Comment prévient-on rappelle des composants en plastique

Thecomplexityandsizeoftoday'ssupplychaincontributestorecalls, particularlyintheautomotiveindustry. Asthesaying

va, thesupplychainisonlyasgoodasitsweakestlink. Plasticshavebecomeubiquitousintheautomotiveindustry, comme

OEMspushtheboundariesofwhat'spossibletomeettheCorporateAverageFuelEconomystandards. Enfait, asnotedby

SPI:Theplasticsindustrytradeassociation(Washington,DC), plasticsmakeup50 % ofthevolumeofacarbutcontribute

seulement10 % ofthetotalweight.
JeffJansen, SR., ManagingEngineerwiththeMadisonGroup (Madison, WI), aconsultingfirmforpolymersandtheplastics

industryspecializinginfailureanalysisandqualitycontrol (QC), usesavarietyofanalyticalinstrumentationtocharacterize

polymersandplastics. Jansennotedthatfailureanalysis, failurepreventionandmaterialqualificationandevaluationaresa

clients'primaryareasofconcern. En outre, hiscompanyprovidesassistancewithmaterialselectionandpredictionand

processdevelopment, includinghowthemoldingoperationperforms. » WeworkpredominantlywithOEMsandmoldersin

termsofprocessdevelopment, « JansentoldPlasticsToday. » Iliketoseeapartnershipbetweenthedesigner, moulisteet

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

résine. Qualifyingaresinforanewproductindevelopmentiseasierbecauseoftenyoudon'thavethetimecrunch. » Thermo

IsamanufacturerofscientificinstrumentsthatincludeinfraredandRamanspectrometers FisherScientific (Waltham, MA),

rhéomètres, X-rayphotoelectronspectrometers (XPS), andscanningelectron energydispersivex-rayspectrometers (EDS)

microscopes(SEM).ThermoFisherScientificinstrumentsareusedinawiderangeofindustries, notjustautomotive,

includingconsumerproducts, haute-techelectronicequipment, chemicalsandpharmaceuticals. Thesesystemsareused

dans l’ensemblemanyapplicationsineverythingfromRandamp ; D, développement, analyticalservicesandqualitycontrol.