Be based on the research that the data set of new products plan of PDM knits

"Summary " the research that the article carries processes of pair of new products plan and data organization characteristic, put forward a kind of data set that is based on Pdm to knit strategy. Because process of new products plan is medium, trends of model of requirement product information answers an user to be revised dynamicly demand, often, repeatedly backdate, and the characteristic such as the diversity of product data, complexity and magnanimity, decided new product develops peculiar data set to knit a form. Accordingly, the model of neuter tree product that offerred a kind to be based on configuration regulation runs strategy, describe product structure tree in the round, use Pdm to unite the products plan message that runs each level, support the design of new product effectively. "Keyword " new products plan, product data manages, trends is answered, trends is revised, relapse what backdate competes as the market is intense with each passing day, the accident of time of products introducing to the market already became dominant position of decision industry competition even enterprise whether existent main factor. How to shorten of new product appear on the market time (Time To Market) , the design pace that quickens new product is the problem that the enterprise must be faced and solves. New products plan is process of thinking of a creativity, the basics that supports this one process is good data organization form. At present design personnel must cost much energy to consult relevant data, revise to designing the inquiry of each phase information to reach especially, was to waste valuable time more, cause an architect to cannot be centered in the creativity thinking of the design quite thereby. Design the creativity of personnel for sufficient play, put forward relevant design data to organize strategy, have very important sense. Current, in domestic and international main document, more is the design method that discusses new product, organize formal research to still do not see more in the light of data of new products plan directly, but all sorts of implementation foundations that devise a method have corresponding data set to knit strategy. Document [1, 2] had the research of notional design, in emphasizing how be being designed in the concept, carry out reach trends to answer user demand; Document [the means that 3] offers to be decomposed automatically through the function combines basic orgnaization in order to produce new orgnaization, implementation trends changes the design of basic structure. Integrated the design characteristic of all sorts of methods, we study and induce a data organization that supports new products plan is politic, build the data information model of new products plan, support the design process of new product. The design characteristic of 1 new product and its design process 1.

The management of the data of characteristic new products plan of 1 new products plan is different from the data government that already had a product, it suits with the design characteristic photograph of new product, main characteristic is as follows: 1.

The uncertainty of user demand. In products plan at the beginning of, according to the requirement that the user raises, fixed the technical system of the product, but the ambiguous sex of the demand as a result of the user, cause the uncertainty of product technology system, only the progressively development as the design just can be made clear gradually, meantime raises new requirement likely still, accordingly, the design process of new product is the process that a trends answers user demand, the design number of new product should support progressively and this kind of successive, clear demand to change according to managing a form. 2.

Product structure cultivates the dynamic sex of generation. Because the numerous inaccuracy in process of new products plan decides the effect of the element, as the design refine, can cause the adjustment of corresponding product structure tree, accordingly, corresponding data set knits strategy to should support the trends that product structure cultivates to revise. 3.

The repeatability of process of new products plan. Process of new products plan also is a kind of successive actually, by thick design a process to fine Top-down style, the under certain condition is former improper some discards the design may need to reconsider, return former design position to continue to begin the work afresh, so, the design data of new product manages strategy to should support the backdate in products plan or relapsing function quite. 4.

The complexity of the data in products plan. Because be in process of new products plan, need the support of the data such as new technology, new material, patent, and designing the data with the much generation in the process, forms for reporting statistics, blueprint wait. These data types are diversiform and complex, and need undertake administrative effectively to these data, back these pair of data build, revise, the operation such as inquiry. <DIV> 1.

The design of new product of process of 2 new products plan is the process of a from above to below. This process is the process that one is carried out and trends answers user demand, also be at the same time one alters the course that produces product structure tree through trends. Additional, the repeatability of products plan process, to digitlizing product model, belong to the modification of product structure tree. At the beginning of designing, the user raises certain requirement, it is a foundation with this, the user undertakes corresponding function is decomposed, undertake all sorts of analysises of the product and detailed design next. Meantime because the affects meeting occurrence design iteration of the change of user demand or element of a few designs, this kind revises be trends. Finally, produce corresponding product structure tree according to user demand and configuration regulation likewise. Signal of process of new products plan is shown 1 times like the graph. Data set of </DIV> 2 new products plan knits strategy 2.

The 1 data set that is aimed at user demand uncertainty knits strategy to be in the whole design process of new product, the demand of the user is constant change, to support the response of pair of user demand, the data of neuter tree product that offers a kind to be based on configuration regulation runs strategy. In the flow of new products plan, unite the products plan message that runs each level in the round, through product structure all sorts of news the tree has comprehensive government, tree of this kind of structure should describe the administrative levels of the product to concern in the round quite, assemble the complete correlation between body, component, spare parts namely, to the new product of seriation, the product structure that should describe whole set in the round quite is cultivated, for this, offer a kind of neutral to cultivate a mechanism to satisfy this kind of requirement, the its most complete whole structure that described design product is cultivated. The data organization that neuter product structure cultivates is to use each node to express each child assemble body, part, or spare parts, relevant data is put together along with each node, build the product information tree that is matrix with product structure tree finally. According to tree of information of structure of this kind of product, according to the requirement of the user and certain configuration regulation, the choice is assembled corresponding 0, component, form corresponding product structure tree, can undertake corresponding operation design process other phase in order to arise to tree of this product structure (be like, make, assemble etc) wants information. The signal model that with tree of neuter product structure and corresponding configuration the mechanism builds is shown 2 times like the graph. By can see in the graph, the demand of the user in new products plan undertook reflecting through corresponding configuration regulation. When building neuter product structure to cultivate, can build those who get used to new products plan but crossing-over reach refill-unit, all sorts of demand with mature potential user, the suitable scope that expands builds neuter product structure is cultivated, configure regulation through what appoint, produce corresponding product structure tree. <DIV> 2.

