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|Article Title & Authors (Volume 11, Issue 5, October - 2018)
|Process Capability Analysis of Fused Deposition Modeling Process
Santosh Singh Rathor, Akash Sharma, Yashwant Kumar Modi
International Journal of Advances in Engineering & Technology (IJAET), Volume 11 Issue 5, pp. 147-154, October 2018.
Additive manufacturing in general and Fused Deposition Modeling (FDM) in particular is capable of fabricating physical parts directly from a Computer-aided design (CAD) model. The fabrication of part takes place without any tooling and free from any geometrical complexity. Nowadays, it is being employed to significantly shorten product development time and cost and to produce parts in small and medium batch. In this study, authors have tried to measure the accuracy and repeatability of the process for the production of prismatic parts to insure that the process is capable enough to produce standard product within its range limit. Process capability analysis is carried out through the computations of various process capability ratios and indices using MINITAB 14.0 software. Initially, a CAD model of a cuboid part with a hole in the center is designed in CAD modeling software. Then twenty specimens have been fabricated on same process parameters. Finally, measurements of linear and diametric dimensions are done on a coordinate measuring machine (CMM). The result shows that dimensions in XY plane are undersized whereas dimension in the Z direction is found oversized. Process capability of the FDM is found approximately 300 micrometers. The flow of research paper starts with abstract and ends with future work where keywords are followed by abstract then there is an introduction about the topic. Then we talked about process capability and its scope, after which there is experimental work that we carried out. Result and analysis are done on the bases of the experiment.