資源描述：
《GBT 4942.1-2006 旋轉(zhuǎn)電機(jī)整體結(jié)構(gòu)的防護(hù)等 級(jí)（IP代碼） 分級(jí)》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫(kù)。
1、29.160.01IKCS,蕩F3中華人民共和國(guó)國(guó)家標(biāo)準(zhǔn)GB/T4942.1-2006/IEC60034-5:2000代替GB/T4942.1-2001旋轉(zhuǎn)電機(jī)整體結(jié)構(gòu)的防護(hù)等級(jí)(IP代碼)分級(jí)DegreesofprotectionprovidedbytheintegraldesignofrotatingelectricalmachinedUPcode)-Classification(IEC60034-5:2000,Rotatingelectricalmachines-Part5:Degreesofprotectionprovidedbytheinte
2、graldesignofrotatingelectricalmachinesOPcode)-Classification,IDT)2006-03-06發(fā)布2006-08-01實(shí)施中華人民共和國(guó)國(guó)家質(zhì)量監(jiān)督檢驗(yàn)檢疫總局發(fā)布中國(guó)國(guó)家標(biāo)，準(zhǔn)化管理委員會(huì)GB/T4942.1-2006/IEC60034-5:2000目次前言··················································································································??m1范圍和
3、目的·····································································································??12規(guī)范性引用文件···························································，·····??，，，······................??13標(biāo)志···································································
4、·············································一14防護(hù)等級(jí)—第一位表征數(shù)字·········，···········································......................??L5防護(hù)等級(jí)—第二位表征數(shù)字··············································································??芝6標(biāo)志············································
5、··································，······························??刁7一般試驗(yàn)要求······················，··········································································??98第一位表征數(shù)字的試驗(yàn)·················································································......??月9第二
6、位表征數(shù)字的試驗(yàn)······································································.....??，，.??〔10開(kāi)啟式氣候防護(hù)型電機(jī)的試驗(yàn)和要求···································································??EGB/T4942.1-2006/IEC60034-5:2000月1呂本部分等同采用IEC60034-5:2000《旋轉(zhuǎn)電機(jī)整體結(jié)構(gòu)的防護(hù)等級(jí)(IP代碼)分級(jí)》，并采用了2001年6月IEC頒布的1號(hào)勘
7、誤中對(duì)圖5的修改，勘誤中對(duì)圖6的修改沒(méi)采納，即圖6中噴嘴的出口直線部分長(zhǎng)度仍保持8mm，是為了與現(xiàn)行有效的IEC60529《外殼防護(hù)等級(jí)(UP代碼)》保持一致本部分是對(duì)GB/T4942.1-2001的修訂，從實(shí)施之日起即代替GB/T4942.1-2001。本標(biāo)準(zhǔn)與GB/T4942.1-2001相比，技術(shù)內(nèi)容的主要改變?yōu)?a)標(biāo)準(zhǔn)的題目有所變動(dòng)，由前一版本的“旋轉(zhuǎn)電機(jī)外殼防護(hù)分級(jí)(IP代碼)”改為“旋轉(zhuǎn)電機(jī)整體結(jié)構(gòu)的防護(hù)等級(jí)(Op代碼)分級(jí)”。b)第3章“目的”合到第1章“范圍”中，因此對(duì)應(yīng)GB/T4942.1-2001第2章以后各章編號(hào)都減氣1%oc)
8、第1位表征數(shù)字增加了“6塵密級(jí)防護(hù)等級(jí)”。d)新增第1位表征數(shù)字為6的防護(hù)等級(jí)試驗(yàn)及認(rèn)可條件本
