Recent advances in design and preparation of micro diamond cutting tools

Highlights Design methods of micro diamond cutting tools are summarized comprehensively from the perspective of tool geometries and cutting performances. Influences of cutting edge sharpness and waviness on the machined surface quality are analyzed, and corresponding improvement measures are introduced. Different methods to prepare micro diamond cutting tools are compared, including laser processing, FIB processing, and mechanical lapping. Challenges and future directions are demonstrated to provide guidance for the design and preparation of micro diamond cutting tools.