After the new year holidays of 2022, Hexin company started to the busy packaging, loading, and exporting things. An African client orders this automatic casting grinding balls production line in 2021. After 5 months of production, Hexin company delivered on time and passed the client’s factory checking, winning praise & trusty from the customer.
The cast ball is the grinding medium widely used in ball mill, and its quality greatly influences grinding efficiency. The cast ball of dia120 in our country is generally formed by casting with metal mould with multi-cavity. The surface of the cast ball has a chilling layer and good comprehensive mechanical properties.
Recently, after almost one year of discussing with each other, South Africa company Business Venture Investments 2121 (Pty) Ltd. signed the contract with us for purchasing automatic casting grinding balls production line and sand coating and recycling plant.
1) The mechanical properties and anti-fatigue, and impact properties of the white cast grinding balls are up to the expected values. The hardness distribution is shown in Fig. 1. The ball’s microstructure after as-cast and sub-temperature treatment is as shown in fig. 2 and Fig. 3.