Fig. 6 – Photograph of copper rotor turned on the OD to expose the conductor bars. Trapped air bubbles are not seen in the bars but are clearly visible in the end ring.

Published 03/25/2025 at 643 × 783 in DEVELOPMENT OF THE COPPER MOTOR ROTOR – MANUFACTURING CONSIDERATIONS AND MOTOR TEST RESULTS

Fig. 6 - Photograph of copper rotor turned on the OD to expose the conductor bars. Trapped air bubbles are not seen in the bars but are clearly visible in the end ring.

Fig. 6 - Photograph of copper rotor turned on the OD to expose the conductor bars. Trapped air bubbles are not seen in the bars but are clearly visible in the end ring.