JPS579578A - Method and apparatus of gas cutting of painted steel sheet - Google Patents

Method and apparatus of gas cutting of painted steel sheet

Info

Publication number
JPS579578A
JPS579578A JP8424980A JP8424980A JPS579578A JP S579578 A JPS579578 A JP S579578A JP 8424980 A JP8424980 A JP 8424980A JP 8424980 A JP8424980 A JP 8424980A JP S579578 A JPS579578 A JP S579578A
Authority
JP
Japan
Prior art keywords
steel sheet
nozzle
gas
gas cutting
preheating
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.)
Granted
Application number
JP8424980A
Other languages
Japanese (ja)
Other versions
JPS5846389B2 (en
Inventor
Minoru Mitsuhayashi
Noritsugu Sugizaki
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.)
KAWATETSU KOUZAI KOGYO KK
KAWATETSU KOZAI KOGYO KK
Koike Sanso Kogyo Co Ltd
Koike Sanso Kogyo KK
Original Assignee
KAWATETSU KOUZAI KOGYO KK
KAWATETSU KOZAI KOGYO KK
Koike Sanso Kogyo Co Ltd
Koike Sanso Kogyo KK
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 KAWATETSU KOUZAI KOGYO KK, KAWATETSU KOZAI KOGYO KK, Koike Sanso Kogyo Co Ltd, Koike Sanso Kogyo KK filed Critical KAWATETSU KOUZAI KOGYO KK
Priority to JP55084249A priority Critical patent/JPS5846389B2/en
Publication of JPS579578A publication Critical patent/JPS579578A/en
Publication of JPS5846389B2 publication Critical patent/JPS5846389B2/en
Expired legal-status Critical Current

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  • Gas Burners (AREA)

Abstract

PURPOSE: To perform the gas cutting with high efficiency, by aiming the gas cutting nozzle at the point of the painted steel sheet to be cut, and by blowing the preheating gas of high-speed flow to the spot just before cutting.
CONSTITUTION: A gas cutting blow pipe 4 and a preheating blow pipe 5 are so fixed via a flat bar 6 by a holders 7, 8 in one body that the center tip distance D between a gas cutting nozzle 1 and a preheating nozzle 2 and the distance d of the two points of intersection of each center line of the nozzle 1, 2 and the upper surface of the painted steel sheet W, the height H1, H2 from the center of nozzles 1, 2 to the upper surface of the painted steel sheet W as well as the delayed angle α, β from the vertical line toward the advancing direction of the nozzles 1, 2 as shown by the arrow mark 3 are attained to the predetermined amount. Then, preheating gas of high-speed flow of 50W100m/s is blown from the nozzle 2 to the spot of steel sheet to be cut by the nozzle 1. Accordingly, the slag generated on the steel sheet W is blown away and removed by the high pressure of the preheating gas, thus preventing perfectly the spattering of the slag on the steel sheet W and the plugging of the nozzle 1, and thus enabling the high efficiency of gas cutting.
COPYRIGHT: (C)1982,JPO&Japio
JP55084249A 1980-06-21 1980-06-21 Gas cutting method and equipment for painted steel plates Expired JPS5846389B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55084249A JPS5846389B2 (en) 1980-06-21 1980-06-21 Gas cutting method and equipment for painted steel plates

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55084249A JPS5846389B2 (en) 1980-06-21 1980-06-21 Gas cutting method and equipment for painted steel plates

Publications (2)

Publication Number Publication Date
JPS579578A true JPS579578A (en) 1982-01-19
JPS5846389B2 JPS5846389B2 (en) 1983-10-15

Family

ID=13825181

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55084249A Expired JPS5846389B2 (en) 1980-06-21 1980-06-21 Gas cutting method and equipment for painted steel plates

Country Status (1)

Country Link
JP (1) JPS5846389B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61126970A (en) * 1984-11-26 1986-06-14 Yokokawa Kyoryo Seisakusho:Kk Cutting method of steel plate coated with primer rich in zinc

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6087466B1 (en) * 2016-08-09 2017-03-01 大陽日酸株式会社 Postmix hydrogen crater and hydrogen gas cutting method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49103841A (en) * 1973-02-08 1974-10-01

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49103841A (en) * 1973-02-08 1974-10-01

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61126970A (en) * 1984-11-26 1986-06-14 Yokokawa Kyoryo Seisakusho:Kk Cutting method of steel plate coated with primer rich in zinc

Also Published As

Publication number Publication date
JPS5846389B2 (en) 1983-10-15

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