Prediksi Keadaan Tegangan Sisa Dekat Permukaan untuk Benda Uji yang Dibulatkan Keras Menggunakan  Model Nonlinier Berbasis Data

Marcelino Efendi; Pratama Budianto; Michael Sibarani

Authors

Marcelino Efendi Teknik Mesin, Universitas Sumatera Utara, Medan, Indonesia
Pratama Budianto Teknik Mesin, Universitas Sumatera Utara, Medan, Indonesia
Michael Sibarani Teknik Mesin, Universitas HKBP Nommensen, Medan, Indonesia

Keywords:

Pemesinan keras, Stres sisa, Pemodelan berbasis data, AISI 6150

Abstract

Advantageous near surface residual stress states, being of crucial importance for performance f components, can already be established by adequate machining strategies avoiding cost intensive post treatments. In the present work, residual stress and integral width distributions in hard-turned specimens (AISI 6150) are characterized in dependence of processing pa ameters and workpiece hardness. In order to provide a basis for robust control schemes, experimental results are analyzed using various data driven methods. It is revealed that sophisticated approaches such as Takagi-Sugeno multi-models accurately predict process- property relationships and eventually outperform standard approaches such as multiple linear regression.

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