Thermoplastic composite material spreads colophony radical automatically bring a technology

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As thermoplastic colophony radical the ceaseless development that composite material uses in domain of etc of aerospace, car, thermoplastic colophony radical composite material is known gradually, one of focal points that make composite material consider to develop [1] . This research introduced domestic and international thermoplastic the development existing state of affairs of composite material mixes colophony radical trend, outside analysing home in thermoplastic composite material spreads colophony radical automatically the research current situation that takes a side and its key technology. Thermoplastic composite material develops colophony radical the current situation and trend and colophony of hot solid sex base composite material photograph is compared, thermoplastic composite material has colophony radical hear resistance good, flexural strength and modular quantity cut tall, tenacity between tall, layer function is good, bibulous rate is low, beforehand dip makings storage period is long, repair easily wait for an advantage. Our country is thermoplastic colophony radical the application of composite material is much with short cut fiber to give priority to, successive fiber is thermoplastic composite material is inferior to colophony radical colophony of hot solid sex base composite material application is wide. High-powered, high temperature resistant thermoplastic the industrialized production of colophony matrix was widened thermoplastic colophony radical the applied foreground of composite material. Inchoate thermoplastic the buildup that composite material place uses colophony radical fiber basically is fibre glass, uses resin basically is polyethylene, polypropylene, polystyrene wait. This kind thermoplastic colophony radical the advantage of composite material is tenacity good, shape craft simple, production cycle is short; Defect is heat is out of shape low, tigidity differs temperature, satisfy aerospace to use the requirement of material hard. Accordingly, the country such as flower beauty developed heat-resisting and the colophony matrix that exceed heat-resisting in succession, call high-powered thermoplastic colophony, it is a kind of scent that waits for benzene annulus tigidity radical group to introduce molecular structure a group of things with common features material of linear high polymer. Tigidity radical introduces roundly rose thermoplastic the heat-resisting function of polymer and stiffness, intensity, and linear the structure of catenary still is maintaining thermoplastic polymer tenacity good, treatment is convenient, but for many times the characteristic of figuration, because this is a kind of function admirable and the matrix of composite material colophony with convenient treatment. Thermoplastic colophony radical composite material breed not only with matrix colophony, enhance fibrous function to concern, and enhance way with fiber, shape craft and equipment are concerned. As space navigation, car, electric equipment, building and the development need that wait with energy-saving concerned respect, high-powered thermoplastic the research of composite material and application also are developing colophony radical ceaselessly and perfect. From the point of resource and technical economy, thermoplastic composite material is in colophony radical efficiency of material price, production, assemble, the field such as upkeep costs is clear colophony of sex of solid of ground specific heat base composite material is superior, although thermoplastic colophony radical composite material also not perfect, but in the composite material times that shortly will come, thermoplastic composite material will act colophony radical decisive part [2-4] . Thermoplastic composite material spreads colophony radical automatically taking low cost of technical composite material to make a technology is current one of core problems of domain of technology of the composite material on international, include material technology low cost, design technology low cost and production technology low cost, involve a variety of composite material to shape technology, if twine,shape, automatic shop is put shape (silk of shop belt, shop) , pull crowded, braid, suture and RTM. Automatic shop brings a technology is collect beforehand dip takes clipping, fixed position, shop to fold, the function such as squeezing ramming at an organic whole, and have accuse gentle quality to detect functional composite material is compositive change numerical control to shape technology, its shop is the first by certain motion curve, make beforehand dip belt is the first via the shop deferent, cut, heat wait for an operation, apply of direct below the function that controls roller shop at mould surface, shop of implementation composite material is folded shape automatically (graph 1) , original and manual shop can be replaced to fold the composite material in shaping inside certain limits the equipment such as system of the makings below automatic clipping and system of location of lay up laser [5] . Current, the research that abroad takes technical side in automatic shop already hasten is mature, and domestic automatic store brings a technology research is later, in thermoplastic composite material spreads colophony radical automatically the research that puts an aspect has