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Effect of the Additive Manufacturing Process on Cutting Forces in Hybrid Manufacturing

Published

Author(s)

Michael Gomez, Andrew Honeycutt, Jarred C. Heigel, Tony Schmitz

Abstract

Powder bed fusion (PBF) enables metal components with complex geometries to be made via additive manufacturing (AM). Disadvantages of AM are rougher surface finish and lower achievable dimensional tolerances compared to computer numerically-controlled (CNC) machining [1]. Hybrid manufacturing combines additive and subtractive manufacturing strategies, which allows complex metal parts to be produced with the required surface finish and accuracy. An important consideration in hybrid manufacturing is the effect of the additive step on material removal in the subtractive step. Specifically, the cutting force is typically described using a force model that includes empirical coefficients that relate the required force to the commanded chip width and thickness. This paper explores the effects of the PBF process, as well as follow-on heat treating, on workpiece surface and material characteristics and, therefore, the corresponding cutting force coefficients.
Proceedings Title
Proceedings of: The Thirty Second Annual Meeting of the American Society for Precision
Engineering
Conference Dates
October 29-November 3, 2017
Conference Location
Charlotte, NC, US
Conference Title
The Thirty Second Annual Meeting of the American Society for Precision Engineering

Keywords

Additive manufacturing, powder bed fusion, machining, cutting force, stainless steel, force model

Citation

Gomez, M. , Honeycutt, A. , Heigel, J. and Schmitz, T. (2017), Effect of the Additive Manufacturing Process on Cutting Forces in Hybrid Manufacturing, Proceedings of: The Thirty Second Annual Meeting of the American Society for Precision Engineering, Charlotte, NC, US (Accessed October 4, 2023)
Created November 3, 2017, Updated June 16, 2023