When making this mold insert, the problem is fitting the small “®” into the mold.
For this purpose, the copper electrode for eroding was first produced using laser deep engraving and, after secero-eroding, the symbol was engraved directly into the mold insert with the laser.
Graphite electrodes are very suitable for deep laser engraving.
Direct deep engraving into a mold
This hot stamping stamp was laser cut from an aluminum block.
