漆包线制造FMEA.doc

XINLONG MAGNET WIRE CO.LTD3 Process Potential Failure Mode Effects AnalysisFMEA No. FM-002(PFMEA)page 1 of 2 Project: enamelling processProcess responsibility: manuf.&tech. dpt. Prepared by: Tu Jinqiang Team member: Tu Jinqiang, Deng Zhihua Xiao Yong, Qi Shun Date: Oct.17 2003 FMEA date(original) Oct.17 2003 (revise) ProcessFunction/Reqrmt.PotentialFailur modePotentialEffects of FailureSCPotential cause/mechanism of failureOCurrent processcontrolDR.P.N.recommended actionResponsibility&target completion dateaction resultActiontakenSODR.P.N.Enamel the wire enamel on the bare wire,after curing,the magnet wire should meet all requirmt. Dimension:overall diameter out of standardDimension:bare wire tolerance out of standardsurface：have tiny beadEffect the wire assemblyInfluence the resistanceInfluence the appearance464Improper enamelling die; Improper felt regulating or the felt is used too long.the bare wire tolerance out of standard before enamelling；the wire thinned down during enamelling；Improper felt used or the felt is used too long；the enamelling die is dirty；the machine is not clean enough657inspect each spoolinspect regularly and take 20% for spot inspection inspect each spool2424812056Change enamelling die；regulate felt or replace the felt regularly；Inspect each spool of bare wire before enamelling；regualate the tension according to the work instuction；Regulate or replace the felt regularly; replace the enamelling die; clean the machine regularlyWire enamelling workshopOct.31 2003Wire enamelling workshopOct.31 2003Wire enamelling workshopOct.31 2003All the proposed action have been practised464234232165432Remarks: S is short for severity, C is classification, O is occurrence, D is detection, R.P.N. is risk priority number. Prepared by：Tu Jinqiang audited by：Shan Maogang XINLONG MAGNET WIRE CO.LTD3 Process Potential Failure Mode Effects AnalysisFMEA No. FM-002(PFMEA)page 2 of 2 Project: enamelling processProcess responsibility: manuf.&tech. dpt. Prepared by: Tu Jinqiang Team member: Tu Jinqiang, Deng Zhihua Xiao Yong, Qi Shun Date: Oct.17 2003 FMEA date(original) Oct.17 2003 (revise) ProcessFunction/Reqrmt.PotentialFailur modePotentialFailur effectSCPotential cause/mechanism of failureOCurrent processcontrolDR.P.N.recommended actionResponsibility&target completion dateaction resultActiontakenSODR.P.N.Enamel the wire enamel on the bare wire,after curing,the magnet wire should meet all requirmt. surface： oxidationPerformance:pin-hole exceed the standardPerformance:the film crackedInfluence the appearance or it maybe influence the electricity performaceInfluence the electricity performanceLead to the electrical appliance failure678The bare wire is oxidized or it became oxidized during annealThe production condition unreasonable; the wire was scraped during production; the production is need to be cleaned. The production condition unreasonable;the wire enamel is improper;The machine is not well regulated. 453inspect each spoolthe operator inspect and take spot inspection inspect each spool223487072Inspect each spool of bare wire before enamelling；inspect the wire according to the work instruction. Regulate the production condition; clean the machine regularly; inspect the wire according to the work instruction.Regulate the production condition; replace the wire enamel; regulate the machine well before production.Wire enamelling workshopOct.31 2003Wire enamelling workshopOct.31 2003Wire enamelling workshopOct.31 2003All the proposed action have been practised678222223242848Remarks: S is short for severity, C is classification, O is occurrence, D is detection, R.P.N. is risk priority number. Prepared by：Tu Jinqiang audited by：Shan Maogang XINLONG MAGNET WIRE CO.LTD3 Process Potential Failure Mode Effects AnalysisFMEA No. FM-001(PFMEA)page 1 of 1 Project: wire drawing processProcess responsibility: manuf.&tech. dpt. Prepared by: Tu Jinqiang Team member: Tu Jinqiang, Ding Changsheng Jiang Xien Date: Oct.17 2003 FMEA date(original) Oct.17 2003 (revise) ProcessFunctionReqrmt.PotentialFailur modePotentialFailur effectSCPotential cause/mechanism of failureOCurrent processcontrolDR.P.N.recommended actionResponsibility&target completion dateaction resultActiontakenSODR.P.N. Draw the copper wire into bare wire of specific diameter Dimension:the diameter of the wire out of standardsurface： burrperformance; the longation of the wire is bad. the dimension of the magnet wire out of standardInfluence the surface and the electricity performace of the magnet wire.Influence the processing performance of the magnet wire.875Improper drawing die dimension; the drawing die is worn out.The drawing dies are not smooth;improper PH value of the drawing coolant or the drawing coolant is not clean; the copper is not good.Annealling unduly or insufficiently445inspect each spoolinspect each spool take spot inspection 2246456100Replace the drawing dies; inspect the dimension of the drawing dies regularly.Replace the drawing dies; regualate the PH value of the drawing coolant; inspect the drawing coolant regularly; change the copper rod.Regulate the anneal voltageWire drawing workshopOct.31 2003Wire drawing work