翻譯譯文(論文譯文)

1、the modern design method of the project of machineryproduct and develop trendabstract:accordi ng to the desig n of main thin king characteristics that the scholar carries on a hour of design of machinery product at home and abroad currently, generalize the design method of product project for system

2、atize, structure modularization, is four type types according to the knowledge and intelligenee of the product characteristic. point out the characteristics of four kinds of methods and it is mutually the orga nic con tact of, put forward the design calculator of the product project the dilige nt di

3、 recti on of the realizatio n.prefacethe scienee technically flies to soon develop, the product function request of increase day by day, complexity in crease, the life period shorte n and renew to change a speed to speed. however, the design of product, particularly the design way of the project of

4、machinery product, then seem to be to lack the ability to do, can not keep up with the demand that the ages develop. currently, calculator assistance product of design drafting, design calculation, process production, produce the programming have already more and extensively got with thorough of res

5、earch, and beginning see result, but the product develop the computer aided design, cad of early project but far far in capability satisfy the demand of design. for this, in reading a great deal of foundation of cultural heritage, the author generalized to tally up domestic and international design

6、scholar to carry on project design adoption of method, and discussed of various method of organic con tact and machi nery product project desig n calculator realizati on of develop trend.according to design scholar to carry on the main characteristic of method that the project design of the machiner

7、y product use at home and abroad currently, can generalize the modern design method of project to say four greatest types for the bottom.1, systematize a design methodthe main characteristics which systematizes a design method is:see the design as a system which constitutes to°from some design

8、main factors, each design main factor has independenee, each main factor exists organic contact, and have layer, all design main factor combination after, then realization design the finished mission that system need.systematize design thought in 70's a professor to put forward from german schol

9、ar pahl and beitz, they take system theory as foundation, established the general mode of design and initiating design operate should have logical arrangement. the german engineer association establishes a standard vdi2221"technique system and the development of the product design a method* on

10、the foundation of this design thought.the progress mode of the project design of the machinery product of establishment, basically follow used the design method of german standard vdi2221 .in addition, our country many design scholars still draw lessons from and quoted from while carrying on a produ

11、ct project design other progress nation of systematize design thought, among them what to have a representative be:customer's need be product function the characteristic conceive outline, structure design and parts design, craft programming, operation control etc. of foundation, develop from the

12、 product of the macroscopic process set out, make use of the decoration method of the mass function, systematically customer need informatio n reasonable but availably con vert into tech nique target and operation that product develops each step to control the method of regulations.see the product a

13、s the life system on the organism layer, and ask for help from a life system theory, divide the line the design process of product function request layer, carry out the con cept layer of the function request and the con crete design layer of the product. adopted the sign abstract earth's surface

14、 of the life system diagram to reach the function request of product in the meantime, the function system of the formation product structure.because each designer research question of lay particular emphasis on of angle and consideration question spot dissimilarity, progress project design thehour a

15、dopt of concrete research the method also exist differenee. the underneath's introduction is some have a representative of systematize a design method.design element methodafter five design element used five design element(the function, effect, effect carry body, shape element and apparent param

16、eter) a description "product solution”， thought a product be worth assuranee, all characteristics and characteristic of product be worth namely have already make sure. the our country also had design the scholar to adopt a similar method description the principle solution of the product.sketch

17、modeling method"design analysis and leading system" kaleit of develop, use layer know of the sketch description produce an article of function structure and it related abstract information, the sketch which carries out system structure, function a re i at i on turns a modeling, and of fun

18、ction lamella of allied conn ect.divide the line design assistanee method and information interchange 2, make use of the analysis method of the abstract information can adopt sketch sign, have the language righteousness pattern structure of contents abundance, can describe integration condition, can

19、 divide the line stipulation type and can carry out an arbitrarily combine of the relation etc. characteristics, solve design method and information technique progress an integration, carried out design process the information relate to in the different and abstract lamella of the sketch turn a mode

20、ling.1.3'*conceive outline”design” methodbe divided into the project design of product "conceive outline” and ”design” two steps the mission which "conceives outline" step is look for, choice and assembly satisfy the design missi on request of prin ciple soluti on ."desig n”

21、the operate of step then concretely carries out a principle solution of conceive outlinethe step."con ceive outli ne" the project's con crete descripti on is: accordi ng to the suitable function structure, look for to satisfy the principle solution that the design mission request. then

