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Through the Design Of Experiment (DOE), the simulation model of glass flush and lifting torque, the key quality characteristics of Flush Door system, was established, and the significant factors affecting response variables were analysed, and the system robustness before and after tolerance optimization was simulated by Monte Carlo. The Simulation results show that the determination coefficient (R2) of glass flush and lifting torque are 0.968 6 and 0.963 9 respectively, which indicates the models agree well with experimental data. After tolerance optimization, the product out-of-tolerance rates of glass flush and lifting torque are reduced from 0.62% and 1.71% to 0 respectively. At the same time, the redistribution of the tolerance zones has reduced the product out-of-tolerance rates by 0.60% and 1.67% respectively, significantly improving the robustness of the system tolerance design.
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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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