It is not rare for finished wire to be marked. This often happens on stripper blocks and causes quality complaints. Below is a series of specific steps you can take

If you don’t see a thin shiny coating on the wire exiting a die using a dry lube, then there is a problem. The die and/or pressure die system has

Stepper motors or similar devices are used to move the stopper rods or metering pins that regulate molten metal flow into the casting machine.