3D Topography for Drilled Surfaces

Abstract

Nowadays more and more scientific papers deal with drilling. The drilling process has been used for more than 5000 years and the development of conventional drills is more than 200 years old. In recent years there have been limited changes to the drill design but considerable improvements have been made in the selection of drill materials, drill coatings, flute design and cutting fluid guiding methods. The paper briefly describes the development of surface characterisation including its current 3D capability. It shows how selected parameters can assist with drill process analysis and how this can be supported through the introduction of the planned new ISO International Standard for 3D Surface characterisation. The paper is supported by a sample drilling test to demonstrate the power of the proposed analysis.