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為了提高PCB板制作的效率，改變傳統的化學腐蝕制板工藝，使用機械仿形銑制作電路板的方法，設計了以ATMEGA16單片機為核心部件的PCB板雕刻機控制系統。其中包括PCB雕刻機的基本功能、主要硬件電路設計和軟件的實現流程，并給出了相關設計電路。重點分析了雕刻機步進電機的驅動電路以及主軸電機的驅動電路，該雕刻機經實際運行，系統工作良好，可有效提高PCB板的制作效率。
Abstract:
In order to improve the efficiency of production of PCB board and change the traditional chemical etching plates， using of mechanical copying milling method makes circuit boards，this paper introduces the PCB engraving machine control system used ATMEGA16 microcomputer as the core components. It includes basic function， the hardware circuit design and software realization process， and gives the corresponding circuit design.It analyses the drive circuit of engrawing machine stepper motor and spindle motor in detail. This engraving machine by practical operation， the system works well， which can effectively improve the production efficiency of PCB board.
