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Wuxi Orient Anti-wear Engineering Co.
China Manufacturer with main products: Iron and Steel |
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Specifications
1. Specification available: Grinding balls: φ130,φ110,φ100,φ90,φ80,φ70,φ60,φ50,φ40,φ30,φ20, φ10 Grinding cylpebs: φ25?0, φ20?5, φ15?0, φ12?6 2. General mechanical property: Materials Hardness Impact value Wear in Cement mills (g/mt) Application Field High Cr Cast Iron ≥HRc60 ≥4J 40-60 The dry-grinding process in Cement works, power plants Low Cr Cast Iron ≥HRc46 ≥3J ≤130 The dry-grinding process in Cement works, power plants Martensite Ductie Iron Above φ60mm ≥HRc55 ≥8J The relative wear is 80% of Low Cr cast balls ① The wet-grinding process in mines Below φ60mm ≥HRc58 ≥8J Notes: ① Due to different hardness values of different ores and different PH values in millrun process, the wear of Martensite ductile iron grinding balls varies. So we just draw such a conclusion. 3. Molding and melting processes Molding process: The manufacture of grinding balls adopts metal dies; the manufacture of liners adopts sand moulds. Melting process: A. We produce high Cr, Cr-Mo alloyed steel by electric furnaces. B. We produce Martensite ductile iron and low Cr cast iron by the duplex process of mid-frequency induction furnaces and copulas. 4. Quality Control A. Chemical Composition: By the chemical analysis of molten iron before pouring; and by sampling the finished castings B. Mechanical property: By sampling of finished products and testing its hardness and impact value 5. Shipment Packaged by special Nylon bags weighing about 1MT or in strong steel drums weighing about 900Kgs. Shipped from Shanghai Port, which is one of the largest international ports in China. 6. The Combined Self-fastened (Boltless) Ball Mill Liners have been widely used in the ball mills with aboutφ4m in China. Such a new-designed liner has become the only recommended liner in the latest industry standard in Chinese Electric Industry. For Martensite ductile iron boltless liners, the service life is 1.5 times of high Mn steel liners in iron ore and copper ore. Also, there’s almost free maintenance during service period. 7. We also can manufacture any metal liners and grinding balls as per the requirements of customers.
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