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class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海邁頜信息科技有限公司</a></p><p><span>聯(lián)系人：</span>王欽</p><p><span>郵箱: </span>834334323@qq.com</p><p><span>電話: </span>18917232386</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.maihetech.com</p><p><span>手機: </span>021-62086881</p><p><span>地址: </span>上海市松江區(qū)九亭鎮(zhèn)九亭中心路1158號21幢708室-2A</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="4um7h2u" class="page-proshow02"><p class="title">詳細說明</p><div id="tizbaw2" class="box"><p><p style="text-indent:25px">20世紀初，世界上一架飛機出現(xiàn)以后，飛機和其他各種飛行器得到迅速發(fā)展。20世紀50年代開始的航天飛行，使人類的活動范圍擴展到其他星球和銀河系。航空航天事業(yè)的蓬勃發(fā)展是同流體力學的分支學科--空氣動力學和氣體動力學的發(fā)展緊密相連的。這些學科是流體力學中活躍，上海重型軟管流體工具產(chǎn)品、富有成果的領(lǐng)域。石油和天然氣的開采，地下水的開發(fā)利用，要求人們了解流體在多孔或縫隙介質(zhì)中的運動，這是流體力學分支之一--滲流力學研究的主要對象。滲流力學還涉及土壤鹽堿化的防治，化工中的濃縮，上海重型軟管流體工具產(chǎn)品、分離和多孔過濾，上海重型軟管流體工具產(chǎn)品，燃燒室的冷卻等技術(shù)問題。根據(jù)流體粘性的差別，可將流體分為兩大類，即理想流體和實際流體。上海重型軟管流體工具產(chǎn)品</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海重型軟管流體工具產(chǎn)品,流體" src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637382847473994141/8668307.png"></div><p style="text-indent:25px">無旋流動就是流體運動過程中流體質(zhì)點無旋轉(zhuǎn)的流動。盡管有旋流動是自然界中普遍存在的，但在一些假設或某種近似條件***動還是可以視為無旋的。例如，對于無黏、正壓流體（流體密度*是壓力的函數(shù)即為正壓流體，如等溫、等熵流動假設，等密度流動是正壓流體的一個特例），當假設質(zhì)量力有勢時，均勻來流繞流物體運動或從靜止狀態(tài)開始的流動就屬于無旋流動。無旋流動的重要意義在于，無旋條件下可以得到速度的勢函數(shù)，如果再假設流體是不可壓縮的，就可以得到速度勢的拉普拉斯方程，它在數(shù)學上有成熟的方法處理。因此無旋流動也是一種應用普遍的簡化模型。上海卷管器流體控制流體形狀在粗細中不斷變化，即流暢又豐富。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海重型軟管流體工具產(chǎn)品,流體" src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637382847465390625/1382980.png"></div><p style="text-indent:25px">單項流體和多項流體: 單組分氣體、多組分氣體或彼此能溶解的液體都是單相流體，而固體顆粒、液體顆粒懸浮在氣體介質(zhì)中，這樣的流體則為多相流。在除塵技術(shù)中，含塵氣體在管道中的流動過程可以按單相流體處理，而粉塵在除塵器中的分離過程則必需按多相流體處理。流體的壓縮性和膨脹性: 流體受壓力作用時體積縮小、密度增大的性質(zhì)稱為流體的壓縮性。流體隨著溫度的升高體積膨脹、密度減小的性質(zhì)，稱為流體的膨脹性。在工程上，對于氣流速度遠小于聲速且處于常溫常壓條件下的氣體，可近似地認為是不可壓縮的氣體。如在常溫常壓下工作的除塵器、風機、通風管道等裝置中的氣體都可按不可壓縮流體進行處理；而對于在高溫高壓下的流動的氣體則必需按可壓縮流體處理，否則將會導致較大誤差。</p><p style="text-indent:25px">聯(lián)軸器的選型方法 1.根據(jù)機械特性的要求，如有無齒隙、抗扭剛度高低、振動沖擊力吸收等等，選擇合適的聯(lián)軸器型式。 2.由驅(qū)動機械（如電機）動力 [KW,HP] 及聯(lián)軸器使用回轉(zhuǎn)數(shù) [N] 求得聯(lián)軸器承受的轉(zhuǎn)矩 [TA] TA(Kg.m)=973.5×KW/N(rpm)=716.2×HP/N(rpm)或 TA(N·m)=9550×KW/N(r/min) 3.由被正系數(shù)表中查得負載條件系數(shù) K1 ，運轉(zhuǎn)時間系數(shù) K2 ，起動停止頻度系數(shù) K3 ，周圍環(huán)境溫度系數(shù)K4 ，求得補正扭力 [TD] 。 TD=TA · K1 · K2 · K3 · K4 4.選用聯(lián)軸器的常用轉(zhuǎn)矩必須大于被正轉(zhuǎn)矩。 5.聯(lián)軸器所能承受的較大扭力必須大于原動側(cè)及被動側(cè)雙方所產(chǎn)生的較大扭力。 6.