Ultra-large type evanescent mould precision-casting shell manufacturing tool and shell manufacturing process thereof
A lost foam and super-large technology, applied in the field of investment casting, can solve the problems of castings that cannot be flipped flexibly, immediate sand hanging, mold shell deformation, etc.
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[0022] Such as figure 1 and figure 2 As shown, the ultra-large lost foam investment casting tooling of the present invention includes a first spoke structure 1 and a second spoke structure 2 . The first spoke structure 1 and the second spoke structure 2 are installed on the left and right parts of the main shaft 3 . The first spoke structure 1 comprises a hexagonal first frame 9 . Six first connecting plates 10 are welded in the first frame 9 . One end of each first connecting plate 10 is located at the center of the first frame 9 and welded together. The other end of each first connecting plate 10 is vertically welded to each side plate of the first frame 9 respectively. A first circular plate 11 is connected to the right side of the side plate connecting portion of each first connecting plate 1 and the first frame 9 . The second spoke structure 2 comprises a hexagonal second frame 12 . Six second connecting plates 13 are welded in the second frame 12, and one end of e...
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