JPS5536074A - Slit cutting method of steel tube sheet pile tube coupling - Google Patents

Slit cutting method of steel tube sheet pile tube coupling

Info

Publication number
JPS5536074A
JPS5536074A JP10996978A JP10996978A JPS5536074A JP S5536074 A JPS5536074 A JP S5536074A JP 10996978 A JP10996978 A JP 10996978A JP 10996978 A JP10996978 A JP 10996978A JP S5536074 A JPS5536074 A JP S5536074A
Authority
JP
Japan
Prior art keywords
cut
point
steel tube
torch
slit
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
JP10996978A
Other languages
Japanese (ja)
Inventor
Tomohide Kono
Kazuaki Kaya
Tadahiro Tanaka
Masamichi Takahashi
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
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP10996978A priority Critical patent/JPS5536074A/en
Publication of JPS5536074A publication Critical patent/JPS5536074A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K7/00—Cutting, scarfing, or desurfacing by applying flames
    • B23K7/005—Machines, apparatus, or equipment specially adapted for cutting curved workpieces, e.g. tubes
    • B23K7/006—Machines, apparatus, or equipment specially adapted for cutting curved workpieces, e.g. tubes for tubes

Abstract

PURPOSE:To form a slit-like notch part with excellent linearity by setting firmly the small tube coupling welded to the steel tube sheet pile so that its cut position can be set directly above, controlling the cut torch position by the numerical value control device, and performing a running cut. CONSTITUTION:The base tube 1 to which a small diameter steel tube 2a is welded on its side is placed on the turning roll 9 so that the cut starting point P1can be set right above. The moving amount of X and Y directions of the torch before making the tip of the cutting torch 17 match the point P1 is detected with the moving detectors 13, 16. And in this case, a worker gives a reading signal to the operation memory in the numerical value control device 19, and the position of X and Y co- ordinates from the basic position which has been optionally decided in advance to the point P1 is set in the device 19. The X and Y co-cordinates of the cutting end point P2 are also set in the device 19 in the same way, the device 19 derives a virtual straight line which connects P1 and P2 by the well-known operation, and the slit-like notch part is formed by controlling two axes (X and Y axes) automatically in accordance with the aforesaid straight line.
JP10996978A 1978-09-07 1978-09-07 Slit cutting method of steel tube sheet pile tube coupling Pending JPS5536074A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10996978A JPS5536074A (en) 1978-09-07 1978-09-07 Slit cutting method of steel tube sheet pile tube coupling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10996978A JPS5536074A (en) 1978-09-07 1978-09-07 Slit cutting method of steel tube sheet pile tube coupling

Publications (1)

Publication Number Publication Date
JPS5536074A true JPS5536074A (en) 1980-03-13

Family

ID=14523741

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10996978A Pending JPS5536074A (en) 1978-09-07 1978-09-07 Slit cutting method of steel tube sheet pile tube coupling

Country Status (1)

Country Link
JP (1) JPS5536074A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60187466A (en) * 1984-03-06 1985-09-24 Nippon Steel Corp Automatic slitter for tubular joint of steel pipe type sheet pile by biaxial profiling mechanism
WO2022190754A1 (en) * 2021-03-08 2022-09-15 Ｊｆｅスチール株式会社 Method for manufacturing steel pipe sheet pile having mechanical joint pipe

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60187466A (en) * 1984-03-06 1985-09-24 Nippon Steel Corp Automatic slitter for tubular joint of steel pipe type sheet pile by biaxial profiling mechanism
JPS6355393B2 (en) * 1984-03-06 1988-11-02 Nippon Steel Corp
WO2022190754A1 (en) * 2021-03-08 2022-09-15 Ｊｆｅスチール株式会社 Method for manufacturing steel pipe sheet pile having mechanical joint pipe
JP2022136379A (en) * 2021-03-08 2022-09-21 Ｊｆｅスチール株式会社 Manufacturing method of steel pipe sheet pile having mechanical joint pipe

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