1、Operations ManagementFor Competitive AdvantageThe McGraw-Hill Companies,Inc.,2001CHASE AQUILANO JACOBSninth edition1Operations ManagementFor Competitive AdvantageCHASE AQUILANO JACOBSninth editionChapter 5Operations ManagementFor Competitive AdvantageThe McGraw-Hill Companies,Inc.,2001CHASE AQUILANO
2、 JACOBSninth edition2Chapter 5Product Design&Process Selection-ManufacturingTypical Phases of Product Design Development Concurrent EngineeringDesigning for the Customer QFDDesign for Manufacturability Types of ProcessesProcess Flow StructuresProcess Flow DesignGlobal Product Design and Manufacturin
3、gOperations ManagementFor Competitive AdvantageThe McGraw-Hill Companies,Inc.,2001CHASE AQUILANO JACOBSninth edition3Typical Phases of Product Design DevelopmentConcept DevelopmentProduct PlanningProduct/Process EngineeringPilot Production/Ramp-UpOperations ManagementFor Competitive AdvantageThe McG
4、raw-Hill Companies,Inc.,2001CHASE AQUILANO JACOBSninth edition4Concurrent EngineeringDefinedConcurrent engineering can be defined as the simultaneous development of project design functions,with open and interactive communication existing among all team members for the purposes of reducing time to m
5、arket,decreasing cost,and improving quality and reliability.Operations ManagementFor Competitive AdvantageThe McGraw-Hill Companies,Inc.,2001CHASE AQUILANO JACOBSninth edition5Designing for the Customer Quality FunctionDeployment House of QualityValue Analysis/Value EngineeringIdeal Customer Product
6、Operations ManagementFor Competitive AdvantageThe McGraw-Hill Companies,Inc.,2001CHASE AQUILANO JACOBSninth edition6Designing for the Customer:Quality Function DeploymentInterfunctional teams from marketing,design engineering,and manufacturingVoice of the customerHouse of Quality Designing for the C
7、ustomer:The House of QualityCustomer RequirementsImportance to Cust.Easy to closeStays open on a hillEasy to openDoesnt leak in rainNo road noiseImportance weightingEngineering CharacteristicsEnergy needed to close doorCheck force on level groundEnergy needed to open doorWater resistance106692375332
8、XXXXXCorrelation:Strong positivePositiveNegativeStrong negativeX*Competitive evaluationX=UsA=Comp.AB=Comp.B(5 is best)1 2 3 4 5XABX ABXABA X BX ABRelationships:Strong=9Medium=3Small=1Target valuesReduce energy level to 7.5 ft/lbReduce forceto 9 lb.Reduce energy to 7.5 ft/lb.Maintaincurrent levelTech
9、nical evaluation(5 is best)54321BAXBAXBAXBXABXABAXDoor seal resistanceAccoust.Trans.WindowMaintaincurrent levelMaintaincurrent levelThe McGraw-Hill Companies,Inc.,20017Operations ManagementFor Competitive AdvantageThe McGraw-Hill Companies,Inc.,2001CHASE AQUILANO JACOBSninth edition8Designing for th
10、e Customer:Value Analysis/Value Engineering(VA/VE)Achieve equivalent or better performance at a lower cost while maintaining all functional requirements defined by the customer.Does the item have any design features that are not necessary?Can two or more parts be combined into one?How can we cut dow
11、n the weight?Are there nonstandard parts that can be eliminated?Operations ManagementFor Competitive AdvantageThe McGraw-Hill Companies,Inc.,2001CHASE AQUILANO JACOBSninth edition9Design for ManufacturabilityTraditional Approach“We design it,you build it”or“Over the wall”Concurrent Engineering“Lets
12、work together simultaneously”Operations ManagementFor Competitive AdvantageThe McGraw-Hill Companies,Inc.,2001CHASE AQUILANO JACOBSninth edition10Design for Manufacturing and AssemblyGreatest improvements related to DFMA arise from simplification of the product by reducing the number of separate par
13、ts:1.During the operation of the product,does the part move relative to all other parts already assembled?2.Must the part be of a different material or be isolated from other parts already assembled?3.Must the part be separate from all other parts to allow the disassembly of the product for adjustme
14、nt or maintenance?Operations ManagementFor Competitive AdvantageThe McGraw-Hill Companies,Inc.,2001CHASE AQUILANO JACOBSninth edition11Types of ProcessesConversionFabricationAssemblyTestingOperations ManagementFor Competitive AdvantageThe McGraw-Hill Companies,Inc.,2001CHASE AQUILANO JACOBSninth edi
15、tion12Process Flow StructuresJob shopBatch shopAssembly LineContinuous FlowOperations ManagementFor Competitive AdvantageThe McGraw-Hill Companies,Inc.,2001CHASE AQUILANO JACOBSninth edition13IV.ContinuousFlowIII.AssemblyLineII.BatchI.JobShopLowVolume,One of aKindMultipleProducts,LowVolumeFewMajorPr
16、oducts,HigherVolumeHighVolume,HighStandard-izationCommercialPrinterFrench RestaurantHeavyEquipmentCoffee ShopAutomobileAssemblyBurger KingSugarRefineryFlexibility(High)Unit Cost(High)Flexibility(Low)Unit Cost(Low)Exhibit 5.10Operations ManagementFor Competitive AdvantageThe McGraw-Hill Companies,Inc
17、.,2001CHASE AQUILANO JACOBSninth edition14Virtual FactoryDefinedA virtual factory can be defined as a manufacturing operation where activities are carried out not in one central plant,but in multiple locations by suppliers and partner firms as part of a strategic alliance.Operations ManagementFor Co
18、mpetitive AdvantageThe McGraw-Hill Companies,Inc.,2001CHASE AQUILANO JACOBSninth edition15Process Flow DesignDefinedA process flow design can be defined as a mapping of the specific processes that raw materials,parts,and subassemblies follow as they move through a plant.The most common tools to cond
19、uct a process flow design include assembly drawings,assembly charts,and operation and route sheets.Operations ManagementFor Competitive AdvantageThe McGraw-Hill Companies,Inc.,2001CHASE AQUILANO JACOBSninth edition16Example:Assembly Chart(Gozinto)A-2SA-24567LockringSpacer,detent springRivets(2)Sprin
20、g-detentA-5Component/Assy OperationInspectionFrom Exhibit 5.14Operations ManagementFor Competitive AdvantageThe McGraw-Hill Companies,Inc.,2001CHASE AQUILANO JACOBSninth edition17Example:Process Flow Chart Material Received from SupplierInspect Material for DefectsDefects found?Return to Supplier fo
21、r CreditYesNo,ContinueOperations ManagementFor Competitive AdvantageThe McGraw-Hill Companies,Inc.,2001CHASE AQUILANO JACOBSninth edition18Global Product Design and Manufacturing StrategiesJoint VenturesGlobal Product Design StrategyOperations ManagementFor Competitive AdvantageThe McGraw-Hill Companies,Inc.,2001CHASE AQUILANO JACOBSninth edition19Measuring Product Development PerformanceTime-to-marketProductivityQuality
