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href="http://m.cdcfah.com/cp/first-_dzyqj/">電子元器件</a>?<a href="http://m.cdcfah.com/cp/second-dzyqj_dzcpzzsbqy/">電子產(chǎn)品制造設(shè)備</a>?<a href="http://m.cdcfah.com/cp/third-dzcpzzsbqy_djsbya/">點膠設(shè)備</a>?廣西**點膠閥深圳市群勛科技供應(yīng)</p><div id="dczbta2" class="leftbox clearfix"><h1>廣西**點膠閥深圳市群勛科技供應(yīng)</h1><div id="js33tn9" class="proBig"><div id="wacewtn" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/qunxun/637219622716269531/3301014.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="gf3z2vp" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/qunxun/637219622716269531/3301014.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="n7nwygf" 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>廣西**點膠閥</p><p><span>***更新：</span>2020-06-18 10:24:47</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="xbi2nkw" 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="u3bxpr8" class="page-proshow02"><p class="title">詳細說明</p><div id="clsuw7g" class="box"><p><p> 一種高精度點膠閥 </p> <p> 涉及一種用于LED點膠封裝的高精度點膠閥。本點膠閥包括固設(shè)在閥體外側(cè)面上的連接部，由馬達驅(qū)動的注射桿自上而下插入閥體的滑道中，且注射桿的桿頭突出在滑道外側(cè)，注射桿的桿身與滑道構(gòu)成滑動配合，滑道的上端設(shè)有與注射桿桿身相配合的密封裝置；位于注射桿下側(cè)的滑道形成封閉的閥腔，閥腔與連接部中的進液通道相連通，連接部中的進液通道上設(shè)有與膠管相連通的進液接頭；閥體的下端設(shè)有與針嘴相連通的排液接頭組件；閥體中還設(shè)有使閥腔與排液接頭二者處于連通或切斷狀態(tài)的閥芯組件。本實用新型結(jié)構(gòu)簡單，同時采用注射桿方式吐膠，注射桿由步進馬達驅(qū)動，可以實現(xiàn)高精度吐膠，同時符合LED的生產(chǎn)工藝要求，便于拆卸和清洗。 </p> <p> 隨著我國LED產(chǎn)業(yè)的興起，LED行業(yè)對LED封裝點膠機的需求越來越大，廣西**點膠閥，且要求精度也越來越高，廣西**點膠閥，控制精度達到萬分之一毫升，廣西**點膠閥，而傳統(tǒng)的氣動點膠閥易受氣壓及膠體粘度變化等因素的影響，根本無法滿足上述精度，且拆卸清洗也不方便。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西**點膠閥" src="http://tyunfile.71360.com/UploadFile/qunxun/637219622716269531/3301014.png"></div><p style="text-indent:25px">利用壓電疊堆具有較好的響應(yīng)特性和輸出特性的特點，提出了一種新型壓電驅(qū)動式噴射點膠閥。該噴射點膠閥主要由壓電疊堆、杠桿式微位移放大機構(gòu)、閥桿和噴嘴組成。對膠液實現(xiàn)噴射的條件進行了理論分析，并利用ANSYS軟件對噴嘴重膠液流場進行仿真，得到了閥桿位移、膠液黏度和驅(qū)動氣壓對噴射點膠的影響規(guī)律，***通過實驗驗證了理論分析和仿真的正確性。當膠液的黏度為2 Pa·s時，獲得的膠點**小直徑為0.5 mm，膠點一致性誤差在6%以內(nèi)。為電子封裝業(yè)提供了更加***和準確的點膠方法。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西**點膠閥" src="http://tyunfile.71360.com/UploadFile/qunxun/637219622714726562/7884092.jpg"></div><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,并進行了參數(shù)優(yōu)化,改進了噴射閥的性能。***,利用電磁驅(qū)動噴射點膠閥進行了噴射點膠實驗。 </p> <p> 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