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机械工业部重型矿山局和中国有色金属工业总公司于五月二十六日至二十九日,邀请全国有关大专院校、研究院所、冶金工厂和机器制造厂等二十六个单位共七十五名代表,在洛阳召开了φ500静-动压油膜轴承工业试验鉴定会。该项目是太原重型机器厂、太原矿山机器厂等四部八个单位协作攻关,首次研制成功的。洛阳铜加工厂φ660×1000二辊可逆冷轧机,是轧线上的关键没备。该轧机原为纯动压轴承,随着轧机轧制品种的扩大,经常在超载一倍的情况下工作,轴承平均使用寿命只有1~2个月,
The Heavy Mines Bureau of the Ministry of Machinery Industry and China Nonferrous Metals Industry Corporation invited 26 units including tertiary institutions, research institutes, metallurgical factories and machinery manufacturing plants across the country from May 26 to 29 Seventy-five representatives held a φ500 static-dynamic pressure oil film bearing industrial test appraisal meeting in Luoyang. The project is Taiyuan Heavy Machinery Factory, Taiyuan Mining Machinery Factory four eight units collaborative research, the first successful development. Luoyang Copper Processing Factory φ660 × 1000 two-roll reversible cold rolling mill, the key is not prepared on the rolling line. The mill was originally pure hydrodynamic bearings, rolling mill with the expansion of varieties, often in the case of double overload, the average bearing life of only 1 to 2 months,