The selection method of roll forging process parameters of middle tonnage automobile front axle and die design outline were stressed.
论述了中吨位汽车前轴辊锻成形工艺参数的确定方法和模具设计要点。
A formula for the calculation of die based on forging configuration is deduced by the analysis of engaging movement between roll die and forged workpiece, and the formula is verified experimentally.
通过对辊锻模具与锻件的啮合运动分析，推导出了由锻件轮廓方程确定模具型槽方程的理论公式，并通过试验对孩公式进行了验证。
The deformation and flow of metal in the process of roll forging are much different from those of ordinary die forging, So are the design of its technology, preliminary forming dies and dressing dies.
辊锻过程中金属变形及流动，与一般模锻工艺相比存在较大的差异，因而其工艺设计及初成形道次模具、整形模具设计也不同于常规模锻工艺。
The paper studies the comprehensive technical measures to prolong the life of the hot press roll forging die.
本文介绍了提高辊锻热成形模寿命的综合技术措施。
With the different working conditions, the life of hot press roll forging die is quiet different.
因工作条件的不同，辊锻模寿命相差也极为悬殊。
The technology of precision roll forging by closed die groove of machine driven plough share are researched systematically.
系统研究了机引犁铧闭式型槽精密辊锻技术。
The production process includes hammer die forging, pressure forging, roll forging forming, and precision rolling-die forging composite technology.
前轴是汽车中的大型重要锻件，其生产工艺可归纳为锤上模锻、热模锻压力机上模锻、成形辊锻、精辊-模锻复合工艺等几种类型。
Roll forgings. In roll forging, a bar stock, round or flat is placed between die rollers which reduces the cross-section and increases the length to form parts such as axles, leaf springs etc.
在滚锻时，圆的或是扁平的棒料放在模辊之间缩小横截面增加长度制成诸如轮轴、板簧之类的零件。
Roll forgings. In roll forging, a bar stock, round or flat is placed between die rollers which reduces the cross-section and increases the length to form parts such as axles, leaf springs etc.
在滚锻时，圆的或是扁平的棒料放在模辊之间缩小横截面增加长度制成诸如轮轴、板簧之类的零件。
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