確定孔徑范圍是否適用。 7.除了以上的選定步驟外，對于振動頻率亦須檢討。即轉(zhuǎn)矩變動的頻率與軸的固有振動數(shù)避免造成共振的現(xiàn)象產(chǎn)生。沒有黏性的流體又稱為超流體。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海重型軟管流體工具產(chǎn)品,流體" src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637382847512148438/8901706.png"></div><p style="text-indent:25px">20世紀60年代，根據(jù)結(jié)構(gòu)力學和固體力學的需要，出現(xiàn)了計算彈性力學問題的有限元法。經(jīng)過十多年的發(fā)展，有限元分析這項新的計算方法又開始在流體力學中應用，尤其是在低速流和流體邊界形狀甚為復雜問題中，優(yōu)越性更加明顯。如今來又開始了用有限元方法研究高速流的問題，也出現(xiàn)了有限元方法和差分方法的互相滲透和融合。巨大進展是和采用各種數(shù)學分析方法和建立大型、精密的實驗設備和儀器等研究手段分不開的。從50年代起，電子計算機不斷完善，使原來用分析方法難以進行研究的課題，可以用數(shù)值計算方法來進行，出現(xiàn)了計算流體力學這一新的分支學科。與此同時，由于民用和生產(chǎn)的需要，液體動力學等學科也有很大進展。流體適用范圍：用于流體產(chǎn)品質(zhì)量控制。上海重型軟管流體工具產(chǎn)品</p><p style="text-indent:25px">深入地開展基礎(chǔ)研究以探求流體的復雜流動規(guī)律和機理。上海重型軟管流體工具產(chǎn)品</p><p style="text-indent:25px">近一段時期，中美貿(mào)易摩擦持續(xù)影響對外貿(mào)易發(fā)展，機械行業(yè)貿(mào)易企業(yè)通過多種渠道加強深化與傳統(tǒng)貿(mào)易伙伴的合作，并積極拓展新貿(mào)易伙伴、謀求新發(fā)展。再制造就是追求低碳、環(huán)保、綠色制造，被視為未來產(chǎn)業(yè)升級替代的發(fā)展方向。有資料顯示，壓縮空氣卷管器-封閉式，MultiFLOW風***，TLX系列接頭，F(xiàn)RL過濾器再制造產(chǎn)品比新產(chǎn)品的制造節(jié)能60%，平均有55%的部件都可以被再利用，制造過程中可以節(jié)省80%以上的能源消耗。同時，環(huán)保政策將趨向嚴格——2020年起將加速有限責任公司（自然）“國三”標準以下設備報廢清退;起重機與挖機不同，屬于道路移動機械，環(huán)保政策更為嚴格，設備報廢清退執(zhí)行更為徹底，目前可銷售設備為“國五”及以上，但存量設備有一半左右為“國四”及以下標準，2019年7月開始推行“國六”，判斷“國三”、“國四”清退也為“國六”設備銷售騰挪空間。實施轉(zhuǎn)換的獨一途徑是依靠科技創(chuàng)新驅(qū)動發(fā)展。邁頜科技主要經(jīng)營，氣動接頭、軟管、呼吸空氣接頭、呼吸空氣軟管、超高壓接頭、超高壓接頭總成、電動泵，手動泵、熱量控制接頭、流體接頭、液壓接頭、特殊氣體接頭、配件等等，主要適用于農(nóng)業(yè)機械、汽車制造、航天領(lǐng)域、**、建筑、醫(yī)學、船舶、海洋、運輸、風電、急救等行業(yè)。是我國邁頜科技主要經(jīng)營，氣動接頭、軟管、呼吸空氣接頭、呼吸空氣軟管、超高壓接頭、超高壓接頭總成、電動泵，手動泵、熱量控制接頭、流體接頭、液壓接頭、特殊氣體接頭、配件等等，主要適用于農(nóng)業(yè)機械、汽車制造、航天領(lǐng)域、**、建筑、醫(yī)學、船舶、海洋、運輸、風電、急救等行業(yè)。工業(yè)的裝備技術(shù)基礎(chǔ)，圍繞邁頜科技主要經(jīng)營，氣動接頭、軟管、呼吸空氣接頭、呼吸空氣軟管、超高壓接頭、超高壓接頭總成、電動泵，手動泵、熱量控制接頭、流體接頭、液壓接頭、特殊氣體接頭、配件等等，主要適用于農(nóng)業(yè)機械、汽車制造、航天領(lǐng)域、**、建筑、醫(yī)學、船舶、海洋、運輸、風電、急救等行業(yè)。工業(yè)結(jié)構(gòu)調(diào)整的需要，發(fā)展**邁頜科技主要經(jīng)營，氣動接頭、軟管、呼吸空氣接頭、呼吸空氣軟管、超高壓接頭、超高壓接頭總成、電動泵，手動泵、熱量控制接頭、流體接頭、液壓接頭、特殊氣體接頭、配件等等，主要適用于農(nóng)業(yè)機械、汽車制造、航天領(lǐng)域、**、建筑、醫(yī)學、船舶、海洋、運輸、風電、急救等行業(yè)。裝備技術(shù)，提高國產(chǎn)邁頜科技主要經(jīng)營，氣動接頭、軟管、呼吸空氣接頭、呼吸空氣軟管、超高壓接頭、超高壓接頭總成、電動泵，手動泵、熱量控制接頭、流體接頭、液壓接頭、特殊氣體接頭、配件等等，主要適用于農(nóng)業(yè)機械、汽車制造、航天領(lǐng)域、**、建筑、醫(yī)學、船舶、海洋、運輸、風電、急救等行業(yè)。裝備制造水平，是我國邁頜科技主要經(jīng)營，氣動接頭、軟管、呼吸空氣接頭、呼吸空氣軟管、超高壓接頭、超高壓接頭總成、電動泵，手動泵、熱量控制接頭、流體接頭、液壓接頭、特殊氣體接頭、配件等等，主要適用于農(nóng)業(yè)機械、汽車制造、航天領(lǐng)域、**、建筑、醫(yī)學、船舶、海洋、運輸、風電、急救等行業(yè)。產(chǎn)業(yè)由大轉(zhuǎn)強的重要基礎(chǔ)和關(guān)鍵。上海重型軟管流體工具產(chǎn)品</p></p><br 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