ASM铸造缺陷的国际分类7大类(学习版0228)

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

·Metallicprojections金属多肉缺陷·Cavities空洞类缺陷·Discontinuities断、裂缺陷·Defects表面缺陷(瑕疵)·Incompletecasting铸件不完整·Incorrectdimension尺寸不符合·Inclusionsorstructuralanomalies夹杂或结构异常Table1Internationalclassificationofcommoncastingdefects表1一般铸造缺陷的国际分类No.Description描述Commonname一般名称Sketch图MetallicProjectionsA100:Metallicprojectionsintheformoffinsorflash飞边尾翅、披缝形式的多肉A110:Metallicprojectionsintheformoffins(orflash)withoutchangeinprincipalcastingdimensions飞边尾翅(披缝)形式的多肉,不改变铸件基本尺寸A111Thinfins(orflash)atthepartinglineoratcoreprints在分型线或芯头上的飞边(飞翅)Jointflashorfins飞边(飞翅)A112ProjectionsintheformofveinsonthecastingSurface铸件表面的毛刺Veiningorfinning毛刺A113NetworkofprojectionsonthesurfaceofdiecastingsHeat-checkeddieA114(a)Thinprojectionparalleltoacastingsurface,inre-entrantangles平行于铸件表面,在凹角处小块多肉Filletscab圆角夹砂A115Thinmetallicprojectionlocatedatare-entrantangleanddividingtheangleintwoparts在凹角处小块多肉将圆角分成两部分Filletvein圆角毛刺A120Metallicprojectionsintheformoffinswithchangesinprincipalcastingdimensions飞边多肉改变了铸件的基本尺寸A123(a)Formationoffinsinplanesrelatedtodirectionofmoldassembly(precisioncastingwithwastepattern);principalcastingdimensionschange合型不精确在平面上形成飞翅,改变铸件基本尺寸Crackedorbrokenmold铸型裂纹或塌箱A200Massiveprojections大块多肉A210Swells胀箱A212(a)Excessmetalinthevicinityofthegateorbeneaththesprue在内浇口附近或直浇道下方有大块金属Erosion,cut,orwash冲砂A213(a)Metalprojectionsintheformofelongatedareasinthedirectionofmoldassembly在合型延长方向上的多肉Crush掉砂A220:Projectionswithroughsurfaces表面粗糙A221(a)Projectionswithroughsurfacesonthecopesurfaceofthecasting铸件上箱面粗糙Molddroporsticker铸型掉砂A222(a)Projectionswithroughsurfacesonthedragsurfaceofthecasting(massiveprojections)铸件下箱面粗糙(成块的)Raisedcoreormoldelementcutoff砂芯上浮,掉砂A223(a)Projectionswithroughsurfacesonthedragsurfaceofthecasting(indispersedareas)铸件下箱面粗糙(分散的)Raisedsand型砂上浮A224(a)Projectionswithroughsurfacesonotherpartsofthecasting铸件的其它位置表面粗糙Molddrop铸型掉砂A225(a)Projectionswithroughsurfacesoverextensiveareasofthecasting铸件上大面积表面粗糙Cornerscab直角夹砂A226(a)Projectionswithroughsurfacesinanareaformedbyacore由砂芯形成的表面处粗糙BrokenorcrushedCore断芯CavitiesB100:Cavitieswithgenerallyrounded,smoothwallsperceptibletothenakedeye(blowholes,pinholes)裸眼看孔洞壁感觉是圆的、光滑的B110:ClassB100cavitiesinternaltothecasting,notextendingtothesurface,discernibleonlybyspecialmethods,machining,orfractureofthecastingB100类型孔洞是在铸件壁内,未延伸至铸件表面,只能由特殊方法、设备或破碎铸件才能辨别B111(a)Internal,roundedcavities,usuallysmooth-walled,ofvariedsize,isolatedorgroupedirregularlyinallareasofthecasting在铸件壁内,圆的孔洞,通常洞壁光滑,有不同的大小,有单个的也有多个的,可以在铸件的各个部位Blowholes,pinholes气孔,针孔B112(a)Asabove,butlimitedtothevicinityofmetallicpiecesplacedinthemold(chills,inserts,chaplets,etc.)