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In order to realize the lightweight of auto body, the traditional one-piece BIW dashboard panel is designed into two parts (the upper one and the lower one) with different thickness. According to the typical features of the front dashboard panel, namely the arch shape of the evacuation area of the wheel cover, this paper proposes shallow drawing plus reshaping to simplify stamping process and greatly improve material utilization rate. In order to address the issues of corrugation of dashboard upper panel, insufficient stiffness of single part and poor welding of evacuation area of the wheel cover, the paper verifies the feasibility of shallow drawing plus reshaping through stamping CAE analysis, stamping physical production and welding quality verification. The cost saving advantage of split-type front dashboard panel is confirmed by the cost accounting of the whole process chain (stamping, welding, coating). Finally the low-cost front dashboard panel is put into mass production with shallow drawing plus reshaping process.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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