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...Open University course entitled 'The Engineer as Problem Solver'. The fact that we have prepared a course with this title shows that we think there is something useful to say about the process of solving engineering problems. It seems to imply that there is a technique to be learned – a preferred method. To a degree, this is true; experience has taught us that there are...

...openings cannot be formed, and secondary operations such as blanking, drilling or sawing are required. Wall thicknesses will be reduced from the original sheet thickness in proportion to the area of the formed piece over the area of the original sheet. Tolerances range from ±0.75 to ±1.5 mm. See Also: Superplastic forming, Blow moulding, Fluid and rubber die forming and...