电焊条药皮的厚薄，直接影响到焊条的焊接工艺性能和焊缝金属质量。过厚，易使药皮套筒增 长，直接影响电弧稳定及再引弧性，过薄，保护不当，因此要严格控制，焊条外径尺寸见表 2。 药皮重量系数 式中k—药皮重量系数 g1—药皮重量 g2—药皮部分的焊芯重量 通常取k=40～60%, 酸性焊条k=50%,碱性焊条k=45% 表2 焊条外径尺寸控制参数 焊条类型 规格ф（mm） 药皮外径范围ф（mm） 3.2 5.0～5.2 E4303 4.0 6.2～6.4 3.2 5.0～5.1 E5015 4.0 6.1～6.2
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电焊条
Welding wire medicine the thickness of the skin, directly affects the electrode welding process performance and weld metal quality. A thick skin, make easily medicine, directly affects the sleeve long arc stability and then arc starting sex, pass thin, improper protection, so we will strictly control, electrode diameter size in table 2. The weight coefficient of medicine skin type k-medicine skin weight coefficient g1-medicine skin weight g2-medicine of the part of the skin welding core weight usually take k = 40 ~ 60%, acidic electrode k = 50%, alkaline welding rod k = 45% table 2 electrode diameter size control parameters electrode type specification ф (mm) drug skin outside diameter scope ф (mm) 3.2 5.0 ~ 5.2 E4303 4.0 6.2 ~ 6.4 3.2 5.0 ~ 5.1 E5015 4.0 ~ 6.1
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Welding wire
