| 摘要 |
PURPOSE: A method is provided which reduces working hours by changing existing metal processes requiring many working hours, minimizes stress of metal by excluding metalworking receiving heat affection such as welding to the utmost, and remedies the defects that an expensive large-sized machine should be used in order to make a large-sized structure. CONSTITUTION: The metalworking method using explosive in water comprises the processes of forming a mold on the bottom of a place which looks like a swimming pool by modeling on processing patterns of processed goods using mud or beach soil(1); filling the mold with water or seawater(3) as a power transmitting medium after putting a metal plate(2) for metalworking on the processing patterns; and blasting the explosive after putting a suitable amount of explosive(4) for metalworking in the filled water so that exploded energy is uniformly transmitted to water so that a metal plate to be processed are affected by the energy, thereby processing the metal plate depending on the appearance of the mold that is prepared in advance, wherein the explosive(4) is used as physical forces for processing.
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