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style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>杭州手動超聲波焊接設(shè)備廠家,超聲波焊接設(shè)備</p><p><span>***更新：</span>2021-02-02 11:16:23</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="wug4eyj" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">杭州宸榮超聲波設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>周燁</p><p><span>郵箱: </span>13777898261@163.com</p><p><span>電話: </span>15958161687</p><p><span>傳真: </span>137_</p><p><span>網(wǎng)址: </span>http://hzcrcsb.shop.88360.com</p><p><span>手機: </span>137-77898261</p><p><span>地址: </span>靈橋鎮(zhèn)光明村</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="mkguvw8" class="page-proshow02"><p class="title">詳細說明</p><div id="bjpojlh" class="box"><p><p style="text-indent:25px">超聲波焊接設(shè)備原理:當超聲波作用于熱塑性的塑料接觸面時，會產(chǎn)生每秒幾萬次的高頻振動，這種達到一定振幅的高頻振動，通過上焊件把超聲能量傳送到焊區(qū)，由于焊區(qū)即兩個焊接的交界面處聲阻大，因此會產(chǎn)生局部高溫。又由于塑料導(dǎo)熱性差，一時還不能及時散發(fā)，聚集在焊區(qū)，致使兩個塑料的接觸面迅速熔化，加上一定壓力后，使其融合成一體。當超聲波停止作用后，讓壓力持續(xù)幾秒鐘，使其凝固成型，這樣就形成一個堅固的分子鏈，達到焊接的目的，焊接強度能接近于原材料強度。超聲波塑料焊接的好壞取決于換能器焊頭的振幅，所加壓力及焊接時間等三個因素，焊接時間和焊頭壓力是可以調(diào)節(jié)的，杭州手動超聲波焊接設(shè)備廠家，振幅由換能器和變幅桿決定。這三個量相互作用有個適宜值，能量超過適宜值時，塑料的熔解量就大，焊接物易變形；若能量小，杭州手動超聲波焊接設(shè)備廠家，則不易焊牢，所加的壓力也不能太大，杭州手動超聲波焊接設(shè)備廠家。這個較佳壓力是焊接部分的邊長與邊緣每1mm的較佳壓力之積。超聲波作用于液體時可產(chǎn)生大量小氣泡。杭州手動超聲波焊接設(shè)備廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州手動超聲波焊接設(shè)備廠家,超聲波焊接設(shè)備" src="https://tyunfile.71360.com/UploadFile/hzcrcsb/637389793278336266/6537384.png"></div><p style="text-indent:25px">超聲波焊接工藝對加壓系統(tǒng)的要求：1 壓力的作用。加壓是超聲波塑料焊接不可缺少的條件。在焊接過程中,壓力的作用可以歸結(jié)為以下幾點:(1)使焊頭和工件貼合緊密，令聲學系統(tǒng)中的超聲振動能有效地傳給工件。(2)使塑料焊件界面緊密貼合，工件間的摩擦才能轉(zhuǎn)化為熱能。(3）當界面熔化形成接頭時,壓力的作用有利于塑料內(nèi)部有機分子鏈的形成。(4)在按頭凝固過程中，壓力的作用相當于對焊件的拘束.如果焊后就松壓.焊件易于回彈開裂。(5)壓力好終影響焊接強度,因為它不僅影響上述幾個方面,同時也影響焊機輸出功率,- 般地講.焊接壓力增加,,得機輸出功率增加。由此可見.良好加壓系統(tǒng)是超聲波焊接機系統(tǒng)中必需的。是保證得接質(zhì)量的重要前提。上海塑料超聲波焊接設(shè)備當超聲波在介質(zhì)中傳播時，由于超聲波與介質(zhì)的相互作用，使介質(zhì)發(fā)生物理的和化學的變化。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州手動超聲波焊接設(shè)備廠家,超聲波焊接設(shè)備" src="https://tyunfile.71360.com/UploadFile/hzcrcsb/637389793453336329/6093076.png"></div><p style="text-indent:25px">超聲波熔接實例：日用品業(yè)：粉盒、化妝鏡、發(fā)梳、鎖圈、保溫杯、密封式容器、調(diào)味瓶、水管接頭、提把、瓶蓋、食品容器、汽車燈罩、汽車水箱… 等。