The results of comparative studies of laser cutting of glass are represented, which show that at high laser radiation powers it is possible to achieve the glass cutting speeds of 0.5 m/s or more. Such high speeds of laser cutting of glass with a thickness of more than 3 mm open up the possibility of using the modern powerful lasers in the glass industry.
The problems of through laser cutting of sodium silicate glasses by laser-controlled thermal cleavage are considered. A wide variety of obtained end face shapes is demonstrated. It is shown that the strength of glass samples cut by the laser is about two times higher than that of samples cut by a glass cutter.
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