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不鏽鋼焊管的焊接步驟
日期：2025-04-19 00:24
瀏覽次數(shù)：0
摘要：<span style="font-family:宋體;font-size:small;"> </span>
<p style="margin:0cm 0cm 0pt;">
<span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";"><span style="font-size:small;">不鏽鋼焊管的焊接步驟</span></span>
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<span style="font-family:宋體;font-size:small;"> </span>
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<span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";"><span style="font-size:small;">很多朋友在剛接觸不鏽鋼焊管焊接行業(yè)的時(shí)候都不太懂得焊接技術(shù)，那麼小編就向你介紹不鏽鋼焊管的焊接步驟：</span></span>
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<span style="font-family:宋體;font-size:small;"> </span>
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<span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">1.</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">采用垂直外特性的電源</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">直流時(shí)采用正極性</span><span style="font-family:'Times New Roman';"><span lang="EN-US">(</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">焊絲接負(fù)極</span><span style="font-family:'Times New Roman';"><span lang="EN-US">)</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">。</span></span>
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<span style="font-family:宋體;font-size:small;"> </span>
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<span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">2.</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">一般適合於</span><span style="font-family:'Times New Roman';"><span lang="EN-US">6mm</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">以下薄板的焊接</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">具有焊縫成型美觀</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">焊接變形量小的特點(diǎn)。</span></span>
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<span style="font-family:宋體;font-size:small;"> </span>
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<span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">3.</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">保護(hù)氣體為氬氣</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">純度為</span><span style="font-family:'Times New Roman';"><span lang="EN-US">99.99%</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">。當(dāng)焊接電流為</span><span style="font-family:'Times New Roman';"><span lang="EN-US">50~50A</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">時(shí)</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">氬氣流量為</span><span style="font-family:'Times New Roman';"><span lang="EN-US">8~0L/min,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">當(dāng)電流為</span><span style="font-family:'Times New Roman';"><span lang="EN-US">50~250A</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">時(shí)</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">氬氣流量為</span><span style="font-family:'Times New Roman';"><span lang="EN-US">2~5L/min</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">。</span></span>
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<span style="font-family:宋體;font-size:small;"> </span>
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<span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">4.</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">鎢極從氣體噴嘴突出的長(zhǎng)度</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">以</span><span style="font-family:'Times New Roman';"><span lang="EN-US">4~5mm</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">為佳</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">在角焊等遮蔽性差的地方是</span><span style="font-family:'Times New Roman';"><span lang="EN-US">2~3mm,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">在開(kāi)槽深的地方是</span><span style="font-family:'Times New Roman';"><span lang="EN-US">5~6mm,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">噴嘴至工作的距離一般不超過(guò)</span><span style="font-family:'Times New Roman';"><span lang="EN-US">5mm</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">。</span></span>
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<span style="font-family:宋體;font-size:small;"> </span>
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<span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">5.</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">為防止焊接氣孔之出現(xiàn)</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">焊接部位如有鐵鏽、油汙等務(wù)必清理乾淨(jìng)。</span></span>
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<span style="font-family:宋體;font-size:small;"> </span>
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<span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">6.</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">焊接電弧長(zhǎng)度</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">焊接普通鋼時(shí)</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">以</span><span style="font-family:'Times New Roman';"><span lang="EN-US">2~4mm</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">為佳</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">而焊接不鏽鋼時(shí)</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">以</span><span style="font-family:'Times New Roman';"><span lang="EN-US">~3mm</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">為佳</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">過(guò)長(zhǎng)則保護(hù)效果不好。</span></span>
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<span style="font-family:宋體;font-size:small;"> </span>
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<span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">7.</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">對(duì)接打底時(shí)</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">為防止底層焊道的背麵被氧化</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">背麵也需要實(shí)施氣體保護(hù)。</span></span>
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<span style="font-family:宋體;font-size:small;"> </span>
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<span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">8.</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">為使氬氣很好地保護(hù)焊接熔池</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">和便於施焊操作</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">鎢極中心線與焊接處工件一般應(yīng)保持</span><span style="font-family:'Times New Roman';"><span lang="EN-US">80~85°</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">角</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">不鏽鋼焊管填充焊絲與工件表麵夾角應(yīng)儘可能地小</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">一般為</span><span style="font-family:'Times New Roman';"><span lang="EN-US">0°</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">左右。</span></span>
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<span style="font-family:宋體;font-size:small;"> </span>
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<span lang="EN-US"><span style="font-family:'Times New Roman';font-size:small;">9.</span></span><span style="font-size:small;"><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">防風(fēng)與換氣。有風(fēng)的地方</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">需要采取擋網(wǎng)來(lái)減少風(fēng)力的襲擊</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">而在室內(nèi)則應(yīng)采取適</span><span lang="EN-US"><span style="font-family:'Times New Roman';">.</span></span></span>
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<span style="font-family:宋體;font-size:small;"> </span>
不鏽鋼焊管的焊接步驟
很多朋友在剛接觸不鏽鋼焊管焊接行業(yè)的時(shí)候都不太懂得焊接技術(shù)，那麼小編就向你介紹不鏽鋼焊管的焊接步驟：
1.采用垂直外特性的電源,直流時(shí)采用正極性(焊絲接負(fù)極)。
2.一般適合於6mm以下薄板的焊接,具有焊縫成型美觀,焊接變形量小的特點(diǎn)。
3.保護(hù)氣體為氬氣,純度為99.99%。當(dāng)焊接電流為50~50A時(shí),氬氣流量為8~0L/min,當(dāng)電流為50~250A時(shí),氬氣流量為2~5L/min。
4.鎢極從氣體噴嘴突出的長(zhǎng)度,以4~5mm為佳,,在角焊等遮蔽性差的地方是2~3mm,在開(kāi)槽深的地方是5~6mm,噴嘴至工作的距離一般不超過(guò)5mm。
5.為防止焊接氣孔之出現(xiàn),焊接部位如有鐵鏽、油汙等務(wù)必清理乾淨(jìng)。
6.焊接電弧長(zhǎng)度,焊接普通鋼時(shí),以2~4mm為佳,而焊接不鏽鋼時(shí),以~3mm為佳,過(guò)長(zhǎng)則保護(hù)效果不好。
7.對(duì)接打底時(shí),為防止底層焊道的背麵被氧化,背麵也需要實(shí)施氣體保護(hù)。
8.為使氬氣很好地保護(hù)焊接熔池,和便於施焊操作,鎢極中心線與焊接處工件一般應(yīng)保持80~85°角,不鏽鋼焊管填充焊絲與工件表麵夾角應(yīng)儘可能地小,一般為0°左右。
9.防風(fēng)與換氣。有風(fēng)的地方,需要采取擋網(wǎng)來(lái)減少風(fēng)力的襲擊,而在室內(nèi)則應(yīng)采取適.
