1、机械设计过程外文文献翻译中英文翻译附录英 文Machine design process The machine is the organization with other components combinations,transforms，the transmission or using the energ，the strength or the movementexample for the beneficial use has the enginethe turbine wheel，the vehiclesthe hoist，the printer，the washer and t
2、he movie camera Many is suitable tbr themachine design principle and the strength law also is suitable to is not thegenuine machine finished productthe driven wheel hub and the file cabinet tothe measuring appl iance and the nuclear pressure vessel”Machine designt thisterminology compared to”machine
3、 design”more generalized，it includingmachine designBut regarding certain instruments1ike uses to determine hot，the mobile line and the volume thermal energy as well as the fluid aspectquestion needs alone to considerBut when machine design must consider themovement and the structure aspect question
4、as well as preserved and the sealstipulationIn the mechanical engineering domain and all that project domainapplication machine design，all need such as mechanism and so on the svdtch,cam，valve，vessel and mixer The design beginning tO being true or the imagination needThe existinginstrument possibly
5、needs in the durability，the efficiency，the weight，the speedor the cost performs to improvehe possible need new instrument tO completebefore made the function by the person1ike t was abundant Assembly ormaintenanceAfter the goal completely or partially determines，the design nextstep is the idea carl
6、complete needs the ffmction the organization and its thearrangement for this，the free hand drawing schematic diagram value isenormous，it not only takes a person idea the recording and the auxiliarymethodwhich if the other people discusses，moreover especially is suitable for with ownidea exchange，als
7、o needs to concern as the creative mentality stimulant to thepart widespread knowledge，because a new machine frequently by knew verywell each kind of components rearrange or the replace become，perhaps changedthe size and the materialRegardless of after idea process or，a designer callcarry on fast ei
8、ther the sketchy computation or the analysis determines thegeneral size and the feasibilityAfter about need or may use the spatial meteidea determination，may start according to the proportion picture schematicdiagram When several components approximate shapes and several sizes come out，the analysis
9、was allowed truly to startThe analysis goal lies in enable it to havesatisfying or the superior performance，as well as will seek the best proportionand the size under the smallest weight security and the durability and thecompetitive cost designer for each essential load bearing section，as well asse
10、veral components intensities balance then choice material and processingmethodThese important goals only have through only then may obtain basedon the mechanism analysis，like about reacting force and friction most superioruse principie of statics；About inertia，acceleration and energy principle ofdyn
11、amics：About stress and deflection material elasticity and intensity principle；About material physical behavior principle；About lubrication and water poweractuation hydromechanics principleThe analysis may identical engineer whicharranges by the idea machinery do，or makes the analysis in the big comp
12、any bythe independent analysis department or the research group the result，possibleneed new arrangement and new sizeNo matter is officially does or unofficialdoes，supposes Japan is relapse and the cooperation processthe analysis staffmay play the role to all stages but not merely is he stage. Some d
13、esign criteria In this part，some people suggested carries on the analysis using thecreative manner，this kind of analysis may cause the significant improvement aswell as to the spare product idea and the consummation，the product functionmoremore economical，is perhaps more durable The creation stage d
14、oes notneed is at first and the independent stageAlttlough the analysis staff possiblycertainlv is not responsible for the entire design，but he not meyely is can fromthe numeral proposc wants question correct answer which he soIVes，not merelyis Droduces the stress value，the size or the work limit. H
15、e may propose a morewidespread opinion，in order to improvement standard or plan. Because beforethe analysis or in the analysis process，he can familiar install and its the workingconditionhe is in an idea to prepare chooses the plan the rantage PoinlBest hecan propose the suggestion transfigure elimi
16、nates the moment of force or thestress concentration，but was not the permission constructs has the blg sectlonand the excessively many dynamic loads organization should better be hediscards his careful desi；n but is not afterwards saw the machinery discarded. In order to stimulate the creative thoug
