韶關(guān)點(diǎn)膠閥安裝操作注意事項(xiàng) 深圳市群勛科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="⑴分析并確定了影響非接觸壓電式點(diǎn)膠閥正常噴射的主要因素----放大機(jī)構(gòu)的設(shè)計(jì)方案,并提出了放大機(jī)構(gòu)比較大輸出位移為320μm的設(shè)計(jì)目標(biāo)；初步分析驗(yàn)證了點(diǎn)膠閥閥針發(fā)生撓曲的可行性及必要性；在了解壓電陶瓷基礎(chǔ)理論的基礎(chǔ)上,運(yùn)用有限元軟件ANSY"><meta name="keywords" content="韶關(guān)點(diǎn)膠閥安裝操作注意事項(xiàng)"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" 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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="aebtf3r" 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>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>韶關(guān)點(diǎn)膠閥安裝操作注意事項(xiàng)</p><p><span>***更新：</span>2020-06-22 12:29:53</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="vzby3h8" 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(jī): </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="w7v3wtv" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="wq3vs3w" class="box"><p><p> ⑴分析并確定了影響非接觸壓電式點(diǎn)膠閥正常噴射的主要因素----放大機(jī)構(gòu)的設(shè)計(jì)方案,并提出了放大機(jī)構(gòu)比較大輸出位移為320μm的設(shè)計(jì)目標(biāo)；初步分析驗(yàn)證了點(diǎn)膠閥閥針發(fā)生撓曲的可行性及必要性；在了解壓電陶瓷基礎(chǔ)理論的基礎(chǔ)上,運(yùn)用有限元軟件ANSYS仿真分析所選壓電陶瓷的輸出位移與輸入電壓關(guān)系曲線,獲得200V時(shí)壓電陶瓷的比較大輸出位移為45μm,與實(shí)際測試結(jié)果基本相同,并且能滿足點(diǎn)膠閥對壓電陶瓷部件的位移要求。 </p> <p> ⑵通過ANSYS仿真,分析了放大機(jī)構(gòu)的輸出位移與拉緊螺栓預(yù)緊力F0、螺栓直徑D、三角塊長度L0、壓電陶瓷間距t等結(jié)構(gòu)參數(shù)之間的關(guān)系,并以優(yōu)化后的結(jié)構(gòu)參數(shù)D=2mm，韶關(guān)點(diǎn)膠閥安裝操作注意事項(xiàng),Lo=2mm，韶關(guān)點(diǎn)膠閥安裝操作注意事項(xiàng),t=10mm等尺寸設(shè)計(jì)樣機(jī),實(shí)驗(yàn)結(jié)果表明,樣機(jī)放大機(jī)構(gòu)的比較大輸出位移為320μm,滿足設(shè)計(jì)方案要求；放大機(jī)構(gòu)的輸出位移隨著施加電壓幅值的增大而增大,與占空比無關(guān)；當(dāng)驅(qū)動(dòng)頻率為0～65Hz時(shí),放大機(jī)構(gòu)的輸出位移基本保持在320μm左右，韶關(guān)點(diǎn)膠閥安裝操作注意事項(xiàng),達(dá)到65Hz,將隨著頻率的增大而迅速減小。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="韶關(guān)點(diǎn)膠閥安裝操作注意事項(xiàng)" src="http://tyunfile.71360.com/UploadFile/qunxun/637219622716269531/3301014.png"></div><p> 液壓式壓電驅(qū)動(dòng)噴射點(diǎn)膠閥設(shè)計(jì)與實(shí)驗(yàn) </p> <p> 為了實(shí)現(xiàn)電子封裝和SMT技術(shù) 中的高精度非接觸式點(diǎn)膠,設(shè)計(jì)了一種基于液壓放大原理將壓電疊堆輸出位移放大的壓電噴射點(diǎn)膠閥。首先通過建立噴射點(diǎn)膠模型,并利用FLUENT模擬分析影響撞針撞向噴嘴時(shí)產(chǎn)生的速度與壓力分布的參數(shù);然后通過改變不同邊界條件可得到撞擊速度、膠液黏度與供膠壓力等參數(shù)對噴射點(diǎn)膠的影響規(guī)律;***搭建測試平臺(tái)并實(shí)驗(yàn)結(jié)果表明噴射點(diǎn)膠精度與上述參數(shù)之間是密切相關(guān)的。實(shí)驗(yàn)選用黏度為500~3 500 MPa·s的環(huán)氧樹脂分別進(jìn)行點(diǎn)膠性能測試,結(jié)果顯示當(dāng)供膠氣壓為0.2 MPa,方波驅(qū)動(dòng)電壓為110 V(高電平5 ms,低電平5 ms),膠液粘度為3 500 MPa·s時(shí),采用該噴射點(diǎn)膠閥結(jié)構(gòu)可噴射出**小膠點(diǎn)體積為0.24μL,且膠點(diǎn)一致性可達(dá)6.62%。基于壓電陶瓷驅(qū)動(dòng)和柔性放大臂的點(diǎn)膠閥 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="韶關(guān)點(diǎn)膠閥安裝操作注意事項(xiàng)" src="http://tyunfile.71360.com/UploadFile/qunxun/637219622715097656/7600943.jpg"></div><p> 為實(shí)現(xiàn)上述發(fā)明目的，本實(shí)用新型所采用的技術(shù)方案是：一種高精度點(diǎn)膠閥，本點(diǎn)膠閥包括閥體以及固設(shè)在閥體外側(cè)面上的連接部，閥體中設(shè)有滑道，由馬達(dá)驅(qū)動(dòng)而上下移動(dòng)的注射桿自上而下插入所述滑道中，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(dòng)配合，所述滑道的上端設(shè)有與注射桿的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(jìn)液通道相連通，所述連接部中的進(jìn)液通道遠(yuǎn)離閥體的一端設(shè)有與膠管相連通的進(jìn)液接頭；閥體的下端設(shè)有與針嘴相連通的排液接頭組件；所述閥體中還設(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。 </p> <p> 所述密封裝置包括沿注射桿的桿身上下設(shè)置的密封圈，所述密封圈的頂部設(shè)有壓板，壓板的一端壓靠固定在在閥體的上端面上，壓板的另一端向下彎折并貼靠在閥體的周側(cè)面上；所述壓板壓靠在閥體上端面的板體上設(shè)有供注射桿的桿身穿過的孔，壓板貼靠在閥體的周側(cè)面上的板體上設(shè)有安裝固定閥體的螺釘。 </p> <p> <br /> </p> <p> <br /> </p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/349776.html</p></div></div></div></div></div><div id="pjq2zo2" class="page-right twoColRt"><div id="q8pja3l" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="e8yaxzj" class="recomPic likePro"><a 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