Full
Outline
In the paper, the dynamic precise control of angle and tension at tail end is realized through innovating control program of looper and developing function module of stepwise deceleration for rolling mill at tail end of strip aiming at such industry challenges as back end whip, breakage due to rolling and equipment damage caused by tension fluctuation at tail end of strip in the production of hot continuous rolled low alloy high strength thin strip. With the adjustment mechanism of matching parameters based on specifications, tension at tail end of strip could be automatically adjusted as needed so as to avoid the drawback of frequent adjustment for traditional manual intervention. The industrial applications show that the times of unplanned roll change caused by accidents of back end whip and breakage due to rolling each month are significantly reduced as well as expected annual loss is reduced by CNY 3 million Yuan with the technology, which could provide a new path for stable rolling of thin strip.
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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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