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專業生產銷售大口徑厚壁國標螺旋鋼管,廠內加工防腐/保溫/涂塑

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首頁 > 鋼管百科 > 高頻焊接(HFW)管生產工藝

高頻焊接(HFW)管生產工藝

日期:2020-02-08

高頻焊管的生產工藝相對簡單,連續生產快速的特點在民用建筑,石化,輕工等行業都有廣泛的應用。最常用于輸送低壓流體或制成各種工程部件和輕工業產品。

高頻焊接(HFW)管生產工藝

高頻焊接(hfw)管是根據導體中電荷的交換和集膚效應,渦流??加熱效應和鄰近效應,使鋼的焊接邊緣局部加熱到熔融狀態,由輥筒擠壓而成,將晶體對接焊縫間接實現在一起,從而達到焊接目的。鋼是一種高頻感應焊接,它不需要焊接填料,沒有焊接飛濺物,焊縫熱影響區狹窄,焊接成型美觀,焊接機械性能好等優點,因此在鋼的生產中得到了廣泛的應用。

它是利用高頻焊接鋼管的交流趨膚效應和鄰近效應,通過對鋼進行輥壓成形,形成的圓形截面管被斷開,內管的旋轉中心附近靠近感應線圈或設定阻抗為,阻抗管開口處形成有電磁感應環,在集膚效應和鄰近效應的作用下,管開口邊緣產生強烈的集中熱效應,通過壓力焊輥擠壓將焊接邊緣迅速加熱至所需溫度冷卻后,熔融金屬實現間接共晶,形成牢固的對接焊縫。

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