The front and rear side walls of a rectangular box-shaped forging are thinner; the left and right side walls are thicker. When the burr groove shown as B-B is used around the box-shaped part, the resistance of the metal flowing into the left and right side walls is small, making it difficult for the metal to flow to the thinner front and rear side walls, resulting in insufficient filling. Later, the front and rear side walls still used the burr grooves shown as B-B, while the left and right side walls used the burr grooves shown as A-A. Due to the wide size of the bridge and the obstruction of the damping groove, the thinner side walls at the front and rear were completely filled, and the metal was thicker. Use the aforementioned burr groove method to save.
solid ti rod
Due to the high pressure, the life of the titanium rod is reduced. Therefore, when the titanium rod is forged using the closed die forging method, the closed die forging needs to strictly limit the volume of the original blank, which complicates the material preparation process. Whether to use closed die forging should be considered from the aspects of interest and process feasibility. During open die forging, the burr loss accounts for 15%-20% of the weight of the blank. The process waste in the clamped part (if this part needs to be retained according to the die forging conditions) accounts for 10% of the weight of the blank. The relative loss of burr metal usually increases with the blank. The weight increases due to the decrease in weight. For some forgings with asymmetrical structures, large cross-sectional area differences, and parts that are difficult to fill, the burr consumption can be as high as 50%. Although there is no burr loss in closed-die forging, the blank making process is complicated and requires more additions. Multiple transition tool grooves will undoubtedly increase auxiliary costs.
titanium square rod
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