Automatic laser machine for the production of curb Figaro chain, single, and double curb chain, welded with three-colour alloy, for wires from 0.25 up to 0.80 mm, and with electronic chain collecting plate and cam, single and double cable chain and Figaro cable chain. The sequence of the colours and the long and short links can be easily programmed with an electronic “touch screen” selector. The chains can be hammered and diamond cut without being welded again, respecting the alloy’s original colours. The endowment of the machine is completed by a forced lubrication, chain density sensor, electronic speed regulator, three electronic wire tension devices, machinelaser insulation cover with fumes aspirator, microscope support and low voltage lamp.