| 摘要 |
<p>A method and apparatus for producing a three-dimensional part from a plurality of planar layers using an ultrasonic welder. A sheet of planar material is placed on the partial part and ultrasonic welded, with the first sheet placed on a base. The sheet is cut to the shape of the partial part. The process of placing of the sheet materials on the partial part, welding, and cutting of the two-dimensional contour layer is continued until part is complete. The materials can be layers of incompatible materials for ultrasonic welding in which voids are created through interposed non-compatible materials for ultrasonic welding, to allow ultrasonic welding of compatible material layers spaced by a sheet of incompatible material. The method described allows the introduction of components which are sensitive to manufacturing temperatures. In a preferred embodiment, the elongated sheets of material are carried on a supply drum and moved over the partial part using a feed system having the supply drum and a take-up drum.</p> |
