Investigations on deformation behavior of square box deep drawing using a magnetorheological fluid (MRF)
| Autor: | Feng Li, Ze Ping Bao, Cheng Chuang Jin |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
0209 industrial biotechnology
business.product_category Materials science business.industry Mechanical Engineering Forming processes 02 engineering and technology Structural engineering Deformation (meteorology) Flange 021001 nanoscience & nanotechnology Industrial and Manufacturing Engineering Computer Science Applications 020901 industrial engineering & automation Control and Systems Engineering visual_art Magnetorheological fluid visual_art.visual_art_medium Die (manufacturing) Deep drawing 0210 nano-technology business Fillet (mechanics) Sheet metal Software |
| Zdroj: | The International Journal of Advanced Manufacturing Technology. 99:1459-1466 |
| ISSN: | 1433-3015 0268-3768 |
| DOI: | 10.1007/s00170-018-2593-6 |
| Popis: | The magnetic medium-assisted sheet forming is a new flexible die forming, which can give full play to comprehensive advantages and characteristics of common force-transmitting mediums, such as liquid, semi-solid, and solid mediums, and play the role of directional, quantitative, and controllable loading effect. This paper attempts to use this medium for the deep drawing process experiment of auxiliary square box; a special tooling structure is developed. Results show that the wall thickness of the square box diagonal section, from the bottom center to the flange, reduces first and then increases; the largest thinning section is located at the punch fillet area. With the increase of current intensity, the thinning amount of square box reduces and the overall deformation uniformity is improved. The springback at 6A is only 0.52 mm, and the forming limit compared with that at 0A is increased by 21.74% at 6A. Meanwhile, the attaching capability has been greatly improved, the quality and dimensional precision of square box is also greatly improved. The experimental investigations provide a scientific basis for the development of flexible die forming process in complex special-shaped sheet metal parts. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|