增强功能的冲压用硬质合金

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1、CementedCarbidewithEnhancedFunctionalPropertiesforToolingusedinStampingApplications增强功能的冲压用硬质合金Overview目录Gradeselectionconsiderations牌号选择要点Impact,CorrosionandWear冲击，腐蚀还是磨损Gradeselectionforstampingtooling冲压模具用牌号选择Casehistory……..350%increaseinstampingproductivity案例：冲压

2、效率提高350%Summary总结GradeSelectionConsiderations牌号选择要点Howdowerecommendorcreateagradeforaspecificapplicationsuchasstamping?对于每一个具体的应用，我们如何推荐或者新建一个牌号，例如冲压？Whatisthefailuremechanism?Wear,Chippingor…失效机制是什么?磨损，崩口还是……RequirementsofeachseparatetoolelementwithinaStampingDieAssem

3、bly…整个冲压模具组合中，对每一个单独模具元素的要求……ThewholeDieSetmustbeabletowithstandtheradialpressureduringtheoperationstoholdthetolerancesinthehorizontalcross-sectionofthecomponenttobeformed.整个模具组合必须能够经受运行中的径向压力来保持冲压件成型的水平横截面的公差。TheDie(CarbideDieInsertsandPunches)experiencesimpactandsli

4、dingwearandquiteoftenseesabrasivewearpatternsduringprogressivestamping,especiallyonthickercomponents.Italsoseesadhesivewearthroughfrictionbecauseofthemetal-to-metalmotionofthetoppunchsectionswhenleavingthedie.硬质合金模具（镶件和冲头）在级进冲压中经受冲击力和滑动磨损因此磨耗性磨损经常发生，尤其在冲压厚零件的时候。摩擦产生的附着性

5、磨损也是常见的，原因在于冲头的顶端部分离开下模时和被冲压材料的运动。Whatarethesewearpatternsandhowaretheyformed?...这些磨损的类型是什么，它们是怎么形成的呢？……StampingDiescanseethesetypesofwearundernormalworkingconditions:冲压模具在通常工作状况下可见以下几种磨损情况：AbrasiveWear磨粒磨损AdhesiveWear黏附磨损CorrosiveWear腐蚀性损耗Impact冲击Therefore,toolssho

6、uldeffectivelyresistwear,corrosion,gallingandimpact…因此，模具应该有效地耐磨，耐腐蚀，耐刮花和耐冲击……Abrasivewear(Abrasion):isthemostcommonformofwearinindustry.Itisdefinedas:'Theactionofahard,sharpmaterialcuttingthroughthesurfaceofasoftermaterial'磨粒磨损是工业上最常见的磨损形式。定义为：一种硬的，尖锐的材料从一种较软的材料表面切割过的行

7、为。Rightpicture:Highmagnificationofapunchedgeshowsacharacteristicpatterncausedbyabrasivewear.右图:高倍显微镜下冲头切割刃上的磨粒磨损现象.AdhesiveWear:Adhesivewearoccurswhensoft,adhesiveworkmaterials,suchasaluminum,copper,stainlesssteels,andlow-carbonsteels,areused.Conditionsthatincreaseadhes

8、iveweararehighfrictionandheavyloading.黏附磨损当冲压软的，粘性的材料时，例如铝，铜，不锈钢和低碳钢等，黏附性磨损就产生了。摩擦力大和受力重时，黏附性磨损就会严重些。Galling: