By adopting the automatic submerged arc welding process, the main plunger which surface has been worn out on the heavy duty hydraulic press has been successfully repaired.
用埋弧自动焊方法成功地修复了表面磨损的大型压机主柱塞。
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。
Specific analysis of developing prospect and application of clutch type spiral press with heavy duty (25mn or more) has been done to promote application spread in die forging process.
针对大吨位离合器式螺旋压力机(主要指吨位在25 MN以上的压力机)的开发前景及应用情况，作出了一些具体分析，以推动该类设备在模锻工艺上的广泛应用。
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