Using a complexity factor to calculate cost benefits of 3-D sand printing

E. Almaghariz, B. Conner, L. Lenner, R. Gullapalli, G. Manogharan, B. Lamoncha, M. Fang

Research output: Contribution to specialist publicationArticle


Three-dimensional sand printing provides a means to fabricate molds and cores without the need to make patterns and coreboxes. Metalcasters and end-users would benefit from learning more about when to use this evolving advanced technology over conventional patternmaking. Researchers examined the cost of molds and cores as a function of part design complexity quantified by a complexity factor. Additive manufacturing in the form of 3-D sand printing is complementary to the traditional approach of moldmaking in sand casting. 3-D sand printers can directly print a mold from computer-aided design (CAD) models of the desired part design in a matter of a few hours without the need for patterns or coreboxes. 3 -D sand printing provides unique advantages in moldmaking such as significantly reduced lead-time and flexibility without the need for tooling. It also offers additional geometric freedom to produce complex designs not otherwise feasible or affordable using the traditional approach.

Original languageEnglish (US)
Number of pages5
Specialist publicationMetal Casting Design and Purchasing
StatePublished - Nov 1 2016

All Science Journal Classification (ASJC) codes

  • Industrial and Manufacturing Engineering
  • Metals and Alloys


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