The structure design and the calculation of the sizes, heating power, linear swell value of hot runner system were discussed in detail. A two-step demoulding mechanism was also introduced.
详细介绍热流道模具浇注系统结构设计和尺寸计算、热流道板加热功率计算、热流道板线膨胀量计算及在设计时应注意的一些问题，并介绍了一种二级脱模机构。
The structure design and the calculation of the sizes, heating power, linear swell value of hot runner system were discussed in detail. A two-step demoulding mechanism was also introduced.
详细介绍热流道模具浇注系统结构设计和尺寸计算、热流道板加热功率计算、热流道板线膨胀量计算及在设计时应注意的一些问题，并介绍了一种二级脱模机构。
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