Make total factory assume by Shanghai spaceflight equipment " the friction welding equipment of large and crucial component part " task, already passed what labour believes ministry expert smoothly to check and accept on November 21, 2011. The success of this task is checked and accept, indicate total factory had a Shanghai spaceflight facility the own development capacity of equipment of friction welding of agitate of series-parallel connection of double drive burden. This has an Asia in what home takes the lead in developing the biggest ply solders the equipment of friction welding of agitate of burden of double drive of series-parallel connection type of ability, broke through thick board technology of agitate friction welding and difficult problem of technology of design of tool of big ply agitate, but bosseyed solder aluminium alloy 80mm, double-faced solder aluminium alloy 150mm, broke abroad to be in to our country thereby the technical block that exceeds technology of friction welding of big ply agitate and equipment to go up, the development that changes tooling of agitate friction welding independently to urging our country has the important sense of milepost type. Project approving setting according to " long-term science and technology develop program outline in the country (2006-2020 year) " deploy, be in " 925 " and " 935 " during, use plane and transport of large-scale for military use to wait for a batch of countries that are a delegate with airship of new generation carrier rocket, manned spaceflight, aircraft carrier, large trade major project project has been started. And one of typical structures that regard afore-mentioned industry as the product, the research that makes a technology to construction of type of whole of aluminium alloy of excel in of large size, big ply appears particularly pressing. Before, the big ply aluminium alloy that our country place employs solders the technology basically is multilayer welding of MIG two sides to receive a technology, soldering the need in the process is endured for many times heat treatment and be out of shape instead working procedure, produce cycle to grow not only, deflection is big, and manufacturing environment is poor. And be in abroad, the research organization such as such as TWI, already mastered big thick board friction welding of aluminium alloy agitate receives a technology, satisfied successfully the biggest solder ply 150mm (use double-faced solder) applied demand. In addition, american navy joins the lab has succeeded to use technology of agitate friction welding at 50mm the efficient, high quality of component of aluminium alloy of panzer of attack of thick advanced amphibious solders in making Cheng. Consider to make clear with application, agitate friction welding is received is a kind special apply to advanced technique of connective of structure of big ply aluminium alloy. Accordingly, special type of industry of science and technology of our country national defence solders one of main attack way that the technology studies to apply a center to regard its as to develop research technology of agitate friction welding, make Shanghai spaceflight equipment total factory rely on an unit as application. Transcend equipment of friction welding of agitate of component of big ply aluminium alloy and engineering technology difficult problem to solve, shanghai spaceflight equipment makes total factory exceeded craft of friction welding of agitate of big ply aluminium alloy and equipment to undertake study argumentation at beginning to be opposite in May 2009, get is versed in believing the support of the ministry, will " the friction welding equipment of large and crucial component part " include national science and technology great and special task, make total factory assume by Shanghai spaceflight equipment and carry out. Project progress and innovation breakthrough " in thick board solder (big load operating mode) the stability below working requirement moves " the difficult problem that is equipment of friction welding of agitate of double drive of design, production burden. After equipment develops a success, still need a breakthrough to exceed friction welding of big ply agitate to receive engineering technology and tool of fission style mix to design a technology, ability realizes the industrialization application that exceeds technology of attrition of big ply agitate. Be aimed at afore-mentioned difficult problem, task group used the technical approach that the graph shows 1 times. Shanghai spaceflight equipment makes total plant through surpassing Forster with Beijing limited company of technical limited company, equipment of Guangzhou numerical control and Shanghai traffic university cooperate with tackle key problem: At completing double drive in September 2009 the design of structure of main body of equipment of heavy-duty agitate friction welding is optimized and the development of system of transmission of feed of upset of servo of 200kN high accuracy; Differ at was being finished in Feburary 2010 fast the development of double drive lead plane and equipment installation; The 8 number of axle that finished equipment complement in June 2010 control the development of system and servo actuating device; The installation that completed installation in September 2010 and debug. Sequel still undertook style mix tool designs the research that reachs production technology length life to exceed big ply semmetry, explored welder art experiment method, formed stage by stage thick board agitate friction welding receives craft standard. Leader head is received to design production respect in burden