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【英文标准名称】:StandardTestMethodsforMeasuringHigh-SpeedBatPerformance
【原文标准名称】:测量高速球棒性能的标准试验方法
【标准号】:ASTMF2219-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:棒球;球棒;高速;测量;性能
【英文主题词】:baseballbats;baseballs;batperformance;BBCOR;BBS;BESR;COR;softballbats;softballs
【摘要】:Thesetestmethodsofferalaboratorymeasureoftheperformanceofbaseballandsoftballbats.Useofthesetestmethodscanprovidequantitativebatted-ballspeedandmetricsofbatperformance.1.1Thesetestmethodsdefineamethodfordeterminingbatperformancebymeasuringthebat-ballcoefficientofrestitution(BBCOR),derivingtheballexitspeedratio(BESR),andcalculatingabatted-ballspeed(BBS).Itisapplicabletobaseballandsoftballbatsofanyconstructionormaterial.Thetestmethodsprovidequantitativemeasuresofbatdynamicperformancethatmaybeusedforcomparisonpurposes.1.2TheBBCOR,BESR,andBBSareeachcalculatedfrommeasurementstakeninthelaboratoryontestequipmentmeetingtherequirementsdefinedinthisspecification.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y55
【国际标准分类号】:97_220_01
【页数】:5P.;A4
【正文语种】: