厚实床身的铸造工艺

Foundry Method of A Press Bed Casting with Heavy Section

床身是锻压机床上的重要零件,系大断面厚实铸件。生产中因铸件较厚实易产生缩孔、缩松等缺陷。通过拼型组芯造型、利用浇注系统补缩、采取低温慢浇和充分补浇等工艺措施,保证了床身铸件的质量。

The shrinkage porosity and cavity are the defects which frequently take place with the press bed castings due to their heavy sections.By using cores assembly mould with vertical parting line,feeding with gating system,low pouring temperature,slowly pouring and fully metal-refilling,the bed casting has been produced with satisfied quality.