Instructional

This is the last article in Mikey’s series about grinding lathe tool bits.  In part 1 he discussed his experiences with grinding bits, why he uses a belt sander instead of a bench grinder and introduced some terminology about tool bit shapes and angles. In part 2 he covered tip geometry and tool shapes in more depth. … Read the rest

Using tip geometry

Here is a table that presents the table angles we need to set when we grind standard lathe tools.  Note that the headings at the top of each column eliminate the word “angle” after each heading but otherwise matches the diagram above.  The front relief (angle) in the table is the same as the end relief angle in the diagram above. … Read the rest