Published 08/30/2021 at 478 × 454 in Use Of High Temperature Die Material & Hot Dies For High Pressure Die Casting Pure Copper & Copper Alloys Fig. 13 – Cross-section of rotor for 3-phase motor showing copper fi lling the conductor bar shots. Fig. 13 – Cross-section of rotor for 3-phase motor showing copper fi lling the conductor bar shots. No tags for this post.