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  3. Process characteristics and parameters o...
Welding parts are assembled as lap joints or oblique butt joints placed between the two roller electrodes. The rollers pressurize the welding parts and rotate them, which drives the welding parts forward, continuously or intermittently supplies power, and uses resistance heat to melt the welding metal to form a series Resistance welding method for solder joints.

When the welding current is small, with the increase of electrode pressure, the nugget width increases significantly, the amount of overlap decreases, and the seal of the weld is not good. When the welding current is large, the electrode pressure changes over a wide range, and its melting Changes in core width and penetration are small.

The diameter D of the roller electrode is generally 50 ~ 600mm, and the common size is D = 180 ~ 250mm; the size of the end surface of the roller electrode is H≤20mm and R = 25 ~ 200mm. In order to improve the heat dissipation effect of the roller electrode and reduce the tendency of electrode sticking, the diameter of the roller electrode should be as large as possible under the condition of the allowable structural size of the weldment.

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  • Beryllium copper
    • Beryllium copper rod
    • Beryllium copper plate
    • Beryllium copper tube
    • Beryllium copper strip
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    • Tungsten copper sheet
    • Tungsten copper plate
    • Tungsten copper bar
  • Aluminum bronze
    • Aluminum bronze tube
    • Aluminum bronze plate
    • Aluminum bronze bar
  • Brass profiles
    • Brass profiles plate
    • Brass profiles bar
    • Brass profiles U shape
    • Brass profiles L shape
    • Other
  • BeCoCu
    • Beryllium cobalt copper plate
    • Beryllium cobalt copper tube
    • Beryllium cobalt copper bar
  • CrZrCu
    • Chromium Zirconium copper bar
    • Chromium Zirconium copper tube
    • Chromium Zirconium copper plate
  • Tin bronze
    • Tin bronze bar
    • Tin bronze tube
    • Tin bronze plate
  • Red copper
    • Red copper bar
    • Red copper tube
    • Red copper plate
    • Red copper wire

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