Pro/E applies mediumly in design of hot compound model and CNC Machining process designing

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[summary] the flow that the article told about the mould design that uses Pro/ENGINEER to have product of glass reinforced plastics and process designing of its numerical control, the parameter that says with the form of example palpability uses Pro/ENGINEER software changes diagnostic modelling and the character that share a database to be in the advantage in mould design and numerical control process designing, be engaged in a product for the reader the efficient application of three-dimensional design, mould design and numerical control process designing offerred reference to draw lessons from action. [keyword] glass reinforced plastics of process designing of numerical control of Pro/ENGINEER mould design the pillar industry that industry of 1 introductive mould is national economy, the product of 50 ％ above that waits for an industry in car, mechanical, electron, aerospace relies on the production of the mould. The mould regards industrial product as fundamental tooling of production, the plan that its devise efficiency of periodic, production and quality to affecting a product to produce directly, cost and quality. Accordingly, the design quality that improves mould and tool and manufacturing efficiency are having direct and important real sense to the economic benefits of the enterprise. Wait as balata, plastic, glass reinforced plastics metalloid the proportion that reachs composite material to be occupied in the place in industrial product is larger and larger, the quality that improves product of metalloid composite material and applied limits are having close relationship with the design of the mould greatly. Pro/ENGINEER changes the delegate of CAD/CAM software system as parameter, realized product part component to design the design that makes whole process to make unifinication from the concept, offerred change diagnostic substance modelling to be the associated design between foundation, component with parameter, share the technology such as database and expert system knowledge, it is collect products plan, analysis and the CAD/CAE/CAM software platform of production unifinication. What it makes product CAD/CAE/CAM realized data between unit system each is automatic deliver with without seam changeover and compositive, the three-dimensional model that CAD system builds is accepted smoothly in system of CAE, CAM, be based on the synchronism on unified database foundation to update. In the meantime, data of the cutting tool contrail of the CNC Machining that it assures to design of products plan, mould, product reachs a mould and NC treatment code is updated automatically, avoided to repeat products plan to build the job of model and process designing of NC numerical control, realized the complete dependency design of CAD/CAE/CAM data. The is based on expert system mould that Pro/ENGINEER offers designs function and function of efficient numerical control process designing, the mould with its and product and completely relevant workmanship designed a method to overcome traditional pattern to design the defect of mode, detect through the mould, the three-dimensional trends that divides model, imitate automatically to open model and CNC Machining to emulate shows wait for a design to make wait for a method with video technology union, make the design is shown more livelily before people. It improved the efficiency of products plan and production greatly, assured to the labor productivity of products plan and technologist is liberated while the product produces plan and quality. The system still offers all sorts of data port, wait like IGES, STL, DXF, STEP, make the user can read the data model that takes the CAD/CAM system such as UG, Catia directly. The mould of 2 Pro/ENGINEER devises plan 2.

The 1 mould that is based on expert system designs the powerful three-dimensional model function that uses Pro/ENGINEER software to offer, the architect can finish a product quickly found with revise. Use Pro/MoldDesign, Pro/Casting, Pro/Die to wait be based on expert system pattern to design a function to be able to finish minute of model, mould antrum to reach quickly model of core generate automatically, of component of standard mould bases and component call wait for relevant content, complete the model that note model, design that casts model, punch model finally. Over the base that design expert system builds its mould to be united in wedlock in products plan and workmanship flow photograph, if cast, ply of the design of cent of design of clearance of the runner in Injection Molding, flow path, punch-die, mould face, spare parts and unplug the model detects waited for workmanship experience to undertake absorb and applied. Use Pro/Plastic Advisor structure of the function to the mould, mould, note model in shape of the temperature field in the process finite yuan conduct heat analysis and flow path analysis. Pro/MoldDesign and Pro/Casting module are caused in the casting that note model model the mould provided function of the following series in design process. (1) the analysis designs a part whether but model, undertake examining mixing to issue area repair. (2) model of hardware data, geometry and mould design the contractive clearance that answers relatively. (3) undertake mould punch-die the design of cent face. (4) the design of flow path of mould punch-die core antrum, runner. (5) the mould opens modular imitate and ply, unplug model, interference detect. (6) component of component of standard mould bases calls the design that reachs orgnaization of drawing of patterns. (7) the monotype antrum model of the mould and much model antrum model design. (8) product, punch-die core, model the design of mould complete dependency of antrum. (9) flow of the imitate that note model, conduct heat reach shape analysis. 2.

