In the aforementioned wire rod Interpolation through-hole of optical molding

摘要

PROBLEM TO BE SOLVED: To provide a mold which is manufactured by a photo-forming method using molding sand, which is excellent in pressure-resistance strength, which is not easily broken or damaged by the pouring pressure of molten metal at the time of molding, and which can make the most use of the advantages of the photo-forming method. ;SOLUTION: At least one mold member 1A composing the mold comprises a photo-formed article M using molding sand S as a forming material, and a reinforcing wire rod 2A is embedded in the photo-formed article M.;COPYRIGHT: (C)2003,JPO