Brief analyse digitlization is flexible constructional crucial technology

The number controls a technology, use all sorts of numerical control ship-fitter to provide, clip holds implementation automation, make aperture, riveting and without seam calibration butt joint, the assembly of the component that finish, component and airframe joins the omnibus system project that wait. Flexible assemble a technology to be able to get used to the norms of plane part breed, batch, change that assembles craft, field and time to ask, finish quickly inside limited space assemble the task, achieve high grade, efficient, low cost, economic time. Advanced aircraft is flexible assembling a technology is one of crucial technologies that assure plane part and plane whole function. The plane is assembled be like next characteristics. (Spare parts of many thin wainscot puts 1) in flexibility to be out of shape, but the pneumatic appearance that makes sure the plane is strict even; (Complex, spare parts mixes 2) structure join an amount is huge; (3) needs to assure constructional accuracy with special tooling; (4) the technology covers bizygomatic breadth, the information content of need management is big. The digitlization of the plane is flexible assembling is project of a system, the whole process that machine of perforative Yu Fei rigs its number technology, computer IT has very important place. Digitlization is flexible the application that assembles a technology is the big climate that digitlization of manufacturing industry of current domestic and international aircraft creates, can overcome traditional plane to make not only (law of model of modular line _ ) outfit of allotment of labour of remove theatrical makeup and costume of imitate quantity harmonious system applies onefold, production cycle long, production charge is tall, harmonious need the defect such as many objective tool, and, get riveter through making aperture equipment, numerical control with automation or of the automation equipment such as automatic riveting equipment and industrial robot compositive, can comprise digitlization flexible assemble a system. The assembly of the plane divides commonly for 4 phase: Assemble design, outfit to deserve to prepare, assemble undertake, assemble a test, each phase have corresponding crucial technology to prop up, those who ensure whole plane is assembled is efficient with high quality. 1, the technology that the plane assembles plane of 　 of engineering technology 　 to assemble engineering technology is the basic structure that studies the plane is assembled, wait like wainscot of wing, envelope and airframe, assemble compose to build mode to undertake an analysis to a few kinds, if envelope is enclosed, long joist kind tool of automation line of slideway of suspension of spare parts, clapboard, pneumatic, can reframe module tool, modular child assemble casing of system and immediate effect wing to wait. This research offerred way of geometrical classification of characteristics, specific have an appearance control, outline control, direction control, avoid let control, fixed position control wait. Summed up 3 kinds of crucial features: Product key feature (the geometrical character of product of 　 of PKCs) 　 　 and material attribute, the performance that this feature affects a product greatly, function and assemble figuration. Assemble crucial feature (the feature that product of 　 of AKCs) 　 　 , tool, clamping apparatus assembles level, this feature affects the next to assemble the implementation of the product key feature of the process greatly. Produce crucial feature (parameter of production process of 　 of MKCs) 　 　 or workpiece tool character, this feature affects the product of level of spare parts character or the implementation that assemble process key feature greatly. 2, flexible what the part must have before plane of 　 of 　 of ship-fitter outfit technology is undertaking constructional is fixed, in order to maintain good aircraft kinetic appearance, all these should rely on tool to come true, so tool technology is the foundation that the plane assembles a technology. The construction that holds by ship-fitter and function can divide for: Groovy tool, module tool, flexible tool, CNC controls tool. Technology of many bits of figuration is flexible the foundation that tool designs, its are basic the thought is the site that uses disperse those who will plan to join plane buildup member is three-dimensional model face, take the place of in order to nod namely face. Use flexible tool, can make the plane is assembled model wear production cycle to shorten greatly, can replace much to secure assemble model frame. Those who use it can reframe quality, flexible tool can assemble a variety of aircraft spare partses. Envelope of fixed plane thin wainscot uses form of 2 kinds of tool commonly, one kind is plane of X, F secures tool of dot matrix static state, another kind is cavalcade tool of portable type trends. Both main element is length adjustable the clip that prop up runs unit, its height position uses numerical control servo to undertake controlling, make tool system shows workpiece theory appearance to distributing finally. Flexible tool system by a lot of height adjustable the unit that prop up is comprised, its locate the body that prop up can install different operation head, secure a requirement in order to satisfy different component. Support the buildup member of the plane to prop up clip reliably, clip holds power must be adjustable, its place those who hold position to open, shut the programme controll that must pass the computer, in order to get used to different plane wainscot kind assembly parts. 3, laser dogs the preparative level that measures technical 　 　 to be assembled in the plane, buildup member and the accuracy that assemble the position of tool system to measure affect the success or failure that the plane assembles directly. The buildup member size of the plane is large, the structure is complex, use three-dimensional position not easily to measure. Laser dogs surveying a system is the best method that solves this one difficult problem. It is had measure precision tall, measure size operation of big, installation is convenient, portable wait for an advantage, in can applying the ship-fitter of dry plane extensively to make. Laser dogs fixed position measures a system to be able to be linked together through aether net and systematic computer, dog by laser a few datum mark of the buildup member after location system measures outfit clip, acquisition measurement after data is handled through handling unit, feedback to tie all computer directly, the computer undertakes comparative to assembling the position of the position and accurate maths model actually again, obtain the correction of subassembly position. Such OK assemble component maths model as actually as its the position to unite rise, assemble referenced coordinate department certainly. 4, technology of control of number of computer of 　 of 　 of technology of computer number control is a plane implementation digitlization is flexible constructional foundation, the spirit that it assembles the plane that finish the place in the process to want all sorts of motion parts is certain and make aperture, riveting, implementation tool system is right of plane buildup member reliable and fixed, make sure the plane assembles appearance and the consistency that digitlize prototype. Flexible assemble a system to include to face constructional design system, technical data to prepare interface of system, man-machine, axis and logistic control, three-dimensional laser to measure, platform of unit of the riveting that make hole, mobile fixed position, fastener sends makings unit and flexible tool system. The plane is flexible the network number that constructional electric control is a kind of model controls a system, used net of TCP/IP industry aether and technology of spot bus line. The plane is flexible the superstratum that assembles electric control system has face systematic plane to design system and assemble technical data to plan a system. Lower level has unit of the system of platform of mobile fixed position, tool, riveting that make hole to wait. Itself of platform of mobile fixed position is control equipment of servo of a 5 coordinate, and flexible tool system used more positional servo rods, little criterion a few, many about a hundred. This kind of system is IT.

