I would like very much to have a printed copy of this explanation. It is very interesting as I have had simular thoughts but to a lesser degree of sufistacation. Now it's time to reoil my framulator buchings!Slow Motion Youtube Video of Chip Formation.
Actually, it does generate heat, just not enough to be noticed.If you want to experience the energy of cutting material, clamp a piece of wood on a bench and use a hand plane starting with a very thin shaving, then increase the depth of the blade and keep making cuts.
Cutting wood does not generate a lot of heat but you will experience the energy to cut thicker shavings, especially if the wood is dense.