If the circuit that 2 moulds design flow to use Pro/ENGINEER to undertake the mould is designed pursues 1 is shown. The product part that will designed above all and the spare parts of mould semifinished product that wear a design according to standard standard undertake constructional, the setting is very proper unplug modular way, undertake unplugging model and ply detect, set a system of fixed quotas for grain production to taste shrinkage and punch-die clearance; Next, of the design that has mould cent side and punch-die break up, undertake modular imitate and interference detect again; Wait for what mould bases of runner flow path and orgnaization of drawing of patterns, standard and package have after punch-die is draw-out and successful to assemble a design; Finally, choose what all design finished product turn to produce a branch to undertake component make with treatment. From this knowable, design of its products plan the enterprise, technology, mould design and CNC Machining process designing are compositive together, improved the efficiency of design of product, mould, technology and numerical control process designing. Graph 1 mould designs working circuit 2.

The treatment of product of design example glass reinforced plastics makes 3 hot compound models have commonly usedly twine shape, mould pressing shapes, lamination shapes and pull crowded shape wait for technology measure. Glass reinforced plastics heats up the mould pressing of compound model to shape is product of composite material of glass reinforced plastics of sex of basis hot solid shape characteristic, adopt certain burden and filling technology, in the classics on compressor the joint action of constant temperature, pressure and time falls heat, solidify, cooling mould pressing shapes. The design that the characteristic that glass reinforced plastics heats up compound model to design is its mould cent face, punch-die design and note model model or cast modular likeness, but without runner and flow path, orgnaization of its drawing of patterns is relatively simple, the body that the mould designs is mixed in punch-die core centrally model on the design of antrum. Pattern of traditional design of hot compound mould is mould bases of an advanced travel analysis for technological efficiency, standard choose, the 2 dimension plot that have orgnaization of punch-die, drawing of patterns and relevant part next are designed. Efficiency of method of design of this kind of mould is low, not easy examination designs medium mistake, and the experience that the mould designs quality to rely on design personnel greatly. After 2 dimension plot is finished, the need when undertaking CNC Machining process designing has three-dimensional model afresh. And when design of the mould after should trying a model to finish needs to change, should undertake a large number of reduplicative such as 2 dimension plot, three-dimensional model and numerical control process designing work again, be in especially of punch-die model when core antrum design and process designing of follow-up CNC Machining, plot and detected workload are great. The pattern that uses Pro/ENGINEER to be based on expert system designs functional module, undertake according to the product design of mould cent face, punch-die design, interference detects directly, imitate flying a model and mould are assembled etc, punch-die the design is finished, avoided a mould to because experience is not worth the error that cause,design staff. In the meantime, the punch-die that after the mould the design is finished, gets turns into follow-up NC to machine module to undertake CNC Machining process designing directly, and when needing to revise with the mould when the product, the cutting tool contrail of punch-die and CNC Machining is changed as the design and update automatically entirely, improved the efficiency of mould design and numerical control process designing and quality. Whole design process is completed below compositive environment. Graph the 2 punch-die that have product of some glass reinforced plastics and its pattern to use Pro/MoldDesign module devise example, in the graph (B) unplug to design the cent when face to reach modular way. The design of whole punch-die undertakes according to product model the model is designed completely dividing, open a model to design punch-die at the same time finish, relatively the efficiency that used traditional 2 dimension design to improve a design substantially, shortened mould design makes cycle. Graph 2 hot compound models devise example (A) product pursues (B) cent face (C) sunken model (the CNC Machining process designing of D) punch 3 Pro/ENGINEER 3.

Brief introduction of function of process designing of 1 numerical control is in the respect of CNC Machining process designing of the product, pro/ENGINEER software offerred the Pro/NC of module of numerical control process designing with powerful function. This CAM module and CAD module are compositive together, have powerful CNC Machining process designing, postposition to handle a function. Pro/NC can part to undertake CNC Machining process designing to all sorts of treatment means of all sorts of treatment machine tools, can produce manufacturing process program, the knife that offers parameter to change orbit is generated, estimate the time of treatment. Cut of the CNC Turning that it has, milling, line machines process designing function, center of supportive turning center, 5 axes milling and function of process designing of CNC Machining of four-axle line cut, have complete and associated sex, change to any designs, can make machine program and material automatically. The document of cutting tool contrail that uses Pro/NC to generate calls CL Data (Cutter Location Data) , undertake emulation machining detecting through Nc Check cutting state, offerred Vericut imitate function is OK the purify process of imitate material, make the user undertakes to cutting process fast desired result and ground of cutting tool contrail optimize a design to provide guidance, cut in order to forecast interference of sum of errors too. The CL Dao Weiwen of generation classics Ncpost or code of NC of generation of Gpost postposition processing. Be like,the postposition processing program that its offer can be satisfied the numerical control system such as Fanuc, Heidenhain, Simenses, Mitsubishi, Mazak, Agie and Charmilles. The user can pass document of modification Option File (the machine tool configures a file) with FIL File file (file of interface of system of numerical control machine tool) , the postposition that generation suits to control machine tool system from know exactly about sth handles an order. 3.

