In bulk deformation processes such as forging, rolling, extrusion, and wire drawing there is an intentional change in the thickness or the lateral dimension of the workpiece.
大部分的变形过程如：锻造，轧制，挤压和拉丝都有同样的过程就是有意使工件的厚度或外部尺寸发生变化。
After forging the forging process, there are many subsequent metalworking techniques that enhance the function and durability of the workpiece.
锻造后，锻造过程中，有许多后来的金属加工技术，增强功能性和耐用性的工件。
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。
For casting, forging and machining pressure, every production of a specific shape of the workpiece, even a spare parts, almost have to spend the high cost of processing.
对于铸造、锻造和压力加工，每一个要生产的具体工件形状，即使是一个零件，几乎都要花费高额的加工费用。
For casting, forging and machining pressure, every production of a specific shape of the workpiece, even a spare parts, almost have to spend the high cost of processing.
对于铸造、锻造和压力加工，每一个要生产的具体工件形状，即使是一个零件，几乎都要花费高额的加工费用。
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