依据流动平衡原则，根据流场速度分布探讨了部分关键尺寸的确定。针对热塑性聚氨酯材料进行了异型管材机头的设计。
Some key dimensions were confirmed according to the flow balancing theory and the velocity distribution, and a profile-tube die was designed for thermal polyurethane.
对多型腔模具设计来说，为保证各型腔制件的件重、性能等质量指标均匀一致，必须对浇注系统进行平衡分析，以使浇注系统流动平衡，即各型腔在相同压力下同时充满。
In order to guarantee uniform product weight and performances, flow balance of the runner system must be considered and all the cavities can be filled simultaneously under the same pressure.
对多型腔模具设计来说，为保证各型腔制件的件重、性能等质量指标均匀一致，必须对浇注系统进行平衡分析，以使浇注系统流动平衡，即各型腔在相同压力下同时充满。
In order to guarantee uniform product weight and performances, flow balance of the runner system must be considered and all the cavities can be filled simultaneously under the same pressure.
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