Research on the Temperature Changes of 20CrNiMoH Steel during Turning Process

Abstract:

Material cutting properties can be judged by turning temperature and chip shape. A new method that can measure turning temperature more accurately was discussed in this paper. Compared with the traditional method, results show that turning temperature can be accurately measured through a new method in turning process. Turning temperature become stable and will not jump after 20s later. In addition, the higher the hardness, the higher the energy is needed, leading to the higher turning temperature. The average turning temperature of the quenched specimen, normalized specimen and annealed specimen measured through the new method is 100°C,70°Cand 60°C, respectively. And the chip morphologies of quenched specimen, normalized specimen and annealed specimen are irregular band chips, spiral debris chips and C-shaped chips, respectively.

• Periodical: Advanced Materials Research (Volumes 1120-1121)
• Pages: 1226-1232
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1120-1121.1226
• Online since: July 2015
• Authors: Zhen Ming Lin*, Jing Li, Man Jin, Heng Hua Zhang
• Keywords: 20CrNiMoH Steel, Chip Shape, Cutting Performance, Turning Temperature

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