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clearfix"><h1>青浦區(qū)產(chǎn)品環(huán)境可靠性測(cè)試收費(fèi)標(biāo)準(zhǔn) 歡迎來(lái)電上海中證檢測(cè)技術(shù)供應(yīng)</h1><div id="q7kubsu" class="proBig"><div id="ptv42te" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Shatcc/637394297123207716/2805429.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vurlcjg" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Shatcc/637394297123207716/2805429.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="87s9d48" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>青浦區(qū)產(chǎn)品環(huán)境可靠性測(cè)試收費(fèi)標(biāo)準(zhǔn),產(chǎn)品環(huán)境可靠性測(cè)試</p><p><span>***更新：</span>2021-02-07 09:13:02</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ha3lx3d" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海中證檢測(cè)技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>賴朝忠</p><p><span>郵箱: </span>13402061820@163.com</p><p><span>電話: </span>13402061820</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.atc-tech.com</p><p><span>手機(jī): </span>021-58692399</p><p><span>地址: </span>民風(fēng)路351號(hào)1幢3層</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="tc7nkco" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="pyla8k3" class="box"><p><p style="text-indent:25px">在當(dāng)今競(jìng)爭(zhēng)激烈的市場(chǎng)環(huán)境和全球化的背景下，產(chǎn)品要迅速并且成功地占領(lǐng)國(guó)內(nèi)外市場(chǎng)，就必須提高產(chǎn)品的環(huán)境適應(yīng)性和可靠性。目前，我國(guó)很多產(chǎn)品設(shè)計(jì)從單純追求技術(shù)指標(biāo)轉(zhuǎn)向提高產(chǎn)品的綜合效能。在產(chǎn)品引進(jìn)過(guò)程中，由于來(lái)源不同，在同一場(chǎng)所會(huì)出現(xiàn)不同的環(huán)境試驗(yàn)標(biāo)準(zhǔn)體系相互交叉的情況；隨著可靠性工作的逐步深入，該指標(biāo)已納入研制合同。環(huán)境工程和可靠性工程相互交叉，使產(chǎn)品在研制和生產(chǎn)中，試驗(yàn)項(xiàng)目和工作量成倍地增加，青浦區(qū)產(chǎn)品環(huán)境可靠性測(cè)試收費(fèi)標(biāo)準(zhǔn)，這給研制和生產(chǎn)部門(mén)帶來(lái)了許多重復(fù)性工作，周期和成本難以保證，這就要求對(duì)相同的試驗(yàn)項(xiàng)目進(jìn)行合并和簡(jiǎn)化。也就要弄清環(huán)境工程和可靠性工程的概念，青浦區(qū)產(chǎn)品環(huán)境可靠性測(cè)試收費(fèi)標(biāo)準(zhǔn)，充分利用已進(jìn)行試驗(yàn)的結(jié)果，青浦區(qū)產(chǎn)品環(huán)境可靠性測(cè)試收費(fèi)標(biāo)準(zhǔn)，簡(jiǎn)化試驗(yàn)工作量，縮短研制周期?？煽啃栽囼?yàn)是驗(yàn)證產(chǎn)品在規(guī)定條件下和規(guī)定時(shí)間內(nèi)能否實(shí)現(xiàn)預(yù)定功能而進(jìn)行的試驗(yàn)。