Simulation Analysis of Spinning Forming of Thin Walled Ultrahigh-Strength Low-Alloy Steel Tubes

• Main Authors: Huei-Guo Hu, 胡惠國
• Other Authors: 陳政順
• Format: Others
• Language: zh-TW
• Published: 2011
• Online Access: http://ndltd.ncl.edu.tw/handle/a7cfmq

碩士 === 國立臺北科技大學 === 製造科技研究所 === 99 === Spinning forming is a continuous and complex deformation process. In this paper, an finite element numerical simulation software, ANSYS / LS-DYNA, is used to analyze the spinning forming of D6AC Ultrahigh-Strength low-alloy Steel, and the distribution rules of spinning force, forming stress and strain under different wall thickness in a single pass of forward flow forming. Preliminary results indicate that the spinning force will be greater in accord with the increase of reduction rate, feed rate and the roller radius, with the decrease of spindle speed and Leading angle, and the reduction rate can be up to 70%. Followed by changes in process parameters and comparison of reduced rate of 70% of the case, the spindle speed 60 rpm, the feed rate 0.7 mm/rev, Leading angle of attack 30° and roller radius 4mm, forming the workpiece can get better ,which can provide an important reference for spinning process.