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Centre Lathe
The Centre lathe is used to machine cylinderical and conical shaped components and the process is called Turning. A lathe can perform a variety of operations including:-
Facing:- The cutter moves at right angles to the axis and produces a flat face. There are high tangential and radial forces.
Surfacing:- The cutter moves parallel with the axis and produces a cylinderical shape.There are high tangential and axial forces.
Parting-off:- A thin cutting tool moves straight towards the centre. There are high tangential and radial forces.
Boring:- This produces an accurate internal hole in the work and uses a boring bar with a cutting tool attached.
Taper Turning:- The cutting tool moves at an angle to work axis and produces any desired angle.
Knurling:- The serated wheels of a knurling tool are pressed into the work giving a knurled surface for grip.
Drilling:- A drill bit is held in the tailstock and drills a hole in line with the axis.
During machining the cutting tool is subjected to severe forces. These forces can be reduced by altering the tool angles, feed rate or by the application of a suitable cutting fluid and coolant.
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Paddy Keays Engineering Teacher |
Cresent College Comprehensive Limerick Ireland |
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Last updated April 14th 2005. |
Comments to:- email paddykeays@eircom.net |