模具拔模斜度符号及对测量的影响

《模具拔模斜度符号及对测量的影响》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、SYMBOLSB11GENERALSymbolsareusedondrawingsasanabridgedmeansofexpressingcommonlyusedwordsorprocesses.ThesymbolscommonlyusedondrawingsotherthanGeometricDimensioningandTolerancingSymbolsareshowninthissection.2DRAFTSYMBOLSSymbolstoindicatedirectionofdraftmaybeusedinplaceofpic

2、torialillustrationsondrawingsofcastormoldedparts.Symbolsareparticularlyadvantageousondrawingsforintricateparts.Theuseofthefollowingsymbolsandguidesfortheirusewillminimizemisinterpretation.2.1Alldraftsymbolsarevariationsoftheletter"D",asfollows:=Draftincluded.SeeFigures2.

3、02and2.03.=Plusdraft,meansdimensiontowhichsymbolisappliedmayincreaseduetodraft.SeeFigures2.04and2.05.=Minusdraft,meansdimensiontowhichsymbolisappliedmaybereducedduetodraft.SeeFigures2.06and2.07.Theaboveinterpretationshouldnotbeconfusedwiththeinterpretationthatthesymbolis

4、relatedtoplusorminusmaterial.2.2Symbolsshouldbedefinedonthedrawingorbyanoteonthedrawingreferringtothisstandard.2.3Featuressubjecttodraftshouldbecoveredbytheapplicablesymbolorbyageneralspecificationonthedrawing.2.4Amountorangleofdraftisspecifiedinnoteformorbydimensionsind

5、ependentofsymbolusage.Whenonlythedraft-includedsymbolisused,thespecificationofdraftangleisnotrequired.2.5Whendirectionofdraftonthruholesistobecontrolled,itmaybeindicatedeitherbyapplyingadraftsymbol,orbyspecificationoftheholediameterateachend.2.6Figures2.01through2.07illu

6、stratethesize,useandinterpretationofdraftsymbols.MAY2003Whenprinted,thisdocumentisuncontrolled.Page10SYMBOLSB1FIGURE2.01-SIZEOFSYMBOLMAY2003Whenprinted,thisdocumentisuncontrolled.Page10SYMBOLSB1FIGURE2.02-DRAFTINCLUDED-HOLESMAY2003Whenprinted,thisdocumentisuncontrolled.P

7、age10SYMBOLSB1FIGURE2.03-DRAFTINCLUDED-EXTERNALANDINTERNALFEATURESMAY2003Whenprinted,thisdocumentisuncontrolled.Page10SYMBOLSB1FIGURE2.04-PLUSDRAFT-HOLESFIGURE2.05-PLUSDRAFT-EXTERNALANDINTERNALFEATURESMAY2003Whenprinted,thisdocumentisuncontrolled.Page10SYMBOLSB1FIGURE2.0

8、6-MINUSDRAFT-HOLESFIGURE2.07-MINUSDRAFT-EXTERNALANDINTERNALFEATURESMAY2003Whenprinted,thisdocumentisunc