Practical implementation of cutting force model for step drill using 3D CAD data

As an extension of the cutting force model, which was developed by analyzing the forces on rake and relief face, a practical method of cutting force model is suggested. By a calibration test, cutting coefficients are determined, including the information on tool geometry, work material and cutting c...

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Bibliographic Details
Published in:CIRP annals 2019, Vol.68 (1), p.85-88
Main Authors: Mai, D., Kwon, B.C., Ko, S.L.
Format: Article
Language:English
Subjects:
Composite
Drilling
Geometric modelling
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Summary:As an extension of the cutting force model, which was developed by analyzing the forces on rake and relief face, a practical method of cutting force model is suggested. By a calibration test, cutting coefficients are determined, including the information on tool geometry, work material and cutting conditions such as cutting speed and feed rate. As inputs for the force model, normal rake angle and normal relief angle were obtained by a new method from the measured angles using a 3D CAD machine. This practical force model can be applied for machining CFRP successfully, which was proved from the experiments.
ISSN:0007-8506
DOI:10.1016/j.cirp.2019.04.055