Three modeling methods and NC auto programming based on shape characteristics of cavity of rolling forging die are discussed.
根据滚压模型腔的形状特点，介绍了三种不同的建模方法以及数控加工自动编程过程。
2
Before EDM wire cutting die points of non_straight and non_arc lines, an arc for fitting the curve of the die point is necessary so as to calculate wire_cutting programming data.