investment casting impellers

タイトルまたは説明

precision casting, the accumulated method can be used to eliminate the defects in the product. After the casting is polished and polished, its specifications must be reasonably in line with the dimensional tolerance of its casting specifications. Castings can be corrected by mechanical equipment.

Shandong foundry can immediately use its welding repair method to repair in the adopted link. When the product chooses its arc welding welding damage to be repaired, its total welding repair area and its deep welding repair must meet its requirements. The total area of welding repair in the product refers to the total area after expansion.

Welding repairs of stainless steel precision castings at the same place cannot exceed multiple times. The spacing of castings at the edge of the welding zone, where the welding zone on the back is involved, must not be less than the sum of the diameters of the two adjacent welding zones, as long as it is For the castings supplied by the heat treatment process, the heat treatment process must be carried out according to the original conditions after welding repair.