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SAE ARP813 Maintainability Recommendations for Aircraft Wheel and Brake Design

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Product Code:SAE ARP813
Title:Maintainability Recommendations for Aircraft Wheel and Brake Design
Issuing Committee:A-5a Wheels, Brakes And Skid Controls Committee
Scope: This SAE Aerospace Recommended Practice (ARP) recommends the maintainability features which should be considered in the design of aircraft wheels and brakes. The effect on other factors, such as, cost, weight, reliability, and compatibility with other systems should be weighed before the incorporation of any of these maintainability features into the design.
Rationale: This SAE Aerospace Recommended Practice (ARP) recommends the maintainability features which should be considered in the design of aircraft wheels and brakes. The effect on other factors, such as, cost, weight, reliability, and compatibility with other systems should be weighed before the incorporation of any of these maintainability features into the design.
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【英文标准名称】:Plainwashers.Largeseries.ProductgradeC
【原文标准名称】:平垫圈.大型系列.产品等级C级
【标准号】:BSENISO7093-2-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-09-15
【实施或试行日期】:2000-09-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:验收规范;交货条件;名称与符号;尺寸规格;紧固件;产品等级;特性;可拆零件;浅;规范(验收);规格;公差(测量);垫圈
【英文主题词】:Acceptancespecification;Deliveryconditions;Designations;Dimensions;Fasteners;Productgrades;Properties;Separatingparts;Shallow;Specification(approval);Specifications;Tolerances(measurement);Washers
【摘要】:ThispartofISO7093specifiesthecharacteristicsoflarge-series,product-grade-Cplainwashersinthe100HVhardnessclass,ofnominalsizes(nominalthreaddiameters)rangingfrom3mmto36mminclusive.WashersconformingtothispartofISO7093areintendedforuseincaseswheresoftmaterialpiecesaretobeclampedorwheretherearelargeclearanceholesintheworkpiece.Nevertheless,inthelattercase,thesuitabilityofthewasherthicknessshouldbechecked.Washersofhardnessclass100HVaresuitablefor:—hexagonboltsandscrewsofproductgradeCinpropertyclassesuptoandincluding6.8;—hexagonnutsofproductgradeCinpropertyclassesuptoandincluding6;—case-hardenedthreadrollingscrews.IfdimensionsotherthanthoselistedinthispartofISO7093arerequired,theyshouldbeselectedfromthosegiveninISO887.
【中国标准分类号】:J13
【国际标准分类号】:21_060_30
【页数】:14P.;A4
【正文语种】:英语


【英文标准名称】:StandardGuideforCalculatingandReportingMeasuresofPrecisionUsingDatafromInterlaboratoryWearorErosionTests
【原文标准名称】:用实验室间磨损和浸蚀试验数据计算和报告精密度的的标准指南
【标准号】:ASTMG117-2002(2007)
【标准状态】:现行
【国别】:
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:G02.20
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:材料试验;额定值;实验室试验;精密度
【英文主题词】:erosion;precision;repeatability;reproducibility;wear
【摘要】:ThisguideisintendedtoassistindevelopingstatementsofprecisionandsupportingdatathatwillbeusedinCommitteeG02standards.ThemethodsandapproacharedrawnfromPracticeE177andE691.ItwasfeltthatpreparationofthisguideanditsuseinCommitteeG02wouldleadtoappropriatestatisticalanalysesandmoreuniformityinG02standardsregardingreportingofinterlaboratoryresultsandprecision.TheguideisnotmeanttosubstituteforpossibleuseofPracticesE177orE691indevelopingcommitteestandards.1.1Thisguidecoversandoffersdirectiononthehandlingofdatafrominterlaboratorytestsforwearorerosion.ItdescribesaformatforenteringdataandforsubsequentlyreportingresultsonmeasuresofprecisioninaCommitteeG02standard.Itindicatesmethodsforcalculationoftheneededstatisticalquantities.1.2ThisguideoffersguidancebasedonaCommitteeG02consensus,andexistsforthepurposeofemphasizingtheneedtouseestablishedstatisticalpractices,andtointroducemoreuniformityinreportinginterlaboratorytestresultsinCommitteeG02standards.1.3Anexampleofhowthemethodsdescribedinthisguidemaybeappliedisavailableinpersonalcomputerformat(DOStypesystem)onfloppydiskasaspreadsheet(LOTUS,rel.4)file.Thepurposeistofacilitateuseofthemethodsinthisguide.Theexamplefilecontainsallneededequationsintherecommendedformatandcanbeeditedtoacceptnewdata.ASTMHeadquartersortheChairmanofG02shouldbecontactedforacopyofthatcomputerfile.Theusermusthavespreadsheetsoftware(forexample,LOTUSorcompatible)available.1.4ThemethodsusedinthisdocumentareconsistentwithPracticesE691andE177,andwithADJE0691,ConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod.
【中国标准分类号】:N04
【国际标准分类号】:17_040_20;19_060
【页数】:6P.;A4
【正文语种】: