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The performance test of automobile safety belt is a national mandatory requirement. However, At present, there is a great deal of waste and non-standardization in all aspects of the testing processes, including aspects of personals, machines, materials, methods and the environment, resulting in inefficient testing and poor supervision of testing quality in the laboratory. The statistical analysis is carried out for current status in laboratory, the current value stream map of vehicle safety belt performance testing is drawn, the waste existing in each inspection process and the problem of unsmooth flow between processes are investigated. Under the guidance of lean thinking, a “pull testing” mode is established, the future map of value stream is drawn, and a value-added system is established. According to the requirements of the value added system and the future map of the value stream, improvement measures from 4 aspects are proposed, including on-site guarantee, quality guarantee, balanced detection guarantee and good external cooperation, realizing the balanced detection of automobile safety belt performance. Performance tests prove that, the testing period of single batch of samples is reduced from 37.8 days to 14.5 days, and the error rate of personnel remains below 0.1%.
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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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