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冶金部钢铁研究总院自1984年以来,与上海钢管厂、江苏宜兴金属耐磨耐蚀涂层厂合作,开展新型涂层组合材料穿管机顶头的研制工作,并由宜兴金属耐磨耐蚀涂层厂生产出“金鼎牌”TZ—76型涂组顶头。经用户试用,该顶头可提高穿孔机的生产效率。1986年9月下旬,冶金部在江苏宜兴对该科研成果与产品进行了技术鉴定。
Since 1984, the Steel Research Institute of the Ministry of Metallurgy has been cooperating with Shanghai Steel Tube Factory and Jiangsu Yixing metal wear-resisting and corrosion-resistant coating plant to develop the new type of coating composite material pipe jacking machine head and is made of Yixing metal wear- Coating plant to produce a “Jinding card” TZ-76-type coated head. Trial by the user, the head can improve the production efficiency of the piercing machine. In late September 1986, the Ministry of Metallurgy conducted a technical appraisal of the scientific research achievements and products in Yixing, Jiangsu Province.