【英文标准名称】:Knurling
【原文标准名称】:滚花
【标准号】:ASMEB94.6-1984
【标准状态】:现行
【国别】:美国
【发布日期】:1984
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:直径;滚花刀;滚花刀;磨床;滚花;机床;作标记;尺寸;定义;型式
【英文主题词】:Definitions;Diameter;Dimensions;Grindingmachines;Knurling;Knurlingtools;Knurls;Machinetools;Marking;Types
【摘要】:ThisStandardcoversknurlingtoolswithstandardizeddiametralpitchesandincludesdimensionalrelationswithstockintheproductionofstraight,diagonal,anddiamondknurlingoncylindricalsurfaceshavingteethofuniformpitchparalleltotheaxisofthecylinderoratahelixanglenotexceeding45deg.withaxisofwork.Suchknurlingismadebydisplacementofthematerialonthesurfacewhenrotatedunderpressureagainstaknurlingtool.Thesetoolsandrecommendationsareequallyapplicabletogeneralpurposeandprecisionknurling.Inbrief,theadvantageofthismethodistheprovisionbywhichgoodtracking(theabilityofteethtomeshasthetoolpenetratestheworkblankinsuccessiverevolutions)isobtainedbytoolsdesignedonthebasisofdiametralpitchinsteadoftpi(teethperinch)whenusedwithrecommendedworkblankdiametersthataremultiplesof1/64or1/32in.,dependinguponthepitchselected.Thisshouldimprovetheuniformityandappearanceofknurling,eliminatethecostlytrialanderrormethods,reducethefailureofknurlingtoolsandproductionofdefectivework,aswellasdecreasethenumberoftoolsrequired.
【中国标准分类号】:J41
【国际标准分类号】:25_080_50
【页数】:21P.;A4
【正文语种】:英语


【英文标准名称】:Methodsoftestforcerealsandpulses-Determinationofimpuritiesofanimalorigininwheatflouranddurumwheatsemolina
【原文标准名称】:谷物和豆类试验方法.第29部分:面粉和硬质小麦面粉中动物因素杂质测定
【标准号】:BS4317-29-1993
【标准状态】:现行
【国别】:英国
【发布日期】:1993-10-15
【实施或试行日期】:1993-10-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:小麦;分离法(化学分析);再现性;谷类作物;谷类粉;作物粉;谷物产品;面粉;过滤;谷物食品;污染物测定(食品);污染物;显微分析;食品检验;食品;试验条件;试验设备
【英文主题词】:Agriculturalproducts;Cerealproducts;Determination;Determinationofcontent;Flour;Foodproducts;Impurities;Microscopicanalysis;Semolina;Testing;Tests;Wheat
【摘要】:ThisInternationalStandardspecifiesamethodfordeterminingthecontentofimpuritiesofanimalori-gininwheatflours,withorwithoutadditivesandhavinganashyieldnotexceeding0,63%(m/m),andindurumwheatsemolinas.Thismethodpermitstheseparationandquantificationofcontaminationofanimalorigin,e.ginsectsatallstagesoftheirdevelopment,insectfragments,mitesandtheirfragments,androdenthairsandtheirfragments.
【中国标准分类号】:B23;B22
【国际标准分类号】:67_060
【页数】:16P;A4
【正文语种】:英语