Correcting a Convex or Concave Lapping Plate on a Kemet Diamond Lapping Machine 

www.kemet.co.u... - If a lapping plate is not flat, the parts lapped on it will not be flat. Maintaining plate flatness is essential. This video shows how to correct a Convex or Concave Lapping Plate on a Kemet Lapping Machine by moving the conditioning rings and using Kemox abrasive suspension.