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MOLD FOR PRECISION CASTING, CASTING METHOD OF MOLD FOR PRECISION CASTING, AND MANUFACTURING METHOD OF ROTARY MACHINE BLADE
MOLD FOR PRECISION CASTING, CASTING METHOD OF MOLD FOR PRECISION CASTING, AND MANUFACTURING METHOD OF ROTARY MACHINE BLADE
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机译:精密铸造用模具,精密铸造用模具的铸造方法以及旋转机刀片的制造方法
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摘要
PROBLEM TO BE SOLVED: To provide a mold for precision casting capable of lowering strength of a part of the mold; and to provide a casting method of the mold for precision casting, and a manufacturing method of a rotary machine blade.;SOLUTION: A mold for precision casting has a plurality of refractory material powder layers extending along a cavity part corresponding to an outer shape of a cast, and laminated mutually, a plurality of stucco layers interposed between the plurality of refractory material powder layers, and an easily collapsible part containing niobia-stabilized zirconia, and having a larger size than the particle size of refractory material particles constituting the plurality of stucco layers.;SELECTED DRAWING: Figure 3;COPYRIGHT: (C)2018,JPO&INPIT
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