FIELD: optics.
SUBSTANCE: invention relates to a laser processing head for processing preform (5) by means of laser beam (2). Head comprises fastening assembly (11), beam-forming optics (15', 15") that is mounted to be movable in the longitudinal direction of laser beam (2) in mounting unit (11). In order to substantially prevent contamination of optics (15', 15") and securely hold optics (15', 15") in its established position, even if large inertia forces arise as a result of large accelerations, a belt drive for movement of the optics (15', 15").
EFFECT: laser processing head with a belt drive for moving the optics is proposed.
12 cl, 5 dwg
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