| 摘要 |
Method for cutting boards (10) for ploughed and tongued coverings, in which method the two edges of the boards are first worked in a first step 1A) in order to obtain pure wood, the correct dimensions and the correct profile of the boards. Then, in a second step 1B), a groove (18) is made in one edge of the boards by pre-cutting with the aid of roughing blades and finish-cutting, and a bevel (19) is made in the opposite edge of the boards likewise by pre-cutting with the aid of roughing blades and finish-cutting. In a third step 1D), 1E), the cut bevel (19) is smoothed, and a rebate (21) is cut in the last-mentioned edge to form the tongue (36). The machine for carrying out this method comprises separate stations for the three production steps and means which guide the boards (10) for engagement with the cutting tools (11, 12, 16, 17, 35, 20) and cause the cutting tools (16, 17) of the second step 1B) to rotate in the feed direction of the boards (10) and the remaining cutting tools (11, 12, 35, 20) to rotate counter to the feed direction of the boards (10). <IMAGE>
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