分析了建筑铝合金型材挤压筒内衬破裂和挤压筒前端面与模套密封处磨损的原因，提出了相应的预防措施。
The causes which aluminium alloy profiles extrusion container internal wall is broken and front seal wall damaged are analysed. The relevant prevention measures are given.
全注模的设计使计量表不能从密封条中移出，从而防止加注流体的流失。
Due to the all molded design, the gauge cannot be removed from the seal thus preventing loss of fill.
绝大部分的密封件产品，我们可以直接采取“在工作唇边不直接分型的方法以满足产品要求”，小部分不能直接采取的，加模芯来转换，使其工作唇边不直接分型。
For most of seals, we can directly adopt "not directly parting on working lip" to meet products' request, for a few of seals that we can't do so directly, we can add mould core to transform it.
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