Department of Chemical Engineering (Batch-12)

LATHE MACHINE

Made By:

Awais Sharif BEC-SP11-097

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

Lathe is a machine, which removes the metal from a piece of work to the required shape & size.

Lathe is forerunner of all machine tools.

Very versatile machine.

Used for turning, tapering, form turning, screw cutting, facing, drilling, boring, spinning, grinding and polishing operations

Safety Precautions

Be aware of safety requirements in any area of shopAlways attempt to observe safety rulesFailure results in:

• Serious injury• Resultant loss of time and pay• Loss of production to company

Always remove chips with brush• Chips can cause cuts if use hands• Chips become embedded if use cloths

Always remove sharp toolbit from toolholder when polishing, filing, cleaning, or making adjustmentsKeep floor around machine free from grease, oil, metal cuttings, tools and workpiecesNever attempt to stop a lathe chuck or driveplate by handBe sure chuck or faceplate mounted securely before startingDo not operate lathe until understand controlsNever operate machine if safety guards removed

References: References:

Book• work shop Technolgy by Hajra choudry• Advances in Manufacturing Technology C.J Thomas

Website• www. engbasics.com • www. efunda.com

Safety Note!! NEVER change speeds when lathe is running.

SUPERVISOR:Engr Ishfaq Hussain

INSTRUCTOR:Sir Muhammad Akmal

COMSATS INSTITUTE OF INFORMATION COMSATS INSTITUTE OF INFORMATION TECHNOLOGYTECHNOLOGY