| 摘要 |
1. The circular saw is equipped with a mounting opening with recesses for driver wedges. It is characterised in that the mounting opening (1) has two pair of driver wedge grooves (2) with identical dimensions. The angle (φ) between the axes of pairs of wedge grooves (3) and (4) is defined by the following formula: IMAGE> where "D" is the diameter and "z" is the number of saw teeth.
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