EP 0000676 B1 19810107 - METHOD AND APPARATUS FOR CONTROLLING AN ELECTRON BEAM WELDING GENERATOR
Title (en)
METHOD AND APPARATUS FOR CONTROLLING AN ELECTRON BEAM WELDING GENERATOR
Publication
Application
Priority
FR 7722599 A 19770722
Abstract (en)
[origin: US4236058A] A method of and apparatus for regulating an electron-beam welding generator of the kind having three electrodes viz: a cathode, a Wehnelt electrode and an anode. The method is characterized by a suitable combination of two methods of regulating an electron beam welding gun. One of these methods includes varying and regulating the very high voltage while maintaining the voltage applied to the Wehnelt electrode at the potential of the cathode (operation of the "diode" kind). The other method includes holding the very high voltage constant while regulating or programming the welding current by means of the voltage to the Wehnelt electrode (operation of the "triode" kind). The variations in and regulation of the very high voltage are controlled by an induction regulator associated with a thyristorized regulator.
IPC 1-7
IPC 8 full level
B23K 15/00 (2006.01); H01J 37/24 (2006.01); H01J 37/302 (2006.01)
CPC (source: EP US)
H01J 37/241 (2013.01 - EP US); H01J 37/302 (2013.01 - EP US)
Designated contracting state (EPC)
BE DE FR GB
DOCDB simple family (publication)
EP 0000676 A1 19790207; EP 0000676 B1 19810107; CA 1118055 A 19820209; DE 2860411 D1 19810226; FR 2398384 A1 19790216; FR 2398384 B1 19800201; IT 1097181 B 19850826; IT 7825798 A0 19780717; JP S5423053 A 19790221; US 4236058 A 19801125
DOCDB simple family (application)
EP 78400057 A 19780711; CA 307892 A 19780721; DE 2860411 T 19780711; FR 7722599 A 19770722; IT 2579878 A 19780717; JP 8850878 A 19780721; US 92587478 A 19780718