This special machine allows the automatic production of bracelets and necklaces by cutting, bending and assembling one strap of metal on one or two bands of mesh. In the machine is possible to load up to 4 straps of metals of different colors, which combined together will make different models and style of jewelry. The operator, through a PLC system, will easily set the machine for different combinations of colors and number of pieces for each one. The machine is equipped with various control and security systems, which inform the operator of any problem arising during working operation, such as plate strip end, air pressure, direction of rotation control, electronic control of assembling operations, etc. This allows the machine to work always in the best condition and obtain a very high quality product.