Friday, September 22, 2017
Friday, September 22, 2017
Metal back cover need to go through 12 major processes: DDG → CNC open rough → T treatment → PMH injection → CNC finishing → polishing → sandblasting (drawing, spraying) → an anode → C angle high light → secondary anode → anode polished → assembly
DDG (double end high speed grinding)
DDG ...
Metal back cover need to go through 12 major processes: DDG → CNC open rough → T treatment → PMH injection → CNC finishing → polishing → sandbla...