oxtoolco | Making flat lapping plates 1 @oxtoolco | Uploaded 7 years ago | Updated 22 hours ago
In this video we start on three serrated cast iron lapping plates. We will use the classic Whitworth three plate method to generate true flat planes for our new lapping plates. These plates are cast iron bar purchased from McMaster Carr. We discuss several methods for cutting the serrations in the plates.
Wikipedia article on lapping. en.wikipedia.org/wiki/Lapping