关键词: 数控, 现场总线, 现场可编程门阵列, 可重构

Abstract: Based on the study of open and reconfigurable Computerized Numerical Control (CNC), the CNC platform based on ARM and motion control chips was constructed, which improved the system integrity and stability, and realized the digitization with high speed and high precision in the production process. The CNC design based on Field Programmable Gate Array(FPGA) avoided resources waste so as to realize flexible manufacturing. After the analysis of the time performance of fieldbus, the fieldbus-based open CNC system was developed to solve the problem caused by the dense information interaction of CNC system in real-time and low reliable environment. Finally, the feasibility and the high efficiency of the method were verified through the applications in the machine tool CNC systems.

Key words: computerized numerical control, fieldbus, field programmable gate array, reconfigurable