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Title:
LASER CUTTING METHOD, NOZZLE OF LASER MACHINING DEVICE, AND LASER MACHINING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/143241
Kind Code:
A1
Abstract:
When this laser cutting method is applied to a metallic workpiece, the same assist gas is emitted from an inside nozzle and an outside nozzle of a nozzle having a dual structure in a laser machining head, and a throttle portion of the assist gas emitted in a conical shape from the outside nozzle conforms to the surface of the workpiece to perform laser cutting.

Inventors:
MASUDA KENJI (JP)
MIYOSHI HIRONOBU (JP)
Application Number:
PCT/JP2018/003117
Publication Date:
August 09, 2018
Filing Date:
January 31, 2018
Export Citation:
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Assignee:
AMADA HOLDINGS CO LTD (JP)
International Classes:
B23K26/142; B23K26/38
Foreign References:
JPH06190582A1994-07-12
JPH09136183A1997-05-27
JPH10305387A1998-11-17
JP2008105073A2008-05-08
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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