High Speed Machining (HSM) has been discovered as one of the most promising technology for reducing production times and to improve surface finish in the machining of precision moulds and dies. However there are several factors that are critical for a good

This paper will focus in this area, presenting the advances achieved in the development of new cutting strategies for HSM of hardened steels and how these strategies can improve significantly the result, both from the tool life point of view and also in the geometrical accuracy and surface finish of the machined workpiece. The results described in this paper are the proposed solutions for the HSM of real parts in hardened steels in four different mould and die application sectors like forging, stamping, injection of aluminum and plastic injection.

Key Words

• High speed machining

• Rough cutting strategies

• Mould and die manufacturing  

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