| 摘要 |
<p>Sawing procedure, more especially to be applied with a sawing mechanism with pre-grooving saw and for sawing through products of which at least one extremity shows a rounded or profiled form, characterised in that it principally consists in the movement of the product to be sawed (3) over a pre-grooving saw (2) in order to saw a groove (4) in the underside of this product (3); the subsequent sawing of the product (3) through the aforementioned groove (4), by means of a main saw (1) and, when the aforementioned rounded or profiled extremity (5) of the product (3) arrives at the location of the pre-grooving saw (2), the movement of this pre-grooving saw (2) in such a way that the aforementioned groove (4) is completed around the whole extremity (5).</p> |