22、 the cent function in the function structure from "structure element” realization, and the physics of ''structure element" allied connect definition for "the functio n carry body", the in teraction of "the function carry body" and "structure element" a

23、gain became function sketch map.(machinery running diagram)hdesign” of project settles sex ground first to describe all ”the function carry body" and "structure element" according to the function sketch map, then meteredly describe all "structure element” with allied cormect a pi

24、ece("the function carry body'*) of shapes and place, get structure sketch map. roper, h. make use of graph theory, ask for help from ”total design unit(ge)", "structure element(ke)", "function structure element(fke)”, ''allied connect structure element(vke)”, &qu

25、ot;structure parts(kt)", ''structure element parts(ket)" which is define by him etc. concept, and describe some diagrams of the correlation of structure element size, place and transmissi on parameter, desig n expert with in tuition design of the method made formal of description,

26、become availably applied the method of existing knowledge, and will it applied in ”conceive outline" and hdesign" step.the standpoint learned from the design method set out, will explicit design mission post - of design the operate is divided into 3:1) obtain function and function structur

27、e;(the brief name is "function")2) look for an effect;(the brief name is ”effect”)3) look for structure.(the brief name is "gou shape rule")counteract next say four kinds of workflows that the machinery product of strategy description conceive outline step: strategy 1:consider &q

28、uot;function”，"effect* with shape rule" respectively. therefore can establish to change a type project respectively in each job step, thus produce an extensive principle solution a table. strategy 2/'effect" considers function alone with shape rule"(include the rule that the

29、designer establish) connecti on .(usually with desig n the mission be related)recognize typical gou shape rule and the effect that it belong to need to there is experienee of abundanee at this time, the output project composes farand far little in the strategy be one project table. strategy 3 "

30、function”，“effect", "gou shape rule" threes be closely related. be applicable to the realm which has no choice, has a special request of function, effect and the gou shape rule, like super and small scaled machinery, especially large machinery, worth high function parts, and have spec

31、ial function to request of zero assembly unit, subassembly etc.strategy 4:aim at the design requests that carrying on structure turns to solve. that strategy from have already have of the parts set out, pass a parts a different row preface and connect, acquisition expectation function.2, the structu

32、re modularization design a methodput forward from the angle of programming product definition design mission with the function turn of product structure for foundation, quote from have already have of product solution(if in general use parts assembly unit, subassembly etc.) description design missio

33、n, then resolution mission consider each cent mission whether existence to in response to of product solution, so, can in the product the programming the step the cancellation the design the mission may existent antinomy, the adjustable for predicting production ability, expenses in early days, and

34、developping design to plan in the process, thus raise reliability of design the efficie ncy and design, also lower the cost of new product in the mean time. the feldman desig ns a description the functio n of mission to turn product structure to is divided into 4 f,(1) product (2)function compositio

35、n (3)main function module (4)function component. combine the adoption faces to applied structure to turn characteristic catalogue and carry on to the function component more concretely to settle sex and metered description. the tool software developped suitable for product a development to use with

36、design in the early years in early days in the meantime strat.think most functions in the appropriation machinery's can adopt has already have of product solution, but have the appropriation function of new solution to be just minority, therefore adopt the product structure that the function tur

37、n in the appropriation machine design, for evaluation appropriation machinery of design, production the breeze insurance be very beneficial.taking design as the catalogue is the tool which chooses variation machinery structure and put forward the solution element of the design progress integrity of,

38、 the structure turn of arrange in order, become a solution to gather design catalogue. also list an additional information of comment on each solution in the solution gather the design catalogue, be very advantageous to designing the engineer choice solution elementaccording to machinery zero assemb

39、ly unit, subassembly of allied connect a characteristic, induce it four type types: 1)comporient direct fixed position, and have to have a self-regulating assembly unit, subassembly;2) have a totally sexual assembly piece on the structure;3)have the nesting mode structure and nesti ng mode comp orie

40、nt of allied conn ect;4)have modularizatio n structure and modularization component of allied connect. also adopt quasi- sign to mean typical model compone nt and the con junction rule of comp orient, carry out a component from here allied the calculate way connect turn with concept of can see to tu

41、rn.use "function establishment" mold mass to resolve the function progress in the project design carry on mechanical system, and rule that the best shot turn" degree of functional decomposition is 11 rightnesses of function and mechanism pattern in response to the "structure esta

42、blishment” mold mass then is the choice object of function solution in order to reflect to shoot calculate way at the realizatio n.3, according to the design method of product characteristic knowledgeaccording to the main characteristics of the knowledge design of the product characteristic method.

