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style="text-indent:25px">共板式無法蘭連接的技術(shù)要求:a.風(fēng)管兩端的四個(gè)法蘭面剪角尺寸必須準(zhǔn)確，否則加工完后法蘭的四個(gè)面不平整,會(huì)造成風(fēng)管扭曲，不規(guī)則等。b.必須使用與風(fēng)管法蘭面相應(yīng)配套的共板法蘭手動(dòng)折邊機(jī)或板料液壓折彎?rùn)C(jī)配上下模進(jìn)行風(fēng)管與法蘭連接面的折邊加工，否則會(huì)影響法蘭面的加工質(zhì)量，如法蘭的損壞扭曲不平等。c.兩段風(fēng)管法蘭面必須粘貼好密封膠后再進(jìn)行連接各堅(jiān)固四個(gè)角碼上的螺栓。d.風(fēng)管法蘭面在加工過程中必須注意保持90度直角，過大或過小均會(huì)影響風(fēng)管法蘭的質(zhì)量如風(fēng)管扭曲、錯(cuò)位及安裝和連接上的不便。四川矩形風(fēng)管加工廠家就找成都瑞琮環(huán)境科技有限公司。成都風(fēng)管法蘭生產(chǎn)定做廠家</p><p style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="成都風(fēng)管法蘭生產(chǎn)定做廠家,加工" src="https://img01.71360.com/file/read/www2/M00/6C/82/rBwBEmSEE0CAcUBYAAQCPdwj_uA772.png?wmk=827345785787125760"></p><p style="text-indent:25px">風(fēng)管法蘭的焊接應(yīng)熔合良好、飽滿，無假焊和孔洞；成形法蘭內(nèi)邊尺寸允許偏差為+1～+3mm，平面度允許偏差為2mm，對(duì)角線之差小于3mm；同一批量加工的相同規(guī)格法蘭的螺孔排列應(yīng)一致，并具有互換性。法蘭上鉚孔、螺孔全采用機(jī)械鉆孔，且要制作樣本進(jìn)行鉆孔，每個(gè)樣本加工法蘭不得多于10個(gè)；中、低壓系統(tǒng)風(fēng)管的螺栓及鉚釘孔的孔距不得大于150mm,高壓系統(tǒng)風(fēng)管不得大于100mm。矩形風(fēng)管法蘭的四角部位應(yīng)設(shè)有螺孔。成品法蘭應(yīng)先清理毛刺、鈍邊及焊渣，再除去角鋼上的銹跡，然后刷防銹漆兩度、面漆一度。成都風(fēng)管法蘭生產(chǎn)定做廠家消防排煙管道加工廠家就找成都瑞琮環(huán)境科技有限公司。</p><p style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="成都風(fēng)管法蘭生產(chǎn)定做廠家,加工" src="https://img01.71360.com/file/read/www2/M00/6C/80/rBwBEmSEEmuALI1CAAMV2rCEN8A326.png?wmk=827345785787125760"></p><p style="text-indent:25px">三通的制作：受每節(jié)管段長(zhǎng)度的限值，大型矩形三通管的制作采用整體制作，直接通過人工對(duì)板材進(jìn)行拼接、下料、上法蘭、加固等工序制作完成。小型矩形三通管制作時(shí)，將主管與直管短管分開制作，然后通過不同材質(zhì)風(fēng)管所采取的不同工藝使直管與主管連接起來。圓形三通的直管與總管夾角為15－60°，制作偏差小于3°，插接式三通管段長(zhǎng)度為2倍直管直徑加100mm、直管長(zhǎng)度不小于200mm。當(dāng)風(fēng)管曲率半徑小于其邊長(zhǎng)的1.5倍時(shí)，在風(fēng)管的彎曲部分安裝導(dǎo)流片。</p><p style="text-indent:25px">風(fēng)管軟接頭的制作：風(fēng)管與風(fēng)機(jī)盤管、空調(diào)箱、帶風(fēng)機(jī)的變風(fēng)量末端、送排風(fēng)機(jī)進(jìn)出口之間的連接以及穿越沉降縫、變形縫的風(fēng)管兩側(cè)設(shè)150mm～200mm的軟接頭，軟接頭采用雙層晴綸帆布制作，外涂自熄性隔氣涂料。軟接頭的安裝松緊適當(dāng)，不扭曲；下料時(shí)要根據(jù)現(xiàn)場(chǎng)情況，力求準(zhǔn)確；另外，不能通過軟接頭找正或變徑。