… cut-to-length lines) for working metal by bending, folding, straightening, flattening, shearing, punching, notching or …
Explanatory notes
… ‑ ‑ Profile forming machines 8462.23 ‑ ‑ Numerically controlled press brakes 8462.24 ‑ ‑ Numerically controlled … cases, however, a single metal die operating on only one part of the unworked piece is used. This is called … forging. This trimming operation is carried out with the aid of special cutting dies. The finishing operation to …