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Experimental investigation on abrasive flow finishing of FDM printed polymeric spur gear

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Title Experimental investigation on abrasive flow finishing of FDM printed polymeric spur gear
 
Creator Meena, Rajhans
Sandeep, Ch
Singhal, Piyush
Saxena, Kuldeep Kumar
Mali, Harlal Singh
 
Subject Additive manufacturing (AM)
Fused deposition modelling (FDM)
Abrasive flow machining (AFM)
AFM media
 
Description 276-283
Recently the use of polymers has seen significant growth in manufacturing industries. Polymeric gear is applied in
automation, material handling systems, toys and some household applications. At the same time, there are numerous benefits
of additive manufacturing techniques. Three dimensional (3D) printed products and components have a wide range of
applications, which are growing day by day. The outer surface of the 3D printing process suffers from poor finishing due to
layer addition. In this study, abrasive flow machining (AFM) is utilised to assess how well polymeric gears created using
fused deposition modelling are finished (FDM). In this study, abrasive flow machining (AFM) is utilised to assess how well
polymeric gears created using fused deposition modelling are finished (FDM). The study develops an AFM medium from
coal-ash powder, EDM oil, and glycerin. AFM medium viscosity and process parameters have been improved to improve
surface quality. Using the statistical program Minitab, a Taguchi L9 Design of Experiments (DOE) has been generated to
optimize parameters and establish a functional relationship between the output parameter, surface roughness, and the input
variables, which included layer thickness, abrasive concentration, mesh size of abrasive, and finishing time. An analysis has
been carried out to optimize the parameters of the abrasive flow machining (AFM) medium in order to improve the surface
quality of polymeric gears that are created using fused deposition modeling (FDM) technology. The ideal parameters have
been determined to be 33% abrasive concentration, 220 abrasive mesh size, 60% liquid synthesizer, 0.46 Pa/sec media
viscosity, 0.1 layer thickness, and 90 minutes completion time. An improvement of 95.37%, from 10.80 μm to 0.50 μm, in
the surface imperfection of FDM-printed polymeric gears has been achieved through the efficient optimization of the AFM
medium and process parameters. Surface quality of FDM-printed polymeric gears can be enhanced using AFM as a
post-processing approach.
 
Date 2024-05-28T06:24:27Z
2024-05-28T06:24:27Z
2024-05
 
Type Article
 
Identifier 0975-1017 (Online); 0971-4588 (Print)
http://nopr.niscpr.res.in/handle/123456789/63976
https://doi.org/10.56042/ijems.v31i2.623
 
Language en
 
Publisher NIScPR-CSIR,India
 
Source IJEMS Vol.31(2) April 2024