使用电加工设备和计算机技术制造模具和零件的高效工艺已研制成功并加以推广应用。这种工艺可保证零件的高精度和高质量,模具寿命和加工过程的生产效率。此工艺的基础是利用工具电极低温等离子体放电加工金属的原理。精冲工艺作为经济的工艺过程愈来愈广泛用于板材冲压加工,它能创造尺寸形状精确,并带有镜面般断面的零件(精度0.05mm,粗糙度Ra=0.63μm)。精冲加工可制造带有基 Efficient processes for the manufacture of molds and parts using electrical processing equipment and computer technology have been developed and are being promoted. This kind of craft can guarantee the high precision and high quality of parts, the life of the mold and the production efficiency of the processing course. The basis of this process is the use of tool electrode low temperature plasma discharge metal processing principles. Fine-blanking technology is increasingly used as a cost-effective process for sheet metal stamping. It creates parts with precise dimensions and mirror-like cross-sections (accuracy 0.05 mm, roughness Ra = 0.63 μm). Fine blanking can be made with base