DEVICE FOR CONTROL OF WELDING ELECTRODE POSITION Russian patent published in 2003 - IPC

Abstract RU 2212321 C1

FIELD: automation of gas- shielded and submerged are welding; applicable in various branches of mechanical engineering in manufacture of welded structures. SUBSTANCE: output of welding voltage pickup is connected to inputs of the third, fourth, fifth, sixth and seventh band-pass filters whose outputs are connected via the second, third, fourth, fifth and sixth rectifiers to inputs of the second, third, fourth, fifth and sixth rectifiers to inputs of the second, third, fourth, fifth and sixth ripple filters. Control unit of analog switches supplied No of ripple filter input to control input of the first analog switch. Output of selected ripple filter is connected to the first input of maximum separation unit and the first input of minimum separation unit. The second input of minimum separation unit is connected to output of switch control unit. The second input of maximum separation unit is connected to output of switch control unit. Outputs of maximum separation unit is connected to the first input of divider of maximum by minimum. Connected to the second input of divider of maximum by minimum is output of minimum separation unit. Input of divider is connected to the first input of the second analog switch. The second input of minimum separation unit is connected to output of switch control unit. Output of the second analog switch is connected to input of analog memory unit whose output is connected to input of amplifier with variable amplification factor and input of electrode vibration amplitude amplifier. Output of amplifier with variable amplification factor is connected to input of drive of feed of welding torch along joint connected with welding torch. Output of analog memory unit is connected to the first input of summer. Connected to summer second input is setter. Output of summer is connected to the second input of comparator circuit to whose first input, output of low-pass filter is connected. Output of comparator device is connected to input correction amplifier. Output of correction amplifier is connected to input of correction drive of welding torch across joint, output of correction drive is connected to input of vibrator. Vibrator output is connected with welding torch. EFFECT: higher equality of welding joint in welding with short circuiting. 1 dwg

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RU 2 212 321 C1

Authors

Panarin V.M.

Roshchupkin Eh.V.

Vorontsov N.I.

Vorontsova N.V.

Pomelov D.S.

Golovnev S.M.

Karpov V.S.

Mazurov V.M.

Dates

2003-09-20Published

2002-07-22Filed