Electric heating – Metal heating – By arc
Patent
1998-04-17
1999-12-14
Shaw, Clifford C.
Electric heating
Metal heating
By arc
219137PS, B23K 9095
Patent
active
060021047
ABSTRACT:
A microprocessor based controller with a JAVA virtual machine used to control a specific electric arc welder having a switching type power supply for creating a welding cycle with a real time current waveform constituting several control parameters by rapidly switching a D.C. current in a controlled fashion by a pulse width modulator, which controller displays a waveform generated on an electrically operated waveform screen; allowing manual adjustment of at least a portion of the waveform displayed on the waveform screen to generate a new waveform on the waveform screen; and, operating the pulse width modulator to cause the power supply to create a real time waveform corresponding to the new waveform to execute the control parameters by the electric arc welder.
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Lincoln Global Inc.
Shaw Clifford C.
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