分析了录音机芯飞轮压铸模的原设计失败的原因，重新设计了用于冷室压铸机的中心浇口、浮动分流的压铸模。

A new die-casting die fit on cold chamber die casting machine was redesigned in the part of the center gate and floating flow-distribution.

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选择中心浇口可以降低注射压力，但是采用测面浇口的注射坯比采用中心浇口的注射坯件温度和压力分布都要均匀。

But the green parts have a more even distribution of temperature and pressure by lateral gate than by central gate.

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绝大部分汽车蓄电池板栅尺需要在顶部浇口部分和模具的中心冷却就可以。

On most automotive battery grids, cooling is required in the top gate area and in the center of the mold only.

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