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CVD diamond coatings on geometrically complex cutting tools

Authors
Journal
CIRP Annals - Manufacturing Technology
0007-8506
Publisher
Elsevier
Publication Date
Volume
58
Issue
1
Identifiers
DOI: 10.1016/j.cirp.2009.03.063
Keywords
  • Machining
  • Cvd Diamond Coating
  • Wear Analysis
Disciplines
  • Chemistry
  • Design

Abstract

Abstract The manufacturing of chemical vapour deposition (CVD) diamond coated shaft type cutting tools is demanding due to the complex design of the cutting edges and the cobalt content of the cemented carbide. The influencing parameters of substrate, pre-treatment and diamond film on the tool cutting performance are discussed. The optimised manufacturing route of CVD diamond coated thread milling drills is identified with the use of material and tribological tests. Following the optimised production of the tools, the thread milling drills are then applied in the machining of AlSi17Cu4Mg, whereby the tool performance is characterised with respect to their wear behaviour, the process forces and temperatures as well as the workpiece quality.

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