風(fēng)管軟接頭的制作：風(fēng)管與風(fēng)機(jī)盤管、空調(diào)箱、帶風(fēng)機(jī)的變風(fēng)量末端、送排風(fēng)機(jī)進(jìn)出口之間的連接以及穿越沉降縫、變形縫的風(fēng)管兩側(cè)設(shè)150mm～200mm的軟接頭，軟接頭采用雙層晴綸帆布制作，外涂自熄性隔氣涂料。軟接頭的安裝松緊適當(dāng)，不扭曲；下料時(shí)要根據(jù)現(xiàn)場(chǎng)情況，力求準(zhǔn)確；另外，不能通過軟接頭找正或變徑。防火復(fù)合風(fēng)管加工廠家就找成都瑞琮環(huán)境科技有限公司。</p><p style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="成都風(fēng)管法蘭生產(chǎn)定做廠家,加工" src="https://img01.71360.com/file/read/www2/M00/6C/81/rBwBEmSEEyOAJuGXAAXq5rt99ZY511.png?wmk=827345785787125760"></p><p style="text-indent:25px">風(fēng)管的加固：用角鋼加固:加固的強(qiáng)度大，目前采用。角鋼規(guī)格可以略小于法蘭規(guī)格，當(dāng)大邊尺寸為630-800mm時(shí)，可采用∠25*4的扁鋼做加固框;當(dāng)大邊尺寸為800-1250mm時(shí)可采用∠25*25*4的扁鋼做加固框;當(dāng)大邊尺寸為1250-2000mm時(shí)可采用∠30*30*4的扁鋼做加固框.加固框必須與風(fēng)管鉚接，鉚釘?shù)拈g距應(yīng)均勻，不應(yīng)小于220mm兩相交處應(yīng)連成一體。風(fēng)管大邊用角鋼加固，適用于風(fēng)管大邊尺寸在加固規(guī)定范圍，而風(fēng)管小邊尺寸未在規(guī)定范圍。其施工簡(jiǎn)單，可節(jié)省人工和材料，由于外觀欠佳，明裝風(fēng)管較少采用。使用的角鋼規(guī)格可與法蘭相同。排風(fēng)管生產(chǎn)廠家就找成都瑞琮環(huán)境科技有限公司。成都風(fēng)管法蘭生產(chǎn)定做廠家</p><p style="text-indent:25px">成都消防風(fēng)管加工廠家就找成都瑞琮環(huán)境科技有限公司。成都風(fēng)管法蘭生產(chǎn)定做廠家</p><p style="text-indent:25px">作業(yè)條件：⑴風(fēng)管預(yù)制：應(yīng)有的工作場(chǎng)地，場(chǎng)地應(yīng)平整，清潔，加工平臺(tái)應(yīng)找平。雙面鋁箔絕熱板風(fēng)管等其他復(fù)合材料風(fēng)管的場(chǎng)地應(yīng)干燥，應(yīng)有足夠的成品堆放場(chǎng)地。⑵作業(yè)地點(diǎn)應(yīng)有安放施工機(jī)具和材料堆放場(chǎng)地，設(shè)施和電源應(yīng)有可靠的安全防護(hù)裝置。⑶作業(yè)場(chǎng)地道路應(yīng)暢通。必須設(shè)置能滿足消防要求的各種器械及設(shè)施。⑷加工設(shè)備布置在建筑物內(nèi)時(shí)，應(yīng)考慮建筑物樓板、梁的承載功能力，必要時(shí)應(yīng)采用相應(yīng)措施。⑸加工場(chǎng)地應(yīng)預(yù)留現(xiàn)場(chǎng)材料、成品及半成品的運(yùn)輸通道，加工場(chǎng)地的選擇不得阻礙消防通道。成都風(fēng)管法蘭生產(chǎn)定做廠家</p></div> </div> <div id="8gzv3zcq3zww" class="sxp"> <ul> <li>上一篇：<a href="http://plasticsurgerycash.com/Article/18b199980.html" title="浙江精密沖壓模具銷售廠家">浙江精密沖壓模具銷售廠家</a> </li> <li>下一篇：<a href="http://plasticsurgerycash.com/Article/39d299958.html" title="四川內(nèi)螺紋拉床加工廠家">四川內(nèi)螺紋拉床加工廠家</a> </li> </ul> </div> </div> </div> <div id="8gzv3zcq3zww" class="left2 bgf5 m-show"> <div id="8gzv3zcq3zww" class="type"> <i></i>熱點(diǎn)新聞 </div> <div id="8gzv3zcq3zww" class="list"> <ul> <li><a 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