21-07-2012, 02:43 PM
Lathe Practice
lathe.ppt (Size: 1.77 MB / Downloads: 350)
Introduction
Lathe is a machine, which removes the metal from a piece of work to the required shape &size
Types of Lathe
Engine Lathe
The most common form of lathe, motor driven and comes in large variety of sizes and shapes.
Bench Lathe
A bench top model usually of low power used to make precision machine small work pieces.
Tracer Lathe
a lathe that has the ability to follow a template to copy a shape or contour.
Lathe Operations
Turning:produce straight, conical, curved, or grooved workpieces
Facing: to produce a flat surface at the end of the part or for making face grooves.
Boring: to enlarge a hole or cylindrical cavity made by a previous process or to produce circular internal grooves.
Drilling: to produce a hole by fixing a drill in the tailstock
Threading: to produce external or internal threads
Knurling: to produce a regularly shaped roughness on cylindrical surfaces