Title:
鋼板の切断方法
Document Type and Number:
Japanese Patent JP6809492
Kind Code:
B2
Abstract:
To simply and efficiently cut a steel plate having a rugged shape on the surface by using a copying sensor.SOLUTION: A steel plate 1A having a rugged shape on the surface is cut by a heat cutting torch 10a. A copying sensor 14 which is connected with the heat cutting torch 10a and detects ruggedness on the surface of the steel plate 1A with a sensor tip part capable of being brought into contact with the steel plate 1A surface is provided. In accordance with the ruggedness detected by the copying sensor 14, the heat cutting torch 10a is displaced in such direction as to approach/get away from the steel plate 1A surface and, at the same time, the steel plate 1A is cut with the heat cutting torch 10a. The tip part of the copying sensor is brought into contact with protruded parts on the steel plate surface, however, is not brought into contact with the bottom part of recessed parts of the steel plate surface and is displaced in the cutting direction.SELECTED DRAWING: Figure 3
Inventors:
Keisuke Takeo
Nari Soto
Yasuyuki Suzuki
Hiromi Nakajima
Nari Soto
Yasuyuki Suzuki
Hiromi Nakajima
Application Number:
JP2018026710A
Publication Date:
January 06, 2021
Filing Date:
February 19, 2018
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
B23K7/00; B23K10/00; B23K26/38
Domestic Patent References:
| JP60118456A | ||||
| JP2011016180A |
Attorney, Agent or Firm:
Tetsuya Mori
Hide Tanaka Tetsu
Ichi Hirose
Toru Miyasaka
Hide Tanaka Tetsu
Ichi Hirose
Toru Miyasaka