The crucial technology of design of CATIAInjection Mold Tooling and process designing of numerical control milling reachs his to apply

CATIA of flow of workmanship of CATIA mould design is designed in plastic mould and analysed level to apply parameter adequately to change diagnostic modelling technology and database technology. Plastic pattern provides medium standard component, the parameter that if standard mould bases, top gives orgnaization, gating system, refrigeration to be used the system,is based on database management changes diagnostic modelling to design method undertakes designing or build standard component warehouse, share in order to realize data, satisfy an user to be revised to the design at any time at the same time, make the design analysis of the mould fast, accurate, efficient. Parameter changes diagnostic modelling to describe the geometrical graph information of the product thoroughly not only, and the precision that can acquire a product, material and assemble wait for information, the product model that its build is one kind is handled easily, the model that can reflect design intent and treatment feature. The CAD of the mould designs an analysis, the design that includes to have mould cent side according to product model, affirmatory model antrum and model a few respects such as analysis of process of the detailed design of structure of core, mould, plastic stuff. Use CATIA to be able to define cent area easily, make fluctuation model antrum and modular core, have flow path, runner and cooling way decorate etc. After deciding these design data, recycle MOLDFLOW, CFLOW undertake plastic figuration process is analysed, dynamic emulation analysis is plastic the condition of injection process flow inside antrum of the model that note model (the plastic converge grain when containing much runner to inject is analysed) , circumstance of change of analytic temperature pressure, analysis notes model leftover stress, the quality problem of the rationality that will examine mould structure according to analysing a case, rationality of flow condition, product. For instance, whether to exist gating system is unreasonable, and occurrence flow path and runner position dimension are undeserved, cannot be full of evenly model the circumstance of antrum; Whether to put in product structure unreasonable or mould structure is unreasonable, and occurrence product fills dissatisfaction (short shoot) phenomenon; Whether to have refrigeration inhomogenous, and influence production efficiency and product quality; Whether to existence notes model craft misgivings and appear the warpage of the product. Can eliminate the error through CATIA in mould design phase, rise to try a model to be led successfully. If the graph is shown 1 times,CATIAInjection Mold Tooling designs production job circuit. Undertake unplugging modular analysis and cent face is designed according to designing a product above all, use a mould to design expert system to build product of project, to load, found call mould bases, design oriented system, gating system, top to give the auxiliary share such as orgnaization, flow path and refrigeration next, undertake dividing modular imitate, output Bom watch. Design of graph 1 Injection Mold Tooling makes circuit 2.

CATIA products plan and cent model design design detailed design from the concept, generate to project attempt again, the CAD part of CATIA V5 can accelerate the rate that the product develops. The CAD part of CATIA included draft design, hardware design, assemble a design, solder design of gold of design, mould design, structure design, punch-die design, Ban, composite material design, achieve style freedom the module such as curved surface design and industrial exterior design. Graph the models of 2 mobile phone product that design to be below CATIA environment, unplug modular analysis and cent model face design sketch map. Products plan of graph 2 CATIA and cent model are designed 3.

