Pascal Miller - Groton MA, US Sergey Broude - Newton Center MA, US David L. Wall - Burlington MA, US Kenneth Todd McDaniel - Merrimack NH, US
Assignee:
RESONETICS LLC - Nashua NH
International Classification:
B29C 59/16
US Classification:
264400, 4251744, 425150, 425169
Abstract:
Embodiments of the present disclosure are directed to systems (), devices and methods for machining a work-piece from a plurality of directions using a single laser beam and galvanometer scan head (). In some embodiments, such a system includes, for example, a scanning galvanometer head (“scan-head”) (), having one or more mirrors () for directing a laser beam in at least one plane. Preferably, in some embodiments, the scan-head includes two mirrors for deflecting the laser beam in the at least one plane (e.g., an X-Y plane). A plurality of second mirrors (A, B, C) is arranged after the scan-head () to direct the laser onto a predetermined portion of the exterior of the object to be machined. In some preferred embodiments, there are three such second mirrors (A, B, C) each to direct the laser over a 120 degree area of the object. In some embodiments, a single, large-field focusing lens is also included to focus the laser output from the scan-head, while in other embodiments, each second mirror includes a corresponding focusing lens (A, B, C). One or more of the beams effecting machining of the work-piece may be unfolded.
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