| 摘要 |
PROBLEM TO BE SOLVED: To provide a saw blade capable of reducing the generation of unstraight cutting and elongating the life. SOLUTION: A cemented carbide chip 5 mounted on a tip of the highest teeth acts first in cutting a matter to be cut, and is worn in accompany with the cutting. When the chip 5 is worn, only the worn chip 5 is demounted, and then a cemented carbide chip 5 of the next highest teeth newly acts to execute the cutting. As a height of the teeth after the demounting of the chip 5 is lowered, the teeth is not contacted with the matter to be cut. The marking 9 is provided for preventing the mistake in the order of breakage when the chips 5 are successively demounted in order of heights, and the demounting is executed in accordance with the marking 9.
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