Research Article
The Grey Theory Combining the Taguchi Method for the Best Parameters: A Case Study of Polishing M300 Steel
Table 9
Grey correlation degree of each experimental scheme.
| | Test No. | Processing parameters | Grey correlation degree | | Grain size | Grinding speed | Cutting depth | Feed rate | | | | | (GRC) |
| | 1 | 1 | 1 | 1 | 1 | 0.5508 | | 2 | 2 | 2 | 3 | 1 | 0.4365 | | 3 | 3 | 3 | 2 | 1 | 0.3465 | | 4 | 2 | 3 | 1 | 2 | 0.5439 | | 5 | 1 | 2 | 2 | 2 | 0.4933 | | 6 | 3 | 1 | 3 | 2 | 0.8331 | | 7 | 3 | 2 | 1 | 3 | 0.3881 | | 8 | 2 | 1 | 2 | 3 | 0.4757 | | 9 | 1 | 3 | 3 | 3 | 0.6148 |
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