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Research on Surface Defects around Antenna Mounting Boss of Car Roof
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Lijuan Bi, Yapeng Shi, Pengpeng Bai
Automobile Technology & Material | 2023, (7) : 42 - 46
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Automobile Technology & Material | 2023, (7): 42-46
Research on Surface Defects around Antenna Mounting Boss of Car Roof
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Lijuan Bi, Yapeng Shi, Pengpeng Bai
Affiliations
  • FAW-VW Automobile Co., Ltd., Changchun 130011
Published: 2023-07-20 doi: 10.19710/J.cnki.1003-8817.20210399
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In order to eliminate surface defects around the roof antenna mounting boss, this paper used Autoform simulation and experimental verification to analyze 2 causes of defects, cause 1: stroke during the forming process is small, and the plastic deformation of the material is insufficient; cause 2: the pressing force of the pressing plate is insufficient, resulting in the deformation in the deformation area affecting the non-deformed area. Through the simulation analysis of the 2 process methods of the antenna mounting boss drawing forming and upper forming, it is confirmed that the upper forming process can effectively solve the defect around the antenna mounting boss, and the real effect is completely consistent with the theoretical simulation, which solves the problem of the surface defect of the antenna boss.

Car roof  /  Antenna mounting boss  /  Surface defects  /  Audit
Lijuan Bi, Yapeng Shi, Pengpeng Bai. Research on Surface Defects around Antenna Mounting Boss of Car Roof[J]. Automobile Technology & Material, 2023 , (7) : 42 -46 . DOI: 10.19710/J.cnki.1003-8817.20210399
Year 2023 volume Issue 7
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doi: 10.19710/J.cnki.1003-8817.20210399
  • Online Date:2026-01-12
  • Published:2023-07-20
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    FAW-VW Automobile Co., Ltd., Changchun 130011
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

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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