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... g in a nearly closed space, which requires strong equipment capabilities.
Free forging is local deformation. Through the upper and lower anvils of the press and related accessories, the metal is gradually forged into the required shape.
The large aircraft that was tested in the mainland in September 1980, because of the lack of large-scale forging press equipment in the country, the aircraft girder was forged in sections and then spliced together. After 180 hours of flight, exper ...
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