FIELD: process engineering.
SUBSTANCE: proposed method is intended for cutting out of rolled sheet at NC equipment in making large-size and complex structures. Rolled sheet is cut out to trim edges for welding and holes are made by plasmatron and milling cutter. Plasmatron and milling cutter are coupled to allow adjusting spacing between them and displacement in PNC-controlled curvilinear outline with plastron and milling cutter displacing in polar coordinates relative to center aligned with milling cutter center. Holes are drilled by plasma blowing with reaming by milling cutter.
EFFECT: faster process, higher quality.
2 dwg
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