Automatic datum dimensioning for plastic injection mould design and manufacturing

C. L. Li, Y. H. Lee, Kai Ming Yu

Research output: Journal article publicationJournal articleAcademic researchpeer-review

14 Citations (Scopus)


Datum dimensioning (or ordinate dimensioning) technique is very popular in plastic injection mould drawings where the location dimensions of a large number of hole features must be specified in the drawings of the mould plates. Although commercial CAD/CAM systems provide semi-automatic tools to assist the designer in the dimensioning process, it is still a very tedious process, as the user has to specify the location of each dimension tag. This paper reports a completely automatic method where optimal placements of the dimension tags can be determined. The method employs dynamic programming technique to optimize the dimension process with respect to several criteria that can be selected by the user. The method has been implemented and incorporated into a commercial CAD/CAM system, and examples are given to illustrate the important features of the program.
Original languageEnglish
Pages (from-to)370-378
Number of pages9
JournalInternational Journal of Advanced Manufacturing Technology
Issue number3-4
Publication statusPublished - 1 Mar 2006


  • Automatic dimensioning
  • Datum dimensioning
  • Dynamic programming
  • Optimal dimensioning
  • Ordinate dimensioning

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Software
  • Mechanical Engineering
  • Computer Science Applications
  • Industrial and Manufacturing Engineering


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