agitate friction welding, this project broke through difference fast double drive solders technology of main shaft unit, position of tool of the design skill that mastered structure of lead plane of equipment of friction welding of big span, tall rigid agitate, agitate from adaptive control technology and the servo that are more than 200kN technology of system of upset feed transmission, the high accuracy stability that ensured heavy load leaves leader head moves, the gain of science and technology that scored sex of a few marks and invention are patent. In respect of numerical control system, the research that through platform of soft to controller hardware and bus line structure, high accuracy algorithm of core of technology of key of interpolation of series-parallel connection of much axis linkage, shunt-wound orgnaization and interface reach process designing function to wait, development gives stability tall, expansibility is strong homebred 8 axes system of 4 linkage numerical control. Engineering technology respect is received in friction welding of big ply agitate, took the lead in putting forward to exceed friction welding of agitate of big ply aluminium alloy to design a standard with agitate tool, the design that mastered agitate tool in the round, make, the technology of key of one a complete set of such as heat treatment and finishing, solved ply of 70 ～ 150mm key of large whole type is component part high quality, efficient reach low stress to not have be out of shape soldering engineering technology difficult problem, formed friction welding of big ply agitate to accept the system of whole set technology of demonstrative application, offerred a technology to support to realize deliver a child of the green of component of large aluminium alloy, efficient solder to produce. The graph shows the appraisal of 130mm face plate that receives for agitate friction welding 2 times. On November 21, 2011, "The friction welding equipment of large and crucial component part " the project is checked and accept smoothly through expert group. Expert group points out: This task solved the design of equipment of friction welding of multinomial and heavy-duty agitate, crucial technology problem in making, mastered each crucial technology of equipment of friction welding of agitate of high-grade numerical control. Manufactures equipment can realize bosseyed 80mm of material of thick aluminium alloy of thick, double-faced 150mm solder. Especially special double drive design, the small torque that realized agitate needle main shaft, high rotate speed rotates and the big torque of axial shoulder main shaft, low rotate speed rotates, the application of the development that is follow-up equipment and relevant industry provided technical safeguard. Equipment of heavy-duty agitate friction welding achieves the double drive of development international is advanced level. The main effect of the project and meaning country science and technology are great and special -- " the friction welding equipment of large and crucial component part " of the task carry out, broke technical monopoly of abroad, drove aluminium alloy large component part efficient, green solders of the technology span type develops. 1. The equipment of friction welding of agitate of series-parallel connection of double drive burden that manufactures a success independently (show 3 times like the graph) , overall technology achieves international advanced level, promoted equipment of friction welding of our country heavy-duty agitate the ability of own research and development and standard. 2.
The agitate attrition that realized 150mm aluminium alloy successfully solders, soldering there was remarkable promotion on ply ability, solder higher to get used to component of new generation model to be opposite thereby the demand of ply provided solid technical basis. 3.
Formed include equipment of heavy-duty agitate friction welding to make, agitate tool design is made reach welder art the friction welding of complete agitate of large and crucial component part that develops inside technical chain, technical achievement already was used in the production of face plate of our country new-style radar, built industrialization base. 4.
The development of equipment of friction welding of agitate of series-parallel connection of double drive burden is successful, disappear solders besides what use technology of two sides multilayer welding before and bring about cycle needs to classics be heated is handled and be out of shape instead after long, solder wait for working procedure, and process is complex, solder soot is differred with working environment more wait for a problem, the green that realized big ply aluminium alloy, efficient reach high quality to solder. As the industrialization application of achievement of technology of friction welding of big ply agitate, the solder deliver a child of large face plate produces cycle to will shorten for 4 days, will reduce manufacturing cost and specific power consumption significantly. Current, achievement of this task research and development will be used at photograph of our country new generation to accuse a radar face plate directly (ply 70 ～ 150mm) integral type solders make and box of lay aside of satellite of 5000 platform early-warning is propped up make. In addition, still can popularize the component part of key of big ply aluminium alloy that uses at making the 4th acting opportunity for combat and transport plane of large-scale for military use, to enhancing actual strength of our country national defence, safeguard consequently national security has great sense. CNC Milling