Hard cutting of pre-hardened plastic mould steels

Georg Deinhofer, Franz Obermair, Josef Merkinger, Silvia Zinner, Devrim Caliskanoglu

Research output: Chapter in Book/Report/Conference proceedingsConference contribution

Abstract

Steel used in the manufacture of Plastic moulding tools require high hardness for a satisfactory life cycle. Moulds and Dies are manufactured by roughing, heat treatment, finishing and polishing. Pre-hardened steels need no further heat treatment and enable a shorter production time with lower manufacturing costs. The costs are mainly controlled by material and machining. Results of milling (roughing and finishing), threading and drilling tests of a corrosion resistant plastic mould steel with a chromium content of 14% at four different hardened states (30 to 45HRC) were determined and compared. Furthermore, the optimum hardening state for cost effective hard machining in mould and die making will be presented. The results of these investigations are shown on an appropriate high speed machining sample part.
Original languageEnglish
Title of host publicationTOOL09 tool steels
Publication statusPublished - 2009
EventTool09 - Aachen, Germany
Duration: 2 Jun 20094 Jun 2009
http://www.tool09.rwth-aachen.de/

Conference

ConferenceTool09
CountryGermany
CityAachen
Period02.06.200904.06.2009
Internet address

Keywords

  • Plastic mould steel
  • hard machining
  • cost effective cutting parameters

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