not start. This lab is developing sex of many hot solid successfully independently composite material spreads the base that brings machine and technology of its form a complete set automatically to go up, current to abroad thermoplastic composite material spreads colophony radical automatically to the theory that put a technology to have development is analysed and use research. Thermoplastic composite material spreads colophony radical automatically take a technology to incorporate technology of engineering technology, equipment and CAD/CAM software technology. Among them, engineering technology shows a beyond the mark analyse is thermoplastic composite material spreads colophony radical automatically the main influencing factor that brings a product, achieve the goal that optimization machines thereby; Equipment technology shapes immediate impact and the automation that restrict composite material level; The research that CAD/CAM software technology basically points to software is relevant and algorithmic and software develop a technology. 1 thermoplastic composite material spreads colophony radical automatically belt engineering technology is thermoplastic the shop of composite material lets off Cheng to include to heat, melt and cool, accordingly, the different hot character as a result of matrix and fiber material and the inhomogenous sex that heat and cool, produce leftover stress inevitably. Consider from the quality angle of the product (for instance precision of the stress between the layer, dimension) , the size of leftover stress needs to have a concessional limit. Additional, bear the weight of mediumly in structural member the union with partial better need, should not have small opening. Not complete union can cause higher hole rate, will reduce the mechanical performance of composite material badly. Returning those who need a consideration is by high temperature be caused by thermoplastic the hot degradation of colophony matrix. Colophony matrix lies for long in high temperature environment happen degradation and decompose, accordingly, heat exorbitantly the degradation that temperature will cause matrix, heating up degradation finitely thereby is another quality requirement. Cheng is let off in the shop in, improve productivity even. Although thermoplastic the advantage that composite material has colophony radical to shape directly, do not need an aftertreatment, but current thermoplastic the treatment speed of composite material and photograph of hot solid sex compare colophony radical a lot of slower, because this carries colophony of high fever plasticity base the treatment speed ability of composite material improves its productivity from real significance. Thermoplastic the principle master drawing that automatic shop takes is shown 1 times like the graph, carry with proper point of view dip is taken and pass beforehand constant of rate press roller pressing to be on mould board. The course is taken in the shop in, use add shrinkage fitting buy to heat beforehand dip belt, with press roller to be opposite beforehand dip belt uses force; Beforehand dip belt comes true below environment of high temperature high pressure former a solidify; Quality testing system is online detect the quality of lay up surface. Restrain a condition in view of quality, the treatment model ability with many need machines craft and product quality certainly (state of affairs of degree of leftover stress peak value, degradation, union) the relation between. Treatment model offerred the concern that be inputted between treatment variable and product quality and outputs. Machine the quality that variable can be controlled and affecting a product, accordingly, answer to change treatment parameter through experimenting repeatedly, get best treatment technology [6] . Nextpage2 is thermoplastic composite material spreads colophony radical automatically belt equipment technology basis is thermoplastic composite material spreads colophony radical automatically the special requirement in taking a course, its are spread automatically take equipment and hot solid sex the shop belt of composite material sets stock very big different, thermoplastic composite material spreads colophony radical automatically take equipment to want to be satisfied below high temperature environment to work for a long time not only, assure condition of high temperature melt even beforehand dip belt does not suffer destroy, additional, thermoplastic composite material is spreading colophony radical automatically in taking a course already former already a solidify, while because this is in,high temperature heats, still need to provide very great pressure, assure thereby beforehand the better union between dip belt layer, satisfy the mechanical function that goods place asks. As a result of thermoplastic the shop takes equipment to want to satisfy so many slashing requirement, and abroad is in this respect executes a technology to block to home, at present home about thermoplastic composite material spreads colophony radical automatically the research that takes facility has not start. Graph 2 thermoplastic composite material shop takes colophony radical before the head, abroad is concerned thermoplastic composite material spreads colophony radical automatically it is mature that the research that heads a technology already tended. Graph 2 what develop for NASA is thermoplastic composite material spreads colophony radical automatically be the