Analysis of Shrinkage Compensation Factor (SCF) of FDM uPrint SE for Accuracy Enhancement

  • Rajesh Ranganathan Coimbatore Institute of Technology
  • T. Ravi Coimbatore Institute of Technology
  • Arivazhagan Pugalendhi Coimbatore Institute of Technology
Keywords: Rapid prototyping, Additive manufacturing, Shrinkage Compensation factor (SCF), Accuracy in RP, Fused Deposition modeling (FDM)

Abstract

This paper scrutinizes the shrinkage of a component manufactured using Additive Manufacturing (AM) and emphasizes mainly on the change in dimensions of an AM component after printing. The physical model can be easily manufactured by having the CAD data in STL format for real time AM. However, deviation of product size in CAD model transforming to physical model will be existing due to the deformation of the material mainly because of shrinkage. So here an analysis is carried out to find the optimal shrinkage compensation factor (SCF) of the part manufactured by Fusion Deposition Modelling (FDM) machine which uses ABS P430 as the base raw material. To achieve the latter a suitable model part is considered taking all the dimension and geometrical constraints which are essential for finding SCF and through regression analysis with the help of Co-ordinate Measuring Machine (CMM) and Solid Works modeling, SCF is calculated. Based on the experimental study, dimensional accuracy of the part significantly improved after applying the SCF value of 0.068% which is assumed to be constant in all directions.

Author Biographies

Rajesh Ranganathan, Coimbatore Institute of Technology

Dr. Rajesh Ranganathan is a Professor in the Department of Mechanical Engineering at Coimbatore Institute of Technology, Coimbatore. He is also the Director of the Centre of Excellence in Manufacturing Sciences at Coimbatore Institute of Technology, Coimbatore funded by Ministry of Human Resource Development (MHRD), Govt of India, New Delhi. He completed his PhD from Loughborough University, UK and author of the book titled “Rapid manufacturing: As an enabling technology in supply chain improvements”. He published several research papers in various international journals and delivered invited lectures in different institutions. His research interests include additive manufacturing, supply chain management, customization, lean and agile manufacturing etc.

T. Ravi, Coimbatore Institute of Technology

Mr. T. Ravi is currently working as Junior Research Fellow at Center of Excellence in Manufacturing Sciences at Coimbatore Institute of Technology, Coimbatore funded by Ministry of Human Resource Development (MHRD), Govt of India, New Delhi and also pursuing his Ph.D.in the field of Additive Manufacturing from Anna University, Chennai. He obtained his Bachelor’s degree in Mechanical engineering from SKP Engineering College (2009-2013), Tiruvannamalai and Master of Engineering (M.E) in Engineering Design from SVS College of Engineering, (2013-15), Coimbatore. He holds two years teaching experience as Assistant Professor at SVS College of Engineering (2015-2017), Coimbatore and one-year research experience as Junior Research Fellow. During his tenure at SVS, he handled various subjects for both Under Graduate & Post Graduate programs. He has published several research papers in various international conferences/journals and some invited talks in different institutes. His research interests include additive manufacturing, Health Care Products, Composites etc.

Arivazhagan Pugalendhi, Coimbatore Institute of Technology

Mr. Arivazhagan Pugalendhi is presently working as a Project Manager (2017-till date) at Centre of Excellence in Manufacturing Sciences (Co EMS) running at Coimbatore Institute of Technology, Coimbatore, India. His qualification includes a Diploma in Production Engineering (2006-2009) from Thiagarajan Polytechnic College, Salem and Bachelor’s degree in Mechanical engineering (2010-2013) from SNS College of Engineering, Coimbatore and Master of Engineering (M.E) in Production Engineering (2015-2018) from PSG College of Technology, Coimbatore.

He is having an industrial experience (2013-2018) in the mechanical design field like pattern and die making, special purpose machine etc., Being designed as a Design Engineer, Project Manager for more than five years.

Also, he worked as Research Associate (2016-2017) at Centre of Excellence in Manufacturing Sciences of Coimbatore Institute of Technology for a duration of one year where he was working in the area of additive manufacturing, focuses on new product development, product customization and health care innovations.

Published
2019-05-05
How to Cite
Ranganathan, R., Ravi, T., & Pugalendhi, A. (2019). Analysis of Shrinkage Compensation Factor (SCF) of FDM uPrint SE for Accuracy Enhancement. International Journal of Integrated Engineering, 11(1). Retrieved from https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/2859
Section
Articles