Copper precision injection mold punch

General processing mold powder metallurgy,auto parts mold punch, precision injection mold punch , drawing die punch , precision metal stamping die punch , High-speed stamping die punch , powder metallurgy mold punch ,ferrite punch ,soft magnet mold punch ,  testing equipment must be very familiar with it! How to process these ultra- precision punch?  2.5D CMM Contourgraph These [...]