Research Article
Screening the Main Factors Affecting the Wear of the Scraper Conveyor Chute Using the Plackett–Burman Method
| Symbol | Parameters | Low level (−1) | High level (+1) |
| A | Water content in the coal (%) | 0 | 15 | B | Gangue content in the coal (%) | 0 | 25 | C | HGI of coal | 51 | 75 | D | Coal particle size (mm) | 1(0.5~2) | 7(6~8) | E | Normal load (N) | 10 | 35 | F | Scraper chain speed (m/s) | 0.4 | 0.9 |
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