How to Grind Lathe Tool Cutter Bits

Bulletin No. 35. Modern Shop Practice for Grinding Lathe ToolCutter Bits. The cutting tool is one of the most important things to consider in the machining of metal in the lathe. In order to machine metal accurately and efficiently it is important that the cutter bit have a keen cutting edge, ground with correct clearance, rake, etc., for the particular kind of metal being machined, and that the cutter bit be set at the correct height. In this booklet the latest shop practice for grinding various types of lathe tool cutter bits is outlined. The methods shown are used in our own shop, where we operate 150 Back-Geared, Screw Cutting Lathes on all kinds of machine work.