Automatic welding of old and new strip during the coil change reduces down times Coil end welder The automated welding of old and new strip during the coil change reduces standstill times. This enables savings of up to 20......Automatic welding of old and new strip during the coil change reduces down times Coil end welder The automated welding of old and new strip during the coil change reduces standstill times. This enables savings of up to 20 minutes, particularly in complex systems with pre-stamping operations. Scrap material is also reduced, as face cutting of the new strip is unnecessary.