Mould of CATIA mould design is designed (Mould Tooling Design) the module that is definition of pattern of a management. It but the design with CATIAV5, emulate and make wait for module to work in coordination, support includes example of definition of punch-die fixed head, component to change, all jobs that the mould such as inject and cooling feature definition designs. The mould designs module to allow ground of fast, economy to found Injection Mold Tooling, can use the standard catalog warehouse below: DME, DME-AMERICA, EOC, FUTABA, HASCO, MISUMI, NATIONAL, RABOURDIN, STRACK. CATIA can let Injection Mold Tooling design personnel to found, revise and analyse mould component, it is when mould design change, update them quickly. The convenient and quick compositive environment that CATIA designed personnel to offer creativity of a play for the mould, its are based on the mould of expert system to design functional component to basically include the following shares. (Component of 1) mould bases (Mold Base) standard mould bases includes to decide pattern plate (Clamping Plate) , on backing plate (Upper Bar) , bolster plate of sunken model antrum (Cavity Support Plate) , punch core bolster plate (Core Support Plate) , bearing bolster plate (Riser Bar) , ejector pin bolster plate (Ejection Plate) , the user needs to design good standard component to undertake detail is designed to these only, can finish the Injection Mold Tooling with complete product to design the job, this reduced a mould to design the workload of personnel greatly, improved the design efficiency of Injection Mold Tooling and quality. Graph the sketch map after the 3 to load interfaces that are mould bases of this mobile phone and to load are finished. (Component of 2) drawing of patterns (Ejection Component) this component offerred the design that includes the standard such as ejector pin to take off module and fixed position. (3) secures package (Fixed Component) be like,can add through this component the join such as bolt, screw, nut the design with fastener. (4) oriented component (Guide Component) use at guide pillar, guide-post bushing to wait direct the function of design to load of yuan of component. To load of mould bases of graph 3 CATIA is called (5) is pouring package (Injection Component) use at the design pouring the functional design such as mouth, runner, cooling path. Punch-die of graph 4 CATIA is designed (component of 6) fixed position (Locating Component) it basically is finished add fixed position to sell, the function of the fixed position component such as lining. (7) other component (Miscellaneous Component) it offers an user to define a component oneself, be like the design function of snail column, bedspring. (8) list (BomReport) the mould after be being finished to the design yuan, ministry package undertakes collect is outputted, at the same time can the form of the webpage undertakes outputting. Graph 4 with the graph the BOM of the 5 punch-die after be being finished for design of mobile phone mould respectively and mould component collects total result. Mould of graph 5 CATIA designs forms for reporting statistics 3, the CAM technology of Injection Mold Tooling of process designing of treatment of milling of CATIA mould numerical control basically applies in the respect such as treatment of cut of treatment of numerical control milling, line, electric spark treatment. CAMCNC Machining technology is in especially of mixed pattern model antrum, model the milling of core and electrode is having more main effect in treatment. The main job of numerical control process designing, of character of sort of the optimizes program, NC instruction generation that comprises contrail of cutting tool of thick finish machining, cutting tool and material library build, of process of the affirmatory, common cutting of parameter of cutting treatment craft and control of fabricating characteristics of high speed cutting, precision control that cuts examination and treatment surface too, treatment. Process designing of CATIA numerical control has a product three-dimensional build editor of contrail of design of contrail of model, cutting tool, cutting tool to revise, treatment is emulated, interface of function of 2 postposition processing, development and data file transmit exchange to wait for a few main component. The validity of data of model of three-dimensional product of CAD of special in the application of CAM technology requirement. When the program of numerical control milling that weaving much music faces an elephant, have higher demand to curved surface model, the high accuracy of the consistency of direction of the U that is like photograph adjacent curved surface, V, curved surface and curved surface plans to close, curved surface slope changes continuously etc. CATIA used parameter to change diagnostic modelling design and unified database technology, make of product model data, mould model data of antrum core data, cutting tool contrail is based on unified model, the corrective replacement of cutting tool contrail and product model is automatic and associated. Substance of mould CNC Machining emulates the result of the spare parts after can intuitionistic report is machined, in can examining a treatment process cut too, the mistake such as interference, eliminate the error in design phase of treatment craft process designing, after reducing treatment thereby repair and do poorly done work over again, improve the production efficiency of the mould and quality greatly. The function of numerical control process designing that the mixture that CATIA system offers builds modular plan and high quality can assure success such as the design of tall mould and numerical control process designing. 1.

The CATIA of primary technological process of process designing of CATIA numerical control is used at the CNC Machining of product part, its flow is shown 6 times like the graph commonly. It is to call cutting tool of semifinished product of product part, to load, definition above all, the object a future life that chooses to machine working procedure of politic, definition, treatment next becomes corresponding treatment form. The user comes according to the content that processes form the type of unripe set prescription of contrail of establish cutting tool, guide like what machine the specific content of the object, cutting tool move knife of angle of rotate speed of step pitch of means, cutting, main shaft, feed, cutting, advance and retreat the detailed content such as face of dot, interference and safe plane, generate cutting tool contrail, after waiting for all cutting tool contrail to design qualification, undertake the aftertreatment generates the treatment code of system of corresponding numerical control, finish a DNC to transmit with CNC Machining. The operation of numerical control process designing of CATIA is simple, in process of program of design of contrail of whole cutting tool, can modify the content such as treatment object and cutting parameter arbitrarily. Notable is, as a result of its dependency, when undertaking flow of cutting tool contrail is designed, to machining the definition of the object, had better have an overall program. Can undertake to cutting tool contrail and treatment form copy, stickup, delete and conceal etc, still can be opposite plan of specific cutting tool contrail undertakes edit and be modificationed, of speed of following knives, corner adjust etc. The case that module of process designing of systematic CNC Machining provided such as to issue contrail of edge of observation cutting tool to move in graphical means, undertake the graph is changed revise wait for a function, can undertake Dao Weiwen duplicate, editor, revise, cutting tool definition, build bed and cutting parameter database to wait. Aftertreatment program can choose the way of two kinds of aftertreatments such as the ICAMPost of the IMSPost of Intelligent Manufacturing Software Inc and ICAM Technologies Corporation, generate numerical control machine tool to be able to identify the program code document of treatment. Flow chart of process designing of numerical control of graph 6 CATIA 2.