The trends of 2 products data organizes structure of politic new product to cultivate is the process that a trends fashions, if increase a node, cancel,meantime should make many modification a node or make to certain node local revise, and these corresponding modification can are opposite necessarily part of other of product structure tree is affected somewhat, the data set that for this we offer knits strategy to provide environment of a support for new products plan namely, support corresponding trends to revise the self-correcting that reachs its to affect a part, reflect the architect's intent adequately. Product structure tree is a develop that has hierarchy attacks appearance, jump over the structure that toward ground floor each node place represents simpler, the likelihood represents certain part merely, manage together, what superstratum place represents often is each stature assembles system, its take to assemble a structure oneself, can deliver downward to its modification influence arrive even other structure. Be aimed at this kind of circumstance, include to each in product structure tree at superstructure child assemble body or part, the function of pressing with a finger that use Pdm system provides, also be to say namely, the arrangement that product structure upholds concerns, beyond node of dig up the roots, it is to pass a kind to be opposite corresponding self-existent the adduction of the component in the database, there is 0 only in the database, the example of a memory of the component, to this example or the modification meeting linkage that its cite modification product structure cultivates all medium is opposite this component is had cite the structure of the relation, this kind of linkage revised huge to safeguard the real time that product structure cultivates to update, ensured product structure to cultivate the complete, oneness of relevant data. If the graph is shown 3 times,the data set that uses this kind of strategy knits a form. </DIV> is in graph 3 in, the principle that establishs product structure tree is " cite " . When if be in those who need to build some component to cite,concerning, its are still nonexistent, answer to found this component first, repass cites the relation uses this component. Organize for this need corresponding child assemble body, part, with convenient inquiry. Can adopt build child the method that assembles folder, spare parts folder. <DIV> 2.

The organization of backdate of data of 3 support products plan is politic because the design of new product is,one relapses and the process of backdate, the design process of the product is a process that exploring to advance, the design in the past should undertake withholding quite, because some kind of reason needs to return the requirement of deserted in the past design,satisfy in order to go to the lavatory. The organization that has backdate of data of products plan of two kinds of support is politic. The extend the meaning that is strategy of organization of dynamic product data is used. What dynamic product modification strategy uses is to cite principle, if want to discard some is designed, should cut off only cite accordingly relation can, the example of this design still is saved in the database, when like the under certain circumstance new need uses this design, should build afresh only cite relation can. 2 it is to use the version management function that Pdm software provides to come true, the component that be aimed at some purpose and designs, because some kind of reason needs to abandon or the likelihood needs to weigh overhaul to change, can use version management function, the adduction that product structure cultivates concerns to was not cut off, just used have cite another version of the component of the relation, if need, can mention deserted version working condition, also realized the backdate of products plan data namely. Version function can come true not only 0, the reply of component whole or backdate, return the version administration that can achieve relevant documentation, huge of this kind of means supported the data backdate demand of whole design process. If the signal with politic organization of design data backdate pursues 4 are shown. </DIV> 2.

New product development involves the 4 constituent strategy that are aimed at design data complexity much information, some are all sorts of data-base that support new product development, some are all sorts of documentation of the generation in products plan process, all formats of these information are very complex. The organization of complex to this kind different compose message is politic, use product data to manage Pdm (Product Data Management) the technology will undertake. Pdm is a technique of burgeoning product data management, it provided a kind of platform or framework in order to manage the mechanism of the data of all sorts of formats, data, and it still has a few tools that undertake data is organized, reach the configuration management on certain level like version management, flow management, for the requirement of complete implementation user, can use the function of system of Itk interface augment that the system provides. Be based on above element, all sorts of materials that take Pdm software to manage supportive new product to develop and product develop all sorts of documentation of the generation in the process. The research that the faces company level Iman that produces with American Eds company has product data manages as working platform and carry out. The particular function of Iman system and usage, detailed sees relevant document [3, 4] . The organization of information of 3 summary product is a complex process, but the plan that constituent stand or fall is affecting a product to develop directly and quality. The article combines the practical experience that he has product data manages, the data set that elaborated new product development knits formal characteristic, put forward corresponding organization strategy and executive plan, ultimate goal is data of validder constituent new products plan, support the development of new product, all sorts of adoption data set that are based on Pdm knit strategy, it is to use the Pdm effective government to all sorts of format data, 2 it is a few functions that use a system to offer. But because the system is,one kind commercializes software, be not is to be aimed at new product data set to knit software, the user must optimize the function that uses systematic itself to offer to reach undertake corresponding 2 development ability satisfies a requirement. All sorts of data organizations are carried out politicly is mutual across cites and rather than is isolated use, be built through trends and revise model of information of product structure dendriform, support the whole process that new product develops. CNC Milling