工业工程专业英语chapter3manufacturingsystem课件.ppt

1、Chapter 3 Manufacturing SystemsUnit 1 Introduction to Manufacturing SystemsUnit 2 Advanced Manufacturing SystemsUnit 3 Manufacturing Support Systemso 计划学时：计划学时：4学时学时o 教学内容：教学内容：n 3学时，精读，逐句翻译，掌握专业词汇学时，精读，逐句翻译，掌握专业词汇o Unit 1 Introduction to Manufacturing Systemsn 1学时，泛读，了解文章大意，掌握专业词汇，翻学时，泛读，了解文章大意，掌握专

2、业词汇，翻译重点语句译重点语句o Unit 2 Advanced Manufacturing Systemso Unit 3 Manufacturing Support Systemso教学要求：教学要求：n了解制造系统的含义，制造系统的各个组成部分了解制造系统的含义，制造系统的各个组成部分n掌握几种典型的制造系统集成组技术、柔性制造系统、敏捷制造掌握几种典型的制造系统集成组技术、柔性制造系统、敏捷制造等先进制造系统各自应用范围及特点。等先进制造系统各自应用范围及特点。n了解了解CAD，CAM，CAPP等辅助制造系统在各种制造系统中的等辅助制造系统在各种制造系统中的应用。应用。o本章共两次作业

3、（作业本章共两次作业（作业5，作业，作业6）本章专业词汇oconveyor：输送机：输送机ohoist：起重机：起重机oparts feeder：送料器：送料器ocoil feeder：卷料进料器：卷料进料器ostamp：冲压：冲压oautomatic pallet changer：自动托盘转换装置：自动托盘转换装置oergonomically：工效学地：工效学地ojob shop production：车间任务型生产：车间任务型生产obatch production：批量生产：批量生产oidentical:相同的相同的ogroup technology：成组技术：成组技术oflexible

4、manufacturing system：柔性制造系统：柔性制造系统oportray：描绘：描绘ocoordination：协调：协调oCNC machine tools：计算机数控机床：计算机数控机床ocomputerized numerical controlomalfunction：故障：故障oresharpen：重磨：重磨oparameter:参数参数ogeometry：几何形状：几何形状ocylindrical:圆柱的圆柱的oprismatic：棱柱的：棱柱的orectangular：矩形的：矩形的ocube：立方体：立方体oscheme：计划、设计：计划、设计owork-in-pr

5、ocess：在制品：在制品osophisticated：复杂的、世故的：复杂的、世故的 oexaggeration：夸张：夸张oprofound：深刻的：深刻的oinfrastructure：基础设施：基础设施oirrespective：不考虑的：不考虑的ounimpeded:无障碍的无障碍的 oautomation:自动化自动化omaterial handling：物料搬运：物料搬运osynthesize：综合：综合ointegrated equipment：集成设备：集成设备 oraw material：原材料：原材料opositioning device：定位装置：定位装置osemi-a

6、utomatic：半自动化：半自动化ofull automated：全自动化：全自动化 ofamily：簇：簇 oproduction line:生产线生产线ofixture：固定设备、夹具：固定设备、夹具ohardware：硬件：硬件omachine tool：机床：机床olathe：车床：车床omilling machine：铣床：铣床odrill press：钻床：钻床oworkstation：工作站：工作站oportable powered tool：便携式电动工具：便携式电动工具oassembly line：装配线：装配线omachine cell：机器单元：机器单元odiscret

7、e：离散的：离散的oancillary：辅助的、附属的：辅助的、附属的owork unit：工件：工件omechanized：机械化的：机械化的opallet：托盘：托盘otote bin：搬运箱：搬运箱ovicinity：邻近：邻近oworkhead：工作台、机台：工作台、机台oworkholder：工件夹具：工件夹具oorient：定向：定向oclamp:夹住夹住ochuck：卡盘：卡盘Unit 1 Introduction to Manufacturing Systemso The Definition of Manufacturing System o Components of Ma

8、nufacturing System o Classifications of Manufacturing Systems Definition of Manufacturing System o We define a manufacturing system to be a collection of integrated equipment and human resources,whose function is to perform one or more processing and/or assembly operations on a starting raw material

9、,part,or set of parts.Definition of Manufacturing System o The integrated equipment includes production machines and tools,material handling and work positioning devices,and computer systems.o Human resources are required either full time or periodically to keep the system running.Components of a Ma

10、nufacturing Systemo Production machineso Material transport Systemso Computer Control Systemo Human ResourcesProduction machineso Manually operated production machineso Semi-automated production machineso Fully automated production machinesMaterial transport Systemo Three functions:(1)Loading-involv

11、es moving the work units into the production machine or processing equipment from a source inside the station.(2)Positioning-provides for the part to be in a known location and orientation relative to the workhead or tooling that performs the operation.Material transport System(3)Unloading-When the

12、production operation has been completed,the work unit must be unloaded,that is,removed from the production machine and either placed in a container at the workstation or prepared for transport to the next workstation in the processing sequence.Computer Control SystemoCommunicate instructions to work

13、ersoDownload part programs to computer-controlled machines oMaterial handling system controloSchedule productionoFailure diagnosisoSafety monitoringoQuality controloOperations managementHuman ResourcesoHuman perform some or all of the value-added work that is accomplished on the parts or products.Cl

