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YaHei";">　　如何更好地提高薄鋼板風管焊接工藝質量，克服薄鋼板圓形風管焊接后的變形？云南省“人防薄鋼板圓形風管焊接技術”的新成果，通過對多個人防通風工程施工中技術經驗的總結和技術創新，逐步形成了人防薄鋼板圓形風管焊接新穎的施工方法。在人防通風系統工程的安裝中，該方法技術先進，安全實用，經濟效益顯著，值得大力推廣。</span></p><p style="line-height: 1.75em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei";">　　工法特點</span></p><p style="line-height: 1.75em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei";">　　1、采用焊接工藝流程控制焊接質量，根據人防<a href='http://www.142779.com/news/434.html' target='_blank' class='key_tag'><font><strong>通風管道</strong></font></a>的技術質量特點，制定工藝流程圖，提高圓形風管的焊接質量。從焊接固定平臺的建立到工藝評估，再到焊接焊縫的檢測，一個過程連接一個過程，一層一層的檢查，可以更好的控制工藝質量。</span></p><p style="line-height: 1.75em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei";">　　2、采用平焊專用焊接固定平臺，適用于薄鋼板卷圓后的長縫平焊。圓管直管段焊接采用平焊焊接平臺后，采用角鋼法蘭和內支撐雙重固定，很好地保證了焊接后風管的圓形度。此外，各種規格尺寸的薄鋼板圓管焊接應通過伸縮平臺架上的四個螺栓調整直徑尺寸。</span></p><p style="line-height: 1.75em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei";">　　3、采用焊接專用焊接固定平臺，適用于圓管段間的焊接。平臺左右角鋼用螺栓和槽鋼底座固定，保證四個軸承架的中間線對稱，從而保證兩個圓管的中間線對齊，避免管段間焊口錯位。同時，焊接工人可以通過滾動軸承在同一方向旋轉風管來完成管段的對接焊接，提高施工工藝質量和施工進度。</span></p><p style="line-height: 1.75em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei";"></span></p><p style="text-align: center"><img src="/data/upload/201910/20191023173018_599.jpg" alt="空調風管加工" width="397" height="259" border="0" vspace="0" title="空調風管加工" style="width: 397px; height: 259px;"/></p><p style="line-height: 1.75em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei";"></span><br/></p><p style="line-height: 1.75em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei";">　　4、專用施工焊接平臺適用于薄鋼板圓管的焊接要求，工作原理簡單，操作簡單，提高施工工藝質量，減少材料損耗，降低返工修復成本，可回收應用于不同的工程項目。</span></p><p style="line-height: 1.75em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei";">　　工藝原理</span></p><p style="line-height: 1.75em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei";">　　1、平焊專用焊接平臺的工作原理:將薄鋼板卷圓放在固定平臺的支撐件上，用兩個角鋼法蘭固定鋼板，角鋼法蘭的尺寸與圓管相同。通過旋轉內支撐件上的四個螺紋長度，圓頭螺釘與鋼板緊密接觸。這樣可以保證管道尺寸的正確性，避免管道在焊接過程中變形走位，保證焊接后管道的圓柱形度。此外，根據需要焊接圓管的尺寸，只需調整四個螺紋的旋轉長度即可，因此焊接平臺可以焊接各種規格尺寸的薄鋼板圓管。</span></p><p style="line-height: 1.75em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei";">　　2、焊接專用焊接平臺的工作原理:四個滾動軸承架通過角鋼連接在一起，螺栓固定，從而保證四個軸承架的中間線對稱，相應保證兩個圓管的中間線對齊，避免管段之間的焊口錯位。將平焊完成的風管放置在焊接專用焊接平臺上，通過滾動軸承旋轉風管進行焊接連接。</span></p></div> <div class="xypg-detail-tags"> <div class="tags-title"> <h3>標簽</h3> <div class="baidu-share">  <div class="bdsharebuttonbox"> <a href="#" class="bds_more" data-cmd="more"></a> <a href="#" class="bds_tsina" data-cmd="tsina" title="分享到新浪微博"></a> <a href="#" class="bds_weixin" data-cmd="weixin" title="分享到微信"></a> <a href="#" class="bds_sqq" data-cmd="sqq" title="分享到QQ好友"></a> <a href="#" class="bds_isohu" data-cmd="isohu" title="分享到我的搜狐"></a> <a href="#" class="bds_tqq" data-cmd="tqq" title="分享到騰訊微博"></a> <a href="#" class="bds_fbook" data-cmd="fbook" 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