Soldering iron technical requirements
1. Solder joint requirements
1>.Reliable connection
2>. Sufficient mechanical strength
3>.Smooth and tidy appearance
2. Typical solder joint inspection
1>. The shape is centered on the welding wire, uniform and symmetrical
2>.Smooth glossy surface
3>. No cracks, slag inclusions and honeycomb holes in the weld
4>. Welding avoids "bridging" and short circuit
5>. Avoid damage to wires or insulation parts of components
