Characteristics of Rotary Draw-Bent Tubes for the Hydroforming

Abstract:

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Hydroformed parts have higher dimensional accuracy, structural strength, and dimensional repeatability. The pre-bending process is an important process for the successful hydroforming in the case where the perimeter of the blank is nearly the same as that of final product. At initial pre-bending stage, the variations of wall thickness and cross-section have effects on the accuracy of final products and quality. Because of a relatively excellent productive velocity, geometric size precision and reliance of product qualities, rotary draw bending is widely used. This study shows the bendability such as cross-section ovality, springback ratio and thickness variation in the various conditions of materials.

Info:

Periodical:

Edited by:

Zhang Yushu

Pages:

320-324

DOI:

10.4028/www.scientific.net/AMR.213.320

Citation:

B. D. Joo et al., "Characteristics of Rotary Draw-Bent Tubes for the Hydroforming", Advanced Materials Research, Vol. 213, pp. 320-324, 2011

Online since:

February 2011

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Price:

$35.00

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