Regulating Pulses for Arc Welding

Regulating Pulses for Arc Welding

An electrical current pulse generating circuit for pulses arc GMA welding, has a main power supply (P1) for delivering current to an arc between an electrode (E) and a workpiece (W), a switch (1) controlling the formation of current pulses in the arc, and controllers (2, 3) for turning the switch (1...

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Hauptverfasser: ANTON SCHUBERT, WILLIAM KENNETH BROUGHAM, GARY LYN CHEESMAN, GRAEME JOHN OGILVIE
Format: Patent
Sprache:eng
Schlagworte:
CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
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creator ANTON SCHUBERT
WILLIAM KENNETH BROUGHAM
GARY LYN CHEESMAN
GRAEME JOHN OGILVIE
description An electrical current pulse generating circuit for pulses arc GMA welding, has a main power supply (P1) for delivering current to an arc between an electrode (E) and a workpiece (W), a switch (1) controlling the formation of current pulses in the arc, and controllers (2, 3) for turning the switch (1) on and off. The arc voltage is monitored (6), sampled, and averaged, and then compared with a preset arc voltage. The pulse frequency is altered within preset limits so as to maintain the average arc voltage at the preset level, in order to ensure single droplet transfer for each current pulse. The peak and background current levels are monitored and controlled by high frequency switching.
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The arc voltage is monitored (6), sampled, and averaged, and then compared with a preset arc voltage. The pulse frequency is altered within preset limits so as to maintain the average arc voltage at the preset level, in order to ensure single droplet transfer for each current pulse. 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subjects CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
title Regulating Pulses for Arc Welding
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