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我厂使用半永久性铸型铸造钢锭,每个铸型平均能使用80至100次,个别达130次以上;劳动生产率比普通砂型铸造提高1.2倍;铸件质量也由普通砂型铸造的平均成品率90~95%提高至98%以上;工人的劳动条件也得到了极大的改善.
I use semi-permanent cast steel casting plant ingot, the average of each mold can be used 80 to 100 times, up to 130 individual times or more; labor productivity than ordinary sand casting increased 1.2 times; casting quality by ordinary sand casting the average yield of 90 ~ 95% to over 98%; workers’ working conditions have also been greatly improved.