Hinging-machine for eyewear comprising: - a milling-station equipped with milling means suitable for obtaining, by milling, one or more seats, hollow and open outwards, on one or more portions, of an eyeglasses frame front, made of a thermoplastic material; - a first hinging-station comprising first hinging means suitable for grabbing two metallic hinge parts of two hinges for eyeglasses, and for fixing them to respective seats obtained in a frame front for eyeglasses frames, when said frame front is placed in said first hinging-station; - first support and handling means suitable for supporting a frame front for eyeglasses frames and for moving it from said milling-station to said first hinging-station, and vice versa; characterized in that it further comprises: - a second hinging-station comprising second hinging means suitable for grabbing two metallic hinge parts of two hinges for eyeglasses, and for fixing them to respective seats obtained in a frame front for eyeglasses frames, when said frame front is placed in said second hinging-station; - second support and handling means suitable for supporting a frame front for eyeglasses frames and for moving it from said milling-station to said second hinging-station, and vice versa; - measurement means suitable for obtaining the spatial position of a frame front for eyeglasses frames, or of a portion thereof, when said frame front is positioned on said first support and handling means or on said second support and handling means; - control means comprised in, or operationally connected to, said hinging-machine and configured to control said milling means, said first and second hinging means (46a, 46b), said first support and handling means, said second support and handling means, and said measurement means; and wherein: - said milling means are configured to obtain, by milling, on a frame front for eyeglasses frames, two seats which are hollow and open outwards; - said first hinging means are configured to fix two hinge parts in respective seats obtained in a frame front for eyeglasses frames; - said second hinging means are configured to fix two hinge parts in respective seats obtained in a frame front for eyeglasses frames; - said control means are configured to operate said milling means in such a way as to obtain by milling on a first frame front, located inside said milling station, two seats for as many hinge parts and, at the same time, operate said first hinging means or said second hinging means to fix two hinge parts in respective seats of a second frame front, located respectively within said first hinging-station or within said second hinging-station. - a milling-station equipped with milling means suitable for obtaining, by milling, one or more seats, hollow and open outwards, on one or more portions, of an eyeglasses frame front, made of a thermoplastic material; - a first hinging-station comprising first hinging means suitable for grabbing two metallic hinge parts of two hinges for eyeglasses, and for fixing them to respective seats obtained in a frame front for eyeglasses frames, when said frame front is placed in said first hinging-station; - first support and handling means suitable for supporting a frame front for eyeglasses frames and for moving it from said milling-station to said first hinging-station, and vice versa; - a second hinging-station comprising second hinging means suitable for grabbing two metallic hinge parts of two hinges for eyeglasses, and for fixing them to respective seats obtained in a frame front for eyeglasses frames, when said frame front is placed in said second hinging-station; - second support and handling means suitable for supporting a frame front for eyeglasses frames and for moving it from said milling-station to said second hinging-station, and vice versa; - measurement means suitable for obtaining the spatial position of a frame front for eyeglasses frames, or of a portion thereof, when said frame front is positioned on said first support and handling means or on said second support and handling means; - control means comprised in, or operationally connected to, said hinging-machine and configured to control said milling means, said first and second hinging means (46a, 46b), said first support and handling means, said second support and handling means, and said measurement means; - said milling means are configured to obtain, by milling, on a frame front for eyeglasses frames, two seats which are hollow and open outwards; - said first hinging means are configured to fix two hinge parts in respective seats obtained in a frame front for eyeglasses frames; - said second hinging means are configured to fix two hinge parts in respective seats obtained in a frame front for eyeglasses frames; - said control means are configured to operate said milling means in such a way as to obtain by milling on a first frame front, located inside said milling station, two seats for as many hinge parts and, at the same time, operate said first hinging means or said second hinging means to fix two hinge parts in respective seats of a second frame front, located respectively within said first hinging-station or within said second hinging-station.