Turning is machning that is generally conducted on a lathe. To make it easier to comprehend turning, imagine the machining of a baseball bat for example. The workpiece is held by both ends and rotated. Then a tool on a tool post or, if manual, held by hand is moved into the workpiece to carry out the machining.
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External turning:
Boring:
Other machining:
External turning
The cutting edge moves laterally in relation to the workpiece.
Copying
The cutting edge moves laterally in relation to the work but it can also move into and out of the work so as to generate slopes and curved surfaces.
Facing (infeed)
The cutting edge moves across the end face of the workpiece.
Facing (backfeed)
The cutting edge moves across the end face of the workpiece.
Facing (backfeed, copying)
The cutting edge moves across the end face of the workpiece.
Boring
The cutting edge moves laterally in relation to the workpiece.
Copying
The cutting edge moves laterally in relation to the work but it can also move into and out of the work so as to generate slopes and curved surfaces.
External threading
The threading cutting edge moves laterally along a workpiece and threads an external or internal thread into the faces of a workpiece. Usually, several passes are repeated to machine a complete thread.
Internal threading
The threading cutting edge moves laterally along a workpiece and threads an external or internal thread into the faces of a workpiece. Usually, several passes are repeated to machine a complete thread.
External grooving
The cutting edge moves perpendicular into the workpiece and generates a groove.
Internal grooving
The cutting edge moves perpendicular into the workpiece and generates a groove.
Face grooving
The cutting edge moves perpendicular into the workpiece and generates a groove.
Cutting off
The cutting edge moves perpendicular into the workpiece, all the way to the centre and as such cuts off a section of material.
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