17、ht，below suggested designs the personnel and the analysis staff uses the criterion. The first 6 criteria especially are suitable for the analysis staff,although he possibly involves to possesses this l o items. 1Creatively the use needs the physical performance and the control does not need 2Knows t
18、he practical load and its the importance. 3D00s not consider the function load in advance. 4Invents the more advantageous loading environment. 5Provides the minimurn weight the most advantageous stress distribution and the rigidity 6uses the fundamental equation computation proportion and causes the
19、 size optimization 7The selection material obtains the perlbrmance combination 8In between spare parts and integrated components carefid choice 9Revisions functional design adapts the production process and reduces thecost 10In the consideration assembly causes the part pintpointing and mutuallydoes
20、 not disturb Designs the personnel to have in such domain，like the statics，theinematics，dynamics and the materials mechanics have the goodaccomplishment，in additionbut also must familiar make the material and themanufacture craftDesigns the personnel to have to be able to combine allcollrelations th
21、e fact，carries on teaches Weithe manufacture schematic diagramand the charting comes the manufacture request totransmit the workshop Any product design one of first step of work is the choice uses in to makeeach part the materialToday design personnel may obtain innumerablyWhenchoice，the product fun
22、ction，the outward appearance，the material cost and theproduction cost very are all importantBefore any computation must carefullyappraise the material the performanceIt is the necessary careful computation toguarantee the design the validity The computation ever does not appear on thechart，but is sa
23、ved by ten each kind of reasonOnce any part expires，had makeclear when is designing at first this had the flaw the components has made any；Moreover，。from was allowed to obtain all experience document to the pastproject computation inWhen needs to be similar when design，the past recordcould have the
24、enormous help When in the chart has not assigned the accurate size，the majorityorganization all has is suitable for the size general common differenceRegarding the finishing sizethe general common difference possibly is士O5 themillimeterTherefore，is assigned is 15.0 millimeters sizes scopes may be l4
25、.5millimeters to 15.5 millimeters betweenOther general common differencesmaybe suitable for like the angle，the drill hole and jetting，the casting，the forging，the welded joint and weld situation and so on angleWhen gives componentsassigns the common difference，may refer to before chart or general pro
26、jectpracticeThe typical common difference is assigned for martiallooking tobecome the scope which the JSO standard definesAssigns the commondifference regarding，for instance H7s6，regarding the components size whichstudies is having a group tO be possible to use with the graph correspondencevalueUnde
27、r this section will produce about installs aperture in axis or thecylindrical coordinate concrete example The preliminary design produces satisfiedly assigns the demand thesolutionThe preliminary design may represent the composition overall systemall subsystems and the spare part sum totalIon and Sm
28、ith for by a series ofform the preliminary design description a relapse process which is composedwith the appraisal stage，various stages gather the solution which forms in thesame placeIn the repeatedly each stage，the idea is more detailed，may a morecomprehensive appraisal After has had the idea and
29、 the ideanext steP is carries on the appraisal andthe choice best idea l appraisal method to them is the use tabulates the matrixThe matrix is composedthe idea by a series of criteria to have to draw supportfrom them to hit the minuteIf is appropriate，the criterion importance may theweightin9，the mo
30、st suitable idea be able to have the maximum total scoreThismethod provided organizations appraisal technologyindividual which moreover caused in the team to be very difficult to carry out they unreasonableidea Has had the preliminary solution，next step expresses them，in order to theycan with all in
31、volve the system design process the person exchanges in fact，thisstep may use the plan schematic diagram or the threedimensional model tbrm，also but the physical model also but the computer produces modelAftercompletes to the general diagram oneself and carries on calculates determinedwhen solution
32、regarding product design standard compatibility，the detailingstage foundation has established中文机械设计过程机器是机构与其他零件的组合，为了有益的用途而转换、传递或利用能量、力、或者运动实例有发动机、涡轮、车辆、卷扬机、印刷机、洗衣机和电影摄影机。许多适用于机器设计的原理和力法也适用于不是真正机器的制成品，从轮毂盖和档案橱柜到仪表和核压力容器。“机械设计”这一术语比“机器设计”更为广义，它包括机器设计。而对于某些仪器，如果以确定热、流动线路和体积的热力以及流体方面的问题要单独考虑。但是，在机械设计是要考虑运动和结构方面的问题以及保存
