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SAE AS7479 Bolts and Screws, Steel, Corrosion and Heat Resistant 1650 掳F Solution Heat Treated Precipitation Heat Treate

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Product Code:SAE AS7479
Title:Bolts and Screws, Steel, Corrosion and Heat Resistant 1650 掳F Solution Heat Treated Precipitation Heat Treated Before Roll Threaded
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:This procurement specification covers aircraft quality bolts and screws made from a corrosion and heat resistant age hardenable iron base alloy of the type identified under the Unified Numbering System as UNS S66286, and of 130 000 psi tensile strength at room temperature, with maximum test temperature of parts at 1200 掳F.
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【英文标准名称】:StandardTestMethodforMeasuringtheCoefficientofRestitution(COR)ofBaseballsandSoftballs
【原文标准名称】:测量棒球和垒球回弹系数的标准试验方法
【标准号】:ASTMF1887-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:F08.26
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:ballliveliness;ballresilience;baseball;coefficientofrestitution;softball;Ballliveliness/resilience;Baseballequipment/applications;Coefficientofrestitution(COR);Softballequipment;Sportsequipment
【摘要】:Theballcoefficientofrestitutionisaballdynamicpropertyofrelativevelocitychangecausedbyimpactwitharigidwall.Thistestmethodissuitableforobtainingdatainresearchanddevelopment,qualitycontrol,andclassifyingballsbyliveliness.Sportsassociationscanusecoefficientofrestitutionstandardsinspecificationsforofficialbaseballsandsoftballs.Thissametestprocedurecanbeutilizedatimpactspeedsotherthenthatprescribedinthisprocedureandsonotedinanyreportedtestresults.1.1Thisprocedureisintendedtostandardizeamethodofmeasuringthecoefficientofrestitution(COR)ofbaseballsandsoftballs.1.2Thisprocedureisestablishedtoprovideasingle,repeatable,anduniformtestmethod.1.3Thisprocedureisforaballthatisintendedforuseinthegameofbaseballorsoftball.1.4Thetestmethodisbasedonballspeedmeasurementsbeforeandafterimpactwitheitheroftwotestsurfaces:woodormetal.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y56
【国际标准分类号】:97_220_40
【页数】:3P.;A4
【正文语种】:英语


【英文标准名称】:Aerospaceseries.Bearings,airframerolling.Rigidsinglerowballbearingsinsteel,cadmiumplated.Diameterseries8and9.Dimensionsandloads.
【原文标准名称】:航空航天系列.飞机骨架滚动轴承.刚性单排钢质镉板球轴承.直径系列8和9.尺寸和负荷
【标准号】:NFL31-261-1994
【标准状态】:现行
【国别】:法国
【发布日期】:1994-09-01
【实施或试行日期】:1994-09-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:飞机机架轴承;钢;航天运输;静荷载;轴承;符号;尺寸;规范(验收);特性;航空航天运输;间隙;安全工作荷载;镀镉;滚珠轴承;单排;材料;内间隙;航空运输;镉板;单列轴承;飞机机架;扭矩;有槽球轴承;负荷
【英文主题词】:
【摘要】:
【中国标准分类号】:V22
【国际标准分类号】:49_035
【页数】:6P;A4
【正文语种】:其他