Turning

What was wrong with that picture?

We have a “Engine Lathe”

So named because previously lathes were powered by foot treadle or driven by external power source (water wheel, stem engine)

Generally called Manual Lathe

Turning is

A machining operation where the work piece is rotated and the tool isn't

The tool is suitably formed for the particular operation

Tool Forms

Cutting Tool Geometry

Many factors determine tool shape:

Material Depth of cut Economics

Lathe construction

Six major parts: Headstock Bed Carriage Tailstock Quick change gear

box Stand

Todays operation

Facing Turning OD