| 摘要 |
<p>A circular saw blade for use in cross-cutting metal wherein the teeth are so designed as to avoid vibrations and thereby stabilize the blade throughout the entire cut performed by the blade. The teeth include a top face with one or more top face chamfers, a primary clearance and therebeneath side clearances on both sides of the teeth wherein lines of the latter directed to the axis of rotation form with the central plane of the saw blade an acute angle directed to the center of rotation whereas other lines in the side clearances perpendicular to the first mentioned lines are parallel with the central plane.</p> |
