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A cutting pattern describes graphically how a material should be cut off. With the aim of simplifying both graphical description and editing actions, patterns are shown at two stages of realization. In the first stage, the material is cut off into cut semiproducts, via vertical or horizontal cuts until reaching part semiproducts (each of which always distributes a single part) or offcuts. In the second stage, from each part semiproduct the corresponding part is extracted. Cut semiproducts are considered intermediate semiproducts as they exist temporally in the process of realizing a cutting pattern. Both part semiproducts and offcuts are considered final semiproducts. |
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2.1 |
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Basic concepts |
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2 |
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The figure shows a typical Corte’s cutting pattern. The blue lines are intermediate semiproduct cuts and the red-dashed lines are part cuts. |
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Important:
Although the proposed cutting sequence will guarantee correctness in pattern realization, it won’t necessarily imply that such cutting order must be followed in practice just as given. For example, a final semiproduct cut can always be omitted if there exist part strips in the same direction as the cut. This omission should be realized whenever a hold length is defined. (see Technological Options) |