first, this facility is main by put reel, send makings plane, heat axis of spacer of 2 groups of device, metals, 3 group pressing boots and infra-red measure Wen Yi to comprise. Thermoplastic beforehand dip belt is the first through the shop go up heat send makings machine to be sent to region of thermal treatment zone, region of thermal treatment zone has 2 groups to be able to fluctuate to add hot pressing boots mobily to make beforehand dip belt keeps the temperature range in need in, provide the pressure that 1000N controls, through heating pressurization beforehand dip belt shop is in mould surface. Cooling zone region also has what many fluctuation moves to press boots, can provide the pressure that 3000N controls, rise beforehand the solidify that dip takes lay up is spent. As a result of what be used at aviation industry thermoplastic colophony radical for instance PEEK melting point is in composite material normally 400 ℃ are controlled, the data of viscoelasticity supports for long impossibly so high temperature. Graph 3 sheet metal press boots Nextpage accordingly, press boots to use join of many sheet metal to comprise (graph 3) . According to the appearance of mould surface, adjust the fluctuation route that controls boots. In region of thermal treatment zone and cooling area, lie for protection in high temperature environment beforehand dip belt is not damaged bad, make beforehand dip belt gets power even, in pressure boots and there all is spacer of a metal between dip belt beforehand, the action that press boots is on metallic spacer, pass metallic spacer beforehand the face that dip belt presses in the mould [7] . Graph 4 for abroad thermoplastic composite material spreads colophony radical automatically put shape goods. Graph 4 thermoplastic composite material spreads colophony radical automatically put shape center of research and development of technology of automation of composite material of university of goods Nanjing aerospace is being developed independently thermoplastic composite material shop is the first, its principle prototype is shown 5 times like the graph. Be opposite at the same time thermoplastic composite material spreads colophony radical automatically took a technology to undertake theoretical analysis, be about to undertake experimenting study to its, fill the country is immanent thermoplastic composite material spreads colophony radical automatically the blank that takes a side. 3 thermoplastic composite material spreads colophony radical automatically take software technology to spread the research that puts CAD/CAM software technology to basically show software is relevant and algorithmic and software development technology automatically, include orbit program technology, enclothe a gender to analyse technology, border to handle technology and aftertreatment technology 4 crucial technologies. Home has not have commercial at present automatic shop puts CAD/CAM software, relevant technology still is in active exploratory study in. Current, AFPT/Koeirit company uses software of VCP&VCS (VERICUTComposite Programming And Simulation) to be used at thermoplastic the development that the shop takes a system. This software is the development on the foundation that emulates software VERICUT in original CNC Machining by American CGTech company, independence is taken at the automatic shop of environment of CNC machine tool and the process designing of NC leaving a line of automatic shop silk reachs emulation software, readable the curved surface model in taking CAD file and information of lay up border, generate a shop to put orbit, integrated monolayer contrail, undertake lay up order is optimized. This software generates NC code, offerred port of general CAD/CAM software at the same time, what can realize the software such as CATIA, UG, MasterCAM is built-in move [8] . Thermoplastic composite material spreads colophony radical automatically take a technology to although,be looked into thermoplastic composite material has colophony radical superior performance, but the application on aviation industry did not reach the level that assumes at the outset, and colophony of hot solid sex base composite material remains main composite material. Because,this basically is thermoplastic big, deliquescent function differs colophony viscosity, cost of material is tall, lack use experience to wait. Additional, because home is thermoplastic colophony radical composite material automation shapes the technology is backward, composite material photograph compares its treatment speed and hot solid sex a lot of slower. Because this is,expand thermoplastic colophony radical the application of composite material, play its are advantageous function, should raising material technical properties not only, reduce cost of material, accumulate the respect such as use experience to study deep further, still need to accelerate home thermoplastic composite material spreads colophony radical automatically the research step that takes a skill, strive for come true at an early date in home thermoplastic composite material spreads colophony radical automatically belt shape, in order to break a developed country the technical forestall to our country, the development of career of stimulative national defence, aerospace. The article has bibliographical reference 8, because length place is restricted, fail to list one by one, if the reader has need, ask for to this print editorial office please. CNC Milling