World Academy of Science, Engineering and Technology 42 2008
Han Phyo Wai, Soe Sandar Aung, Jr., and Thidar Win
Abstract—The induction hardening machines are utilized in the industries which produce machine parts and tools needed to achieve high wear resistance. If they are constructed in local, the industries can utilize them commonly and easily. As the machines are designed and constructed in accordance with the desired products, the quality of products is higher and the products can be used efficiently. In the study of Design and Construction of Induction Hardening Machine, the design of work coil is presented. A small model induction
hardening machine is designed for the output power 5 kW and operation frequency 35 kHz. As the work coil is the heart of the machine, a good coil design reduces power requirement and causes good efficiency. The design of work coil that causes the most magnetic flux density in the work piece, the least power consumption
and develops desired heat during limited time is studied. It has been attempted to design the helical multi-turn type of work coil for any size of cylindrical shape of work piece with uniform surface. The design study is covered the changing of work piece size, the changing of work coil turns and the changing the applied frequencies.
hardening machine is designed for the output power 5 kW and operation frequency 35 kHz. As the work coil is the heart of the machine, a good coil design reduces power requirement and causes good efficiency. The design of work coil that causes the most magnetic flux density in the work piece, the least power consumption
and develops desired heat during limited time is studied. It has been attempted to design the helical multi-turn type of work coil for any size of cylindrical shape of work piece with uniform surface. The design study is covered the changing of work piece size, the changing of work coil turns and the changing the applied frequencies.
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