Πώς να αποτρέψει τις ανακλήσεις των πλαστικών εξαρτημάτων

Thecomplexityandsizeoftoday'ssupplychaincontributestorecalls, particularlyintheautomotiveindustry. Asthesaying

πηγαίνει, thesupplychainisonlyasgoodasitsweakestlink. Plasticshavebecomeubiquitousintheautomotiveindustry, ως

OEMspushtheboundariesofwhat'spossibletomeettheCorporateAverageFuelEconomystandards. Το Infact, asnotedby

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

only10% ofthetotalweight.
JeffJansen, Sr., ManagingEngineerwiththeMadisonGroup (Madison, WI), aconsultingfirmforpolymersandtheplastics

industryspecializinginfailureanalysisandqualitycontrol (QC), usesavarietyofanalyticalinstrumentationtocharacterize

polymersandplastics. Jansennotedthatfailureanalysis, failurepreventionandmaterialqualificationandevaluationareτου

clients'primaryareasofconcern. Επιπλέον, hiscompanyprovidesassistancewithmaterialselectionandpredictionand

processdevelopment, includinghowthemoldingoperationperforms.» WeworkpredominantlywithOEMsandmoldersin

termsofprocessdevelopment, «JansentoldPlasticsToday.» Iliketoseeapartnershipbetweenthedesigner, moldmakerκαι

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

ρητίνη. Qualifyingaresinforanewproductindevelopmentiseasierbecauseoftenyoudon'thavethetimecrunch.» Θέρμο

IsamanufacturerofscientificinstrumentsthatincludeinfraredandRamanspectrometers FisherScientific (Waltham, MA),

rheometers, X-rayphotoelectronspectrometers (XPS), andscanningelectron energydispersivex-rayspectrometers (ΕΠΙΜ.)

microscopes(SEM).ThermoFisherScientificinstrumentsareusedinawiderangeofindustries, notjustautomotive,

includingconsumerproducts, υψηλής-techelectronicequipment, chemicalsandpharmaceuticals. Thesesystemsareused

σε όλη τηνmanyapplicationsineverythingfromRandamp; D, productdevelopment, analyticalservicesandqualitycontrol.