The fine surface quality and dimensional accuracy cast hot work die was obtained by special sand V method casting technique.
采用特种砂v法铸造工艺获得了良好表面精度和尺寸精度的铸造模具。
It was found that the wear-resistant trough cast with EPC process was of high dimension accuracy, good surface quality, dense structure, and its working life could be increased by more than50%.
发现，采用消失模铸造耐磨槽铸件，尺寸精度高，表面质量好，组织致密，使用寿命可提高50%以上。
The slab caster machine head is the most decisive caster section which has an influence on the surface quality of the cast strand.
板坯连铸机机头是对铸坯表面质量有决定性影响的因素。
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