Laser welding phenomenon of welding through is mainly caused by high welding current, welding speed is too weak or gap is too large.

Solution: First of all, we should control the current and effectively control the speed when welding, so that it matches. For instance, when the welding current is high, the welding speed should be appropriately increased and the installation gap should be strictly controlled. Gas Maintenance Welding should also pay attention to the gas flow rate should not be excessive, so as not to create a cutting effect.