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The coiler in production line of hot continuous rolled strip steel is the only equipment for coiling strip steel after rolling and its stability of working condition directly affects the stable production of production line, yield and appearance quality of coil of strip. The level of stiffness of wrapper roller for coiler is the core factor determining stability of coiler. In the paper, the concept of stiffness of wrapper roller for coiler in production line of hot continuous rolled strip steel as well as the significances and methods of static test are elaborated. The analysis sheet of stiffness of wrapper roller is obtained through tests as well as collecting, analyzing, summarizing and calculating related data. Guide the craft personnel to set and optimize parameters as well as equipment personnel to eliminate defects purposefully to ensure stable operation of coiler, reduce coiling accidents and improve yield as well as ensure coil shape and appearance quality of strip steel.
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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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