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锻造毛坯的预成形是很关键的。若在较廉价的预成形设备上预锻并进行合理的体积分配,使之尽可能接近最终的锻件形状,就可降低生产成本。由于用户对锻件的成形和尺寸精室要求越来越高(如要求板小草锻模斜度),在锻造
Forging preforming is critical. Lower production costs can be achieved by pre-forging on a cheaper preforming equipment and performing a reasonable volumetric distribution as close to the final forgings as possible. As the user forging the forming and size of the chamber more and more demanding (such as the requirements of the board grass forging mold slope), forging