| 摘要 |
<p>The device and the apparatus comprise a melting chamber (10) communicated with a portion (11) of a sonotrode (12) of an ultrasonic transducer, a passage (13) for feeding plastic material, and at least one outlet opening (14) for supplying molten plastic material dropwise or continuously. A feeding of plastic material to said melting chamber (10) is provided. The method comprises feeding plastic material to the melting chamber (10) configured in a device for selective deposition installed in a head of a piece of industrial manufacturing equipment, which is moved according to a strategy of its path defined by numerical control on a deposition area, and pouring plastic material melted by ultrasound through the outlet opening (14).</p> |
