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Method and plant for laser cutting with dual-flow and double-focus cutting head
Method and plant for laser cutting with dual-flow and double-focus cutting head
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机译:双流双焦点切割头激光切割方法及装置
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摘要
Method and plant for cutting or welding by a laser beam with dual-flow and double-focus cutting head. The plant includes a laser generator to generate at least one main laser beam (10), a first optical element (1) enabling the main laser beam (10) to be divided into at least two subsidiary laser beams (11, 12), a first outlet nozzle (4) through which one (11) of the subsidiary laser beams passes, and a second outlet nozzle (3) through which the other (12) of the subsidiary laser beams passes, the first and second outlet nozzles (4, 3) being approximately coaxial one with the other. In this way, it is possible to focus the central beam (11) onto a focusing point (PF) by a first focusing element (1), such as a lens, and the other beam (12) onto an annular focusing zone (ZAF).
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