There are three main types — table, planer and floor.
Typically there are three linear axes in which the tool head and part move.
Modern machines use advanced computer numerical control (CNC) systems and techniques.
Charles DeVlieg entered the Machine Tool Hall of Fame for his work upon a highly precise model, which he called a JIGMIL.
The accuracy of this machine convinced the United States Air Force to accept John Parson's idea for numerically controlled machine tools.