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src="http://tyunfile.71360.com/UploadFile/qunxun/637219622712675781/8067423.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="uelnub8" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/qunxun/637219622712675781/8067423.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3r7bfba" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>福建點膠閥誠信合作,點膠閥</p><p><span>***更新：</span>2020-07-17 17:23:16</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="bvhjqho" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市群勛科技有限公司</a></p><p><span>聯(lián)系人：</span>張華</p><p><span>郵箱: </span>zh@qxunad.com</p><p><span>電話: </span>18603057926</p><p><span>傳真: </span>0755_23156458</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0755-33075040</p><p><span>地址: </span>光明新區(qū)公明街道民生路70號銘源商務(wù)大廈808室</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="ynkhtfm" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="eog27ls" class="box"><p><p style="text-indent:25px">撞針式點膠閥其主要是靠撞針撞擊撞針座來起到開，福建點膠閥誠信合作、關(guān)膠水通道的作用，撞針與活塞通過撞針密封墊密封。因膠水成分里面含有微顆粒，撞針、撞針座及膠水微顆粒三者之間相互磨擦，一段時間后，撞針容易損壞。另外，經(jīng)常點膠，則要求撞針在撞針密封墊的內(nèi)孔中來回運動，這樣，次數(shù)多了，會導(dǎo)致內(nèi)孔磨損，孔徑變大，起不到密封效果，膠水則會通過內(nèi)孔進(jìn)入氣缸中，從氣缸排氣孔流出，點膠閥則損壞。另一方面，撞針與撞針密封墊基本上處于零配，福建點膠閥誠信合作，加工尺寸過大或過小都會直接影響撞針的壽命，福建點膠閥誠信合作。隨著電子膠水的普遍應(yīng)用，點膠設(shè)備點膠閥的應(yīng)用也會更加***和多樣化。福建點膠閥誠信合作</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建點膠閥誠信合作,點膠閥" src="http://tyunfile.71360.com/UploadFile/qunxun/637219622712675781/8067423.jpg"></div><p> 壓電式點膠閥的結(jié)構(gòu)設(shè)計與實驗研究 </p> <p> 微電子封裝工業(yè)中關(guān)鍵的一環(huán)在于流體點膠技術(shù),點膠速度、質(zhì)量和操作性能影響著封裝產(chǎn)業(yè)的發(fā)展。隨著微電子產(chǎn)品往尺寸更小、性能更強、功耗更低、更環(huán)保的方向發(fā)展,流體點膠技術(shù)也正在經(jīng)歷著由傳統(tǒng)的接觸式點膠向非接觸式點膠的技術(shù)變革。作為非接觸點膠技術(shù)的一個重要分支——壓電式點膠技術(shù),由于具有比機械式和氣動式更高的噴射頻率,在點膠市場上更具有應(yīng)用價值和發(fā)展?jié)摿?。但是目前國?nèi)不論是企業(yè)還是科研院所對非接觸壓電式點膠閥的研究尚處于起步階段。本文的研究目的是開發(fā)一套由壓電陶瓷驅(qū)動,具有高噴射頻率性能且噴射膠體黏度范圍廣的點膠閥,并搭建平臺系統(tǒng)進(jìn)行液滴噴射實驗研究。