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src="http://tyunfile.71360.com/UploadFile/qunxun/637211876906074218/7463302.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3v3khrn" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/qunxun/637211876906074218/7463302.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="87g7sho" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>**螺桿泵排名靠前,螺桿泵</p><p><span>***更新：</span>2020-10-12 13:06:34</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="74oig8l" 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="ovcrazl" class="page-proshow02"><p class="title">詳細說明</p><div id="7r9qx8t" class="box"><p><p> G型單螺桿泵螺桿軸磨損五點原因： </p> <p> 1、每種塑料，都有一個理想塑化的加工溫度范圍，應該控制料筒加工溫度，使之接近這個溫度范圍。粒狀塑料從料斗進入料筒，首先會到達加料段，在加料段必然會出現干性磨擦，當這些塑料受熱不足，熔融不均時，很易造成料筒內壁及螺桿表面磨損增大。同樣，在壓縮段和均化段，如果塑料的熔融狀態(tài)紊亂不均，也會造成磨損增快。 </p> <p> 2、轉速應調校得當。由于部分塑料加有強化劑，如玻璃纖維、礦物質或其他填充料。這些物質對金屬材質的磨擦力往往比熔融塑料的大得多。在注塑這些塑料時，如果用高的轉速成，則在提高對塑料的剪切力的同時，亦將令強化相應地產生更多被撕碎的纖維，被撕碎的纖維含有鋒利末端，**螺桿泵排名靠前，令磨損力大為增加。無機礦物質在金屬表面高速滑行時，其刮削作用也不小。所以轉速不宜調得太高，**螺桿泵排名靠前，**螺桿泵排名靠前。 </p> <p> <br /> 更換填料時，應全部更換，軸若磨損嚴重也應更換。**螺桿泵排名靠前</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="**螺桿泵排名靠前,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876906074218/7463302.jpg"></div><p> 我們先把出料口上的螺絲松下來 </p> <p> 卸下出料口 </p> <p> 再把四個吊緊螺栓拆卸下來 </p> <p> 這時只剩定子在上面了，一人固定住聯軸器（大泵用管鉗固定），一人旋轉定子，將其退下 </p> <p> 這樣單螺桿泵定子就成功的拆卸下來了。 </p> <p> 分析定子轉子的損壞原因： </p> <p> 拆卸下來了，我們可以將定子用水沖洗下，看看里面有沒有磨損、劃痕或者龜裂等以判斷它是怎么損壞的。 </p> <p> 轉子也可以將其擦拭干勁，觀察其表面有無劃痕、掉塊等。 </p> <p> <br /> </p> <p> 分析定子轉子的損壞原因： </p> <p> 拆卸下來了，我們可以將定子用水沖洗下，看看里面有沒有磨損、劃痕或者龜裂等以判斷它是怎么損壞的。 </p> <p> 轉子也可以將其擦拭干勁，觀察其表面有無劃痕、掉塊等。 </p> <p> <br /> 螺桿泵歡迎咨詢特點是流量平穩(wěn)、壓力脈動小、有一定自吸能力、噪聲低、效率高、壽命長、工作可靠。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="**螺桿泵排名靠前,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876900322265/6521222.jpg"></div><p> 第三梯度是國內企業(yè)產品。國內螺桿泵企業(yè)在技術上和品牌上處于劣勢，只能通過壓低價格、提高服務質量、減少交貨周期來贏得客戶，因而價格往往比進口螺桿泵要低20％－30％。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 從產品結構來看，螺桿泵產品種類較多，規(guī)格復雜，價格跨度較大。加上一些中小企業(yè)以低廉的價格進行惡性競爭，擾亂了市場價格。一般而言，原材料等級越高、產品規(guī)格越高的螺桿泵價格更高。分種類而言，三螺桿泵結構簡單，便于維修，價格也相對較低。雖然我國國內的螺桿泵與國外專業(yè)公司相比還存在差距，但隨著我國螺桿泵科研力量的投入及應用實踐的增多，螺桿泵未來發(fā)展趨勢是開發(fā)低轉速，長導程，傳動量部件材質優(yōu)良，額定壽命長的產品替代原來傳統(tǒng)螺桿泵。 </p> <p> <br /> </p> <p> <br /> </p><p> 單螺桿泵的嚙合副型線，近十多年來國外有些廠商開發(fā)雙頭螺旋的轉子和三頭內嚙合螺旋的定子相嚙合的單螺桿泵進展很快，個別的廠商已發(fā)展到大批量生產和銷售。我國也有少數制造廠進行研制，目前尚處在開發(fā)階段。 </p> <p> 雙頭螺旋轉子和三頭內螺旋定子構成的單螺桿泵與單頭螺旋轉子和雙頭內螺旋定子構成的單螺桿泵相比較，有著如下的優(yōu)點： </p> <p> 1）在相同轉速和相同橫向尺寸的螺旋段情況下，有著較大的流量，或在相同激量時導程T的尺寸較小。 </p> <p> 2）由于轉子每轉一周，密封腔數為2×3 =6,而單頭螺旋轉子和雙頭內螺旋定子的泵，密封腔數為1×2 =2,因此其流量脈動和壓力脈動較小。 </p> <p> 3 ）轉子的偏心距較小，因此噪聲和振動也隨之降低，并允許采用較高的轉速，或在相同的轉速和相同流量時，吸上性能更好。 </p> <p> 4）容積效率和機械效率也更高。 </p> <p> 5)起動力距較小。 </p> <p> 6)壽命更長。 </p> <p> <br /> 無效的泵運轉常是氣干擾造成的，可通過聲波液面測量和示功圖進行診斷。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="**螺桿泵排名靠前,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876900878906/8418485.jpg"></div><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 2.啟動前的準備 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 經過***檢查，確認一切正常后，才可作啟動的準備工作。應有以下幾項工作。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> （1）關閉排水管路上的閥門，以降低啟動電流； </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> （2）打開放氣旋塞，向水螺桿泵內灌水，同時用手轉動聯軸器，使葉輪內殘存的空氣盡可能排出，直至放氣旋塞有水冒出時，再將其關閉； </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> （3）大型水螺桿泵用真空螺桿泵抽氣灌水時，應關閉放氣旋塞及真空表和壓力表的旋塞，以保護儀表的準確性。 3.啟動 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 完成以上準備工作后，便可啟動螺桿泵。啟動后待水螺桿泵轉速穩(wěn)定，電流表指針擺動到指定位置，這時再把真空表及壓力表的旋塞打開，并慢慢開啟出口閥門，水螺桿泵進人正常運行。與此同時還應將水封管的閥門打開。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 螺桿泵啟動后空轉時間不能太長，通常以2～4min為限，如果時間過長，水的溫度就會升高，可能導致汽蝕現象或其他不良后果。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 在泵的吸入口和排出口之間，就會被分隔成一個或多個密封空間。茂名螺桿泵經銷批發(fā)</p><p style="text-indent:25px">一部分泵排量受氣干擾而損失，如果消除泵內氣的干擾和控制泵的運轉時間。**螺桿泵排名靠前</p><p> 2、單螺桿泵的運行 </p> <p> 螺桿泵必須按規(guī)定的方向工作，以產生一定的吸力和流量。在工作時，應檢查壓力、溫度和機械密封。對于軸封，應有輕微泄漏。如果泄漏量不超過20-30秒/滴，則認為是正常的。如果螺桿泵在工作中產生噪聲，則經常是由于油溫度低、油粘度高、油中空氣、耦合損失和泵的過度磨損造成的。 </p> <p> <br /> </p> <p> 3、單螺桿泵停車 </p> <p> 螺桿泵停止后，首先關閉排氣停止閥，關閉泵后關閉吸入截止閥。由于螺桿長度大，剛性差，螺桿泵容易產生彎曲，造成異常工作，軸系統(tǒng)的連接必須良好，中間工作比較好是在安裝和定位后進行，避免管路連接。應引起變形，連接管應**固定，盡可能減少泵的連接等，另外，備用螺絲比較好在存放期間懸掛和固定，以避免因放置不均勻引起的變形。 </p> <p> <br /> </p> <p> <br /> **螺桿泵排名靠前</p><p style="text-indent:25px">深圳市群勛科技有限公司致力于機械及行業(yè)設備，是一家貿易型公司。公司業(yè)務涵蓋視覺噴點膠機，點膠閥，壓力泵，壓痕檢測機等，價格合理，品質有保證。公司秉持誠信為本的經營理念，在機械及行業(yè)設備深耕多年，以技術為先導，以自主產品為重點，發(fā)揮人才優(yōu)勢，打造機械及行業(yè)設備良好品牌。群勛科技憑借創(chuàng)新的產品、專業(yè)的服務、眾多的成功案例積累起來的聲譽和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1525867.html</p></div></div></div></div></div><div id="izk8afg" class="page-right twoColRt"><div id="8moyd2z" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="h3djvbh" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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