ASTM_D_6963_-_13.pdf

Designation:D696313Standard Terminology Relating toSewn Products Automation1This standard is issued under the fixed designation D6963;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This standard is a compilation of all terminology,whichis related and specific to Sewn Products Automation.1.2 Diagrams and illustration included in this compilationare intended to provide a better understanding of the conceptsdefined.2.Referenced Documents2.1 ASTM Standards:2D6673 PracticeforSewnProductsPatternDataInterchangeData FormatD6674 Guide for Proficiency Test Program for Fabrics3.Terminologyalternate grade reference line,n an optional internal linewhose orientation is used for the“x”axis of a grade rule.DISCUSSIONThe application of a grade rule will be oriented to thegrade reference line unless an alternate grade reference line is specified.(See grade reference line.)annotation text,noptional user text that can be specificallydefined and displayed when the pattern piece is plotted.DISCUSSIONAnnotation text is usually placed in specific locationswithin the piece boundary to identify important information such as thedrill hole diameter.base size,nthe digitized or created size of a style.(Seesample size.)block,nfor cutting standard def.,a sequence of commandswithin a cut file and which activate a response by theautomated fabric cutter.DISCUSSIONA block keyword should be used to identify the start ofinformation for a pattern piece and an end block keyword is used tostop the data mand,na two letter sequence,always written in capitalletters,that governs interpretation of formatted data.Alsoknown as a syntax command.curve interpolation point,nthose intermediate points gen-erated between curve points by means of a CAD vendorssystem curve interpolation algorithm;those points used tocreate a curve in order to represent a contour.curve point,na user defined point on a contour.DISCUSSIONWhen a curve interpolation algorithm is used to gener-ate a curve,the resulting curve must pass through all user defined curvepoints.(See curve interpolation points,validation curve.)curve tolerance,nthe maximum perpendicular distance thatthe resulting curve can deviate from the original curve aftertransferring the data for the first time.DISCUSSIONSufficient points should be added by the originatingsystem to keep the shape of the curve within the user defined curvetolerance.cut file,nnumerically controlled fabric cutter instructionsentered in blocks of ASCII characters.cut lines,nthe outside edges of a pattern piece used as aguide for cutting out the pattern piece.(See piece bound-ary.)data block,nan organized group of commands and param-eters preceded by a header and followed by a terminator.drill hole,na point that is part of a pattern piece that is notpart of any line.DISCUSSIONDrill holes may be used to denote pocket or buttonholeplacement.format classification interrogation,ninteractive direct on-line communication between systems which generates cutfile interchange and fabric cutting equipment.function codes,ncodes used to control fabric cutter instruc-tions and govern interpretation of subsequent commands anddata in a block.grading,na method of creating multiple sizes from a base orsample size using a grade rule.graded nest,na collection of graded piece boundaries thatrepresent every size in the size line for a particular patternpiece.1This terminology is under the jurisdiction ofASTM Committee D13 on Textilesand is the direct responsibility of Subcommittee D13.66 on Sewn ProductAutomation.Current edition approved July 1,2013.Published September 2013.Originallyapproved in 2004.Last previous edition approved in 2004 as D6963-041which waswithdrawn January 2013 and reinstated in July 2013.DOI:10.1520/D6963-13.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandardsvolume information,refer to the standardss Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 DISCUSSIONThe CAD vendors system will apply the grade rulesfrom the grade rule table to the base size of a piece to create the gradednest.grade reference line,nthe horizontal line that defines the xaxis for the pattern piece.DISCUSSIONThe position of all other graded lines and points on thepiece are determined in reference to grade reference line(s).A piecemust have a grade reference line and may have one or more alternategrade reference lines.(See alternate grade reference line.)grade rule,na named set of grade rule values consisting ofone grade rule value for each size in the size line.(See graderule values.)DISCUSSIONA grade rule is named by the g