Abstract
This work is related to the kinetic modelling of mechanical milling. Many attempts have been made to simulate the kinetics of the milling process regarding ball velocity, friction force, and kinetic energy transferred during milling. The goal of this project is to fabricate a planetary ball mill jar and to defined the optimum parameter of planetary ball mill jar for milling processes by utilizing finite element analysis. By improving the design of the cylindrical jar with adding poles inside the jar, the graph shows that the kinetic energy becomes stable and is maintained. This happens because of the ball mill always bounces inside the jar reflection of the pole and the jar rotating on planetary gear while the jar design without pole only bounces because of jar rotation on the planetary gear. From the observation, the result, the cylindrical jar design without pole lost the kinetic energy because it only depends on the torque of the rotation jar on the planetary gear of the ball mill machine. The milling process takes 4 h, and the speed of the cylindrical ball mill jar with the pole is 250 rpm. The other parameter that have been utilized in this analysis is 100-g raw carbon, 4 pieces of steel balls with the diameter of 24 mm, and six-piece steel ball with the diameter of 19 mm. The particle has been measured by utilizing a telescopic microscope. The size reduction of the powder particles for a jar with pole and jar without pole is 69%.
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References
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Acknowledgements
All the experiment and analysis conducted by System Engineering and Energy Laboratory, Universiti Kuala Lumpur, Malaysian Spanish Institute, Kulim Kedah, Malaysia.
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Abu Bakar, M.H., Ahmad-Fauzi, AF., Maskuri, N.L. (2019). Kinetic Modelling of a Particle Grinding Process in a Planetary Ball Mill Jar. In: Ismail, A., Abu Bakar, M., Öchsner, A. (eds) Advanced Engineering for Processes and Technologies. Advanced Structured Materials, vol 102. Springer, Cham. https://doi.org/10.1007/978-3-030-05621-6_16
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DOI: https://doi.org/10.1007/978-3-030-05621-6_16
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