【英文标准名称】:Gearhobs-Accuracyrequirements
【原文标准名称】:齿轮滚刀.精度要求
【标准号】:ISO4468-2009
【标准状态】:现行
【国别】:国际
【发布日期】:2009-06
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC60
【标准类型】:()
【标准水平】:()
【中文主题词】:准确度;测量精度;定义;偏差;尺寸公差;齿轮滚刀;齿轮;齿轮加工机床;铣刀;精密度;单头;规范(验收);公差(测量)
【英文主题词】:Accuracy;Accuracyofmeasurement;Definitions;Deviations;Dimensionaltolerances;Gearhobs;Gearwheels;Gear-cuttingmachines;Millingcutters;Precision;Single-start;Specification(approval);Tolerances(measurement)
【摘要】:ThisInternationalStandardspecifiesrequirementsfortheaccuracyofgeneral-purposehobsof0,5moduleto40module.ThesehobsareintendedforproducinggearswhichconformtoISO53andISO54.ThisInternationalStandardappliestohobsforspurandhelicalgears.Itappliestosolid(monobloc)andinsertedbladehobs.Theelementalfeaturesofhobsaregradedaccordingtoaccuracy,asfollows:?Grade4A;?Grade3A;?Grade2A:?GradeA;?GradeB;?GradeC;?GradeD.Grade4Aisthehighestorderofprecision.Inadditiontotheelementaltestsforhobs,thisInternationalStandardgivespermittedtolerancesforcompositeteststhataretakenalongthecuttingedgesonthelineofaction.Thetwogroupsoftestsarenotequivalentandoneshallchoosebetweenoneortheother.Iftherewasnopreviousagreement,thehobisregardedasbelongingtotheprecisionclassspecifiedifitsatisfiesoneortheotherofthetwomethodsofinspection.NOTEThetolerancesinthisInternationalStandardweredeterminedforgearhobswhosedimensionsconformtoISO2490,butwithcertainprecautionstheycanbeappliedtohobsnotspecifiedinthisInternationalStandard.
【中国标准分类号】:J17
【国际标准分类号】:21_200
【页数】:38P.;A4
【正文语种】:英语