| 摘要 |
<p>The invention relates to a device for manufacturing wooden plugs meant to replace black falling knots from the timber. According to the invention, the device produces some plugs (17) from some blank discs (13) using a mechanical structure consisting of a cylindrical body (1) which has at its top part a Morse cone (2) fixed onto a vertical shaft (3) of a machine for wood or metal machining, while at its bottom part it has a milling cutter (4) provided with a tool (5) for bevelling at 45° and a hollow cylindrical body (6) inside which a resiliently pressing cylindrical rod (10) can move axially, said rod being provided with a limiting metal pin (11) and a compression spring (12).</p> |
