Cutting method and apparatus

Details Cutting method and apparatus Cutting method and apparatus

B - Operations, Transporting

26

F

164/16, 164/18

B26F 1/26 (2006.01) B24C 1/04 (2006.01) B24C 5/04 (2006.01) B26F 3/00 (2006.01)

Patent

CA 2010083

The present invention provides a novel method and apparatus for fluid cutting by ejecting a fluid by a Coanda spiral flow generated through a pressurized fluid. The apparatus comprises a rotatable and movable Coanda spiral flow generating nozzle having an annular slit for introducing a pressurized fluid transversely to a nozzle ejecting port and a curved wall running from said slit to said ejecting port. Cutting efficiency is greatly improved and wear resistance of a nozzle is excellent. When using hard cutting particles, they are uniformly dispersed throughout the fluid.

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