A Study on the Heating Method and Implementation of a Shrink-Fit Tool Holder

Xiushan Wu, Can Li, Sian Sun, Renyuan Tong and Qing Li
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Xiushan Wu: School of Electrical Engineering, Zhejiang University of Water Resources and Electric Power, Hangzhou 310018, China
Can Li: College of Mechanical and Electrical Engineering, China Jiliang University, Hangzhou 310018, China
Sian Sun: School of Electrical Engineering, Zhejiang University of Water Resources and Electric Power, Hangzhou 310018, China
Renyuan Tong: College of Mechanical and Electrical Engineering, China Jiliang University, Hangzhou 310018, China
Qing Li: College of Mechanical and Electrical Engineering, China Jiliang University, Hangzhou 310018, China

Energies, 2019, vol. 12, issue 18, 1-17

Abstract: A novel induction heating coil is proposed and designed as a shrink-fit tool holder. An electromagnetic field analysis of the coil with different winding methods is conducted using the ANSYS finite element analysis software and an appropriate coil structure is determined, based on the simulated electromagnetic field distribution cloud maps. The magnetic field in the X–Y plane is increased by one order of magnitude around the surface with the addition of the designed magnetic slot, as well as improving the magnetic leakage. The electromagnetic field strength in the middle of the coil is greatly increased, up to 2.312 × 10 4 A/m, by the addition of a designed magnetic ring covering the top of the coil. The distribution of the three-dimensional temperature field is obtained by the ANSYS workbench transient thermal analysis software, based on the selected coil. Hot-loading equipment used for shrink-fit tool holders are implemented with diameter-selection, power, and heating time-setting functions. Experiments on different types of tool holders are carried out to obtain optimal heating parameters and to verify the reliability of the implemented heating equipment. Through experimental testing, the inserting and pulling out temperature is found to be about 270 °C for the BT40-SF06 and about 285 °C for the BT40-SF10. According to the experimental results, the simulated temperature field is in good agreement with the measured result. The optimal heating parameters of the heating equipment are determined, which proves the correctness of the heating method of the shrink-fit tool holder.

Keywords: shrink-fit tool holder; induction heating; ANSYS; coil (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
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