43、use characteristic of the product of the language description and the knowledge and experience of the its design realm expert that the calculator can identify, build up homologous knowledge base , kb and inferenee engine, make use of again already saving of domain knowledge and build up of reason lo

44、gically machining to carry out a calculator assistanee the project of the product design.the project of the mechanical system design mainly is according to theproduct have of characteristic, and design knowledge and experienee of realm expert to carry on push quality and make policy, completion mech

45、anism of type, number comprehensive. the desire carries out the computer aided design, cad of this step, have to study automatically obtain, express, in teg rate, moderati ng of the knowledge, management and usage. for this, the domestic and international design scholar to the automation disposal of

46、 the design knowledge of the mechanical system project made a great deal of research operate, adoption of the method can induce to say a few kinds for the bottom.3.1 code a methodcarry on mechanism a classification according to running conversion” function(brief name function dollar), and make use o

47、f the code description function dollar and mechanism category, thus start to build up "mechanism system project design expert system, es" knowledge base , kb. reason logically 2 dollars logic on this foundation with misty comprehensive adjudicate principle to combine together, built up tha

48、t reason logically expert system, es" machining, counteract in the project design of four work potential appropriation engine beds.3.2 hybrid types of knowledge express a methodaim at the project design of complicated mechanical system, adopt each kind of knowledge within the description design

49、 of the knowledge representation method of mix the type in order to suit, this spot has already get our country many consensuses which design scholar.mean knowledge such as rule, framework, process and neural network etc. in develop the complicated design intelligent decision support system, idss of

50、 the product project the dmdss method orga nically the combinatio n together desig ns by orientation in the description of different type knowledge. various single knowledge representation methods(rule, framework and process), press the plait distanee of face to the object principle, the tank which

51、uses a framework means the attribute of object, use the dynamic state characteristic that the rule means object, use the disposal that the process means knowledge, constitute a kind ofknowledge representation pattern which mixes type, and successfully develop "face to the number of object to co

52、ntrol plano miller speed change a box the intelligent system gbcdis of the project design* and speed change box structure design expert system, es gbsdes".3.3 make use of according to the development tool of knowledgemaking use of according to the nexpert-object of the development tool of knowl

53、edge in the cad system of coupling, asking for help from a method of face to the object, establishing to face to the data base, db of design method of object was project design and structure design that the designer carries on a coupling to provide an extensive and dependable design method a table.

54、then make use of the straight line guide rail of the nexpert description to design medium dema nd according to kno wledge progress desig n of conte nts, look for from here according to the solution of knowledge, and develop the design expert system, es of a straight line guide rail.3.4 design catalo

55、gue methodconstructed ”function mold mass", "function dollar solution'* x-rated with mechanism set" pass to design catalogue into the type, and is x-rated this to pass to design catalogue into the type be the assistanee tool of knowledge base , kb and development design that the p

56、roject intelligenee of the mechanical drive principledesigns system.4, the intelligence turn a design methodthe intelligence turns the main characteristics of design method .according to design method academic theories theory, ask for help from 3d sketch software, intelligence to turn the design sof

57、tware and virtual realistic technique, and multimedia, super medium tool progress product of development design, expression conceive outline of product, description product of structure.considered at the time of making use of a mathematics system theory the system engineering theory, technique and s

58、ystem of the product design developsa method to learn vdi2221 and develop suitable for product the design used in the early years of multimedia development system software muse.use the sigraph-design of the intelligence type cad system as to develop platen, is divided into the development process of

59、 product concept design and assemble design and parts to design, and with variable design technique for foundation, built up the concept pattern of the offset lithograph machine cam link mechanism. the research operate introduced from the cultural heritage see, its concept pattern was in the assuran

60、ee mechanism type, count comprehensive foundation up, ask for help from the variable design that the software sigraph-design provide function, make the schematic diagram change but change along with the structure parameter of mechanism, and deliver the parameter of concept pattern to the bottom first-degree assemble pattern, parts desig n.5, each kind of comment of design method and develop trendabove all, systematize the design method will design mission to arrive from the abstraction to concretely(from design o