Estimated stress and friction distributions on tool rake face in the medium density fiberboard cutting process

This paper presents a model of load distribution on the cutting edge of a tool during machining medium density fiberboard (MDF). A series of cutting tests was carried out with tools having designated rake face contact lengths. Utilizing the experimental data and a mechanics approach developed earlier by the third author, a model to estimate the distribution of stresses and friction on the rake face was developed. The model provides an essential step in the design and development of cutting edge geometry to prevent early edge failure and to control and reduce thermal/mechanical loading of the tool wedge.

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