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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hl8qamd" 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>虹口區(qū)產(chǎn)品環(huán)境可靠性測(cè)試中心,產(chǎn)品環(huán)境可靠性測(cè)試</p><p><span>***更新：</span>2021-01-26 00:21:15</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="rubyqs3" 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="2xbs7tv" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="dmj8g2m" class="box"><p><p style="text-indent:25px">鹽霧試驗(yàn)?zāi)康模和ㄟ^(guò)模擬海洋或潮濕地區(qū)氣候的環(huán)境，來(lái)考核產(chǎn)品、材料及其防護(hù)層抗鹽霧腐蝕的能力。試驗(yàn)設(shè)備：鹽霧試驗(yàn)箱。試驗(yàn)條件：在鹽霧箱內(nèi)，配制一個(gè)近似海水成分的溶液，將其噴射成霧狀，充滿整個(gè)箱內(nèi)，并控制溫度、pH值、沉降率、空氣壓力、放置角度，虹口區(qū)產(chǎn)品環(huán)境可靠性測(cè)試中心、飽和塔溫度進(jìn)行加速試驗(yàn)，從而快速鑒定材料的耐腐蝕性能。主要有三種鹽霧測(cè)試：中性鹽霧測(cè)試NSS、酸性鹽霧測(cè)試AASS和銅離子加速的酸性鹽霧測(cè)試CASS。防水試驗(yàn)試驗(yàn)?zāi)康模褐饕槍?duì)在戶外或使用環(huán)境惡劣的電子產(chǎn)品及設(shè)備，表示法為IPXX，位特征數(shù)字所表示的防止接近危險(xiǎn)部件和防止固體異物進(jìn)入的防護(hù)等級(jí)，第二位特征數(shù)字所表示的防止水進(jìn)入的防護(hù)等級(jí)。用于考核產(chǎn)品外殼，虹口區(qū)產(chǎn)品環(huán)境可靠性測(cè)試中心，虹口區(qū)產(chǎn)品環(huán)境可靠性測(cè)試中心、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。試驗(yàn)條件：IPX1-9。跌落試驗(yàn)?zāi)M產(chǎn)品因不當(dāng)?shù)奶幚韯?dòng)作所產(chǎn)生的跌落對(duì)產(chǎn)品造成的影響。虹口區(qū)產(chǎn)品環(huán)境可靠性測(cè)試中心</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="虹口區(qū)產(chǎn)品環(huán)境可靠性測(cè)試中心,產(chǎn)品環(huán)境可靠性測(cè)試" src="https://tyunfile.71360.com/UploadFile/Shatcc/637394297121059069/4934721.png"></div><p style="text-indent:25px">環(huán)境試驗(yàn)是產(chǎn)品較基本的試驗(yàn)，只有通過(guò)了環(huán)境合格鑒定試驗(yàn)的產(chǎn)品才能投入可靠性增長(zhǎng)試驗(yàn)；通過(guò)了環(huán)境驗(yàn)收試驗(yàn)的產(chǎn)品才可投入可靠性驗(yàn)收試驗(yàn)。這兩種試驗(yàn)基本上都采用試驗(yàn)室試驗(yàn)方法，在規(guī)定的受控環(huán)境中進(jìn)行，所采用的環(huán)境設(shè)備和試驗(yàn)方法包括相應(yīng)的夾具設(shè)計(jì)原則都可以相互借鑒。對(duì)進(jìn)行環(huán)境試驗(yàn)所用的環(huán)境條件的研究，為可靠性試驗(yàn)條件的制定提供了先決信息，同時(shí)可靠性試驗(yàn)剖面中的溫度、振動(dòng)量值的確定與相應(yīng)環(huán)境條件的確定基本相同?？梢哉J(rèn)為, 環(huán)境試驗(yàn)是可靠性試驗(yàn)的基礎(chǔ)和前提，許多環(huán)境試驗(yàn)工作應(yīng)在可靠性試驗(yàn)之前開(kāi)展，為可靠性試驗(yàn)提供信息和依據(jù)。虹口區(qū)產(chǎn)品環(huán)境可靠性測(cè)試中心跌落試驗(yàn)樣品受力的向：包裝樣品著地的點(diǎn)、線、面，即包裝的角、棱、面;或者樣品的其他方向。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="虹口區(qū)產(chǎn)品環(huán)境可靠性測(cè)試中心,產(chǎn)品環(huán)境可靠性測(cè)試" src="https://tyunfile.71360.com/UploadFile/Shatcc/637394297161343927/7256063.png"></div><p style="text-indent:25px">機(jī)械沖擊試驗(yàn)?zāi)康模涸S多產(chǎn)品在使用、裝卸、運(yùn)輸過(guò)程中都會(huì)受到?jīng)_擊，該試驗(yàn)用來(lái)確定產(chǎn)品的耐沖擊能力。根據(jù)脈沖波形（從樣品受力開(kāi)始到受力結(jié)束的時(shí)間內(nèi)產(chǎn)生的波形）不同，可分為：半正弦脈沖、后峰鋸齒脈沖和梯形波脈沖。試驗(yàn)設(shè)備：機(jī)械沖擊試驗(yàn)臺(tái)；試驗(yàn)條件：選定脈沖波形（半正弦脈沖）、峰值加速度、脈寬、方向、次數(shù)。）跌落試驗(yàn) 試驗(yàn)?zāi)康模耗M產(chǎn)品因不當(dāng)?shù)奶幚韯?dòng)作所產(chǎn)生的跌落對(duì)產(chǎn)品造成的影響。試驗(yàn)設(shè)備：跌落試驗(yàn)機(jī)。