模锻车间一般根据锻件的重量和长度将工艺方法分为3类。锻件重的、长度又较长的采用单件坯料模锻;锻件轻的、长度又较短的可采用一件坯料多件锻件且在锤上切断的方法生产(或多模膛调头锻);而重量及长度介于两者之间的锻件可采用调头锻方法。布留哈诺夫、烈别尔斯基《模锻及模具设计》一书中给出了调头模锻适用范围曲线图(图1)。图中曲线a表示一件坯料锻几件锻件,并且在切刀上切断;6表示一件坯 Forging workshop generally based on forging the weight and length of the process is divided into three categories. Forging heavy, long and long use of a single piece of die forging; forgings of light, shorter length and can be used for more than one blank forgings and cut off in the hammer production (or multi-die forging); Forging between the weight and length can be adjusted by hand forging method. Brouchhanov, Rieterschsch, “die forging and die design,” a book gives the application of adjustable die forging curve (Figure 1). The curve a in the figure shows a blank forging a few forgings and cutting on the cutter; 6 a blank