第10章物料需求计划与制造资源计划

(MRP)(MRPll)(MaterialRequirementsPlanning,MRP)MRP(Closed-loopMRP)MRP(ManufacturingResourcePlanning,MRP)MRPMRPMRPMRPMRP,MRPMRPMRPMRPMRPMRPMRPMRPMRP()MRPMRPMRPMRPMRP613MRPMRP101ABABAABBABA:B:101MRPMRPMRP3(1)101(EOQ)501205030342010488502330910(2)95100101123456789101232000200002000200400000000200000000040595,5(0.95)5=0.7744(3)102000102MTOMRPMRPMRP103MRPMRPMRPMRPMRP(MasterProductionScheduleMPS)MRPMRPMRPMRPMRPMRP103MRPMRPMRPMRP3MRPMRP102A510815F413712C1910MRPMRP102123456789A()1015B()1312C()101010101010101010(BillofMaterials,BOM)10-410410-5113116(2)11210-510-51A()1BALA=1LB=1B(1)D(1)LD=3C(3)LC=2LG=2LF=4F(6)E(1)G(1)H(1)M(2)LE=1LH2LM=3LJ=3J(20kg)K(5kg)LK=3105()3C()1D()1B1E()6F()1C1G()1H()2M()E20JG5KB(1)1A1BJ(20kg)1E20kgJLX(Leadtime)LA1A1LG2G2LK3K3A10-6AB(1)C(2)D(2)1C(2)E(3)D(3)E(1)G(3kg)2D(3)E(1)H(2.5)G(3kg)H(2.5)3G(3kg)(2.5)4106A106E23,106107A0B(1)1C(2)C(2)2D(3)E(1)E(3)D(3)E(1)D(2)3G(3kg)H(2.5kg)H(2.5kg)G(3kg)H(2.5kg)G(3kg)4107()MRPMRP103C4A691115A2CC300103CLT212345678910113003003004002020420420420420120120120-180-180-480180300180300C2400C20240042063001209300180(10.1)9C18011300918027180CMRPMRPMRP55(10.2)MRP()()MRP1MRP107C2104104MRP12345678910111015A200000000-10-10-10-25101510151015B110121212121212222-131313202630C21025515151515-5-5-31-615263052630A61091511B1A1BB610915BAB813B122C1A2C1B2CA6101115C620930B813C9263DEMRPMRPMRPMRPMRPMRPMRPMRPMRPMRPMRPMRPMRPMRPMRPMRPMRPMRPMRPMRPMRPMRPMRPMRPMRP108MRP108MRPMRP108MRPMRPMRPMRPMRP()MRPMRPMRPMRPMRPMRPMRPMRPMRPMRPMRPMRPMRPMRPMRPMRP,MRP98959895MRPMRPMRPMRPMRPMRPABC(52)39ABCMRPABCMRPABCABMRPCMRPABC,ABCCACACCMRP10MRPMRPMRPMRPMRP(Pegging)MRPMRPMRPMRP(Regeneration)(NetChange)MRPMRP242334310233431021602160(Modularbillofmaterials)(2334310)25MRP5111C1CB1BA13CA31()()90L2N6(10.3)LN()LkT(10.4)Tk1.5-4MRPMRPMRP(Nervousness)MRPEOQ(MaximumPart-PeriodGain,MPG)MPG(t)D(t)t1(1)(S)(t-1)D(t)HH(t-1)D(t)HS(t-1)D(t)SHD(t)11(t-1)D(t)(t-1)D(t)1MPGMRPSHMPGS300H2105(SH)150MPG106105123456789101112101015207018025027023040010106MPG1234567891011120123451020205070180101015207018025027023040010200152070180250270230400102003507018025027024040010200350701802502702305000200350701802502702800005500070180250270280000Qs5545352070180250270280501010Qf453520000005010100211110204331501551234570618072508270928091012CTCRCHkS+0.5HΣ(Qs+Qf)CRCHkQsiQfi,CR63001800CH0.52(5545453535202070180250270280505010101010)1445CT1800+1445=3245(DRP)MRP(DistributionRequirementsPlanning,DRP)9-1(MultilevelDistributionNetworkMDN)DRPMRP310-7MRPDRP=-+(10.5)10-710-71210-7A230(10.5)460560505A2250325052502507110870110-70=405026250B(3300)AB3(250+300)=5506250(10-7)2150010-7DRPA250,25012345678404040506070707023019015011060250180110290250250B370,300123456786060606065656565903302702101508532025519030031000,1500123456785502501750175017501200120027002450245024501500DRPMRP()1DRPMRP(Time-phasedOrderPoint,TPOP).TPOP2DRPMRP3DRPMRP()1MRPDRP2MRP()()DRP()()MRP.26JKGCDGCKMRPII••••••MRPII.MRPIIMRPIIMRPIICAD/CAPP/CAMMRPII1.MRPII•MRPII••2..MRP•••MRPIICAD/CAPPMRPII98MRP•MRPIIMRPII:•5%~10%•MRPII•MRPII•MRPII••MRP23••MRPIIMRPIIMRPIIMRPIIMRPII•MRPIIMRPIIMRPIIMRPIIMRPIIMRPII•MRPIIMRPIIMRPIIMRPII•MRPIIMRPIIMRPIIMRPIIMRPII•[]MRPIIMRPIIMRPMRPIIMRPMRPMRPMRPIIMRPABCMRPDRP1MRP23MRPMRP4MRP5MRP110-42AFB.AFLT=1LT=22B3C3B2X1YLT=3LT=2LT=3LT=4LT=1212345678910111213200150200150250300300300200100150AF9020015020021010018015025020025031000.25/(1)EOQ(2)MPG12345678910200150100200100100150200150200