Process designing of numerical control of flow of process designing of 2 numerical control is to show according to be being machined appearance of the technical requirement of the spare parts, geometry, dimension reachs craft to ask to decide treatment method, treatment course and craft parameter, cutting parameter (deepness of feed of main shaft rotate speed, cutting tool, cutting) reach auxiliary function (main shaft positive and negative, the cutting tool contrail when undertaking numeric computation wins effective treatment, the code that uses by place of numerical control machine tool next reachs block format, output the process of the CNC Machining program of workpiece. The functional module of CNC Machining process designing includes editor of contrail of design of contrail of graphical geometry modelling, cutting tool, cutting tool, treatment to emulate commonly, postposition is handled and total number changes drive to revise according to associated parameter wait for functional module. The work out technological process that uses Pro/NC to have numerical control program and the logistic thinking that machine actually are similar, graph the 3 flow chart that undertake numerical control process designing to use Pro/ENGINEER. Graph when flow chart of process designing of 3 Pro/NC numerical control uses Pro/NC module to undertake numerical control process designing, the logical step with ask production engineer is abided by certain gets together the cutting tool contrail that will design treatment place to need. Its process is: The production model that designs treatment place to need above all (product and semifinished product) ; Build those who include department of coordinate of treatment machine tool, cutting tool, clamping apparatus, treatment to wait for respect content to make project database next (treatment environment is installed) , its are defined can finish before cutting tool contrail designs a program, also can having cutting tool while orbit is designed, undertake installing; The geometrical object that next the choice is machined (dot, outline, curved surface or substance) with treatment means, wait like bulk milling, curved surface milling, according to specific treatment means establish appropriate cutting craft parameter is like the production parameter such as rotate speed of step pitch, deepness, main shaft, the system reachs cutting craft parameter to undertake numeric computation generates the cutting tool contrail of need according to machining object and treatment means, here to improve the design quality of cutting tool contrail, through emulating treatment Vericut function detects knife the place with unreasonable contrail; Finally, handle to Gpost of classics of CL Data file or Ncpost postposition through aftertreatment program generate NC of system of machine tool of corresponding numerical control machine program code. 3.

The numerical control process designing that example of process designing of 3 numerical control uses Pro/ENGINEER to have product and pattern and emulation treatment, when product model is changed, designs punch-die core antrum and ordinal of CNC Machining Cheng are occupied, cutting tool contrail and NC code are updated subsequently. Accomplished products plan and of production data completely relevant, make the design makes unifinication. Graph the 4 cutting tool contrail that heat up CNC Machining of product of compound model punch for afore-mentioned glass reinforced plastics pursue. The user is OK the content that dominates tree of process designing process and craft parameter list according to the need logarithm of treatment undertakes editing modification, create efficient and excellent numerical control program. A) B) C) pursues parameter of craft of C) of contrail of cutting tool of punch of B) of tree of flow of process designing of A) of example of process designing of 4 numerical control cultivates 4 brief summary the application of the mould design that the article heats up compound model with glass reinforced plastics and numerical control process designing is exemple, told about go up in Pro/ENGINEER software platform, the technology such as the dynamic and associated design that uses systematic parameter to change drive feature to modelling is designed and share a database, mould design that is based on expert system and CNC Machining process designing, the system introduced the flow of mould design and numerical control process designing, the weakness that overcoming 2D mould design while the successful experience that increased a mould to design development and successful rate. In NC environment of treatment process designing falls, undertake numerical control process designing directly to the punch-die model that take out, reduced the workload building a model when process designing greatly, increase design resource but repeated usage rate, reduced the wrong rate in design and numerical control process designing, the complete dependency design that the product realized on real significance and production unifinication. In applying actually, can expand the design of the special tool clamping apparatus that locates with space face and numerical control process designing, can undertake the design of special fixture and numerical control process designing are machined efficiently quickly, the software application level to raise Pro/ENGINEER and enlarge its to applied limits to offer draw lessons from action. CAD/CAM unifinication is to solve process designing of products plan, CNC Machining efficient one of main avenues of high quality, the development direction that also is domain of application of current and mechanical engineering, the implementation of CAD/CAM unifinication is having important sense to raising the competitive actual strength of production enterprise and economic benefits. CNC Milling CNC Machining