Introduction to CNC Code - 1: Overview
CNC CAD/CAM Books
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Introduction to CNC Code - 1: Overview
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| WARNING: Machine tools present a safety hazard. Improper operation can result in severe injury. These topics are for non-laboratory study only and are not to be used in conjunction with the operation of any tool or machine described herein. Never use a machine tool without the supervision of a qualified instructor. | |||||||||||
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| Computer Numerical Control (CNC) is the process of having a machine controller manage the operation of a machine. This would include the table motions, the spindle speed, and various other machining functions. This is all accomplished by a program that is written using NC code. These coded instructions are carefully arranged by using letters (A,B,C,....Z), numbers (1,2,3...9) and symbols(+,-,/...etc.) to create a program. These instructions can range from a few lines for a simple part to many thousand of lines for a complex part. If the cumulative instructions (program) are written correctly it will provide specific guidance on exactly what functions you want the machine to perform, resulting in the production of a quality part. On the other hand, a poorly written program can have disastrous results... scraping parts, destroying tools, and possibly damaging the machine. In extreme cases the operator's own personal safety may be in jeopardy. | |||||||||||
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CNC CAD/CAM Books
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| Before continuing the student may wish to get a glossary definition of CNC and NC just to make things more clear when the two terms are used. R.S. | |||||||||||