您的位置: 标准下载 » 协会标准 » SAE 美国机动车工程师学会 »

SAE J1790 Self-Propelled Sweepers and Scrubbers Steering Requirements Single-Circuit Hydraulic Servo-Assisted Systems

作者:标准资料网 时间:2024-05-02 07:54:39  浏览:8205   来源:标准资料网
下载地址: 点击此处下载
Product Code:SAE J1790
Title:Self-Propelled Sweepers and Scrubbers Steering Requirements Single-Circuit Hydraulic Servo-Assisted Systems
Issuing Committee:Mtc2, Sweeper, Cleaner, And Machinery
Scope:The SAE Standard applies to self-propelled, driver-operated sweepers and scrubbers as defined in SAE J2130.PurposeThe purpose of this document is to establish the minimum requirements for a steering mechanism that is of a single-circuit hydraulic servo-assisted system without any mechanical linkage to the road wheels, as typically depicted in Figure 1.
下载地址: 点击此处下载
【英文标准名称】:Magneticmaterials-Methodsofmeasurementofthemagneticpropertiesofelectricalsheetandstripbymeansofasinglesheettester
【原文标准名称】:磁性材料.通过单片试验片对电气片和带的磁性能测量的方法
【标准号】:BSEN10280-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2001-04-15
【实施或试行日期】:2001-04-15
【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】:薄板材;功率损耗;磁场强度;磁测量;电功率测量;电气设备;材料的磁性能;磁场测量;磁性材料;试验设备;带材
【英文主题词】:Electricalengineering;Magneticmaterials;Magneticproperties;Magneticstripes;Magnetictapes;Measuringtechniques;Sheettesters
【摘要】:ThisEuropeanStandarddefinesthegeneralprinciplesofthemeasurementofthemagneticpropertiesofelectricalsheetsandstripsbymeansofasinglesheettesterandgivesthetechnicaldetailsofthemeasurementofspecifictotallossandofmagneticfieldstrength,excitationcurrentandspecificapparentpower.ThisEuropeanStandardisapplicableatpowerfrequenciesto:a)grainorientedmagneticsheetandstrip:—forthemeasurementbetween1,0Tand1,8Tof:—specifictotalloss;—specificapparentpower;—r.m.s.valueofthemagneticfieldstrength;—forthemeasurementuptopeakvaluesofmagneticfieldstrengthof1000A/mof:—peakvalueofthemagneticpolarization;—peakvalueofthemagneticfieldstrength;b)non-orientedmagneticsheetandstrip:—forthemeasurementbetween0,8Tand1,5Tof:—specifictotalloss;—specificapparentpower;—r.m.s.valueofexcitationcurrent;—forthemeasurementuptopeakvaluesofmagneticfieldstrengthof10000A/mof:—peakvalueofthemagneticpolarization;—peakvalueofthemagneticfieldstrength.Thesinglesheettesterisapplicabletotestspecimensobtainedfromelectricalsheetsandstripsofanyquality.Themagneticcharacteristicsaredeterminedforasinusoidalinducedvoltage,forspecifiedpeakvaluesofmagneticpolarizationandforaspecifiedfrequency.Themeasurementsaremadeatanambienttemperatureof23℃±5℃ontestspecimenswhichhavefirstbeendemagnetized.NOTEThroughoutthisEuropeanStandardthequantity"magneticpolarization"isusedasdefinedinIEC60050(221).
【中国标准分类号】:L19
【国际标准分类号】:29_030
【页数】:22P.;A4
【正文语种】:英语