Screw machine - AbsoluteAstronomy.com

A screw machine may refer to a:

Screw machine (automatic lathe), a small- to medium-sized automatic lathe that is mechanically automated via cams
Screw machine (turning center), a small- to medium-sized turning center that is electronically automated via CNC
Turret lathe
Turret lathe
The turret lathe is a form of metalworking lathe that is used for repetitive production of duplicate parts, which by the nature of their cutting process are usually interchangeable...

, which are rarely called "screw machines" anymore

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