THE ball -turning devic e illustrated in the accompanying ... as to prevent the wheel from revolving upon the center pivot. A tool post was mounted on the worm wheel, and .n this the tool was ...

Closeup of ball rough-turning with Ingersoll AS20 SiN ceramic ... Accordingly, MOGAS flood cools everything during turning ---work piece, mandrel, tool and tool holder. They run the milling dry, but ...

there was a description of a method of machining ball and socket joints. The writer is of the opinion that the tools used in the method described would be apt to Device for turning balls to gage.