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针对加氢高(低)压空冷器管箱结构,研制了能在水平位置同时对管箱两条内角缝自动焊的焊接专用机。可焊管箱的最小空间尺寸为100mm×76mm,最大长度为3200mm。配制了脱渣性与抗裂性较好的焊剂;采用了加特型焊剂垫的工艺措施,解决了坡口钝边厚时不易焊透、钝边薄时易焊穿的问题。焊出了合格的产品。
For the hydrogenation (low) pressure air cooler tube box structure, developed in the horizontal position at the same time on the tube box two internal corner seam welding machine for welding. Weldable tube box minimum space size of 100mm × 76mm, the maximum length of 3200mm. The preparation of flux and good crack resistance of the flux; using Gat-type flux pad technology measures to solve the blunt edge of the groove is not easy to penetrate, blunt edge when the problem of thin and easy to wear. Out of qualified products.