对呋喃树脂砂球墨铸铁件表层球化衰退原因进行了分析。
The reason causing nodularization degeneration in surface layer of furan resin sand nodular iron castings was analyzed.
对照本公司的实际经验，谈呋喃树脂砂铸钢件裂纹产生的机理及预防对策。
According to the actual experience of company and relative reference, the mechanism and preventive countermeasure of crack of steel casting are put forward.
采用金属型、呋喃树脂砂、石墨砂等复合铸型，成功生产了大型、薄壁、复杂铝合金铸件。
By adopting the compound mold of die mold, furan resin sand and graphite sand, the heavy duty thin wall complex Al-alloy castings have been successfully produced.
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