Polishing the stainless steel back cover of a smart watch requires both the rough and fine polishing stages of the CMP process. Using Jizhi Electronics’ polishing slurry and pads in combination can achieve a perfect, flawless mirror finish.
The workpiece is made of stainless steel, with visible texture lines before polishing. The surface to be polished on the original part has a curved shape. Unlike common flat surface polishing, curved and arched surface polishing requires designing polishing pads with different groove specifications and combining different cushioning materials. The curved surface is treated with polishing slurries of different compositions to remove the oxide layer, contaminants, and scratches. For stainless steel polishing, aluminum oxide slurry is typically used for rough polishing to quickly remove surface impurities and stamping marks.
For the fine polishing of stainless steel, Jizhi Electronics’ silicon oxide slurry is used for mirror finishing. This process ensures the stainless steel curved surface is free from water ripple patterns, scratches, and abrasions, allowing it to clearly reflect the surrounding environment.
