采用金属型立式浇铸，严格控制铸造工艺参数(模具温度、浇注温度、浇注速度)，以避免气孔、缩松、冷隔等缺陷的产生。
By using metal mold casting, we can control mold temperature, infusing temperature, infusing speed to avoid defects of pore, cold partition, shrink and loose.
本文介绍了立式半连续铸造机速度阀控制系统的工作原理、阀位、速度控制方式和各种关键问题的解决方法。
This text introduces the operation principle, valve position, velocity control, and the solution for key problems of velocity valve's control system for vertical semi-continuous casting machine.
采用立式挤压铸造工艺，产品能以较高的质量、较低的成本满足使用要求。
The brake pump products of vertical squeeze casting were good in qualities and low in cost.
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