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1·A hydraulic lifter driven by pneumatic for quick die change in heavy -duty press was introduced.

介绍了一种用于大型压力机模具快速更换系统的气动液压举升装置。

2·The die structure combined advantages of the side core-pulling and lifter body.

着重介绍了模具的抽芯结构，并对抽芯力及斜导柱进行了核算。