滑块要用液压油缸抽芯以保证开合模顺序。
The slide pins will use an oil cylinder to assure that the process is in proper order.
介绍了液压油缸在注塑模具中常见的抽芯及顶出结构，并对选取油缸的计算方法和使用要点进行阐述。
The familiar structures of loose core and ejector of hydrocylinder in injection mold were introduced. The calculating method of selecting hydrocylinder and the key points in using it were discussed.
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