Hvordan forhindre minnes plast komponenter
Thecomplexityandsizeoftoday'ssupplychaincontributestorecalls, particularlyintheautomotiveindustry. Asthesaying
går, thesupplychainisonlyasgoodasitsweakestlink. Plasticshavebecomeubiquitousintheautomotiveindustry, som
OEMspushtheboundariesofwhat'spossibletomeettheCorporateAverageFuelEconomystandards. Infact, asnotedby
SPI:Theplasticsindustrytradeassociation(Washington,DC), plasticsmakeup50% ofthevolumeofacarbutcontribute
only10% ofthetotalweight.
JeffJansen, SR, ManagingEngineerwiththeMadisonGroup (Madison, WI), aconsultingfirmforpolymersandtheplastics
industryspecializinginfailureanalysisandqualitycontrol (QC), usesavarietyofanalyticalinstrumentationtocharacterize
polymersandplastics. Jansennotedthatfailureanalysis, failurepreventionandmaterialqualificationandevaluationarehans
clients'primaryareasofconcern. I tillegg hiscompanyprovidesassistancewithmaterialselectionandpredictionand
processdevelopment, includinghowthemoldingoperationperforms." WeworkpredominantlywithOEMsandmoldersin
termsofprocessdevelopment, "JansentoldPlasticsToday." Iliketoseeapartnershipbetweenthedesigner, moldmakerog
materialspeople. Tohavethematerialselectedinconcretebeforeyougotothemolderandmoldmakerisamistake.We
oftengetinvolvedinacollaborativeefforttohelpselectaresin, andifwe'rehiredbythemolderwehaveexposuretothe
OEM. Ifwe'rehiredbytheOEM, wehaveexposuretotheresinsupplierandthemolder." TheMadisonGroupworkswith
severalmajorindustries, includingmedicalandautomotive. Jansensaidthecomplexitycomeswithgovernmentregulations,
andintheautomotiveindustrytheOEMshavealotofrulesinplace, suchaswhenPPAP [productionpartapprovalprocess]
willhappen." Betweencompanyguidelinesandfederalregulationstherecanbequiteafewhurdlestoapprovingamaterial
orimplementinganewmaterial,"Jansennoted.HeaddedthattherearethreemajorareaswheretheMadisonGrouphelps
qualifynewresins:Whenanoldresinisdiscontinued; whenanewproductisbeingdeveloped; andinthecaseoffailure
whenthecompanyidentifiesthataresinisn'trightforanapplication." Itcanbeverydifficulttoselectanewresiniftheone
inuseisbeingdiscontinued, "saidJansen." It'stimesensitive, whichmandatesthatyouneedtomovequicklytogetanew
harpiks. Qualifyingaresinforanewproductindevelopmentiseasierbecauseoftenyoudon'thavethetimecrunch." Thermo
FisherScientific (Waltham, MA) isamanufacturerofscientificinstrumentsthatincludeinfraredandRamanspectrometers,
rheometers, X-rayphotoelectronspectrometers (XPS), energydispersivex-rayspectrometers (EDS) andscanningelectron
microscopes(SEM).ThermoFisherScientificinstrumentsareusedinawiderangeofindustries, notjustautomotive,
includingconsumerproducts, høy-techelectronicequipment, chemicalsandpharmaceuticals. Thesesystemsareused
overmanyapplicationsineverythingfromRandamp, D, productdevelopment, analyticalservicesandqualitycontrol.

