Determination of clearance for the design of bending die for looping a cable stayed support plate

Ibrahim, Siti Nur Ailisa (2017) Determination of clearance for the design of bending die for looping a cable stayed support plate. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

This final year project entitled “Determination of Clearance for The Design of Bending Die for Looping a Cable Stayed Support Plate”. This project focused on the design of bending die to determine the optimum clearance between the punch and die for bending of cable stayed support plate. Besides, it also focused to determine the suitable force for the design of optimum bending die clearance during bending. These two parameters which were the clearance between punch and die; and the force during bending were used for determining whether it will be able to produce a good final shape of the plate with small or no defect. The 3D modelling designs of bending die are designed using the CATIA software. The material used for the cable stayed support plate was stainless steel with thickness of 2 mm and 140 mm long. By using the Explicit Dynamic Analysis from ANSYS software, the result of Finite Element Analysis for each design of bending die with different clearance and the force are obtained. The different clearance between punch and die used for the analysis were 0.1 mm, 0.2 mm, 0.3 mm, 0.4 mm, and 0.5 mm; whereas the different forces used for the analysis were 427 N, 214 N, and 107 N. The results of the analysis were focused for the total deformation and the equivalent (von-Mises) stress of the plate. From the final results of the analysis, it is obtained that the optimum clearance between punch and die are the design of bending die with 0.2 mm clearance. The most suitable force for the optimum clearance of the die obtained was 214 N. The 0.2 mm clearance design had results of total deformation of 89.195 mm and the equivalent stress of 28121 MPa. There is no tear defect occur based on the analysis results.

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