INTEGRATION OF INVESTMENT CASTING WITH RAPID PROTOTYPING TECHNIQUE

MECHANICAL ENGINEERING

Use of rapid prototyping for manufacturing the tailor made product is one of the important areas of research today. This has lot of significance in automobile industries in manufacturing of mechanical components and also for orthopedic and dental implants in medical application. The manufacturing feasibility of new engineering product invented using techniques like Bionics, TRIZ is possible because of rapid prototyping. In this research paper, analysis of investment casting using fused deposition modeling (FDM) technique is carried out. FDM is used for getting physical part in Acrylonitrile Butadiene Styrene (ABS) polymer from Computer Aided Design (CAD) data and using it as pattern for investment casting. Feasibility of manufacturing the customized/tailor made part using FDM is the main focus in this paper. The experimentation is carried out to develop mathematical model so as to minimize the defects in casting. Zero defect casting is possible using the mathematical model and simulation software thus setting the parameter to design correctly the gating and riser. Practical implications of this research aim to address the issue of manufacturing cost effective, defect free customized part using FDM.

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