JPS5695469A - Gas cutting method - Google Patents

Gas cutting method

Info

Publication number
JPS5695469A
JPS5695469A JP17211979A JP17211979A JPS5695469A JP S5695469 A JPS5695469 A JP S5695469A JP 17211979 A JP17211979 A JP 17211979A JP 17211979 A JP17211979 A JP 17211979A JP S5695469 A JPS5695469 A JP S5695469A
Authority
JP
Japan
Prior art keywords
cutting
nozzle
succeeding
steel material
face
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP17211979A
Other languages
Japanese (ja)
Inventor
Takao Ko
Nobuyuki Yamauchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP17211979A priority Critical patent/JPS5695469A/en
Publication of JPS5695469A publication Critical patent/JPS5695469A/en
Pending legal-status Critical Current

Links

Landscapes

  • Milling, Broaching, Filing, Reaming, And Others (AREA)

Abstract

PURPOSE: To prevent the sticking of slag on the lower part of cutting end face by limiting the angle of inclination to the cutting advance direction of a succeeding torch to a specific range at the time of cutting a steel material of large sheet-metal gage.
CONSTITUTION: A preceding cutting nozzle 5 and a succeeding cutting nozzle 4 are arrayed on a cutting line in a tandem system, and cutting oxygen and heating gas flame are released from both nozzles 5, 4. In this case, the angle α of inclination of the nozzle 4 is so set that the point (e) of intersection of the extension line of the cutting oxygen gas current 7 released from the nozzle 4 and the cutting advance face 10 positions between x1 and y1 away 1/3 the sheet-metal gage (t) and 20mm downward with the under surface 9 of a steel material 8 as (o). Namely, even with a steel material of ≥100mm in gage, this method assists the expulsion and cutting reaction of the molten metal in the lower part of its face 10 in a manner as to be executed well with the succeeding cutting torch. Hence forward, the slag removing work is omitted providing extremely high effect in terms of working efficiency and cost.
COPYRIGHT: (C)1981,JPO&Japio
JP17211979A 1979-12-29 1979-12-29 Gas cutting method Pending JPS5695469A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17211979A JPS5695469A (en) 1979-12-29 1979-12-29 Gas cutting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17211979A JPS5695469A (en) 1979-12-29 1979-12-29 Gas cutting method

Publications (1)

Publication Number Publication Date
JPS5695469A true JPS5695469A (en) 1981-08-01

Family

ID=15935900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17211979A Pending JPS5695469A (en) 1979-12-29 1979-12-29 Gas cutting method

Country Status (1)

Country Link
JP (1) JPS5695469A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0074474A2 (en) * 1981-09-11 1983-03-23 Messer Griesheim Gmbh Arrangement of a scarfing torch
JPS5958556U (en) * 1982-10-05 1984-04-17 日本スピング株式会社 Steel cutting slag removal equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0074474A2 (en) * 1981-09-11 1983-03-23 Messer Griesheim Gmbh Arrangement of a scarfing torch
JPS5958556U (en) * 1982-10-05 1984-04-17 日本スピング株式会社 Steel cutting slag removal equipment

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