Jak zabránit navrácení plastových komponentů
Thecomplexityandsizeoftoday'ssupplychaincontributestorecalls, particularlyintheautomotiveindustry. Asthesaying
epos, thesupplychainisonlyasgoodasitsweakestlink. Plasticshavebecomeubiquitousintheautomotiveindustry, jako
OEMspushtheboundariesofwhat'spossibletomeettheCorporateAverageFuelEconomystandards. Infact, asnotedby
SPI:Theplasticsindustrytradeassociation(Washington,DC), plasticsmakeup50 % ofthevolumeofacarbutcontribute
only10 % ofthetotalweight.
JeffJansen, Sr., ManagingEngineerwiththeMadisonGroup (Madison, WI), aconsultingfirmforpolymersandtheplastics
industryspecializinginfailureanalysisandqualitycontrol (QC), usesavarietyofanalyticalinstrumentationtocharacterize
polymersandplastics. Jansennotedthatfailureanalysis, failurepreventionandmaterialqualificationandevaluationarejeho
clients'primaryareasofconcern. Navíc hiscompanyprovidesassistancewithmaterialselectionandpredictionand
processdevelopment, includinghowthemoldingoperationperforms." WeworkpredominantlywithOEMsandmoldersin
termsofprocessdevelopment, "JansentoldPlasticsToday." Iliketoseeapartnershipbetweenthedesigner, moldmakera
materialspeople. Tohavethematerialselectedinconcretebeforeyougotothemolderandmoldmakerisamistake.We
oftengetinvolvedinacollaborativeefforttohelpselectaresin, andifwe'rehiredbythemolderwehaveexposuretothe
OEM. Ifwe'rehiredbytheOEM, wehaveexposuretotheresinsupplierandthemolder." TheMadisonGroupworkswith
severalmajorindustries, includingmedicalandautomotive. Jansensaidthecomplexitycomeswithgovernmentregulations,
andintheautomotiveindustrytheOEMshavealotofrulesinplace, suchaswhenPPAP [productionpartapprovalprocess]
se." Betweencompanyguidelinesandfederalregulationstherecanbequiteafewhurdlestoapprovingamaterial
orimplementinganewmaterial,"Jansennoted.HeaddedthattherearethreemajorareaswheretheMadisonGrouphelps
qualifynewresins:Whenanoldresinisdiscontinued; whenanewproductisbeingdeveloped; andinthecaseoffailure
whenthecompanyidentifiesthataresinisn'trightforanapplication." Itcanbeverydifficulttoselectanewresiniftheone
inuseisbeingdiscontinued, "saidJansen." It'stimesensitive, whichmandatesthatyouneedtomovequicklytogetanew
pryskyřice. Qualifyingaresinforanewproductindevelopmentiseasierbecauseoftenyoudon'thavethetimecrunch." Termo
IsamanufacturerofscientificinstrumentsthatincludeinfraredandRamanspectrometers FisherScientific (Waltham, MA)
rheometers, X-rayphotoelectronspectrometers (XPS), andscanningelectron energydispersivex-rayspectrometers (EDS)
microscopes(sem).ThermoFisherScientificinstrumentsareusedinawiderangeofindustries, notjustautomotive,
includingconsumerproducts, vysoké techelectronicequipment, chemicalsandpharmaceuticals. Thesesystemsareused
napříčmanyapplicationsineverythingfromRandamp; D, productdevelopment, analyticalservicesandqualitycontrol.

