Lapping & Polishing Stainless Steel - Case Study Test Requirements: To produce a mirror polish on Stainless Steel components using as clean a process as possible, and creating a ?atness of <0.01mm Component/Material: 30 Stainless Steel samples Machine Type: Kemet 24 lapping machine Stage 1: We have used a Kemet Copper / diamond slurry combination as the lapping stage because this will be a much cleaner method than using conventional abrasives and oil. This produces an even re?ective ?nish ?at to 1 LB (0.00029mm). Stage 2: The silk polishing stage removes the trace scratches form stage 1 and results in a mirror polish. As a pad is used for the stage, some roll-o? is created at the edges of the component meaning the ?nal ?atness is around 3 LB (0.001mm). This is still well within the 0.01mm

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