Forging is a metal working process by hammering or pressing hot metal into the metal dies. Precision forging produce the final metal parts in a close to final shape or closetolerance forging way. When you need a product with near net shape or net shape, precision forging is the right choice to source, such forging process will refine the product to little or no machining. Comparing to the other metal forming processes, the precision forgings have advantages of higher mechanical properties, slight draft angles, close tolerances, small radii, and sound surface finish.
Die forging is further divided into open die forging and closed die forging. The metal billet is deformed under pressure within a forging die cavity of a certain shape to obtain the forging. Die forging is generally used for producing parts that are not heavy but produced in large batches. Die forging can be divided into hot die forging, warm forging, and cold forging. Closed die forging, due to the absence of flash, has a higher material utilization rate. Complex forgings can be finished in one or several processes. Furthermore, closed die forging produces forgings with a smaller stress area, requiring less load. It is important to note that closed die forging requires strict control of the billet volume, the relative position of the forging dies, and measurement of the forgings to minimize die wear.
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