Joining quality in fusing is desired to be improved

Fine control resistance welding machine that achieves stable finish

Challenge: In fusing process,
・Wire break by over flattening/insufficient flattening and conduction failure need to be reduced. ・Thermal cutting is desired to be restrained when work is combination of thin terminal and thick wire.

Background

If the finishing dimensions of the terminal after fusing are unstable, it may cause disconnection or connection failure. When a work is in combination of thick wire and thin terminal, heat generation
may be unbalanced and the terminal may melt.

Background

Avio's Solution: By using the inverter type resistance welding controller
that realizes fine control, welding quality is improved.

Stable fusing is realized by homogenizing finishing dimensions and generating well-balanced heat.

1. High-speed, high-precision displacement control provides a current-stop function to achieve stable finished dimensions.

  • When the preset finish dimension is reached, welding current is forcibly terminated.
  • Variation of power interruption time 1 msec or less.

1. High-speed, high-precision displacement control provides a current-stop function to achieve stable finished dimensions.

2. Optimum heat balance is achieved by the Pulsation Function
(Fine control of welding time and output).

By max. 127 steps of current control, it gradually heats up to remove the insulation, and reduce fusing (cutting).

Pulsation Function : Welding Image

Fine control for stable fusing.

Point

1. Accurate weld stop

1. Accurate weld stop

2. Displacement control

2. Displacement control

Applicable models

Related products

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