具體的研究工作主要包括以下幾部分： </p> <p> <br /> 浙江點膠閥量大從優(yōu)產(chǎn)品少，不追求效率，使用手動膠***；室外工作，使用膠***。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建點膠閥誠信合作,點膠閥" src="http://tyunfile.71360.com/UploadFile/qunxun/637219622714482422/7370477.jpg"></div><p style="text-indent:25px">公開了一種基于壓電陶瓷驅(qū)動和柔性放大臂的點膠閥，包括膠液通道部分(14)、噴嘴部分(16)和噴針(9)，所述的噴嘴部分(16)、膠液通道部分(14)和噴針(9)安裝在基座(1)的一端，柔性放大臂(8)的一端與至少一個壓電陶瓷致動器對接并安裝在所述的基座(1)的另一端，所述的柔性放大臂(8)的另一端與所述的噴針(9)連接。該點膠閥結(jié)構(gòu)簡單緊湊，拆裝方便，噴針的響應(yīng)速度快，可以實現(xiàn) 高粘度、高頻率和高精度的膠液噴射，適于工業(yè)化生產(chǎn)，可以代替現(xiàn)有的氣動驅(qū)動噴膠系統(tǒng)，特別適用于微電子芯片的封裝中的點膠技術(shù)。</p><p> 電磁驅(qū)動點膠閥的工作特性分析與優(yōu)化研究 </p> <p> 點膠工藝***用于微電子、光電子、微機械系統(tǒng)等領(lǐng)域,而現(xiàn)有的點膠技術(shù)難以滿足口益復(fù)雜的封裝要求。噴射點膠是新一代的點膠技術(shù),但是現(xiàn)有的氣動——彈簧方式驅(qū)動的噴射點膠頭主要被國外公司壟斷,同時也存在驅(qū)動力有限,控制不方便等缺點。為打破壟斷,根據(jù)噴射點膠技術(shù)的要求,提出了電磁驅(qū)動噴射點膠方案。本文首先對點膠工藝和電磁驅(qū)動技術(shù)的發(fā)展現(xiàn)狀及趨勢做了簡要的介紹；接著介紹了電磁驅(qū)動噴射點膠技術(shù)的組成和實現(xiàn)原理,對其關(guān)鍵執(zhí)行元件電磁驅(qū)動噴射點膠頭的結(jié)構(gòu)設(shè)計過程進(jìn)行了描述,完善了其結(jié)構(gòu)設(shè)計。根據(jù)電磁驅(qū)動噴射點膠的工作特點,設(shè)計、改進(jìn)了驅(qū)動電路,對電路的工作原理和關(guān)鍵元件的選取做了詳細(xì)說明,并完成了電路的調(diào)試工作；然后對電磁噴射點膠頭試制樣品的進(jìn)行了一系列的測試分析,包括預(yù)壓彈簧的剛度、靜態(tài)電磁力和噴針位移響應(yīng)等；同時,為了更好的分析電磁驅(qū)動噴射點膠頭的工作特性,利用Matlab/Simulink軟件建立了噴射過程的仿真模型。通過仿真模型,分析了驅(qū)動電壓、摩擦力等關(guān)鍵參數(shù)對噴射頭性能的影響,并進(jìn)行了參數(shù)優(yōu)化,改進(jìn)了噴射閥的性能。***,利用電磁驅(qū)動噴射點膠閥進(jìn)行了噴射點膠實驗。 </p> <p> <br /> 特別適用于微電子芯片的封裝中的點膠技術(shù).</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建點膠閥誠信合作,點膠閥" src="http://tyunfile.71360.com/UploadFile/qunxun/637219622713486328/4104549.jpg"></div><p> 點膠閥有氣動和電動兩種： </p> <p> 氣動：點膠閥由氣缸、閥體和料缸三部分上下連接而成，氣缸和閥體用先進(jìn)密封材料隔開，避免膠水侵入氣缸。料缸和氣缸連接在點膠閥閥主體上，與氣缸保證同心度。用電磁閥氣動氣缸運動，從而驅(qū)動中心桿上下運動，利用中心桿的上下運動達(dá)到對膠水的開啟和關(guān)斷作用。根據(jù)開啟和關(guān)斷的方式不同，從而分為：柱塞式點膠閥、頂針式點膠閥、提升式點膠閥、噴霧點膠閥、噴射點膠閥；開關(guān)方式不同，適用的流體也就不同，回吸式點膠閥采用向上運動關(guān)膠結(jié)構(gòu)，使停膠同時瞬間回吸斷膠，減少余留針頭上的殘膠，使點膠不產(chǎn)生漏滴、拉絲等現(xiàn)象。膠閥本體經(jīng)鋁合金陽極氧化處理，密封材料采用***四氟材料，接觸膠體部分均為耐腐蝕材料。 </p> <p> 電動：包括泵體和驅(qū)動部分，隨配定子，安裝簡單。采用定轉(zhuǎn)子結(jié)構(gòu)設(shè)計，密封性能好。轉(zhuǎn)子和定子副形成自密封結(jié)構(gòu)，易于替換。