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Article: Running programs with direct numerical control.(CNC Tech Talk)
- Article from:
- Modern Machine Shop
- Article date:
- November 1, 2005
- Author:
CopyrightCOPYRIGHT 2005 Gardner Publications, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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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 you're running long programs on a regular basis, you should choose a CNC that is designed for ...
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