【英文标准名称】:StandardPracticesforForceVerificationofTestingMachines
【原文标准名称】:试验机力验证的标准实施规程
【标准号】:ASTME4-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:E28.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:calibration;forcerange;resolution;verification;Calibration--loadtestingmachines;Constantrate-of-traverse(CRT)test;Forceverification;Load-measuringmachines;Testingmachines;Verification
【摘要】:Testingmachinesthatapplyandindicateforceareusedinmanyindustries,inmanyways.Theymaybeusedinaresearchlaboratorytomeasurematerialproperties,andinaproductionlinetoqualifyaproductforshipment.Nomatterwhattheenduseofthemachinemaybe,itisnecessaryforuserstoknowtheamountofforcethatisappliedandindicated,andthattheaccuracyoftheforceistraceabletotheNationalInstituteofStandardsandTechnology(NIST),formerlyNBS.PracticesE4providesaproceduretoverifythesemachines,inorderthattheindicatedforcesmaybetraceable.AkeyelementtothisNISTtraceabilityisthatthedevicesusedintheverificationhaveknownforcecharacteristics,andhavebeencalibratedinaccordancewithPracticeE74.TheproceduresinPracticesE4maybeusedbythoseusing,manufacturing,andprovidingcalibrationservicefortestingmachinesandrelatedinstrumentation.1.1Thesepracticescoverproceduresfortheforceverification,bymeansofstandardcalibrationdevices,oftensionorcompression,orboth,staticorquasi-statictestingmachines(whichmay,ormaynot,haveforce-indicatingsystems).Thesepracticesarenotintendedtobecompletepurchasespecificationsfortestingmachines.Testingmachinesmaybeverifiedbyoneofthethreefollowingmethodsorcombinationthereof:1.1.1Useofstandardweights,1.1.2Useofequal-armbalancesandstandardweights,or1.1.3Useofelasticcalibrationdevices.Note18212;Thesepracticesdonotcovertheverificationofalltypesoftestingmachinesdesignedtomeasureforces,forexample,theconstant-rate-of-loadingtypewhichoperatesontheinclined-planeprinciple.ThistypeofmachinemaybeverifiedasdirectedintheapplicableappendixofSpecificationD76.1.2Theproceduresof1.1.1-1.1.3applytotheverificationoftheforce-indicatingsystemsassociatedwiththetestingmachine,suchasascale,dial,markedorunmarkedrecorderchart,digitaldisplay,etc.Inallcasesthebuyer/owner/usermustdesignatetheforce-indicatingsystem(s)tobeverifiedandincludedinthereport.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3.1Sinceconversionfactorsarenotrequiredinthispractice,eitherinch-poundunits,SIunits,ormetricvaluescanbeusedasthestandard.1.4Forcesindicatedondisplays/printoutsoftestingmachinedatasystemsbetheyinstantaneous,delayed,stored,orretransmittedwhichareverifiedwithprovisionsof1.1.1,1.1.2,or1.1.3,andarewithinthex00B1;1%accuracyrequirement,complywithPracticesE4.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N70
【国际标准分类号】:19_060
【页数】:10P.;A4
【正文语种】:英语
基本信息
标准名称: | 照相机 高、低温试验方法 |
英文名称: | High-temperature and low-temperature test method for cameras |
中标分类: |
仪器、仪表 >>
电影、照相、缩微、复印设备 >>
照相机与照相器具 |
ICS分类: |
成像技术 >>
摄影技术 >>
摄影设备、投影仪
|
替代情况: | JB/T 8250.5-1995(原标准号GB 8343-1987) |
发布部门: | 国家机械工业局 |
发布日期: | 1999-08-06 |
实施日期: | 2000-01-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
提出单位: | 全国照相机械标准化技术委员会 |
归口单位: | 全国照相机械标准化技术委员会 |
起草单位: | 杭州照相机械研究所 |
起草人: | 冯晓升 |
出版社: | 机械工业出版社 |
出版日期: | 2000-01-01 |
页数: | 4页 |
适用范围
本标准视定了小型照相机等单项产品的高、低温试验方法。
本标准通用于小型照相机的高、低温试验,也适用于快门等单项产品的高、低温试验.
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类: 仪器 仪表 电影 照相 缩微 复印设备 照相机与照相器具 成像技术 摄影技术 摄影设备 投影仪