14、assification of Manufacturing Systemo Type 1:Single Stationso Type 2:Multi-Station Cells o Type 3:Production Lines作业5：1.重点语句翻译（把下列语句翻译成中文）We define a manufacturing system to be a collection of integrated equipment and human resources,whose function is to perform one or more processing and/or assembl

15、y operations on a starting raw material,part,or set of parts.Three of the most important of these are widespread and inexpensive transportation systems,communication systems that provide real-time interaction between people in almost any part of the world,and computers that assist in the design,cont

16、rol,and analysis of complex activities.作业5：2.课外翻译（把下列语句翻译成中文）Flexible manufacturing systems(FMS)and computer/communication networks exemplify complex systems that fall into a class called discrete event stochastic systems(DESS).The efficient design and operation of these systems is extremely importa

17、nt to economic competitiveness,yet system behavior is not completely understood.Present methods of analysis and design of DESS focus on their behavior in the steady state,a conceptualization that requires performance measures to be made“in the long run”or“averaged over time.”Yet,作业5：most systems exh

18、ibit dynamic behavior on their way to(or sometimes even during)the steady state that may produce a deviation in performance from that computed by steady state analysis.Design and control of such systems(for example,multiechelon spare parts inventories,integrated manufacturing cells or computer/commu

19、nication nets)involving explicit consideration of the cost or impact of transient behavior,is now a real possibility.2.用英文回答下例问题Recently what makes a manufacturing system change so much?Why?Unit 2 Advanced Manufacturing Systemso Group Technology(GT)o Flexible Manufacturing Systems(FMS)o Computer Int

20、egrated Manufacturing Systems(CIMS)o Lean Production(LP)o Agile Manufacturing(AM)o E-ManufacturingGroup Technology(GT)oTwo Major Tasks:(1)Identifying the part families(2)Rearranging production machines into machine cells Benefits of Group Technology oPromotes standardization oMaterial handling is re

21、ducedoProcess planning and production scheduling are simplified oSetup times are reducedoWork-in-process is reducedoWorker satisfaction improves oHigher quality work is accomplishedFlexible Manufacturing Systems(FMS)o Content of FMS:(1)Process equipment(2)Material handling equipment(3)A communicatio

22、n system(4)A computer control system Advantages of FMS(1)Increased productivity(2)Shorter preparation time for new products(3)Reduction of inventory parts in the plant(4)Saving of labor cost(5)Improves product quality(6)Attracting skilled people to manufacturing(7)Improved operators safetyComputer I

23、ntegrated Manufacturing Systems(CIMS)o Activities of CIMS:(1)Identifying a need for a product(2)Designing a product to meet the needs(3)Obtaining the raw materials needed to produce the product(4)Applying appropriate processes to transform the raw materials into finished products(5)Transporting prod

24、ucts to the market(6)Maintaining the products to endure proper performance in the fieldBenefits of CIMS(1)Product quality increases(2)Lead times are reduced(3)Direct labor costs are reduced(4)Product development times are reduced(5)Inventories are reduced(6)Overall productivity increases(7)Design qu

25、ality increasedLean Production(LP)o Ten Rules of LP:(1)Eliminate waste;(2)Minimize inventory;(3)Maximize flow;(4)Pull production from customer demand;(5)Meet customer requirements;Lean Production(LP)o Ten Rules of LP:(6)Do it right the first time;(7)Empower workers;(8)Design for rapid changeover;(9)

26、Partner with suppliers;(10)Create a culture of continuous improvement.Agile Manufacturing(AM)o AM is a New Manufacturing Strategyo AM is a Production Mode of the 21st Century E-Manufacturingo What is E-Manufacturing?o W h a t i s t h e F u t u r e o f E-Manufacturing?Unit 3 Manufacturing Support Sys

27、temso CAD(Computer-Aided Design)o CAM(Computer-Aided Manufacturing)o CAPP(Computer-Aided Process Planning)o CAE(Computer-Aided Engineering)作业6：1.重点语句翻译（把下列语句翻译成中文）Future FMS will contain many manufacturing cells,each cell consisting of robot serving several computers NC(CNC)machine tools or other st

28、andalone systems such as an inspection machine,a welder,an Electron Discharge Machining(EDM)machine,etc.Instead of devoting resources to planning what would be required for future manufacturing,Toyota focused on reducing system was capable of immediately changing and adapting to market demands.Thats

29、 because 3D solid modeling removed the emphasis from using computer technology to document or capture a design concept and gave engineers a tool that truly helped them create more innovative designs and manufacture higher quality products.Design analysis and knowledge-based engineering(KBE)applicati

30、ons help manufacturers to refine design concepts by simulating a products physical behavior in its operating environment and infusing the designers knowledge and expertise into the manufacturing process.作业6：2.课外翻译（把下列语句翻译成中文）Certain computer-based technologies falling within the broad realm of CIM h

31、ave been sufficiently well developed to merit specific attention.Most CAD system allow the designer to draw a model of the design by making available a set of primitives.When these designs are subjected to spreadsheet-like“what if”analysis based on engineering equations contained in the software,the essentials of the design can be optimized before the design engineer spends a lot of time getting down into the fine details.3.用英文回答下例问题 What is Group Technology(GT)?And what are the major tasks to application of Group Technology?