The effect of the technology and equipment, such as the structure and dimension of die plates, the extrusion conditions and so on, on the die swell and shrinkage of tread extrudate was described.
阐明影响挤出胎面膨胀和收缩的主要工艺及设备因素是口型板的结构和尺寸、挤出条件以及设备。
At last, a reasonable ladle linings structure which attain the goal of improving the ladle service life was put forward by changing the lining structure and considering the fact about swell gap.
通过改变钢包内衬结构并结合内衬砖膨胀缝等因素提出合理的钢包内衬设计方案，达到提高钢包的使用寿命的目的。
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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