和上面一样,但只限于在金属薄片放入铸型的邻近区域(过冷物、冷铁嵌入物、芯撑等)Blowholes,adjacenttoinserts,chills,chaplets,etc.气孔,邻近过冷物、嵌入物、芯撑等B113(a)LikeB111,butaccompaniedbyslaginclusions(G122)象B111类型,但是伴有渣Slagblowholes渣气孔B120ClassB100cavitieslocatedatornearthecastingsurface,largelyexposedoratleastconnectedwiththeexteriorB100类型,位于或接近铸件表面,大部分暴露或与外部相连。B121(a)Exposedcavitiesofvarioussizes,isolatedorgrouped,usuallyatornearthesurface,withshinywalls裸露的各种大小的孔洞,单个的或是成片的,经常在表面附近,洞壁有点反光Surfaceorsubsurfaceblowholes表面或皮下气孔B122(a)Exposedcavities,inre-entrantanglesofthecasting,oftenextendingdeeplywithin裸露的孔洞,在铸件的转角处,经常延伸到铸件的内部Cornerblowholes,Draws拐角处气孔、吸气B123(a)Fineporosity(cavities)atthecastingsurface,appearingovermoreorlessextendedareas铸件表面小的孔洞,或多或少的有延伸Surfacepinholes表面针孔B124(a)Small,narrowcavitiesintheformofcracks,appearingonthefacesoralongedges,generallyonlyaftermachining小的、窄象裂纹一样的孔洞,在表面或边沿,通常加工后才发现Dispersedshrinkage分散的缩孔B200:Cavitieswithgenerallyroughwalls,shrinkage通常洞壁粗糙的孔洞,缩孔B210:OpencavityofClassB200,sometimespenetratingdeeplyintothecastingB200型的开放型孔洞,有时候穿透到铸件的内部B211(a)Open,funnel-shapedcavity;wallusuallycoveredwithdendrites开放式漏斗状孔洞,壁面常覆有树枝晶Openorexternalshrinkage开放式缩孔B212(a)Open,sharp-edgedcavityinfilletsofthickcastingsoratgatelocations开放式尖锐状孔洞,在厚大铸件的圆角处或浇口位置Cornerorfilletshrinkage圆角处缩孔B213(a)Opencavityextendingfromacore从砂芯延伸出来的开放式孔洞Coreshrinkage砂芯缩孔B220:ClassB200cavitylocatedcompletelyinternaltothecastingB200型孔洞,完全在铸件内部B221(a)Internal,irregularlyshapedcavity;walloftendendritic内部不规则,孔壁呈树枝晶状Internalorblindshrinka内部缩孔B222(a)Internalcavityorporousareaalongcentralaxis沿着中心轴线的内部孔洞或多孔区域Centerlineoraxialshrinkage中心轴线缩孔B300:Porousstructurescausedbynumeroussmallcavities由大量小孔洞引起的多孔结构B311:CavitiesaccordingtoB300,scarcelyperceptibletothenakedeyeB311(a)Dispersed,spongydendriticshrinkagewithinwallsofcasting;barelyperceptibletothenakedeye铸件壁上有分散的、多孔的树枝晶缩孔,裸眼很难发现Macro-ormicro-shrinkage,shrinkageporosity,leakers宏观或微观性缩孔,渗漏DiscontinuitiesC100:Discontinuities,generallyatintersections,causedbymechanicaleffects(rupture)断裂,通常在横断面,由机加工影响产生的的断裂C110:Normalcracking普通裂纹C111(a)Normalfractureappearance,sometimeswithadjacentindentationmarks一般的外观破裂,有时候邻近区域伴有压痕Breakage(cold)断裂C120:CrackingwithoxidationC121(a)Fracturesurfaceoxidizedcompletelyaroundedges边缘处断裂面完全氧化Hotcracking热裂C200:Discontinuitiescausedbyinternaltensionandrestraintstocontraction(cracksandtears)由内应力和内部收缩造成的断裂C210:ColdcrackingortearingC211(a)Discontinuitieswithsquarededgesinareassusceptibleto

1 / 17
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功