Research Article
Screening the Main Factors Affecting the Wear of the Scraper Conveyor Chute Using the Plackett–Burman Method
Table 6
Design and results of Plackett–Burman test.
| | Parameters | Run No. | | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| | A | -1(0) | -1 | -1 | -1 | 1(15) | 1 | -1 | 1 | 1 | 1 | -1 | 1 | | B | 1(25) | -1(0) | 1 | 1 | 1 | -1 | -1 | 1 | 1 | -1 | -1 | -1 | | C | 1(75) | -1(51) | 1 | -1 | 1 | -1 | -1 | -1 | -1 | 1 | 1 | 1 | | D | 1(7) | -1(1) | -1 | 1 | -1 | -1 | 1 | 1 | -1 | 1 | -1 | 1 | | E | -1(10) | -1 | 1(35) | 1 | -1 | 1 | -1 | 1 | -1 | 1 | 1 | -1 | | F | -1(0.4) | -1 | 1(0.9) | -1 | -1 | -1 | 1 | 1 | 1 | -1 | 1 | 1 | | Wear loss/mg | 49 | 2. 8 | 53 .8 | 130. 9 | 164. 3 | 223. 1 | 1 .5 | 271. 2 | 108. 4 | 137 | 5 .1 | 59 .2 |
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