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Experimental Analysis and Prediction of Springback in V-bending Process of High-Tensile Strength Steels

  • Muhammad WasifEmail author
  • Syed Amir Iqbal
  • Muhammad Tufail
  • Hassan Karim
Technical Paper
  • 45 Downloads

Abstract

Experimental setup has been designed, to study the effects of thickness, width, bend angle and machine tool parameters on the springback, in two high-tensile strength steel grades, namely JSC440 and JSC590, during the V-bending process. Relationship between the springback and the parameters are analyzed using plots. Optimal combination of parameters for the minimum springback is evaluated. Analysis of variance has been carried out to analyze the magnitude of influence of these parameters on the springback. Using the experimental results, analytical models for the prediction of springback for the combinations of blank thickness, width, bend angle and machine tool parameters have been developed. Results reveal that in V-bending of JSC440, thickness and width are the dominant factors influencing the springback, whereas in JSC590 steel, insignificant change in springback is observed with the change in width of blank and using the hydraulic press with holding. However, thickness of steel sheet and bend angle influence significantly the springback in JSC590 steels.

Keywords

High tensile strength Sheet-metals V-bending Springback JSC440 JSC590 

Notes

Acknowledgements

We are thankful to Mr. Fahad Qamar, Mr. Sadequain, Mr. Ozair Mustafa, Mr. Sohaib Ahmed Khan and Mr. Arsalan Zaidi for providing assistance in experimentation and arrangements in the tool design laboratory.

Funding

This research project is funded by the NED University of Engineering and Technology, Karachi.

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Copyright information

© The Indian Institute of Metals - IIM 2019

Authors and Affiliations

  1. 1.Department of Industrial and Manufacturing Engineering (IMD)NED University of Engineering and TechnologyKarachiPakistan
  2. 2.NED University of Engineering and TechnologyKarachiPakistan

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