試驗(yàn)條件：自由跌落。跌落高度：（單位：mm）。樣品受力的向：包裝樣品著地的點(diǎn)、線、面，即包裝的角、棱、面;或者樣品的其他方向。地面要求：混凝土地面或2cm厚的鐵（鋼）板或木地板。跌落的次數(shù)：一角三棱六面或其他相關(guān)的要求。</p><p style="text-indent:25px">基于行業(yè)標(biāo)準(zhǔn)、國(guó)家標(biāo)準(zhǔn)的可靠性測(cè)試方法，產(chǎn)品在生命周期內(nèi)必然承受很多外界應(yīng)力，常見(jiàn)的應(yīng)力有業(yè)務(wù)負(fù)荷、溫度、濕度、粉塵、氣壓、機(jī)械應(yīng)力等。各種行業(yè)標(biāo)準(zhǔn)、國(guó)家標(biāo)準(zhǔn)制定者給出了某類(lèi)產(chǎn)品在何種應(yīng)用環(huán)境下會(huì)存在多大的應(yīng)力等級(jí)，而標(biāo)準(zhǔn)使用者要根據(jù)產(chǎn)品的應(yīng)用環(huán)境和對(duì)質(zhì)量的要求選定相應(yīng)的測(cè)試條件即應(yīng)力等級(jí)，這個(gè)選定的應(yīng)力等級(jí)實(shí)質(zhì)上就是產(chǎn)品測(cè)試規(guī)格。在產(chǎn)品的測(cè)試階段，我們必須在實(shí)驗(yàn)室環(huán)境下對(duì)足夠的測(cè)試樣本一一施加相應(yīng)的應(yīng)力類(lèi)型和應(yīng)力等級(jí)，考察產(chǎn)品的工作穩(wěn)定性。跌落試驗(yàn)跌落的次數(shù)：一角三棱六面或其他相關(guān)的要求。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="虹口區(qū)產(chǎn)品環(huán)境可靠性測(cè)試中心,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">可靠性試驗(yàn)必須能夠評(píng)價(jià)或通過(guò)方法來(lái)提高產(chǎn)品能正常工作的時(shí)間；環(huán)境適應(yīng)性是考核產(chǎn)品在極值環(huán)境條件下正常工作的能力。這兩種試驗(yàn)在產(chǎn)品研制和生產(chǎn)中，只能相互補(bǔ)充而不能取代。環(huán)境試驗(yàn)應(yīng)作為**可靠性試驗(yàn)外的形式存在，并與其相互補(bǔ)充，結(jié)合成熟的環(huán)境試驗(yàn)技術(shù)和相應(yīng)的研究成果，為提高產(chǎn)品可靠性發(fā)揮應(yīng)有的作用。環(huán)境試驗(yàn)多為單項(xiàng)試驗(yàn)，這種試驗(yàn)的好處在于試驗(yàn)用的設(shè)備比較簡(jiǎn)單、試驗(yàn)費(fèi)用少, 且很容易發(fā)現(xiàn)某一環(huán)境因素對(duì)產(chǎn)品的影響。其種類(lèi)很多, 按試驗(yàn)?zāi)康暮托再|(zhì), 可分為以下4 個(gè)基本類(lèi)型：環(huán)境適應(yīng)性增長(zhǎng)試驗(yàn)( EGT) 、環(huán)境合格鑒定試驗(yàn)( E-QT) 、環(huán)境驗(yàn)收試驗(yàn)( EAT) 和例行試驗(yàn)。氣候環(huán)境試驗(yàn)要包括高溫試驗(yàn)、低溫試驗(yàn)、溫度快速變化試驗(yàn)、紫外老化試驗(yàn)和氙燈老化試驗(yàn)等。虹口區(qū)產(chǎn)品環(huán)境可靠性測(cè)試中心</p><p style="text-indent:25px">可靠性試驗(yàn)是按可靠性要求設(shè)計(jì)和進(jìn)行的、有可靠性目標(biāo)并在典型環(huán)境條件下的試驗(yàn)。虹口區(qū)產(chǎn)品環(huán)境可靠性測(cè)試中心</p><p style="text-indent:25px">從某種意義上說(shuō)，任何試驗(yàn)都在一定的環(huán)境條件下進(jìn)行，都可看作環(huán)境試驗(yàn)，但實(shí)際上只有產(chǎn)品研制過(guò)程中某些以考核所設(shè)計(jì)或生產(chǎn)的產(chǎn)品對(duì)預(yù)定工作環(huán)境適應(yīng)性為目標(biāo)的試驗(yàn)才稱之為環(huán)境試驗(yàn)。這并不涉及產(chǎn)品能維持其本身具有的、多長(zhǎng)時(shí)間的適應(yīng)能力的定量指標(biāo)。顯然, 若產(chǎn)品不能適應(yīng)預(yù)定的環(huán)境，就根本談不上可靠不可靠了。從另一種意義上來(lái)說(shuō)，環(huán)境試驗(yàn)和其它試驗(yàn)都有利于提高產(chǎn)品的可靠性，至少?gòu)倪@些試驗(yàn)中可以得到一些故障信息。盡管環(huán)境試驗(yàn)和可靠性試驗(yàn)都是在對(duì)產(chǎn)品施加環(huán)境應(yīng)力的條件下進(jìn)行，但兩者在試驗(yàn)?zāi)康?、所用的環(huán)境因素?cái)?shù)量、試驗(yàn)時(shí)間確定準(zhǔn)則，環(huán)境應(yīng)力選用準(zhǔn)則以及試驗(yàn)終止決策準(zhǔn)則方面是大不相同的。虹口區(qū)產(chǎn)品環(huán)境可靠性測(cè)試中心</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3007895.html</p></div></div></div></div></div><div id="xvnkhtq" class="page-right twoColRt"><div id="7wiax7o" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="shogdxi" class="recomPic likePro"><a 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