| 摘要 |
FIELD: mechanics. ^ SUBSTANCE: invention relates to saw blades. Proposed saw blade incorporates multiple cutting teeth setting cutting direction and repeating teeth structure including 3 to 7 teeth. Every aforesaid tooth comprises upper edge, passing sideways, that features width and height measured from blade power edge and side surfaces passing sideways and downwards in opposite directions from upper edge at 1st acute angle to it. Teeth height and acute angle magnitude of side surfaces of teeth located behind 1st tooth gradually decreases towards cutting direction, while width of upper edges of aforesaid teeth exceeds that of upper edge of appropriate 1st tooth. ^ EFFECT: higher quality, longer life. ^ 45 cl, 8 dwg |
