Cold Roll Forming Process and Die Design for Double-Gutter Frame of Drawer Slider

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In this paper, the main focus is to demonstrate a systematic method of designing the roll flower and corresponding dies for a double-gutter frame applied to the drawer slider. The blank development method was proposed to calculate the width of blank for bending with small radii. The cold roll forming process design was based on the maximum longitudinal strain minimization and the interference of rolls with the double-gutter geometry of product profile. Extra pre-bending was designed to avoid the occurrence of blank collision during forming process. The FEM method was adopted to evaluate the process and die designs. Due to the geometry complexity of the product, strain distribution is uneven which results in more spring back and stress concentration. A geometry setting design was proposed to create local strain redistribution and smooth strain distribution of entire section profile after final forming step. Using geometry setting die design, the spring back at the end point and the gutter areas of final product section are 0.07 mm and 0.1 mm, respectively. Without the geometry setting die design, the spring back at the end point and the gutter areas of final product section are 0.11 mm and 0.15 mm, respectively. The simulation results demonstrate the proposed methods are able to improve the accuracy of cold roll forming products.

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Edited by:

Yeong-Maw Hwang and Cho-Pei Jiang

Pages:

205-210

Citation:

J. J. Sheu et al., "Cold Roll Forming Process and Die Design for Double-Gutter Frame of Drawer Slider", Key Engineering Materials, Vol. 626, pp. 205-210, 2015

Online since:

August 2014

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$41.00

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