Since the birth of the world's first CNC machine tool in 1952, the development of CNC technology has been very rapid, and the CNC system has also evolved from the original hard-joined CNC to today's computer numerical control (CNC). However, the modern production has higher and higher requirements for the CNC. The incompatibility between the systems, the difficulty of programming, and the low degree of intelligence have greatly limited the development of modern production and numerical control technology itself. At the same time, people gradually realized that the G and M codes (ISO 6983) that CNC systems have been using have not been able to meet the needs of modern production and technological development. This NC program for motion and switch control limits the openness and intelligent development of the CNC system, and also creates a bottleneck between the CNC and CAX technology, which seriously hinders the development of the machinery manufacturing industry.
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