青浦區(qū)產(chǎn)品環(huán)境可靠性測(cè)試收費(fèi)標(biāo)準(zhǔn)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青浦區(qū)產(chǎn)品環(huán)境可靠性測(cè)試收費(fèi)標(biāo)準(zhǔn),產(chǎn)品環(huán)境可靠性測(cè)試" src="https://tyunfile.71360.com/UploadFile/Shatcc/637394297123207716/2805429.png"></div><p style="text-indent:25px">低氣壓試驗(yàn)試驗(yàn)?zāi)康模嚎己水a(chǎn)品對(duì)低氣壓工作環(huán)境(如高空工作環(huán)境)的適應(yīng)能力。當(dāng)氣壓減小時(shí)空氣或絕緣材料的絕緣強(qiáng)度會(huì)減弱；易產(chǎn)生電暈放電、介質(zhì)損耗增加、電離；氣壓減小使散熱條件變差，會(huì)使元器件溫度上升。這些因素都會(huì)使被試樣品在低氣壓條件下喪失規(guī)定的功能，有時(shí)會(huì)產(chǎn)生長(zhǎng)久性損傷。試驗(yàn)條件：被試樣品置于密封室內(nèi)，加規(guī)定的的電壓，從密封室降低氣壓前20min直至試驗(yàn)結(jié)束的一段時(shí)間內(nèi)，要求樣品溫度保持在25+-1.0℃的范圍。密封室從常壓降低到規(guī)定的氣壓再恢復(fù)到常壓，并監(jiān)視這‘過(guò)程中被試樣品能否正常工作，微電路被試樣品所施加電壓的頻率在直流到20MHz的范圍內(nèi)，電壓引出端出現(xiàn)電暈放電被視為失效。試驗(yàn)的低氣壓值是與海拔高度相對(duì)應(yīng)的，并分若干檔．如微電路低氣壓試驗(yàn)的A檔氣壓值是58kPa，對(duì)應(yīng)高度是4572m，E檔氣壓值是1.1kPa，對(duì)應(yīng)高度是30480m等等。青浦區(qū)產(chǎn)品環(huán)境可靠性測(cè)試收費(fèi)標(biāo)準(zhǔn)機(jī)械沖擊試驗(yàn)用來(lái)確定產(chǎn)品的耐沖擊能力。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青浦區(qū)產(chǎn)品環(huán)境可靠性測(cè)試收費(fèi)標(biāo)準(zhǔn),產(chǎn)品環(huán)境可靠性測(cè)試" src="https://tyunfile.71360.com/UploadFile/Shatcc/637394297073060368/6603617.png"></div><p style="text-indent:25px">產(chǎn)品實(shí)際使用的可靠性叫做工作可靠性。工作可靠性又可分為固有可靠性和使用可靠性。固有可靠性是產(chǎn)品設(shè)計(jì)制造者必須確立的可靠性，即按照可靠性規(guī)劃，從原材料和零部件的選用，經(jīng)過(guò)設(shè)計(jì)、制造、試驗(yàn)，直到產(chǎn)品出產(chǎn)的各個(gè)階段所確立的可靠性。使用可靠性是指已生產(chǎn)的產(chǎn)品，經(jīng)過(guò)包裝、運(yùn)輸、儲(chǔ)存、安裝、使用、維修等因素影響的可靠性?？煽啃砸呀?jīng)列為產(chǎn)品的重要質(zhì)量指標(biāo)加以考核和檢驗(yàn)。長(zhǎng)期以來(lái)，人們只用產(chǎn)品的技術(shù)性能指標(biāo)作為衡量電子元器件質(zhì)量好壞的標(biāo)志，這只反映了產(chǎn)品質(zhì)量好壞的一個(gè)方面，還不能反映產(chǎn)品質(zhì)量的全貌。因?yàn)?，如果產(chǎn)品不可靠，即使其技術(shù)性能再好也得不到發(fā)揮。從某種意義上說(shuō)，可靠性可以綜合反映產(chǎn)品的質(zhì)量。</p><p style="text-indent:25px">一般所說(shuō)的“可靠性”指的是“可信賴的”或“可信任的”。我們說(shuō)一個(gè)人是可靠的，就是說(shuō)這個(gè)人是說(shuō)得到做得到的人，而一個(gè)不可靠的人是一個(gè)不一定能說(shuō)得到做得到的人，是否能做到要取決于這個(gè)人的意志、才能和機(jī)會(huì)。同樣，一臺(tái)儀器設(shè)備，當(dāng)人們要求它工作時(shí)，它就能工作，則說(shuō)它是可靠的；而當(dāng)人們要求它工作時(shí)，它有時(shí)工作，有時(shí)不工作，則稱(chēng)它是不可靠的。對(duì)產(chǎn)品而言，可靠性越高就越好。