AUPAL portal frame CNC flame precise rack cutting machine is specially designed for processing large racks, once running of the machine can cut several pcs high-precision racks, and it can once achieve the finished product cutting without any extra processing. The machine can replace the same product imported, and also it saves big amount foreign exchange for China's sea oil drilling platform leg project. This machine fills domestic gap and it's the first field profession equipment in China. Mechanical processing of the machine adopts large CNC processing center precise processing, its transmission parts adopt Germany import beeline rail and 6 level high precision gear and rack, which ensures machine runs in high precision. Control part of the machine adopts combination both import customized CNC and our own multi-axis control system. Each moving unit equips with imported AC. servo driving system and it realizes multi-axis linkage controlling. The promotion of this professional equipment will greatly improves international competition of China's sea oil exploitation engineering equipment.