כיצד למנוע החזרות של רכיבי פלסטיק
Thecomplexityandsizeoftoday'ssupplychaincontributestorecalls, particularlyintheautomotiveindustry. Asthesaying
אומר, thesupplychainisonlyasgoodasitsweakestlink. Plasticshavebecomeubiquitousintheautomotiveindustry, כמו
OEMspushtheboundariesofwhat'spossibletomeettheCorporateAverageFuelEconomystandards. Infact, asnotedby
SPI:Theplasticsindustrytradeassociation(Washington,DC), plasticsmakeup50% ofthevolumeofacarbutcontribute
only10% ofthetotalweight.
האב JeffJansen, ManagingEngineerwiththeMadisonGroup (מדיסון, WI), aconsultingfirmforpolymersandtheplastics
industryspecializinginfailureanalysisandqualitycontrol (קיו סי), usesavarietyofanalyticalinstrumentationtocharacterize
polymersandplastics. Jansennotedthatfailureanalysis, failurepreventionandmaterialqualificationandevaluationareשלו
clients'primaryareasofconcern. בנוסף, hiscompanyprovidesassistancewithmaterialselectionandpredictionand
processdevelopment, includinghowthemoldingoperationperforms." WeworkpredominantlywithOEMsandmoldersin
termsofprocessdevelopment, "JansentoldPlasticsToday". Iliketoseeapartnershipbetweenthedesigner, moldmakerו
materialspeople. Tohavethematerialselectedinconcretebeforeyougotothemolderandmoldmakerisamistake.We
oftengetinvolvedinacollaborativeefforttohelpselectaresin, andifwe'rehiredbythemolderwehaveexposuretothe
יצרן הציוד המקורי. Ifwe'rehiredbytheOEM, wehaveexposuretotheresinsupplierandthemolder." TheMadisonGroupworkswith
severalmajorindustries, includingmedicalandautomotive. Jansensaidthecomplexitycomeswithgovernmentregulations,
andintheautomotiveindustrytheOEMshavealotofrulesinplace, suchaswhenPPAP [productionpartapprovalprocess]
האקלים." Betweencompanyguidelinesandfederalregulationstherecanbequiteafewhurdlestoapprovingamaterial
orimplementinganewmaterial,"Jansennoted.HeaddedthattherearethreemajorareaswheretheMadisonGrouphelps
qualifynewresins:Whenanoldresinisdiscontinued; whenanewproductisbeingdeveloped; andinthecaseoffailure
whenthecompanyidentifiesthataresinisn'trightforanapplication." Itcanbeverydifficulttoselectanewresiniftheone
inuseisbeingdiscontinued, "saidJansen". It'stimesensitive, whichmandatesthatyouneedtomovequicklytogetanew
שרף. Qualifyingaresinforanewproductindevelopmentiseasierbecauseoftenyoudon'thavethetimecrunch." תרמו
IsamanufacturerofscientificinstrumentsthatincludeinfraredandRamanspectrometers FisherScientific (וולת'אם, MA),
rheometers, X-rayphotoelectronspectrometers (XPS), andscanningelectron energydispersivex-rayspectrometers (עורכים)
microscopes(SEM).ThermoFisherScientificinstrumentsareusedinawiderangeofindustries, notjustautomotive,
includingconsumerproducts, גבוהה-techelectronicequipment, chemicalsandpharmaceuticals... Thesesystemsareused
מעברmanyapplicationsineverythingfromRandamp; D, productdevelopment, analyticalservicesandqualitycontrol.

