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Low glue vacuum pressure immersion (VPI) insulation system has been widely used in the manufacturing of high voltage motor. In this paper, the coil manufacturing process in low glue VPI process was studied, and the effect, value, and improvement possibility of each coil manufacturing process were analyzed. The existing problems and improvement measures of the current process were proposed, and a coil sample was made to conduct properties comparison tests. The results show that there are unnecessary processes that consume time and energy in the traditional coil manufacturing process, which can be improved by changing the shape of winding former and coating pre-coated insulation layer. Compared with the previous coil manufacturing process, the improved coil manufacturing process has the advantages of better coil performance, shorter manufacturing cycle, lower production cost, higher work efficiency, and more environmentally friendly.
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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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