METHOD AND APPARATUS OF PREPARING LENS FOR VEHICLE HEADLAMP

摘要

PURPOSE: A process and apparatus for producing a composite lens for automobile headlamp monolithically comprising a plurality of part lenses different in color are provided which can manufacture the title lens at low costs. CONSTITUTION: A process comprises the steps of (1) grasping part lenses (16,17) made of synthetic resin and maintaining by subjecting a pair of insert jigs (6,7) to approach using a vibration welding machine (1) equipped with a lens fixing jig comprising a pair of insert jigs on each fixing part and vibration part, (2) contacting a welding part of each part lens by subjecting the fixing part and vibration part to approach and (3) integrating the part lens by vibrating the vibration part and welding