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新产品S2812型移动式双臂树脂砂混砂装置(生产率12吨/时),于1983年7月19日在沈阳通过鉴定。样机系由机械工业部济南铸造锻压机械研究所设计、重庆铸造机械厂试制,并在沈阳第一机床厂经过了三个半月的生产验证,连续混制树脂型砂1600多吨,生产效果良好。鉴定认为:①样机技术文件基本齐全。质量较好,加工和装配精度符合设计要求。混砂
New product S2812 mobile arms sand resin sand mixing device (productivity 12 tons / h), in July 19, 1983 in Shenyang passed the appraisal. The prototype was designed by Jinan Foundry Forging Machinery Research Institute under the Ministry of Machinery Industry and was trial-produced by Chongqing Foundry Machinery Factory. After three and a half months’ production verification at No. 1 Machine Tool Plant in Shenyang, it produced 1,600 tons of resin sand in succession and produced good results. Identification that: ① basic prototype complete technical documents. Better quality, processing and assembly accuracy in line with design requirements. Mixed sand