bdi timeAssembly Time Worksheet for Boothroyd/Dewhurst Design For Assembly MethodLevel & SeqNameQuantity2-Digit CodeHandling Time2-Digit CodeInsertion TimeAT/PartTotalBody11,01.50,01.533Diverter13,01.950,65.57.457.45O-Ring, Cover10,01.133,023.133.13Spacer10,01.133,023.133.13O-Ring, Diverter10,01.133,023.133.13Valve Cover13,01.953,023.953.95Handle13,01.950,76.58.458.45Thumb Screw11,01.53,023.53.5Screws41,01.53,023.51449.74Total Number of Parts: N =12Total Assembly Time in Seconds: AT =49.74Total Number of Candidates for Elimination and/or Combination: X = 5Design Efficiency: DE =42%Theoretical Minimum Number of Parts: TMNP = N - X = 12-5 =7Assembly Efficiency: AE =72%Part Count Design Efficiency: PCDE =58%

part reductionDFM/A & DFS Part Reduction WorksheetPartCandidates for Elimiantuion and/or CombinationLevel & SeqNameQuantity (n)With Respect toRelative Motion?Different Material?Separate for Assembly/Service?Candidate for Elim/Comb?Number of CFE/CCritical Part1Body1------Yes2Diverter1BodyYesYes3O-Ring, Cover1BodyYesYesDiverterYesYes4Spacer1BodyNoYesYesYesDiverterYesYesO-Ring, CoverYesYes5O-Ring, Diverter1BodyYesYesDiverterYesYesO-Ring, CoverYesYesSpacerYesYes6Valve Cover1BodyYesYesDiverterYesYesO-Ring, CoverYesYesSpacerYesYesO-Ring, DiverterYesYes7Handle1BodyYesYesDiverterYesYesO-Ring, CoverYesYesSpacerYesYesO-Ring, DiverterYesYesValve CoverYesYes8Thumb Screw1BodyNoNoYesYesDiverterYesYesO-Ring, CoverNoNoNoNoSpacerNoNoYesYesO-Ring, DiverterNoNoYesYesValve CoverYesYesHandleYesYes9Screws4NoNoNoNoTotal Number of Parts: N =12Total Number of Candidates for Elimination and/or Combination: X =5Theoretical Minimum Number of Parts: TMNP = N - X =7Part Count Design Efficiency: PCDE =58%

dfs timeAssembly Time Worksheet for Hitachi Assembly Evaluation Method (Design for Simplicity Method)Part ListOperationsSummation for Assembly Time EstimateLevel & SeqNameQuantity (n)SymbolsCount (m)Total Penalty ( Penalty)M = 100 + PenaltyT = M * (1+0.15*(m-1))Total Points = T * nBody1Diverter1O-Ring, Cover1Spacer1O-Ring, Diverter1Valve Cover1Handle1Thumb Screw1Screws4Total Number of Parts: N =Total Assembly Time in Points: AT =Total Number of Candidates for Elimination and/or Combination: X =Total Assembly Time in Tdown: AT =Theoretical Minimum Number of Parts: TMNP = N - X =Design Efficiency: DE =Part Count Design Efficiency: PCDE =Assembly Efficiency: AE =