可靠性高的產(chǎn)品，可以長(zhǎng)時(shí)間正常工作（這正是所有消費(fèi)者需要得到的）；從專(zhuān)業(yè)術(shù)語(yǔ)上來(lái)說(shuō)，就是產(chǎn)品的可靠性越高，產(chǎn)品可以無(wú)故障工作的時(shí)間就越長(zhǎng)。防水試驗(yàn)用于考核產(chǎn)品外殼、密封件試驗(yàn)后或試驗(yàn)中是否能保證該設(shè)備或元件良好的工作性能。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青浦區(qū)產(chǎn)品環(huán)境可靠性測(cè)試收費(fèi)標(biāo)準(zhǔn),產(chǎn)品環(huán)境可靠性測(cè)試" src="https://tyunfile.71360.com/UploadFile/Shatcc/637394297095414254/7439137.png"></div><p style="text-indent:25px">模擬試驗(yàn)由于受設(shè)備條件的限制，往往只能對(duì)產(chǎn)品施加單一應(yīng)力，有時(shí)也可以施加雙應(yīng)力，這與實(shí)際使用環(huán)境條件有很大差異，因而未能如實(shí)地、多方面地暴露產(chǎn)品的質(zhì)量情況。現(xiàn)場(chǎng)使用試驗(yàn)則不同，因?yàn)樗窃谑褂矛F(xiàn)場(chǎng)進(jìn)行，故較能真實(shí)地反映產(chǎn)品的可靠性問(wèn)題，所獲得的數(shù)據(jù)對(duì)于產(chǎn)品的可靠性預(yù)測(cè)、設(shè)計(jì)和保證有很高價(jià)值。對(duì)制定可靠性試驗(yàn)計(jì)劃、驗(yàn)證可靠性試驗(yàn)方法和評(píng)價(jià)試驗(yàn)精確性，現(xiàn)場(chǎng)使用試驗(yàn)的作用則更大。篩選試驗(yàn)是一種對(duì)產(chǎn)品進(jìn)行全數(shù)檢驗(yàn)的非破壞性試驗(yàn)其目的是為選擇具有一定特性的產(chǎn)品或剔早期失效的產(chǎn)品，以提高產(chǎn)品的使用可靠性。產(chǎn)品在制造過(guò)程中，由于材料的缺陷，或由于工藝失控,使部分產(chǎn)品出現(xiàn)所謂早期缺陷或故障，這些缺陷或故障若能及早剔除，就可以保證在實(shí)際使用時(shí)產(chǎn)品的可靠性水平。產(chǎn)品的可靠性和環(huán)境適應(yīng)性均屬于產(chǎn)品的質(zhì)量特性。上海產(chǎn)品環(huán)境可靠性測(cè)試單位有哪些</p><p style="text-indent:25px">氙燈老化試驗(yàn)可以為科研、產(chǎn)品開(kāi)發(fā)和質(zhì)量控制提供相應(yīng)的環(huán)境模擬和加速試驗(yàn)。青浦區(qū)產(chǎn)品環(huán)境可靠性測(cè)試收費(fèi)標(biāo)準(zhǔn)</p><p style="text-indent:25px">防塵試驗(yàn)試驗(yàn)?zāi)康模河糜跈z測(cè)產(chǎn)品的外殼密封性能，包括位特征數(shù)字為1至6，即防護(hù)等級(jí)代碼為IP1X至IP6X。外殼防護(hù)等級(jí)標(biāo)準(zhǔn)中規(guī)定的IP5X和IP6X兩個(gè)等級(jí)的試驗(yàn)，主要模擬產(chǎn)品在使用、運(yùn)輸、貯存過(guò)程中遇到的沙塵環(huán)境，從而檢驗(yàn)其外殼的防護(hù)性能。試驗(yàn)設(shè)備：IP防塵（沙塵）測(cè)試箱；試驗(yàn)條件：IP1X-6X。紫外老化試驗(yàn)試驗(yàn)?zāi)康模河媚M并強(qiáng)化對(duì)材料老化影響較明顯的紫外光譜。材料老化包括褪色、失光、強(qiáng)度降低、開(kāi)裂、剝落、粉化和氧化等。試驗(yàn)設(shè)備：紫外線耐候試驗(yàn)箱。青浦區(qū)產(chǎn)品環(huán)境可靠性測(cè)試收費(fèi)標(biāo)準(zhǔn)</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3200834.html</p></div></div></div></div></div><div id="zhe38az" class="page-right twoColRt"><div id="vkhbnu2" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8r7gnkt" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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