铝合金压铸模具在制造及使用中常因各种原因而需用焊接修补或修复，这已得到大量应用。并经实践证明：铝合金压铸模具的焊接修复具有巨大的经济效益。这里介绍中国农机研究院引进的瑞士卡斯特林公司的焊接设备、材料和工艺，详细分析了影响焊接质量的因素、焊接对模具母材的影响以及焊接修复所取得的效果。 Aluminum alloy die-casting mold in the manufacture and use of often due to various reasons need to use welding repair or repair, which has been widely used. And proved by practice: Aluminum die-casting mold welding repair with great economic benefits. The introduction of China Agricultural Machinery Research Institute of the introduction of CASTELIN Switzerland welding equipment, materials and technology, a detailed analysis of the factors that affect the quality of welding, the impact of welding on the base metal and welding repair achieved results.