玩具業(yè)：各式球類玩具、文具、水、塑料禮品、音樂玩具、及各式塑料玩具…等。電器業(yè)：電子鐘、蒸氣熨斗、吸塵器、電話、計算機鍵盤、電風扇、電池…等。汽車制造業(yè)：車燈、照后鏡、內(nèi)飾、保險杠、各類塑料成品…等。電子行業(yè)：主要生產(chǎn)電源、適配器、充電器、手機外殼等眾多與塑料相關(guān)產(chǎn)品。電子行業(yè)是使用超聲波塑焊機較多的行業(yè)。熱板熔接：利用模板將其加熱至所需要之溫度，再放置于塑料工件與工件之結(jié)合面的中間，使熱力集中于兩個結(jié)合面，受熱后產(chǎn)生熔解時，退出熱模板后，再利用外在壓力，致使工件合而為一，成為堅固奈久性的功用。可處理熔接物，本身硬度較高，形狀復(fù)雜，體積碩大的產(chǎn)品皆可迎仞而解。熱熔實例：汽車車燈、戶外冰箱、門板、打氣筒、儲水筒、吸塵器、洞洞球、CD盒、洗衣機平衡環(huán)、韻律舞踏板等。</p><p style="text-indent:25px">超聲波對人體有什么危害？超聲波焊接有什么危害？超聲波焊接機使用的頻率一般有15khz，20khz，35khz，和40khz。這個頻率處于超聲波的較低頻段，遠遠低于醫(yī)用超聲檢測用的兆赫茲MHz級別，沒有確切的數(shù)據(jù)證明超聲波焊接機對人體有太大的傷害，但較少的缺點就是，焊接時一定要帶上耳塞，防止長時間工作，對聽力產(chǎn)生影響！對于工業(yè)用超聲，例如超聲波焊接，超聲波清洗，也是要結(jié)合超聲波頻率和聲強來看的，很多場合還要考慮暴露時間和強度，例如長時間處于超聲波清洗的相聲中，一句話來說，低頻超聲（20kHz左右），都需要有耳罩保護，雖然理論上無害，但聽著鬧心。超聲波焊接機使用的頻率一般有15khz，20khz，35khz，和40khz。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州手動超聲波焊接設(shè)備廠家,超聲波焊接設(shè)備" src="https://tyunfile.71360.com/UploadFile/hzcrcsb/637389793235143011/9527091.png"></div><p style="text-indent:25px">超聲波焊接原理就是是通過超音波電源發(fā)生器將50/60Hz電流轉(zhuǎn)換成15khz、20khz、30khz或40KHz電能通過超聲波壓電陶瓷換能器再次被轉(zhuǎn)換成為同頻率的機械振動即超音波振動。然后通過超聲波變幅桿進行振幅放大然后傳遞到超聲波焊頭。超聲波焊頭將接收到的振動能量傳遞到待焊接塑料工件的接合部。由于通過此處的聲阻抗很大，結(jié)合面會產(chǎn)生巨大的熱能從而將塑料熔化。超聲波不僅可以被用來焊接硬熱塑性塑料，還可以加工織物和薄膜。一套超聲波焊接系統(tǒng)的主要組件包括超聲波發(fā)生器，超聲波換能器、超聲波變幅桿、超聲波焊頭三聯(lián)件，底模治具和機架。超聲波焊接機設(shè)備設(shè)計為在10-75kHz頻率范圍內(nèi)運轉(zhuǎn)，每個運轉(zhuǎn)頻率都有優(yōu)缺點。杭州手動超聲波焊接設(shè)備廠家</p><p style="text-indent:25px">15khz超聲波焊接機適合焊接較大型的，難易焊接的，比較粗獷的塑膠產(chǎn)品。杭州手動超聲波焊接設(shè)備廠家</p><p style="text-indent:25px">超聲波對人體有什么危害？超聲波焊接有什么危害？目前尚無確切的報告指出空氣傳播的超聲會造成聽力損傷，不過有一些主觀的不適感受如頭疼，耳部不適等。即便如此，超聲波所引發(fā)的次諧波在足夠大的聲強下，仍能對聽力造成損害。因此現(xiàn)今工業(yè)界已有明確的標準來限制超聲波的強度，相比于高頻超聲，對于低頻（20kHz左右）的超聲波的強度要求更嚴格，因為部分人群仍有可能聽到這個頻率的聲音?，F(xiàn)在好為寬松的標準是美國當?shù)毓I(yè)健康協(xié)會在21世紀初修訂的，對于20kHz的超聲波，允許的好大聲強為135dB，而暴露8小時的情況下，則只允許94dB的聲強。對于高頻超聲，這個標準會適當放寬，而如果人和聲源之前有液體耦合的話，則必須在此標準中減低30dB。杭州手動超聲波焊接設(shè)備廠家</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3127380.html</p></div></div></div></div></div><div id="hpg0aqh" class="page-right twoColRt"><div id="obhfbci" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="34fv3lv" class="recomPic likePro"><a href="http://www.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" 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