Title:
POWDER CUTTING METHOD, POWDER SUPPLY NOZZLE, AND POWDER CUTTING NOZZLE
Document Type and Number:
Japanese Patent JP2023151007
Kind Code:
A
Abstract:
To make it possible to improve work efficiency and can achieve improvement of safety by significantly reducing a preheating time when piercing a general soft steel.SOLUTION: A piercing method for piercing a material W to be cut comprising a general soft steel by use of a gas cutting nozzle 2 has: a process in which cut oxygen and a preheating gas are ejected from the gas cutting nozzle 2; and a process in which powders T are supplied toward a preheating flame air stream R comprising the cut oxygen and the preheating gas ejected from the gas cutting nozzle 2. According to the method, the powders T are supplied in a direction along the preheating flame air stream R.SELECTED DRAWING: Figure 4
Inventors:
SUZUOKI MUNEO
TAKEDA TAKASHI
KATO TAKASHI
TAKEDA TAKASHI
KATO TAKASHI
Application Number:
JP2022060392A
Publication Date:
October 16, 2023
Filing Date:
March 31, 2022
Export Citation:
Assignee:
NISSAN TANAKA CORP
TAIYO NIPPON SANSO CORP
TAIYO NIPPON SANSO CORP
International Classes:
B23K7/08; B23K7/00; B23K7/10
Attorney, Agent or Firm:
Patent Attorney Shiga International Patent Office
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