SAE AS8020 Minimum Performance Standards for Engine Driven Dc Generators/ Starter-Generators and Associated Voltage Regu

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Product Code:SAE AS8020
Title:Minimum Performance Standards for Engine Driven Dc Generators/ Starter-Generators and Associated Voltage Regulators
Issuing Committee:Ae-7a Generators And Controls Motors And Magnetic Devices
Scope:This Aerospace Standard (AS) covers the general minimum performance standards for generators/starter-generators and associated voltage regulators for use in direct current (DC) electric systems for civil aircraft.
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【英文标准名称】:Plastics-Polystyrene(PS)mouldingandextrusionmaterials-Part2:Preparationoftestspecimensanddeterminationofproperties
【原文标准名称】:塑料聚苯乙烯(PS)模塑和挤塑材料第2部分:试样的制备和性能的测定
【标准号】:ISO1622-2-1995
【标准状态】:现行
【国别】:国际
【发布日期】:1995-05
【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/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:挤压成型;试验;聚苯乙烯;模制材料;试样;测定;特性;塑料;试样制备;模塑材料
【英文主题词】:Abbreviations;Bendingstrength;Breakingstrength;Combustibility;Compressionmouldedmaterials;Determination;Electrical;Electricalequipment;Extrusion;Ignitability;Inspectionbyattributes;Materials;Mouldingmaterials;Mouldings(shapedsection);Plastics;Plasticsprocessings;Polymerisates;Polymers;Polystyrene;Production;Properties;PS;Samples;Samplingmethods;Shape;Specimenpreparation;Terms;Testresults;Testspecimens;Testing;Thermoplasticpolymers
【摘要】:Cancelsandreplacesthefirstedition(1980).SpecifiesthemethodsofpreparationoftestspecimensandthetestmethodstobeusedindeterminingthepropertiesofPSmouldingandextrusionmaterials.Givesrequirementsforhandlingtestmaterialandforconditioningboththetestmaterialbeforemouldingandthespecimensbeforetesting.Givesproceduresandconditionsforthepreparationoftestspecimensandproceduresformeasuringpropertiesofthematerialsfromwhichthesespecimensaremade.ListspropertiesandtestmethodswhicharesuitableandnecessarytocharacterizePSmouldingandextrusionmaterials.
【中国标准分类号】:G32
【国际标准分类号】:83_080_20
【页数】:5P;A4
【正文语种】:英语


【英文标准名称】:Founding-Surfaceroughnessinspectionbyvisualtactilecomparators;GermanversionEN1370:1996
【原文标准名称】:铸造.用目视比对试样检验表面粗糙度
【标准号】:DINEN1370-1997
【标准状态】:作废
【国别】:德国
【发布日期】:1997-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;铸造生产;铸件;铝合金;测量技术;规范(验收);表面粗糙度;表面检验;粗糙度(表面);千分表;铸造(学);比较;铜;铸造学;比对样品;铸铁;钢;表面
【英文主题词】:Aluminiumalloys;Castings;Cast-iron;Comparison;Comparisonspecimen;Copper;Dialgauges;Foundries;Foundryengineering;Foundrypractice;Measuringtechniques;Roughness(surface);Specification(approval);Steels;Surfaceinspections;Surfaceroughness;Surfaces;Testing
【摘要】:Thedocumentdescribesamethodfortheevaluationofcastingroughnessbymeansofvisualtactilecomparators.Themethodisapplicabletoallcastingprocessesforallcastmaterials.Themethodcanbeusedfortheassessmentofcastingsorareasofcastingsintheas-castcondition(beyondremovalofcastingappendages,suchasgates,risersandflashandremovalofresiduesofthemouldingmaterial).Themethoddoesnotgiveameansofdeterminingthequalityofcastingsbyvisualexamination.However,sincenon-destructivetesting(ultrasonic,dyepenetrantetc.)isinfluencedbysurfacecondition,preliminaryroughnessevaluationmaybemadeusingthismethodasanaidtosubsequentnon-destructivetestingexamination.#,,#
【中国标准分类号】:J31
【国际标准分类号】:17_040_20;77_180
【页数】:8P.;A4
【正文语种】:德语