低碳钢、奥氏体不锈钢缝焊的焊接工艺参数

作者：bearingpower        发表时间：2010-12-12

低碳钢、奥氏体不锈钢缝焊的焊接工艺参数关键字：焊接 材 料等厚搭接板的板厚(mm)滚轮电极厚度D及表面宽度d①(mm)电极压力(N)最小重叠宽度L(mm)最小重叠宽度L②(mm)气 密 焊 缝高 速 焊 接中 速 焊 接低 速 焊 接最小d标准d最小Dd用最小值时d用标准值时焊接通电时间③(周波数)休止时间(周波数)焊接速度(m/min)焊接电流(A)焊接通电时间(周波数)休止时间(周波数)焊接速度(m/min)焊接电流(A)焊接通电时间(周波数)休止时间(周波数)焊接速度(m/min)焊接电流(A)低碳钢0.43.75.3112200 710212.812000222.09500331.28500低碳钢0.64.25.9122800 811212.713500221.911500331.110000低碳钢0.84.76.5133300 912212.615500321.813000241.111500低碳钢1.05.17.1144000 1013222.518000331.814500241.013000低碳钢1.25.47.7144700 1114222.419000431.716000340.914000低碳钢1.66.08.8166000 1216312.321000541.518000440.815500低碳钢2.06.610.0177200 1317312.222000551.419000660.716500低碳钢2.37.011.0178000 1419422.123000761.320000660.717000低碳钢3.28.013.62010000 1620421.7275001171.122000660.620000奥氏体不锈钢0.23 5.010.018007.0 112.296500121.524800221.0942000.29 5.511.021007.5 212.246700221.485400331.0848000.4 6.013.027009.0 212.167600221.416700331.0660000.6 7.013.5360011.0 222.0210760221.318600351.0378000.8 7.014.0470013.0 221.8913500231.2210700351.0102001.0 7.514.0570014.5 321.7914500341.1512900360.96123001.2 8.014.5670015.0 321.6915200341.0914000460.93132001.6 9.515.5870016.0 321.5316200351.0315400460.86148001.8 10.016.0970017.5 431.4716500451.0215900480.84157002.0 10.516.51040017.5 431.4216700461.0216300490.8162002.6 12.018.51270020.0 531.3417200561.0168005100.7168003.2 13.519.51500022.5 541.2717800560.98170006130.61170004.0 14.521.01850025.5 541.1718500560.95173006140.4617300注: 低碳钢说明。1.本表所指焊接钢板系热轧后酸洗的软钢板,抗拉强度300-200MPa,焊时须清理表面污物。2.电极材料为R．W．M．A 2级。① 电极形状如右图。②最小重叠如下图。③通电时间数字当电源为50Hz时应乘以5/6。注: 奥氏体不锈钢说明。1.适用材料为1Cr17Ni7、1Cr18Mn9、0Cr19Ni9、1Cr18Ni9、0Cr17Ni12Mo2、0Cr19Ni13Mo3、0Cr18Ni11Ti、0Cr18Ni11Nb不锈钢板。2.电极用相当于R．W．M．A 3级的铜合金。3.焊接抗拉强度在1050MPa以上冷轧材料时应使用最大的压力。4.电极形状与搭接宽度与1．1．5(1)表注同。5.焊接大型工件时,为使工艺性良好,重叠宽度L可增加30%,焊接速度可减小,以便于操作。6.为改善焊缝表面成形,用球形电极更好。7.断续通电,交流电源60Hz,当电源为50Hz时,通电及休止时间应乘以5/6。