The " chucker " part of the name comes from the fact that the workpieces are usually discrete blanks, held in a bin called a " magazine ", and each one takes a turn at being centers ( for example, the Fay automatic lathe ).
22.
In 1937 Roe, writing for the American Society of Mechanical Engineers, framed the importance of the Fay automatic lathe to the capabilities of machine tools by saying that, " This machine does for the engine lathe what numerically controlled ( CNC ) machine tools such as turning centers, turn-mills, and rotary transfer machines have largely supplanted cam-operated automatics.