通過轉(zhuǎn)子在定子腔的定向旋轉(zhuǎn)作用，實現(xiàn)介質(zhì)輸送功能。輸送過程不對介質(zhì)性能產(chǎn)生任何的影響。同時可通過電機反轉(zhuǎn)，輕松實現(xiàn)介質(zhì)回吸功能，確保介質(zhì)和材料的清潔，無滴漏,無污染！ </p> <p> <br /> 壓電氣體混合驅(qū)動式噴射點膠閥的設(shè)計與實驗.浙江點膠閥量大從優(yōu)</p><p style="text-indent:25px">***應(yīng)檢查出膠時間.若小于15/1000秒會造成出膠不穩(wěn)定。福建點膠閥誠信合作</p><p> 常見問題及解決方法，如何有效而快速的解決點膠閥的常見問題，凇輝作為專業(yè)生產(chǎn)點膠閥的廠家為大家總結(jié)了以下常見問題，以及解決方法. </p> <p> 1. 膠閥滴漏 </p> <p> 此種情形經(jīng)常發(fā)生予膠閥關(guān)畢以后，95%的此種情形是因為使用的針頭口徑太小所致，太小的針頭會影響液體的流動造成背壓, 結(jié)果導(dǎo)致膠閥關(guān)畢后不久形成滴漏的現(xiàn)象. 過小的針頭也會影響膠閥開始使用時的排氣泡動作.可以調(diào)節(jié)壓力桶氣壓，不要過高，能驅(qū)動膠水即可，點膠閥能微調(diào)，就盡量調(diào)小（減少點膠閥反應(yīng)時間快），或者更換較大的針頭即可解決這種問題，錐形斜式針頭產(chǎn)生的背壓**少, 液體流動**順暢。液體內(nèi)空氣在膠閥關(guān)畢后會產(chǎn)生滴漏現(xiàn)象, 比較好是預(yù)先排除液體內(nèi)空氣, 或改用不容易含氣泡的膠.或先將膠離心脫泡后在使用. </p> <p> 2. 出膠大小不一致 </p> <p> 當(dāng)出膠不一致時主要為儲存流體的壓力筒或空氣壓力不穩(wěn)定所產(chǎn)生. 進(jìn)氣壓力調(diào)壓表應(yīng)設(shè)定于比廠內(nèi)比較低壓力低10至15psi. 壓力筒使用的壓力應(yīng)介于調(diào)壓表中間以上的壓力, 應(yīng)避免使用壓力介于壓力表之中低壓力部分.膠閥控制壓力應(yīng)至少60psi以上以確保出膠穩(wěn)定.***應(yīng)檢查出膠時間.若小于15/1000秒會造成出膠不穩(wěn)定. 出膠時間愈長出膠愈穩(wěn)定. </p> <p> <br /> 福建點膠閥誠信合作</p><p style="text-indent:25px">深圳市群勛科技有限公司坐落光明新區(qū)公明街道民生路70號銘源商務(wù)大廈808室，交通便利，環(huán)境優(yōu)美，是一家貿(mào)易型企業(yè)。公司是一家有限責(zé)任公司企業(yè)，以誠信務(wù)實的創(chuàng)業(yè)精神、質(zhì)量高效的管理團隊、精悍的職工隊伍，努力為廣大用戶提供***的產(chǎn)品。公司目前擁有***員工5~10人人，具有[ "視覺噴點膠機", "點膠閥", "壓力泵", "壓痕檢測機" ]等多項業(yè)務(wù)。群勛科技順應(yīng)時代發(fā)展和市場需求，通過**技術(shù)，力圖保證高規(guī)格高質(zhì)量的[ "視覺噴點膠機", "點膠閥", "壓力泵", "壓痕檢測機" ]。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/630714.html</p></div></div></div></div></div><div id="uczah8w" class="page-right twoColRt"><div id="yi2oaev" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ice788h" class="recomPic likePro"><a href="http://m.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配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="bq33g8b" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個科目真誠推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" class="vcenter" 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