GB/T 13292-1991 涂层硬质合金分类和涂层主要技术要求
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基本信息
标准名称: | 涂层硬质合金分类和涂层主要技术要求 |
英文名称: | Classification of coated hardmetal and main technical specifications for coating |
中标分类: |
冶金 >>
粉末冶金 >>
粉末冶金材料与制品 |
ICS分类: |
机械制造 >>
表面处理和涂覆
|
发布部门: | 国家技术监督局 |
发布日期: | 1991-01-02 |
实施日期: | 1992-10-01 |
首发日期: | 1991-12-13 |
作废日期: | 2005-10-14 |
主管部门: | 中国有色金属工业协会 |
归口单位: | 全国有色金属标准化技术委员会 |
起草单位: | 株洲硬质合金厂 |
出版日期: | 1900-01-01 |
页数: | 平装16开, 页数:5, 字数:5000 |
适用范围
本标准规定了涂层硬质合金的分类和涂层主要技术要求。本标准适用于钢材(长切屑材料)、铸铁(短切屑材料)和其他材料切削加工用化学气相沉积涂层硬质合金。
前言
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引用标准
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所属分类: 冶金 粉末冶金 粉末冶金材料与制品 机械制造 表面处理和涂覆
【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part3-7:Data-linklayerservicedefinition-Type7elements(IEC61158-3-7:2007);EnglishversionEN61158-3-7:2008,onlyonCD-ROM
【原文标准名称】:工业通讯网络.现场总线规范.第3-7部分:数据联络层设备定义.7型元件.仅为CD-ROM
【标准号】:DINEN61158-3-7-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-09
【实施或试行日期】:2008-09-01
【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】:总线系统;总线;电路网络;通信;控制设备;控制系统;控制工艺学;数据通信;数据链层;数据连接系统;数据处理;数据设备;数据传送;定义;数字的;数字数据;数字工程;电子数据处理;电气工程;电子仪器;电子系统;英语;现场总线;制导系统;工业的;工业设施;信息交换;信息处理;信息技术;接口(数据处理);链路层;开放系统互连;OSI;过程控制;过程控制工程;过程控制系统;信号;规范;规范(验收);传输媒质;世界FIP
【英文主题词】:Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Controlequipment;Controlsystems;Controltechnology;Datacommunication;Datalinklayers;Datalinksystem;Dataprocessing;Dataservices;Datatransfer;Definition;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electricalengineering;Electronicinstruments;Electronicsystems;Englishlanguage;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);Linklayers;Opensystemsinterconnection;OSI;Processcontrol;Processcontrolengineering;Processcontrolsystems;Signals;Specification;Specification(approval);Transmissionmedia;WorldFIP
【摘要】:1.1OverviewThispartofIEC61158providescommonelementsforbasictime-criticalmessagingcommunicationsbetweendevicesinanautomationenvironment.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.ThisstandarddefinesinanabstractwaytheexternallyvisibleserviceprovidedbytheType7fieldbusdata-linklayerintermsofa)theprimitiveactionsandeventsoftheservice;b)theparametersassociatedwitheachprimitiveactionandevent,andtheformwhichtheytake;andc)theinterrelationshipbetweentheseactionsandevents,andtheirvalidsequences.Thepurposeofthisstandardistodefinetheservicesprovidedto?theType7fieldbusapplicationlayerattheboundarybetweentheapplicationanddata-linklayersofthefieldbusreferencemodel,and?systemsmanagementattheboundarybetweenthedata-linklayerandsystemsmanagementofthefieldbusreferencemodel.1.2SpecificationsTheprincipalobjectiveofthisstandardistospecifythecharacteristicsofconceptualdata-linklayerservicessuitablefortime-criticalcommunications,andthussupplementtheOSIBasicReferenceModelinguidingthedevelopmentofdata-linkprotocolsfortime-criticalcommunications.Asecondaryobjectiveistoprovidemigrationpathsfrompreviously-existingindustrialcommunicationsprotocols.ThisspecificationmaybeusedasthebasisforformalDL-Programming-Interfaces.Nevertheless,itisnotaformalprogramminginterface,andanysuchinterfacewillneedtoaddressimplementationissuesnotcoveredbythisspecification,includinga)thesizesandoctetorderingofvariousmulti-octetserviceparameters,andb)thecorrelationofpairedrequestandconfirm,orindicationandresponse,primitives.1.3ConformanceThisstandarddoesnotspecifyindividualimplementationsorproducts,nordoesitconstraintheimplementationsofdata-linkentitieswithinindustrialautomationsystems.Thereisnoconformanceofequipmenttothisdata-linklayerservicedefinitionstandard.Instead,conformanceisachievedthroughimplementationofthecorrespondingdata-linkprotocolthatfulfillstheType7data-linklayerservicesdefinedinthisstandard.
【中国标准分类号】:N18;P76
【国际标准分类号】:35_100_20;35_160;35_240_50
【页数】:39P.;A4
【正文语种】:英语
Product Code:SAE AMS4307
Title:Aluminum Alloy, Extrusions, 6.4Zn - 2.4Mg - 2.2Cu - 0.12Zr (7150-T61511), Solution Heat Treated, Stress Relieved by Stretching, Straightened, and Precipitation Heat Treated (NONCURRENT)
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers an aluminum alloy in the form of extruded bars, rods, profiles, and tubing.