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Method and device for the manufacture of a tubular piece of large size and the shell has a thin wall obtained.
Method and device for the manufacture of a tubular piece of large size and the shell has a thin wall obtained.
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机译:用于制造大尺寸管状件的方法和装置,并且壳体具有薄壁。
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摘要
Starting from an ingot, a hoop blank (10) is produced by hot forging. The tubular workpiece, such as a hoop, is sized by diametral expansion of the blank (10) without crushing its wall. The workpiece then undergoes a heat treatment and a final machining. IMAGE
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