ICE lathe machine with automatic working cycle for chains diamond cutting. the cylinder high diameter allows the diamond cutting of chains with long links while maintaining a high production capacity. The automatic size corrector allows to reach the exact thickness of the chain regardless of the cylinder temperature. the setup procedure, also possible with self-automatic defrosting with a hot water sprinkling system already installed in the machine. the compact dimensions of the lathe with the possibility of inserting the chiller with water cooling into the base make this machine easily suitable for all jewellery factories.