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Heat treatment equipment for nodular cast iron grinding ball

According to the characteristics of Si Mn alloyed ductile iron grinding ball, the heat treatment equipment should have the characteristics of high cost performance and low production cost. After years of efforts, we have developed automatic heat treatment line and grinding ball water-based heat treatment production line system. The...

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Characteristics and teaching of sand casting process

Casting is an important teaching module of metalworking practice course. Its teaching content is composed of sand casting, lost foam casting and 3D precision casting. Due to the limited internship time, there is only one day for practical study of sand casting. The original practice content of sand casting...

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Si-Mn alloy ductile iron grinding ball

In order to overcome the shortcomings in the traditional production of ADI grinding balls, it is necessary to find cheap alloy combinations from materials to replace Mo, Cu and other precious alloy elements. Through years of practice, research and improvement, the production of nodular cast iron grinding balls with...

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High chromium cast iron grinding ball

High chromium white cast iron is selected as the grinding ball of high chromium cast iron, and the mass fraction of chromium is generally 10%~13%. Most of them adopt the production process of iron mould sand coating, and carry out oil quenching+tempering heat treatment process. After adding chromium to...

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Low chromium cast iron grinding ball

Low chromium white cast iron is used as the grinding ball of low chromium cast iron. The chromium content is generally 1%~3%, and the iron mold casting process is generally used. Low chromium cast iron grinding ball is relatively cheap because of its simple production process, low alloy content,...

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