【英文标准名称】:Pneumaticfluidpower-Assessmentofcomponentreliabilitybytesting-Part2:Directionalcontrolvalves
【原文标准名称】:气压传动.通过测试评定元件的可靠度.第2部分:方向控制阀
【标准号】:ISO19973-2-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-08-01
【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/TC131
【标准类型】:()
【标准水平】:()
【中文主题词】:评定;元部件;能量;流体技术;气动设备;气动阀;气动力学;可靠度;测试;阀门
【英文主题词】:Assessment;Components;Energy;Fluidtechnology;Pneumaticequipment;Pneumaticvalve;Pneumatics;Reliability;Testing;Valves
【摘要】:ThispartofISO19973providestestproceduresfordeterminingthereliabilityofpneumaticdirectionalcontrolvalvesbytestingandthemethodsofreportingtheresultsoftesting.Generaltestconditionsandthecalculationmethodareprovidedinpart1ofISO19973.ThemethodsspecifiedinthatpartofISO19973applytothefirstfailurewithoutrepairs,butexcludeoutliers.Thelifetimeofpneumaticandelectro-pneumaticdirectionalcontrolvalvesisusuallygivenasanumberofcycles.Therefore,whenevertheterm“time”isusedinthispartofISO19973,thisvariableisbeunderstoodascycles.ThispartofISO19973alsospecifiestestequipmentandthresholdlevelsforteststodeterminethereliabilityofpneumaticdirectionalcontrolvalves.
【中国标准分类号】:J20
【国际标准分类号】:23_100_01
【页数】:19P.;A4
【正文语种】:英语


Product Code:SAE AMS4167
Title:Aluminum Alloy, Extrusions, 5.6zn 2.5mg 1.6cu 0.23cr (7075-T73511) Solution Heat Treated, Stress Relieved By Stretching, and Overaged
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope: This specification covers an aluminum alloy in the form of extruded bars, rods, wire, shapes, and tubing.
Rationale: This specification covers an aluminum alloy in the form of extruded bars, rods, wire, shapes, and tubing.