长久以来,板材就被普遍用来制造非承载的零部件和承载的零部件。由于板材制造工件,不仅加工容易,而且结构的应力大小也合适,因此,世界上每年板材的消耗量大。特别是出现了先进的加工工艺和设备、提高了加工精度和效率后,更加扩大了板材的应用范围。为了获得这些零件的内、外轮廓形状,直到几年前还是依靠单纯的机械方法(冲孔、步冲、铣削等)来完成的。在中、小批量的生产 For a long time, boards have been widely used to make non-load bearing parts and load bearing parts. As the sheet metal manufacturing parts, not only easy to process, but also the size of the structure of the appropriate stress, therefore, the world’s annual consumption of large plates. In particular, the emergence of advanced processing technology and equipment to improve the processing accuracy and efficiency, but also expanded the application of the plate. In order to obtain the inner and outer contour shapes of these parts, it was not until a few years ago that purely mechanical methods (punching, nibbling, milling, etc.) were used. In the small batch production