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High-chromium Cast Ball Heat Treatment Process Research (2)
/in Grinding media balls, Heat Treatment Process /by Sara WuHeat treatment process: It is difficult to quench the wear resistant cast ball, mainly because the quenching requires martensite, and the cooling rate must be higher than the critical cooling rate (VK). During quenching, how can martensite be obtained and the effect of stress reduced? This is a major problem in the quenching process. To […]
High-chromium Cast Ball Heat Treatment Process Research (1)
/in Grinding media balls, Heat Treatment Process /by Sara WuDang Jun-peng (Aluminium corporation of China zhongzhou branch, Jiaozuo 454174, China) Abstract： High chromium cast iron is considered to be the best of the anti-wear properties and has a good toughness of the material, So in this cast iron abroad used widely. For years the ball from high chromium cast in the research and production […]
Solidification numerical simulation and process optimization of Dia120mm wear resistant casting ball (3)
/in Grinding media balls /by Sara WuThe die core parameters and a sprue of the optimized process are shown in figures 8 and 9. The variation of the parameters of the ball casting’s specific position and the yield rate of the ball casting before and after the scheme is shown in Table 1. It can be seen from Table 1 that […]
Solidification numerical simulation and process optimization of Dia120mm wear resistant casting ball (2)
/in Grinding media balls /by Sara WuThe software is used to calculate the temperature field of the casting solidification process. Finally, the result of the temperature field is displayed by the post-processing module. The casting temperature during solidification 240s, 780s, 840s, and 900s is selected, as shown in Fig. 6. The casting material is nodular graphite, the casting iron, the liquidus […]
Solidification numerical simulation and process optimization of Dia120mm wear resistant casting grinding ball (1）
/in Grinding media balls /by Sara WuAbstract: Based on the original process, the simulation software developed by Visual C++ development tool has been adopted to numerically simulate the solidification process of φ120 wear- resistant casting ball. By considering the numerical simulation results and theoretical analysis, in combination with actual production process optimization, the suitable process scheme has been finally obtained. The […]