Laser materials working apparatus

摘要

A laser materials working apparatus for drilling or cutting through materials using a laser includes a nozzle (1) through which the laser beam is focussed on a work piece. The nozzle (1) is secured to a mounting face on the apparatus by a locate and clamp coupling which holds a face of the nozzle firmly against the mounting face on the apparatus. Such mounting comprises a rotary cam plate which engages lugs on the nozzle to clamp it to the mounting face. The nozzle may be exchangeable by an automatic mechanism.