Automatic arcing device for vacuum consumable electric-arc furnace and control method
A vacuum consumable arc and consumable electrode technology, which is applied to electric heating devices, electrical components, heating through discharge, etc., can solve the problems of long time for stable melting, low success rate of one-time arc starting and low accuracy of arc distance control. , to achieve the effects of high success rate, improved yield rate, and reduced arcing time
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Embodiment 1
[0043] In the case of adopting the device of the present invention, the titanium material is arc-started, and the arc-starting parameters are set on the industrial computer: arc-starting voltage U 0 =20V~26V, arc voltage variation U 01 =2V~3V, short circuit voltage U 1 =10V~13V, starting current I 0 =2A~4kA and current variation I 01 =0.5kA~1.0kA, starting time T 0 =2min~15min, arc distance D 0 =10mm~30mm. Then control according to the above steps.
Embodiment 2
[0045] In the case of adopting the device of the present invention, the titanium material is arc-started, and the arc-starting parameters are set on the industrial computer: arc-starting voltage U 0 =24V~30V, arc voltage variation U 01 =2V~4V, short circuit voltage U 1 =12V~16V, starting current I 0 =3A~7kA and current variation I 01 =0.5kA~1.2kA, starting time T 0 =10min~20min, arc distance D 0 =10mm~40mm. Then control according to the above steps.
Embodiment 3
[0047] In the case of adopting the device of the present invention, the titanium material is arc-started, and the arc-starting parameters are set on the industrial computer: arc-starting voltage U 0 =28V~36V, arc voltage variation U 01 =2V~5V, short circuit voltage U 1 =14V~18V, starting current I 0 =6A~10kA and current variation I 01 =1.0kA~1.5kA, starting time T 0 =18min~30min, arc distance D 0 =30mm~60mm. Then control according to the above steps.
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