Influence of Matrix Temperature State on Surface Quality During Interactive Additive and Subtractive Manufacturing

Gao Mengqiu; Zhao Yuhui; Zhao Jibin; Wang Zhiguo; Wang Zhiyong; Sun Libo

doi:10.3788/CJL202047.0802011

Chinese Journal of Lasers, Volume. 47, Issue 8, 802011(2020)

Influence of Matrix Temperature State on Surface Quality During Interactive Additive and Subtractive Manufacturing

Gao Mengqiu^1,2,3,4, Zhao Yuhui^1,2,3, Zhao Jibin^1,2,3、*, Wang Zhiguo^1,2,3, Wang Zhiyong^1,2,3,5, and Sun Libo^1,2,3,6

Author Affiliations

¹Key Laboratory of Networked Control Systems, Chinese Academy of Sciences, Shenyang, Liaoning 110016, China

²Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, Liaoning 110016, China

³Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences,Shenyang, Liaoning 110169, China

⁴University of Chinese Academy of Sciences, Beijing 100049, China

⁵College of Mechanical Engineering and Automation, Northeastern University, Shenyang, Liaoning 110819, China

⁶College of Material Science and Engineering, Shenyang University of Technology, Shenyang, Liaoning 110870, China

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Figures & Tables(10)

Fig. 1. Schematic of experimental process. (a) Additive manufacturing; (b) subtractive process; (c) surface test position; (d) sampling position of metallographic sample; (e) hardness test position; (f) metallographic sample

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Fig. 2. Temperature during hybrid additive/subtractive manufacturing

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Fig. 3. Surface roughness of additive/subtractive workpiece

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Fig. 4. Surface morphologies of workpieces after milling at different matrix temperatures

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Fig. 5. Microstructures of deposited layer after milling at different matrix temperatures. (a) 482 ℃; (b) 205 ℃; (c) 164 ℃

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Fig. 6. Surface residual stress of each workpiece

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Fig. 7. Hardness distribution at different workpiece positions

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Table 1. Chemical compositions of 316L powder
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Table 1. Chemical compositions of 316L powder
Element Cr Ni Mo Mn Si C P S N Fe
Mass fraction /% 17.09 10.61 2.38 1.17 0.59 0.013 0.011 0.011 0.09 Bal.

Table 2. Processing parameters
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Table 2. Processing parameters
Parameter Power /W Scanning speed /(mm·s^-1) Powder feedingspeed /(g·min^-1) Milling speed /(m·min^-1) Milling depth /mm Feed pertooth /mm
Value 1600 6 8 150 0.1 0.05

Table 3. Measurement results of roughnessμm
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Table 3. Measurement results of roughnessμm
Workpiece No. Top Middle Substrate Average Error
1# 2.174 2.264 2.239 2.2257 0.065
2# 1.127 1.188 1.26 1.1917 0.133
3# 0.858 0.921 0.872 0.8873 0.065

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Gao Mengqiu, Zhao Yuhui, Zhao Jibin, Wang Zhiguo, Wang Zhiyong, Sun Libo. Influence of Matrix Temperature State on Surface Quality During Interactive Additive and Subtractive Manufacturing[J]. Chinese Journal of Lasers, 2020, 47(8): 802011

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