Strategy of contrail of CATIA cutting tool and aftertreatment CATIA system were offerred bore, tap and bore hole to wait circularly choose a way of treatment process designing, have a variety of outline treatment, wait for tall be surrounded by mountains to cut, cut all right and the process designing function such as milling of islands treatment plane. Linkage of much axis of complex curved surface machines the 5 coordinate of 3 ～ that its offer process designing function, have be based on outline of rudimental semifinished product, curved surface, etc tall statified, surround streamline of equidistant, curved surface, corner is clear root, rotate orbit controls a variety of cutting tool such as curve of side edge of blade of bottom of four-axle, 5 axes, 5 axes means. Tall to waiting accordingly the process designing pattern that thick finish machining of statified, curved surface has high speed milling. The main treatment that contrail of its cutting tool introduces below is politic. (2 dimension of 1) are nodded with a variety of treatment such as outline, chamfer, plane functional system offerred such as parallel in this respect milling, surround, wait for tall, deep Kong Zuan to cut a function, basically use at having precision work to mouth or the outline flank that close. Treatment of commonly used 2 dimension chamfer and the cutting tool contrail that process designing of milling of its high speed machines, if pursue,7 are shown. The chamfer inside A) surrounds high speed of C) of milling of parallel of milling B) curved surface surrounds milling pursues contrail of 7 milling cutting tool is politic sketch map A) is equidistant surround emulation imitate of C) of clear root of ministry of milling B) root pursues milling of 8 Bao Bi spare parts machine sketch map (2) is opposite the form of contrail of cutting tool of thick finish machining of dimensional curved surface is OK curved surface, basically include rough machining of curved surface scanning (Sweep Roughing) , etc tall statified rough machining (Roughing) , curved surface finish machining (Sweeping) , outline drive (Contour Driven) milling of milling of curved surface wide choice, helix of curved surface of 3D mode airspace (Spiral Milling) etc. Have pair of curved surface at the same time between intersect area or corner place undertake or for many times drawing style clear root is machined (Pencil) process designing function. To dimensional curve, outline of achievable 3D curve (Curve Following) , three-dimensional outline (Profile Contouring) wait for treatment strategy, can undertake 5 axes curve machines 3 ～ . The control means of contrail of cutting tool of milling of dimension airspace curved surface is agile and thirdly diversiform, consequently orbit can be adjusted according to need. What the graph shows 8 times is part of product of some thin wall structure, its machine a feature to be one airspace curved surface, and the islands that includes numerous and different plane, the function of process designing of treatment of numerical control milling that CATIA system uses here wove to its high speed surrounds the milling machine program of treatment and corner clear root, kept abreast of treatment is emulated. (Include to change here the axis scans (Multi Axis Sweeping) , outline changes axial drive (Multi Axis Contour Driven) , curve 5 axes drive (Multi Axis Curve Maching) , milling of outline of 5 axes side edge (Multi Axis Flank Contouring) wait for a variety of treatment contrail strategy. The vector of axis of pivotal cutting tool that the 5 axes that the system offers machine controls fashion, include method of curve of dot, linear, space, three-dimensional outline, curved surface to with curved surface after the law is forward, the left and right sides tilts wait for means. If pursue 9, what the graph shows 10 times is commonly used respectively means of control of vector of axis of cutting tool of 5 axes treatment and its contrail sketch map. A) points to law of curved surface of D) of curve of dot B) linear C) to sketch map of axis of E) cutting tool vector of axis of cutting tool of 9 5 axes is controlled 3.

Example of process designing of milling of CATIA mould numerical control uses afore-mentioned numerical control milling of CATIA system to machine process designing function, the user is OK very the work out that the numerical control milling that has mould punch-die part conveniently shapes works. The half essence mill of the part of makes with CATIA namely mobile phone sunken model that the graph shows 11 times and the cutting tool contrail that clear root machines reach his to emulate treatment sketch map. Law of A) curved surface to 5 axes B) 5 axes De Renxi cuts C) milling of 5 axes side edge pursues 10 commonly used 5 axes machine sunken model of sketch map A) emulation imitate of C) of clear root of area of B) of half essence mill pursues contrail of 11 moulds cutting tool and emulation sketch map 4, last word CATIA serves as be based on free, collect products plan, analysis, make the delegate that manages the CAD/CAM/CAE software platform at an organic whole with data, the function is very powerful, especially its powerful mould will make module in the mould in the action with huge play. The famous user of CATIA includes Boeing, Kelaisile, BMW, run quickly wait for large quantities of one well-known companies, in large Boeing the CATIA can see in packing a production that wait figure of cosmetic of motor of 747 planes, rocket, diminutive. CATIA also received wide application in China, dragon of god of jeep of masses of masses of consistent steam group, one steam, Shenyang gold cup, Shanghai, Beijing, Wuhan a lot of Motor Corporation that wait inside, chose CATIA to design software as the core that develops new model. The article is the function with outstanding to its ground of the work is far from complete undertook introductory only, hope the constituency that can understand CATIA to wanting is helped somewhat. CNC Milling CNC Machining