Lathe and drilling machine Unit 5 Lathe and drilling machine
Introduction Manufacturing process material removal – removal of extra material. assembling – joining of two components. Material removal can be in small scale or large scale small scale – fitting, craftwork etc large scale – industrial products.
Tool is a device used for material removal. Tools Machine tools Hand tools
Work is done by machines. Lathe Drilling Tapping Planning Milling Hand tools Manual work involved. Fitting tools Hacksaw Files Chisels craft tools Scissors blade Machine tools Work is done by machines. Lathe Drilling Tapping Planning Milling Grinding
Lathe A lathe is a machine tool generally used to produce circular objects where a cutting tool is fed against the rotating work piece to remove excess material.
classification Engine lathe. Speed lathe. Production lathe (Turret & capstan). Automatic lathe. CNC lathe.
Principle of work Turning machine works on principle that a cutting tool can remove material in the form of chips from rotating workpieces to produce circular object.