Drive technology, automation technology, logic is controlled.

Pass the shirt-sleeve system that programmed control makes. 5, 　 of 　 of technology of fixed position of robot complete closed circuit is assembled in the plane in fetching robot can raise the flexibility that assembles a system and accessibility, cooperate all sorts of terminal to carry out implement the assembly that can realize all sorts of differring works, be like automation bore and riveting. But belong to half closed-loop control as a result of the fixed position of the robot, fixed position precision is not tall, incommensurate plane is assembled in high accuracy makes hole. In recent years, because used the type that embed a person to control a method, three-dimensional laser dogs appearance can be mixed through the computer the robot is compositive rise, real time monitors quickly the dimensional position direction of the robot, determine the three-dimensional and absolutely position of the robot, achieve the result of robot full closed-loop control. Raised the fixed position precision of the robot substantially so, its work completely dimensional precision can be achieved 0.

05mm, can be competent completely of the plane.

6, shift of 　 of 　 of technology of platform of mobile fixed position locates platform is used at putting to make aperture riveting unit, the position that realizes unit of the riveting that make hole and the fixed position along envelope normal direction, solve the exact location of large size space, should have good stiffness. Below the premise of contented system function, the measure to function of construction of system impact that considers buildup member as far as possible. Fixed position platform needs 5 freedom to spend above commonly. 7, assemble emulation control plane of technical 　 　 is flexible constructional process is complex, have tool, make the aperture, riveting, participation that sends the unit such as makings, major assembly method is complex, assemble a face not to open open, assemble formally in plane part so before, the whole process that must rig to the plane has necessary emulation and desired result, in order to check the accuracy that automation rigs a process and dependability, assure constructional no risk at all. Assemble emulation system to should have following functions: (Feature of 1) equipment object builds a model; (2) motion contrail builds a model; (Postposition of program of 3) numerical control is handled; (4) trends is three-dimensional emulate; (5) collision interferes an examination. General, the data that emulation system inputs includes plane member three-dimensional maths model, flexible tool model, ship-fitter art parameter, assemble the data such as diagnostic tree. Emulate systematic processing through this, the three-dimensional trends that rigs generation whole process is emulated, flexible the adjustment that tool props up clip to hold unit sort, layout and them positional height data, generate assemble a process to control a process, show those who assemble tool system to make time plane part assemble time and the examination that assemble operation sex, security to evaluate a report. Assembling emulation control technology is a plane flexible the digitlization that assembles a system props up platform technology, the high flexible, high reliability that can assure to assemble a system, efficient the play of the utmost that waits for function. CNC Milling