The CAPP project that faces a product changes research and quality to assure
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- source:SHNMIN CNC Machining
The CAPP application aim that 1CAPPS implements a characteristic to face a product is the computerization that craft of product of comprehensive implementation company is designed and manages and informatization, from technical development and application executive angle looks, face product CAPP to show following characteristics: 1. The enterprise carries out CAPP to be different from implementation CAD/CAM. After the enterprise is buying CAD/CAM system, to project technology personnel makes after grooming, can be used; The application such as the basic framework that CAPP commercial system can provide definition of product technical data, organization, management for the enterprise only and management of CAPP knowledge base supports tool and development tool. Wait for the craft information model with real company only build on this frame, join a company actual condition, development gives the company that has rich content special knowledge base, ability produces the effect of CAPP effectively. 2. The different technology branch that faces the CAPP application of the product to involve a company (if integrated, machine is added, assemble, Ban gold punch, solder wait for all craft branch) reach mutiple level (if manage layer, workshop layer, unit layer) , different stage of production (like trial-produce phase, build the CAPP of fast, advance gradually that can form CAPP application quickly and can go up to undertake augment is perfected ceaselessly in wide application foundation to use executive service system, it is to satisfy an enterprise to be mixed to the wide application of CAPP what to product craft information shares demand is important assure. 3. The CAPP application that faces a product is the computerization that craft of implementation company product is designed and manages and informatization not just, its science that carries out the standardization that is sure to promote industry technology and craft management successfully is changed, standardization, improve the quality of the product thereby, shorten new product development cycle, reduce product cost. Accordingly, need enterprise is in charge of to various craft branch from division of chief engineer, total technology, take the applied management of CAPP seriously adequately. 1.
2CAPPS carries out evaluation AliK.
Kamrani from CAPP function and performance side, raised a few standard to choose and evaluating system of a CAPP, product of draw together of functional square biscuit supports (gold of swing tower, blame swing tower, Ban) , classification and encode ability (GT technology) , graphical processing capability, job dictates found with safeguard, parameter of ability of analysis of technology design method, time, treatment, material and tool, demand of system of draw together of function square biscuit (the hard software, interface, augment in the future and user define a function oneself) , the value is reasonable, commercial already and user interface attestation of qualification of friendly, bargainor and support. Look from the function, different company has diverse demand, give out very hard to be defined in detail; But look from function, can have collective criterion for evaluation. The CAPP that is aimed at an enterprise uses demand and development, can carry out to CAPP from the following respects undertake evaluating. 1. Commercial rate system moves stable and reliable, user interface friendly, operation is convenient, long-term specialization the important magnanimity index that technical support and service is degree of software system commercialization. 2. Drive of technology of and rather than of drive of benefit of executive benefit evaluation is CAPP what carry out successfully is important assure. The executive beneficial result that faces product CAPP can make an on-the-spot investigation from the following respects. (1) the application of CAPP should from convenient change, intelligence is changed wait for a respect, the repeatability with the trival technologist in reducing craft of individual spare parts to design works, improve technologist work efficiency. The very major benefit that computer support system uses should reflect what designing to change on, the technology with rise good to the design is convenient, quick change efficiency, should be the serious side that reflects CAPP application beneficial result. (2) the craft information that the application of CAPP should realize an enterprise to face a product is compositive with share, the whole process that develops from whole product will decrease reduce the technical personnel is trival repeatability job related technologist and other. The member that carry senior engineer actor on one hand and other are relevant the work efficiency of technical personnel; On the other hand, avoid a person to be all sorts of errors that cause, assure the consistency of technical data. (3) the standardization that the application of CAPP should promote craft to design and standardization, raise craft to design quality. 3. Of the system but expanding the rise and produces administrative pattern change as craft level, model of product craft information reachs his exterior expression form, craft designs knowledge to wait to produce change possibly. CAPP system should get used to the variation that uses an environment very well, specific will tell, protect an user in utmost namely already on the foundation of some application resource, fast and convenient, contented new applied requirement, this is the postulate that CAPP can apply ceaselessly. For example, after the standard of craft card format of the enterprise is changed, whether design technologist formerly good product technology to be changed conveniently. In addition, whether allow what the user has a function to be defined oneself, offer convenient data set to wait into commutative interface, also be the fundamental condition that CAPP can use ceaselessly. 4. Executive economy wait for a respect from the requirement of hard, software of moving environment, executive rate, want to join the real case of the enterprise, consider seriously from economy respect. 1.
3CAPPS carries out main content and measure CAPPS establish flow of the basic frame of CAPP application system, main job and basic function, provide tool of corresponding application development, already realized commercialization. CAPPS is carried out can divide for business demand analysis and sign user of contract, CAPPS to change with CAPPS2 second development 3 large stage. 1. Business demand analysis and the applied demand that sign a contract to design the current situation and CAPP to the craft of the enterprise undertake an analysis, affirmatory CAPP implements an aim, collect relevant craft data, sign contract of CAPP application development. 2. CAPPS user changes CAPPS to the user is changed even if be aimed at an enterprise actual condition, undertake basic client is changed custom-built, build the mainest business system of CAPP of special and seesaw pattern. The content that CAPPS user changes and move are as follows: 1) industry technology analysis and information build modular CAPP user to change the product technology that wants pair of companies above all to undertake relatively comprehensive analysis, on this foundation, build the CAPP information model that faces a product 2) CAPPS application system is initial build CAPPS application the system is initial built main content includes CAPP knowledge base found, of the put in storage of model of CAPP target information, CAPP database found, the custom-built, system of craft card format is initial. 3) initial application CAPPS uses CAPPS application system the main content that preliminary applying includes the system systematic setup, application grooms, try move, perfect etc. The user that passes CAPPS is changed, computerization of CAPP of OK and preliminary implementation mixes the enterprise informatization. On this foundation, can undertake 2 times developing, deepen the application of CAPP. 3. CAPPS2 second development 1) the enterprise is special of the knowledge base build object of the manufacturing environment that is aimed at specific company, production and craft to design experience and habit, build a business special knowledge base, improve the work efficiency of technologist thereby, improve the consistency that craft designs and quality. 2) the requirement that in be aimed at user application with the development of functional module only, raises, develop appropriative function module, improve the applied efficiency of CAPP further. 3) the compositive interface program of the system such as the development development of compositive interface program and CAD, MRPII, PDM, the whole process that realizes planned dispatching of design of CIMS and products plan, technology, production is compositive. Form the integral benefit that company computer uses CNC Milling CNC Machining