welding began project of series agitate friction welding to change development. Stainless steel of graph 2 1Cr18Ni9Ti and spaceflight of connect of friction welding of agitate of 2A14 aluminium alloy make industry express strong interest to agitate friction welding above all, structural member of form of canister of casing of belt of small diameter missile and box of lay aside of fuel of large carrier rocket get the project changes development (if pursue,place of 3a, 3b, 3c is shown) . Graph 3a makes an appointment with 90mm for the diameter, the wall is large 1.

Structure of shape of the Bao Bi of 5mm is small canister; Graph 3b is diametical 1200mm, circle of medium-sized belt of mural thick 25mm is large structural member of board canister form; Graph 3c is diametical 3350mm, structural member of case of lay aside of fuel of carrier rocket of mural thick 6mm. Graph the structure of canister shape aluminium alloy that 3 agitate friction welding creates is in aviation domain, agitate friction welding was in the company such as Airbus of American Boeing, Eclipse, Europe to realize a project to change, go up in the product such as transport of battleplan, for military use and civil plane had success application. Begin from 2004, center of Chinese agitate friction welding been tryinging to be aimed at plane structure, begin a project to change development research, the agitate friction welding that and had brought chaste tree in plane thin wall strengthens a structure receives a respect to receive and be being built, gained certain headway. The field is created in the car, production industry gets Chinese car develop at full speed inside nearly 10 years, car sales volume of China exceeded 7 million 2006, but very old rate should rely on production technology abroad is offerred. The contemporary car company of a few rapid development begins to seek new technology to improve the quality that the car produces and efficiency, to this, wainscot of casing of the car hub that center of Chinese agitate friction welding developed agitate friction welding to receive, car and other component. Agitate friction welding can come true already solder, the exterior modified that can realize material again and other weld manage, center of Chinese agitate friction welding developed plane radiator and heat already successfully to sink implement workmanship of channel of agitate friction welding. In addition, those who use agitate friction welding to still can realize metallic spare parts is fast shape make. To realize engineering technology of agitate friction welding to be in rapid development of home, promotion and extensive industrialization apply, center of Chinese agitate friction welding had taken the lead in establishing standard of two agitate friction welding 2005: " standard of craft of agitate friction welding " and " quality of agitate friction welding is controlled and examine standard " . Friction welding of agitate of equipment of agitate friction welding distinguishs a at common fusion welding marked characteristic is: Typical machine tool equipment solders technology. All processes of agitate friction welding must rely on machinery to equip kind of implementation, so technology of agitate friction welding and equipment of agitate friction welding start at the same time in China development. Center of Chinese agitate friction welding (Beijing surpasses Forster technical limited company) it is the unit that China acquires TWI patent exclusively to the license can be made and sell equipment of agitate friction welding. Begin from 2003, the industrial business that center of Chinese agitate friction welding is China in all and the equipment of agitate friction welding that scientific research courtyard supplied nearly 20 to specialization. Graph the device of 4 friction welding of mix of style of large vertical cantilever that are used at box of lay aside of carrier rocket fuel to make Nextpage is current, center of Chinese agitate friction welding can make equipment of advanced friction welding of numerical control agitate not only, still developed the craft such as advanced position, pressure, torque, temperature to control a technology at the same time, compositive in equipment of agitate friction welding, and return can order according to product need for the client make appropriative tool clamping apparatus and offer engineering technology of form a complete set. The development time that industrialization of agitate friction welding uses agitate friction welding to be in China is shorter, it is to start merely level, but had made in Chinese industry at present protruding shows technical advantage in the domain, can solve the join method problem of aluminium alloy not only, producing the recognition that gets production a company on efficiency and product quality at the same time. 2003, center of Chinese agitate friction welding developed the device of agitate friction welding that China uses the first times at industrialized product production to make for production company of Chinese Changzhou engine. This equipment basically uses at structural member of casing of railroad engine aluminium alloy solder. Equipment is controlled by PLC, the attrition of agitate of profile of 6063 aluminium alloy that can realize × 10mm of 2600mm × 1100mm solders, the tool clamping apparatus that center of Chinese agitate friction welding still supplied 6 kinds of parts for this client and engineering technology of form a complete set (if pursue 5) . At present this equipment had realized the batch of industrial product to turn production. Graph profile of first specializationed wide cut of agitate friction welding makes a workshop be aimed at aviation, spaceflight and power energy industry, the aluminium alloy radiator that has sealed demand to medium loop refrigeration and heat are heavy implement production demand, center of Chinese agitate friction welding developed the first plane of Chinese successfully equipment of friction welding of 2 dimension agitate (if pursue 6) . At present already ten kinds of radiator and heat sink implement batch came true to turn production in center of Chinese agitate friction welding. In recent years, production industry grows Chinese shipping quickly, but aluminium alloy shipping of China makes technical standard country of backward Yu Rihan. The near future increases as a result of the demand of naval ships of high speed for military use and civil houseboat, quickened shipping of Chinese aluminium alloy to production technology develops and change, the progress that makes industry in shipping for agitate friction welding created inning. 2006, development of center of Chinese agitate friction welding went wainscot of aluminium alloy of the first shipping of Chinese to solder equipment, the manufacturing job shops that and was built specializations, this equipment is compositive advanced technology is controlled and be out of shape control technology, had thrown the production that approves quantified shipping wainscot to make, the for military use that basically offers high quality for Chinese shipping production company and civil wide cut (12m × 5m) wainscot of profile of agitate friction welding, include boat board among them, outside mural side panel, inside outfit boarding, hollow clapboard and superstructure. This equipment has realized profile of 6061 aluminium alloy butt joint and 5083 plank build received product to make with 6061 profile, the biggest solder wainscot area can achieve 60m2. 2007, what center of Chinese agitate friction welding will make a new 15m grow is full automatic equipment of friction welding of agitate of large profile joining together, predict this equipment will in June 2007 put into production, the ability of friction welding of agitate of wide cut profile of shipping wainscot will achieve 1000t. Application of agitate friction welding is made at wainscot of our country shipping, promoted shipping of Chinese aluminium alloy engineering capability directly, drove shipping of Chinese aluminium alloy to make the progress to world level. Agitate friction welding has set sail in Chinese development, in fundamental technology at present research, project changes development, equipment to produce the result with wait for a respect to had been obtained certain, and be in develop quickly, but the application that agitate friction welding makes a field in Chinese industry just just starts. Face China to wait for the far seeing plan of the domain and long-term development in aviation, spaceflight, shipping, railroad, the sources of energy, and potential huge market demand, the 3 ～ in future will greet agitate friction welding to develop the height with application quickly inside 5 years. The join technology standard that the promotion application of agitate friction welding will promote Chinese industry business to wait for stuff of light alloy metal in alloy of aluminium alloy, magnesium alloy, copper alloy, titanium, and will enhance competition ability of international of Chinese industry product further. CNC Milling