| 摘要 |
PROBLEM TO BE SOLVED: To provide a decorative-surface machining method of an Oya-ishi stone giving a fine engraving or an incrustation to a natural rock surface of the Oyaishi stone, and to provide a machined product of the Oya-ishi stone with a decorative surface. SOLUTION: When the decorative surface is given to the Oya-ishi stone 100 by machine an end surface of the Oya-ishi stone 100 in cutting the Oya-ishi stone 100 in cooperation of a machining table of an NC machining machine with a rotary blade thereof for cutting, the cut surface 101 of the Oya-ishi stone remaining after cutting is positioned on the right side of the advance passage of the rotary blade in case of cutting the Oya-ishi stone 100 with the blade 110 of the NC machining machine rotating in the normal direction. COPYRIGHT: (C)2008,JPO&INPIT
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