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http://dx.doi.org/10.14775/ksmpe.2021.20.10.009

Determination of the Temperature Coefficient of the Constitutive Equation using the Response-Surface Method to Predict the Cutting Force  

Ku, Byeung-Mun (Hanwha Defense)
Kim, Tae-Ho (T&SMachining)
Park, Jung-Su (Hanwha Defense)
Publication Information
Journal of the Korean Society of Manufacturing Process Engineers / v.20, no.10, 2021 , pp. 9-18 More about this Journal
Abstract
The cutting force in a cutting simulation is determined by the cutting conditions, such as cutting speed, feed rate, and depth of cut. The cutting force changes, depending on the material and cutting conditions, and is affected by the heat generated during cutting. The physical properties for predicting the cutting force use constitutive equations as functions of the hardening term, rate-hardening term, and thermal-softening term. To accurately predict the thermal properties, it is necessary to accurately predict the thermal-softening coefficient. In this study, the thermal-softening coefficient was determined, and the cutting force was predicted, using the response-surface method with the cutting conditions and the thermal-softening coefficient as factors.
Keywords
Constitutive Equation; Response Surface Method; Cutting Force; Cutting Condition;
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