1. Tool

1.1 Expected qualities of a tool

A tool always consists of two parts, which may or may not be distinct: the body and the cutting part(s). These two components must meet different requirements.

To the body, we ask:

• rigidity (non-deformability), but sometimes flexibility (band saw, for example);

• good resistance to fatigue ;

• to withstand cutting forces without damage;

• be brazeable, if required for tooth attachment;

• limited density, especially for large tools.

For the cutting area (tooth or knife), we choose a :

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