AIR JET DEVICE OF OPTIC HEAD USED IN LASER SYSTEM

摘要

PURPOSE: An air jet device of an optic head used in a laser system is provided to improve transmissivity of laser beam by forming a three-stepped air curtain at a lower portion of the optic head. CONSTITUTION: An air jet device includes a connecting member screw-coupled to a lower end of an optic head. A cover glass is accommodated in the connecting member. An auxiliary glass bundle is provided at a lower portion of the cover glass. An auxiliary glass exchanging frame is coupled to a lower portion of the connecting member. A space section is formed in the auxiliary glass exchanging frame. An air spraying device is provided at one side of the auxiliary glass exchanging frame through a side plate. An anti-spattering plate having a laser beam radiating hole is coupled to a lower end of the side plate.