SE7708292L - PROCEED WITH AN EXPLOSIVE CHARGE WELD A METAL PIPE INTO A DRILL IN A METAL FORM - Google Patents

PROCEED WITH AN EXPLOSIVE CHARGE WELD A METAL PIPE INTO A DRILL IN A METAL FORM

Info

Publication number
SE7708292L
SE7708292L SE7708292A SE7708292A SE7708292L SE 7708292 L SE7708292 L SE 7708292L SE 7708292 A SE7708292 A SE 7708292A SE 7708292 A SE7708292 A SE 7708292A SE 7708292 L SE7708292 L SE 7708292L
Authority
SE
Sweden
Prior art keywords
pipe
opening
equal
plate
radius
Prior art date
Application number
SE7708292A
Other languages
Swedish (sv)
Other versions
SE413375B (en
Inventor
N A Zondag
Original Assignee
Ultra Centrifuge Nederland Nv
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 Ultra Centrifuge Nederland Nv filed Critical Ultra Centrifuge Nederland Nv
Publication of SE7708292L publication Critical patent/SE7708292L/en
Publication of SE413375B publication Critical patent/SE413375B/en

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
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/06—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of high energy impulses, e.g. magnetic energy
    • B23K20/08—Explosive welding
    • B23K20/085—Explosive welding for tubes, e.g. plugging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/06—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes in openings, e.g. rolling-in
    • B21D39/066—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes in openings, e.g. rolling-in using explosives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/06—Fastening; Joining by welding
    • F28F2275/068—Fastening; Joining by welding by explosive welding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

1419665 Welding by pressure; jointing by tube expanding; dividing ULTRACENTBIFUGE NEDERLAND NV 13 Dec 1973 [13 Dec 1972] 57826/73 Headings B3J B3R and B3W In explosively welding a metal pipe 2 having a circular cross section in a cylindrical opening 4 in a metal body 1, the outer diameter of the pipe being smaller than the diameter of the opening, the pipe is positioned coaxially in the opening and in a circular opening 12 in a metal plate 11 detachably secured to the body, the plate opening 12 having a minimum diameter equal to the outer diameter of the pipe and a maximum diameter, adjacent the body, equal to the diameter of the opening 4 and the surface of the opening 12 between the maximum diameters being curved in crosssection and having a radius of curvature equal to or greater than the difference between the radius of the opening 4 and the radius of the pipe, an explosive charge 6, having a detonation velocity equal to the sonic velocity of the pipe metal, is positioned in the pipe and detonated so that the explosion commences in the portion of the charge within the opening 12 in the plate. In one embodiment the plate 11 is secured to a wall 1 by clamps, bolts or a holder and after detonation of the charge the pipe becomes welded into the bore but although the pipe is thrust against the aperture in the plate, the presence of oxides, &c. prevents welding thereto. The wider end of the aperture 12 in the plate has a radius of curvature 13 which may be at least equal to the width of the gap 3 between the pipe and the bore and at most equal to two and a half times the said width then upon detonation the portion of pipe 2 above the bore will be severed. If the radius of curvature is at least equal to four times the width of the gap shearing does not take place. A number of pipes may be welded simultaneously into a numbr of bores in a wall. A smaller pipe may be welded into the wall of a larger pipe, the upper plate being curved to fit the interior of the larger pipe and being supported by a block fixed in the larger pipe. One of the electrodes for the firing charge is in contact with a conductor in the block and the electric firing supply is connected to the pipe and to the conductor in the block.
SE7708292A 1972-12-13 1977-07-18 SET TO AVOID AN EXPLOSIVE CHARGE WELD A METAL PIPE IN A BILL IN A METAL FORM SE413375B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7216956A NL157826B (en) 1972-12-13 1972-12-13 METHOD OF WELDING A METAL PIPE PUT THROUGH A HOLE OF A METAL BODY TO THAT BODY USING AN EXPLOSION.

Publications (2)

Publication Number Publication Date
SE7708292L true SE7708292L (en) 1977-07-18
SE413375B SE413375B (en) 1980-05-27

Family

ID=19817535

Family Applications (2)

Application Number Title Priority Date Filing Date
SE7316463A SE407669B (en) 1972-12-13 1973-12-06 MAKE AN EXPLOSIVE CHARGE WELD A RUBBER IN A HALF-METAL BODY
SE7708292A SE413375B (en) 1972-12-13 1977-07-18 SET TO AVOID AN EXPLOSIVE CHARGE WELD A METAL PIPE IN A BILL IN A METAL FORM

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SE7316463A SE407669B (en) 1972-12-13 1973-12-06 MAKE AN EXPLOSIVE CHARGE WELD A RUBBER IN A HALF-METAL BODY

Country Status (10)

Country Link
JP (1) JPS4996950A (en)
AU (1) AU471565B2 (en)
BE (1) BE808566A (en)
CA (1) CA991891A (en)
DE (2) DE2365840C2 (en)
FR (1) FR2210480B1 (en)
GB (1) GB1419665A (en)
IT (1) IT1005175B (en)
NL (2) NL157826B (en)
SE (2) SE407669B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4765527A (en) * 1986-10-24 1988-08-23 Foster Wheeler Development Corporation Tubesheet and a method for explosively welding a tube to a tubesheet while preventing separation of cladding from the tubesheet
CN114589389B (en) * 2022-03-08 2024-07-16 中国人民解放军陆军装甲兵学院 High wave impedance self-restrained explosion welding method and device for dissimilar metal composite pipe

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT264257B (en) * 1965-08-12 1968-08-26 Yorkshire Imp Metals Ltd Method and arrangement for fixing a metal pipe in a metal support plate

Also Published As

Publication number Publication date
IT1005175B (en) 1976-08-20
NL7713928A (en) 1978-04-28
FR2210480B1 (en) 1979-10-05
DE2358444A1 (en) 1974-06-20
AU471565B2 (en) 1976-04-29
NL161878C (en) 1980-03-17
NL157826B (en) 1978-09-15
NL7216956A (en) 1974-06-17
DE2365840A1 (en) 1976-09-16
BE808566A (en) 1974-03-29
NL161878B (en) 1979-10-15
SE413375B (en) 1980-05-27
JPS4996950A (en) 1974-09-13
FR2210480A1 (en) 1974-07-12
DE2358444B2 (en) 1978-01-05
AU6286573A (en) 1975-06-12
DE2365840C2 (en) 1985-10-17
DE2358444C3 (en) 1978-08-31
SE407669B (en) 1979-04-09
CA991891A (en) 1976-06-29
GB1419665A (en) 1975-12-31

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