CHAPTER II

LATHE TURNING TOOLS AND CUTTING SPEEDS

Turning Tools for General Work--Tool-holders with Inserted

Cutters--The Position of Turning Tools--Tool Grinding--Shape or

Contour of Cutting Edge--Direction of Top Slope for Turning

Tools--Clearance for the Cutting Edge--Angle of Tool-point and

Amount of Top Slope--Grinding a Lathe Tool--Cutting Speeds and

Feeds--Average Cutting Speeds for Turning--Factors which Limit

the Cutting Speed--Rules for Calculating Cutting Speeds--Feed of

Tool and Depth of Cut--Effect of Lubricant on Cutting

Speed--Lubricants Used for Turning--Lard Oil as a Cutting

Lubricant 54-79

Turning and Boring A specialized treatise for machinists, students in the industrial and engineering schools, and apprentices, on turning and boring methods, including modern practice with engine lathes, turret lathes, vertical and horizontal boring machines · 第 2 / 10 章