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style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 14px;">上海雄雷環(huán)?？萍加邢薰?/span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 14px;">聯(lián) 系人：趙經(jīng)理 </span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 14px;">手機(jī)：</span><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 14px;"> 18964514546</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 14px;">電話：021-65345058</span><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 14px;"> </span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 14px;">傳真：021-65345053</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 14px;">地址：上海市青浦區(qū)華新鎮(zhèn)華隆路1758號(hào)</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 14px;">網(wǎng) 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data-cmd="renren"></a> <a href="#" class="bds_weixin" data-cmd="weixin"></a> </div> <script> window._bd_share_config={"common":{"bdSnsKey":{},"bdText":"","bdMini":"2","bdPic":"","bdStyle":"0","bdSize":"16"},"share":{},"image":{"viewList":["qzone","tsina","tqq","renren","weixin"],"viewText":"分享到：","viewSize":"16"},"selectShare":{"bdContainerClass":null,"bdSelectMiniList":["qzone","tsina","tqq","renren","weixin"]}};with(document)0[(getElementsByTagName('head')[0]||body).appendChild(createElement('script')).src='http://bdimg.share.baidu.com/static/api/js/share.js?v=89860593.js?cdnversion='+~(-new Date()/36e5)]; </script>  </div> </div> <div id="d0vtihn77sl" class="content"><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　<a href='http:///' target='_blank' class='key_tag'><font color=#2086ee><strong>加熱管</strong></font></a>開始是如何產(chǎn)生的？</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　?。▎晤^）或（彈筒）<a href='http:///' target='_blank' class='key_tag'><font color=#2086ee><strong>電熱管</strong></font></a>（CartridgeHeaters），在中國(guó)電熱行業(yè)，有一很久稱謂的型號(hào)：M3。在90年代后期由于電熱管在中國(guó)廣泛應(yīng)用，電熱管的形狀也現(xiàn)很多，在中國(guó)南方就將這種一頭出線的模具用的電熱管稱為單頭電熱管，很形像的。</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　在國(guó)外稱為彈筒式加熱器，也是一種形像的叫法，因?yàn)閺椡矚な菆A柱形，一頭也是堵死，與中國(guó)叫為單頭電熱管是巧奪同工之說。</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　單頭電熱管應(yīng)用范圍:1、模具加熱在現(xiàn)代工業(yè)應(yīng)用中已為廣泛的客戶所接受。2、在塑膠機(jī)械加熱系統(tǒng)。3、醫(yī)藥生產(chǎn)線。4、實(shí)驗(yàn)室熱處理試驗(yàn)。5、化工領(lǐng)域等。</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　電熱管的好處：1、它的直徑小，可以做到3-25MM。2、長(zhǎng)度也不受限制，可以做到20-2000MM。3、功率也是相當(dāng)高的，鹽城興泰電器電熱公司可以做到（表面積20瓦特／平方厘米），國(guó)外甚至可以做到（表面積60瓦特／平方厘米）。</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　單頭電熱管的性能要求:1升溫時(shí)間：在試驗(yàn)電壓下，元件從環(huán)境溫度升至試驗(yàn)溫度時(shí)間應(yīng)不大于15min</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　2額定功率偏差</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　a、在充分發(fā)熱的條件下，元件的額定功率的偏差應(yīng)不超過下列規(guī)定的范圍；b、對(duì)額定功率小于等于100W的元件為：±百分之10。c、對(duì)額定功率大于100W的元件為+百分之5～-10或10W，取兩者中的較大值。</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　3泄露電流</DIV></span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　冷態(tài)泄露電流以及水壓和密封試驗(yàn)后泄露電流應(yīng)不超過0.5mA</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　工作溫度下的熱態(tài)泄露電流應(yīng)不超過公式中的計(jì)算值，但不超過5mA</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　I=1/6（tT×0.00001）</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　I—熱態(tài)泄露電流mA</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　t—發(fā)熱長(zhǎng)度mm</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　T-工作溫度℃</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　多個(gè)元件串聯(lián)到電源中時(shí)，應(yīng)以這一組元件為整體進(jìn)行泄露電流試驗(yàn)。</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　4絕緣電阻</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　出廠檢驗(yàn)時(shí)冷態(tài)絕緣電阻不小于50MΩ</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　密封試驗(yàn)后，長(zhǎng)期存放或者使用后的絕緣電阻應(yīng)不小于MΩ</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　工作溫度下的熱態(tài)絕緣電阻應(yīng)不低于公式中的計(jì)算值，但應(yīng)不小于1MΩ</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　單頭電熱管具有結(jié)構(gòu)簡(jiǎn)單，機(jī)械強(qiáng)度高，熱效率高，安全可靠、安裝方便，使用壽命長(zhǎng)等特點(diǎn)。廣泛用于各種硝石槽，水槽，酸堿槽及空氣加熱爐干燥箱，熱模具等裝置。</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　作為專業(yè)的生產(chǎn)廠家，軒源有責(zé)任告訴大家，單頭電熱管品質(zhì)好壞與電阻絲有很大的關(guān)系。</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　單頭電熱管中一有電流通過，就發(fā)熱，隨著溫度上升，電阻值發(fā)生變化（增加）。因此，在決定單頭電熱管的電阻絲電阻時(shí)，作為基準(zhǔn)的常溫電阻值使用溫度下的電阻值中減去變化的部分。單頭電熱管的電阻變化率由于各種因素所引起的電阻變化率，它隨電阻絲的種類、使用溫度等不同而不同。</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　因此，選用單頭電熱管內(nèi)使用的電阻絲非常重要，負(fù)責(zé)的生產(chǎn)廠家都會(huì)按照以下要求選擇：</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　(1)易加工，高溫下機(jī)械強(qiáng)度大；</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　(2)保持穩(wěn)定的質(zhì)量；</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　(3)充分地使用下的溫度；</span></p><p style="line-height: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">　　(4)高溫下的電阻變化少。</span></p></div> <h3 class="tag">本文網(wǎng)址：http:///news/490.html </h3> <h3 class="tag">關(guān)鍵詞：<a href="http:///tag/%E5%8A%A0%E7%83%AD%E7%AE%A1%E5%9E%8B%E5%8F%B7">加熱管型號(hào)</a>,<a href="http:///tag/%E5%8A%A0%E7%83%AD%E7%AE%A1%E6%89%B9%E5%8F%91">加熱管批發(fā)</a>,<a href="http:///tag/%E5%8A%A0%E7%83%AD%E7%AE%A1%E5%85%AC%E5%8F%B8">加熱管公司</a> </h3> <div id="d0vtihn77sl" class="page">上一篇：<a 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