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

Published

November 3, 2017

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

Pub Type

Conferences

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 April 28, 2024)