GB697220A - Arrangement in automatic electric arc welding machines - Google Patents

Arrangement in automatic electric arc welding machines

Info

Publication number
GB697220A
GB697220A GB881252A GB881252A GB697220A GB 697220 A GB697220 A GB 697220A GB 881252 A GB881252 A GB 881252A GB 881252 A GB881252 A GB 881252A GB 697220 A GB697220 A GB 697220A
Authority
GB
United Kingdom
Prior art keywords
motor
arc
voltage
welding
resistance
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
GB881252A
Inventor
Gunnar Bengtsson
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.)
ABB Norden Holding AB
Original Assignee
ASEA AB
Allmanna Svenska Elektriska AB
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 ASEA AB, Allmanna Svenska Elektriska AB filed Critical ASEA AB
Priority to GB881252A priority Critical patent/GB697220A/en
Publication of GB697220A publication Critical patent/GB697220A/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
    • B23K9/00—Arc welding or cutting
    • B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
    • B23K9/124—Circuits or methods for feeding welding wire
    • B23K9/125—Feeding of electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding Control (AREA)

Abstract

697,220. Automatic arc-welding control systems. ALLMANNA SVENSKA ELEKTRISKA AKTIEBOLAGET. April 7, 1952, No. 8812/52. Class 38 (iv). In an automatic electric arc-welding machine the electrodes of which are fed by a D.C. motor, the motor armature is supplied in series with an adjustable resistance from the arc voltage and the motor field is separately excited and works under saturation conditions. To maintain constant the voltage between a D.C. welding electrode 1 and a workpiece 2, the voltage is applied to the armature of a D.C. motor 5 feeding the electrode automatically. Resistance 8 which limits motor speed on starting, before the arc is struck, is automatically short-circuited when the arc is struck, by a contact 9 of a relay (not shown) responsive to welding current. Resistance 7 is adjusted to give a suitable speed of feed. The motor field has a separately excited winding 6 the effect of supply voltage variations to which are minimized by operating the field at saturation. In a modification, Fig. 2 (not shown), an A.C. arc is controlled, the motor being supplied through a transformer and rectifier.
GB881252A 1952-04-07 1952-04-07 Arrangement in automatic electric arc welding machines Expired GB697220A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB881252A GB697220A (en) 1952-04-07 1952-04-07 Arrangement in automatic electric arc welding machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB881252A GB697220A (en) 1952-04-07 1952-04-07 Arrangement in automatic electric arc welding machines

Publications (1)

Publication Number Publication Date
GB697220A true GB697220A (en) 1953-09-16

Family

ID=9859697

Family Applications (1)

Application Number Title Priority Date Filing Date
GB881252A Expired GB697220A (en) 1952-04-07 1952-04-07 Arrangement in automatic electric arc welding machines

Country Status (1)

Country Link
GB (1) GB697220A (en)

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