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<div id="6osi28e" class="productsCenter col-xs-12 col-sm-12 col-md-12 col-lg-12"> <div id="6osi28e" class="row"> <div id="6osi28e" class="productsTTOP"> <div id="6osi28e" class="productCenTop"> <div id="6osi28e" class="productsCC"> <div id="6osi28e" class="productsCtl wjdhBg col-xs-12 col-sm-12 col-md-2 col-lg-2"> <i><img src="/templates/pc_wjdh/img/proXq.png" alt="">詳情內(nèi)容</i> </div> <div id="6osi28e" class="details col-xs-12 col-sm-12 col-md-7 col-lg-7"> content details </div> <div id="6osi28e" class="detailsR col-xs-12 col-sm-12 col-md-3 col-lg-3"> <a class="scan" title="二維碼分享">二維碼分享 <div class="6osi28e" id="qrcode" style="display: none"> </div> </a> </div> </div> <div id="6osi28e" class="page-content"> <p style="text-indent: 2em; text-align: left;"><strong> <a href="http://www.jlnsd.com/" target="_blank">綿陽螺旋風管</a></strong>工藝要求：</p><p style="text-indent: 2em; text-align: left;">1、組織有關(guān)人員熟悉圖紙，對現(xiàn)場施工人員進行安全技術(shù)交底。</p><p style="text-indent: 2em; text-align: left;">2、在現(xiàn)場與施工圖紙對照，繪制草圖。根據(jù)工程進度組織材料分批購進，加工順序依先上后下，先大后小的原則。</p><p style="text-indent: 2em; text-align: left;">3、檢查制作風管用的鍍鋅鋼板及角鋼和輔料的質(zhì)量情況，無出廠合格證或質(zhì)量鑒定文件者不得使用。且鍍鋅鋼板表面應(yīng)平整、厚度均勻、無明顯的壓傷現(xiàn)象，并不得有裂紋、結(jié)疤、刺邊、銹蝕、水印等缺陷，應(yīng)有鍍鋅層結(jié)晶花紋；角鋼要等型均勻，無裂紋扭曲及其它影響質(zhì)量的缺陷。</p><p style="text-indent: 2em; text-align: left;">4、法蘭制作時，同規(guī)格要采用統(tǒng)一模具，以保持法蘭規(guī)格尺寸一致和表面平整，法蘭要成對鉆螺栓孔，間距不大于150毫米。法蘭與調(diào)節(jié)閥等部件聯(lián)接時，要**其尺寸與部件法蘭尺寸一致。</p><p style="text-indent: 2em; text-align: left;">5、法蘭內(nèi)徑應(yīng)比風管外徑略大于2-3毫米，鉆孔時應(yīng)注意使孔的位置處于角鋼（減去厚度）或扁鋼的中心，排列原則，正法蘭任意旋轉(zhuǎn)時，四面的螺孔都能對準。對于矩形法蘭，兩對邊的螺栓孔均能對準。角鋼法蘭的立面和平面應(yīng)互成90度。</p><p style="text-indent: 2em; text-align: center;"><img src="https://file.btoe.cn//image/uploadImage/wjdhCmsClient/271545337397639/20220614/20948314-d0db-41fe-99b1-fec1b9e61356.jpg" width="500" height="277" border="0" vspace="0" title="綿陽螺旋風管" alt="綿陽螺旋風管" style="width: 500px; height: 277px;"/></p><p style="text-indent: 2em; text-align: left;">螺旋風管注意以下問題：</p><p style="text-indent: 2em; text-align: left;">1、劃線要據(jù)風管的不同尺寸形狀和規(guī)格分別進行，同時對同一段風管要完整進行，防止劃線錯孔和下料的多少有誤。</p><p style="text-indent: 2em; text-align: left;">2、板材剪切依據(jù)劃線的階段不同，分別進行，同時必須進行下料的復核，以免有誤。按劃線形狀用機械剪刀和手工剪刀進行剪切。</p><p style="text-indent: 2em; text-align: left;">3、剪切時，手嚴禁伸入機械壓板空隙中，上刀架不準放置工具等物品，調(diào)整板料時，腳不能放在踏板機上，使用固定式震動剪兩手要扶穩(wěn)鋼板，手離刀口不得小于5cm，用力均勻適當。</p><p style="text-indent: 2em; text-align: left;">4、板材下料后在軋口之前，必須用倒角機或剪刀進行倒角工作。</p><p style="text-indent: 2em; text-align: left;">5、金屬薄鋼板制作的風管用咬口連接、鉚釘連接、焊接等不同方法。</p><p style="text-indent: 2em; text-align: left;">6、咬口寬度和留量根據(jù)板材厚度而定</p><p style="text-indent: 2em; text-align: left;">7、焊接時必須焊縫均勻，無裂紋及加渣現(xiàn)象;鉚釘連接時，鉚釘中心先垂直于板面，鉚釘頭把材材壓緊，使板縫密合并排列整齊、均勻。板材之間鉚接，一般中間可不加墊料，設(shè)計規(guī)定時，遵循設(shè)計。</p><p style="text-indent: 2em; text-align: left;">開啟螺旋風管溫溫提醒：螺旋風管制造商，側(cè)長或直徑大于1250毫米的螺旋風管起吊不能超過兩段，側(cè)長或直徑小于1250毫米的組合風管起吊，不能超過三段。為了使螺旋管道發(fā)揮.大的作用，我們必須懂得如何利用科學來利用.少的資源來做.有益的事情。螺旋管的厚度與壓力和邊緣長度密不可分。</p><p 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