Comparison of L-Shaped and Circular Punch Holder Mechanisms in Sheet Metal Dies Using Finite Element Analysis
Year: 2025
Type: article
Abstract: In this study, the mechanical performance of the widely used L-shaped punch holder mechanism and a newly developed circular punch holder mechanism for sheet metal forming dies was comparatively investigated. Finite Element Analysis (FEA) was performed using the Ansys software to evaluate the static structural behavior of both mechanisms under applied loads. The materials employed in the analyses were AISI 1050 steel, D2 tool steel, and grade 12.9 AISI 4140 bolts. According to the obtained Von-Mises stress and total deformation results, the circular punch holder exhibited lower stress (593 MPa) and deformation (5.94 mm) values compared to the L-shaped holder (617 MPa, 6.16 mm). The circular design, fastened with two M6 bolts, provided better structural stability than the L-type configuration using a single M8 bolt. Additionally, the new circular design allows the assembly of punches with various diameters, offers easier installation in narrow spaces, and ensures a cost advantage. As a result, the developed circular punch holder mechanism presents an innovative and practical solution that enhances production efficiency and contributes directly to industrial manufacturing applications.
Authors: Hilal Kir, Yahya Işik, Mustafa Yazar
Institution: Bursa Uludağ Üni̇versi̇tesi̇
Language: English
Subfield: Mechanical Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: diamond
OpenAlex ID: W4417490298
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