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MIL-W-89012 (AMENDMENT 2)

作者:标准资料网 时间:2024-05-14 04:38:46  浏览:9255   来源:标准资料网
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MIL-W-89012 (AMENDMENT 2), MILITARY SPECIFICATION: WORLD VECTOR SHORELINE (30 NOV 1992)., This amendment forms a part of MIL-W-89012, dated 27 July 1990, and is approved for use by all Departments and Agencies of the Department of Defense.
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【英文标准名称】:Plastics-Determinationofflexuralproperties(ISO178:2010);GermanversionENISO178:2010
【原文标准名称】:塑料.弯曲性能测定(ISO178-2010);德文版本ENISO178-2010
【标准号】:ENISO178-2010
【标准状态】:现行
【国别】:
【发布日期】:2011-04
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Bendtesting;Bendingstiffness;Bendingstrength;Conditioning;Conditioningclimate;Definitions;Determination;Flexibility;Flexuralcreep;Flexuralstrength;Interpretations;Materialtestingmachines;Materialstesting;Mathematicalcalculations;Plastics;Polymers;Precision;Rigid;Testatmospheres;Testequipment;Testspecimens;Testing;Thermoplasticpolymers;Thermosettingpolymers;Three-pointloading
【摘要】:
【中国标准分类号】:
【国际标准分类号】:83_080_01
【页数】:24P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforMeasurementofCutResistancetoChainSawofFootProtectiveDevices
【原文标准名称】:量护脚设备耐链锯切割的标准试验方法
【标准号】:ASTMF1458-2004(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:F23.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:chainsaw;cutresistance;footprotectivedevices;footwear;gaiters;liners;Chainsaw;Cutresistance;Footprotectivedevices;Gaiters;Liners;Performance--protectiveclothing/materialsapplications
【摘要】:Thepurposeofthistestmethodistoprovideameasurablecriterionofperformancedefiningthelevelofcutresistancetothecuttingactionofasawchainprovidedbyfootprotectivedevices.Theprotection,whichcanbedemonstratedbythefootprotectivedevices,testedinaccordancewiththistestmethod,isachievedby(1)thematerialresistingcuttingwhenputincontactwiththemovingsawchain;(2)apartofthematerialbeingdrawnintothesawchainanddrivemechanismtoblockthesawchainmovement;(3)thematerialsresistingcuttingandabsorbingrotationalenergysothatsawchainspeedcanbesloweddownsufficientlytostopthemovementofthesawchain;or(4)anycombinationofthese.Incaseofadisputearisingfromdifferencesinreportedtestresults,whenusingthistestmethodforacceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldperformcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensfromthesamelotofcomponentstobeevaluated.Thetestspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.Ifabiasisfound,eitheritscausemustbedeterminedandcorrected,orthepurchaserandthesuppliermustagreetointerpretfuturetestresultsinlightoftheknownbias.1.1Thistestmethodmeasurescutresistanceoffootprotectivedevicesthataredesignedtoprotectthefootwhenoperatingachainsaw.1.2Thistestmethodmaybeusedtotestforcompliancetominimumperformancerequirementsinestablishedsafetystandards.1.2.1Byagreementbetweenthepurchaserandthesupplier,orasrequiredbyestablishedsafetystandards,thistestmethodcanbeusedtodetermineanyoneorbothofthefollowing:(1)chainspeed50(CS50),(2)success/failure(jamming/chainstop)atspecifiedchainspeed.1.3Thistestmethodmaybeusedtodeterminelevelsofprotectionforareasofcoverageasstipulatedinestablishedsafetystandards.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Note18212;Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother,withoutcombiningvaluesinanyway.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C73
【国际标准分类号】:13_340_10
【页数】:8P.;A4
【正文语种】:英语



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