By analysing actual scene to hoist, this paper introduces automatic oil ejector. It can decrease wear and tear, raise using life of steel rope.
通过对提升机现场实际分析，制作了自动注油器，减小了钢丝绳的磨损，提高了钢丝绳的使用寿命。
The new technology of cross wedge rolling has been using in production of blank forming of oil ejector body. This article shows main design parameters about cross wedge rolling die.
介绍了一种楔横轧制坯—精密模锻成形喷油器壳体毛坯的新工艺，及楔横轧模具设计工艺参数的选取。
The same as knocking out, ejector back includes 2 steps. To protect the ejector oil jar, it should make a 1-3mm distance in the ending point of ejector back.
顶退包括两个过程与顶落的过程基本一致，顶退的终点应预留1-3cm的空间，以保护顶针油管不被顶坏。
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