GB692558A - Improvements in and relating to electric welding apparatus - Google Patents

Improvements in and relating to electric welding apparatus

Info

Publication number
GB692558A
GB692558A GB28728/49A GB2872849A GB692558A GB 692558 A GB692558 A GB 692558A GB 28728/49 A GB28728/49 A GB 28728/49A GB 2872849 A GB2872849 A GB 2872849A GB 692558 A GB692558 A GB 692558A
Authority
GB
United Kingdom
Prior art keywords
stud
gun
welding
piston
pallet
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.)
Expired
Application number
GB28728/49A
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.)
Graham Manufacturing Corp
Original Assignee
Graham Manufacturing 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 Graham Manufacturing Corp filed Critical Graham Manufacturing Corp
Publication of GB692558A publication Critical patent/GB692558A/en
Expired 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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
    • B23K11/004—Welding of a small piece to a great or broad piece
    • B23K11/0046—Welding of a small piece to a great or broad piece the extremity of a small piece being welded to a base, e.g. cooling studs or fins to tubes or plates
    • B23K11/0053—Stud welding, i.e. resistive

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Resistance Welding (AREA)

Abstract

692,558. Welding by pressure. GRAHAM MANUFACTURING CORPORATION. Nov. 9, 1949 [June 1, 1949], No. 28728/49. Class 83 (iv). In a welding gun for welding a stud w, Fig. 2, to a workpiece, the gun being connected during the welding operation to one terminal of an electric power source, whilst the other terminal is connected to the workpiece, and a main piston 26 being reciprocable in a cylindrical bore 24 and having a piston rod 27 carrying a chuck 21 for holding the stud, the bore 24 contains an auxiliary piston 39 for inserting the stud in the chucks. A conduit 44 admits compressed air to move the piston 39 against the action of a spring 40 interposed between the pistons 26, 39, thereby inserting a stud w in the chuck 21 and subsequently moving the main piston 26 until the stud w contacts the workpiece to complete and maintain a welding circuit. Means are provided for returning the pistons and concomitantly disconnecting the welding circuit after the completion of the weld. The studs ware supplied through a slot 20 to the chuck 21 and through a tube 19 either by hand or automatically, an escapement 22, Fig. 6, ensuring that one stud only is provided during each operating cycle of the gun. The escapement 22 comprises pallets 73, 74 pivotally mounted on a bracket 71 at the lower end of the gun body 23, and is actuated by a finger 76 on an arm 53 through which the piston rod 27 is connected electrically to a supply lead 61. On actuation of the gun the finger 76 moves downwardly to allow the pallets 73, 74 to be turned by springs 75, 81 so that the pallet 73 releases a stud w which falls and is obstructed by the end 77 of the pallet 74. On the return stroke of the piston rod 27 the finger 76 rotates the pallets 73, 74 so that the pallet 74 releases a stud w, the succeeding stud being held by the pallet 73. The retraction of the pistons 26, 39 is effected by compressed air supplied continuously through an arm 11 supporting the gun to the space beneath the piston 26, the conduit 44 being connected to atmosphere. A system for operating the gun is described having safety control devices similar to those described in Specification 692,559. Specification 692,553 also is referred to.
GB28728/49A 1949-06-01 1949-11-09 Improvements in and relating to electric welding apparatus Expired GB692558A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US692558XA 1949-06-01 1949-06-01

Publications (1)

Publication Number Publication Date
GB692558A true GB692558A (en) 1953-06-10

Family

ID=22087741

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28728/49A Expired GB692558A (en) 1949-06-01 1949-11-09 Improvements in and relating to electric welding apparatus

Country Status (1)

Country Link
GB (1) GB692558A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2612104A1 (en) * 1987-03-09 1988-09-16 Peugeot ELECTRODES WELDING DEVICE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2612104A1 (en) * 1987-03-09 1988-09-16 Peugeot ELECTRODES WELDING DEVICE
EP0284467A1 (en) * 1987-03-09 1988-09-28 Automobiles Peugeot Electrode welding device

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