Analysis of anode temperature stability in hollow cathode vacuum arc brazing under multi-parameter coupling based on SR-MLP.

6 , when the argon flow rate increased from 60sccm to 120sccm, the temperature of the anode plate showed an increasing trend, and the axial temperature gradient of the anode plate at different argon flow rates produced only limited fluctuations.

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When the bipolar spacing increases from 4 mm to 10 mm, the temperature at the anode center point showed a downward trend, decreasing by 1016 K, representing a 42.5% drop, and 4 mm, 6 mm, 8 mm to meet the hollow cathode vacuum arc brazing process technology requirements; when the argon flow rate increases from 60sccm to 120sccm, the temperature at the anode center point showed an upward trend, increasing by 436 K, representing a 27.1% rise; when the radius of the cathode tube increases from 3.2mm to 4.4mm, the temperature at the anode center point showed a decreasing trend, dropping by 1016 K, representing a decrease of 42.6%., and 3.6mm, 4.0mm hollow cathode vacuum arc brazing process technology requirements.

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