Additivemanufacturingofferscompletelynewpossibilitiesforthemanufacturingofparts.Theadvantagesof flexibilityandconvenienceofadditivemanufacturinghavehadasignificantimpactonmanyindustries, andoptimizingpartqualityiscrucialforexpandingitsutilization. Thisresearchaimstodeterminethesourcesofimprecisioninfuseddepositionmodeling(FDM). Processerrorsintermsofsurfacequality, accuracyandprecisionareidentifiedandquantified, andanerror-budgetapproachisusedtocharacterizeerrorsofthemachinetool. Itwasdeterminedthataccuracyandprecisionintheydirection (0,08-0.30 mm) aregenerallygreaterthaninthe xdirection (0,12 – 0,62 mm) và các zDirection(0.21–0.57mm). Hơn nữa, accuracyandprecisiontendtodecreaseatincreasingaxisvị trí. TheresultsofthisworkcanbeusedtoidentifypossibleprocessimprovementsinthedesignandcontrolofFDMtechnology.
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