Forming, redistribution and addition processes Paper and board forming processes — AQA A-Level Design and Technology: Product Design
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Forming, redistribution and addition processes Paper and board forming processes explained
Paper and board are shaped into products such as packaging using forming processes that exploit their foldable, cuttable and printable nature.
Read the full explanation
Common methods include die cutting to cut out nets and shapes, creasing to create fold lines so the board folds cleanly without cracking, and folding and gluing to turn a flat net into a three-dimensional container. Nets are designed so that faces, tabs and flaps assemble into the finished package. Vacuum forming is used with thermoplastics rather than paper, so learners should not confuse the two. The choice of process depends on the product: a cereal carton uses a printed, creased and glued net, while a simple tray may use die-cut board folded and locked. Learners should be able to match a shaping method to a packaging product and explain why it suits the material and the required form.
Your focus
- Identify forming processes used to shape paper and board into packaging products.
- Explain how die cutting, creasing and folding and gluing combine to produce a three-dimensional package from a net.
- Select an appropriate forming process for a given paper or board packaging product and justify the choice.
Forming, redistribution and addition processes Paper and board forming processes exam tips
Marking Points
- Die cutting is used to cut paper or board into a net or shaped blank, often in a single press operation.
- Creasing produces fold lines so that board folds accurately without cracking or tearing along the fold.
- Folding and gluing assemble a flat net into a three-dimensional package such as a carton.
- Net design determines how faces, tabs and flaps combine to form the finished packaging product.
- The forming method is selected to suit the material and the required product form, for example a printed carton made from a creased and glued net.
- Processes suited to thermoplastics, such as vacuum forming, are not the methods used to shape paper and board.
Examiner Tips
- 💡Name the specific process, such as die cutting, creasing or folding and gluing, rather than saying only that the board is shaped.
- 💡Link each process to the packaging product it produces, for example a creased and glued net forming a carton.
- 💡Explain why the process suits paper or board, referring to folding, cutting and assembly of the net.
Common Mistakes
- Confusing paper and board forming with thermoplastic processes such as vacuum forming; correction: paper and board are shaped by cutting, creasing, folding and gluing, while vacuum forming applies to heated thermoplastic sheet.
- Thinking creasing simply cuts the board; correction: creasing compresses a line so the board folds cleanly, whereas die cutting cuts through the material.
- Ignoring the role of the net; correction: the net defines the faces, tabs and flaps that assemble into the three-dimensional package.
- Assuming any shaping method suits any material; correction: the process must match the material and the required product form.