ISO/ASTM52915:2016(E)StandardSpecificationforAdditiveManufacturingFileFormat(AMF)Version1.21ThisstandardisissuedunderthefixeddesignationISO/ASTM52915;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.INTRODUCTIONThisInternationalStandarddescribesaninterchangeformattoaddressthecurrentandfutureneedsofadditivemanufacturingtechnology.Forthelastthreedecades,thestereolithography(STL)fileformathasbeentheindustrystandardfortransferringinformationbetweendesignprogramsandadditivemanufacturingequipment.AnSTLfiledefinesonlyasurfacemeshandhasnoprovisionsforrepresentingcolour,texture,material,substructureandotherpropertiesofthefabricatedobject.Asadditivemanufacturingtechnologyisevolvingquicklyfromproducingprimarilysingle-material,homogeneousobjectstoproducinggeometriesinfullcolourwithfunctionally-definedgradationsofmaterialsandmicrostructures,thereisagrowingneedforastandardinterchangefileformatthatcansupportthesefeatures.TheadditiveManufacturingFileFormat(AMF)hasmanybenefits.Itdescribesanobjectinsuchageneralwaythatanymachinecanbuildittothebestofitsability,andassuchistechnologyindependent.Itiseasytoimplementandunderstand,scalableandhasgoodperformance.Crucially,itisbothbackwardscompatible,allowinganyexistingSTLfiletobeconverted,andfuturecompatible,allowingnewfeaturestobeaddedasadvancesintechnologywarrant.1.Scope1.1ThisInternationalStandardprovidesthespecificationfortheAdditiveManufacturingFileFormat(AMF),aninter-changeformattoaddressthecurrentandfutureneedsofadditivemanufacturingtechnology.1.2TheAMFmaybeprepared,displayedandtransmittedprovidedtherequirementsofthisspecificationaremet.Whenpreparedinastructuredelectronicformat,strictadherencetoanextensiblemarkuplanguage(XML)(1)2schemaisrequiredtosupportstandards-compliantinteroperability.1.3AW3CXMLschemadefinition(XSD)fortheAMFisavailablefromISOfromhttp://standards.iso.org/iso/52915andfromASTMfromwww.astm.org/MEETINGS/images/amf.xsd.Animplementationguideforsuch...
