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由中国农机院承担的机械工业技术发展基金资助项目──模具表面强化与补焊修复成套技术日前通过技术鉴定。它研究了铝合金压铸模具、注塑模具和锌基合金模具等模具的氩弧焊（ＴＩＧ）补焊和电火花（ESD）表面强化技术。研制出铝合金压铸模和往塑模具修复的专用ＴＩＧ焊丝DＺ－
By the Chinese Academy of Agricultural Machinery Machinery Industry Technology Development Fund funded project ─ ─ mold surface hardening and repairing the complete set of technology has passed the technical appraisal. It studied TIG welding and electric discharge (ESD) surface hardening techniques for aluminum alloy die-casting molds, injection molds, and zinc-based alloy molds. Developed aluminum alloy die-casting mold and to the plastic mold repair TIG special wire DZ-