| 摘要 |
<p>Portable sharpening machine (1) for sharpening wood drill bits (9,9.1,9.2), provided with side handles (2) to facilitate its transport. Said machine (1) is provided with various different apparatuses (5,6,7,8) for aligning the drill bits (9,9.1,9.2), which can be dismounted and remounted and are interchangeable. The drill bits (9,9.1,9.2) are previously fitted into the stem of special drill bit holders (16) which can be reused in various sharpening and alignment stations. The portable sharpening machine (1) has vertically arranged on the side surface an apparatus (5) for preliminary aligning the drill bit (9,9.1,9.2) relative to the drill bit holder (16). The drill bits (9,9.1,9.2) together with the drill bit holders (16) are aligned onto the apparatuses (5,6,7,8) with the aid of reference pins (12) located on the apparatuses (5,6,7,8) and corresponding holes (17) provided on the drill bit holders (16).</p> |
