在载重汽车和拖拉机制造业中,主要大型模锻件常是曲轴、前梁和大齿轮等。这些锻件大多数要求在10t或16t模锻锤上模锻,或两台锤联合模锻,曲轴和整体模锻的前梁可能还需辊锻机制坯等。锻造前毛坯大多采 In truck and tractor manufacturing, the major forgings are often crankshafts, front beams, and large gears. Most of these forgings require forging on a 10t or 16t die forging hammer, or a combination of two hammers for die forging, crankshaft and front forgings for integral forging may also require roll forging blanks and the like. Forging rough mostly mining before