Open AccessUSE OF FUSED DEPOSITION MODELING PROCESS IN INVESTMENT PRECISION CASTING AND RISK OF USING SELECTIVE LASER SINTERING PROCESS
Author(s) -
M. Sivadasan,
Nimratjot Singh,
Anoop Kumar Sood
Publication year - 2012
Publication title -
international journal of applied research in mechanical engineering
Language(s) - English
Resource type - Journals
ISSN - 2231-5950
DOI - 10.47893/ijarme.2012.1041
Subject(s) - investment casting , selective laser sintering , fused deposition modeling , rapid prototyping , materials science , casting , process (computing) , process engineering , deposition (geology) , fabrication , acrylonitrile butadiene styrene , cracking , sintering , 3d printing , computer science , metallurgy , mold , composite material , engineering , paleontology , sediment , operating system , medicine , alternative medicine , pathology , biology
Investment Castings (IC) is one of the most economical ways to produce intricate metallic parts when forging, forming and other casting processes tend to fail. However, high tooling cost and long lead time associated with the fabrication of metal moulds for producing IC wax (sacrificial) patterns result in cost justification problems for customized single casting or small-lot production. Generating pattern using rapid prototyping (RP) process may be one of the feasible alternatives. For this purpose present study assessed the suitability of the fused deposition modeling (FDM) process for creating sacrificial IC patterns by studying FDM fabricated part thermal response at various temperatures. A series of experiments with RP patterns are conducted and a set of test castings are also made in steel for establishing feasibility. The build material used is acrylonitrile butadiene styrene (ABS). As an annexe to this work a concurrent attempt is also made to quantify the risk in using Selective Laser Sintering patterns for Investment Castings. Authors hope this work might establish applicability of ABS in IC and also lead the investigations to theoretically tone down the shell cracking tendency with Selective Laser Sintering patterns when Proprietary Duraform is used as the build material.