Running programs with direct numerical control.(CNC Tech Talk)

Modern Machine Shop | November 1, 2005| | Copyright

When programs are too long to fit within a CNC control's memory, one alternative is to use a direct numerical control system. This kind of system is called a DNC system, but must not be confused with a distributive numerical control system (also called a DNC system) that simply transfers programs to and from the CNC machine. With a direct numerical control system, the program will be run from a device (commonly a PC) connected to the machine's communications port (the RS-232c port).

Frankly speaking, direct numerical control should only be used as a last resort. If ...

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