Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6
Fig. 7
Fig. 8
Fig. 9
Test parameters
| POY | FDY | factor | Level | |||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |||
| A | D | Tightening pulse (Piece) | 22000 | 22300 | 22600 | 22900 |
| B | E | Tightening speed/(r/s) | 1 | 2 | 3 | 4 |
| C | F | Ring size/mm | 45mm | 48mm | 51mm | 54mm |
test results and analysis
| No. | A | B | C | Number of knots (piece) | D | E | F | Number of knots (piece) |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 1 | 3 | 1 | 1 | 1 | 9 |
| 2 | 1 | 2 | 2 | 5 | 1 | 2 | 2 | 5 |
| 3 | 1 | 3 | 3 | 6 | 1 | 3 | 3 | 0 |
| 4 | 1 | 4 | 4 | 4 | 1 | 4 | 4 | 0 |
| 5 | 2 | 1 | 2 | 5 | 2 | 1 | 2 | 8 |
| 6 | 2 | 2 | 1 | 6 | 2 | 2 | 1 | 7 |
| 7 | 2 | 3 | 4 | 3 | 2 | 3 | 4 | 2 |
| 8 | 2 | 4 | 3 | 4 | 2 | 4 | 3 | 0 |
| 9 | 3 | 1 | 3 | 9 | 3 | 1 | 3 | 4 |
| 10 | 3 | 2 | 4 | 3 | 3 | 2 | 4 | 1 |
| 11 | 3 | 3 | 1 | 7 | 3 | 3 | 1 | 6 |
| 12 | 3 | 4 | 2 | 7 | 3 | 4 | 2 | 3 |
| 13 | 4 | 1 | 4 | 4 | 4 | 1 | 4 | 0 |
| 14 | 4 | 2 | 3 | 6 | 4 | 2 | 3 | 4 |
| 15 | 4 | 3 | 2 | 7 | 4 | 3 | 2 | 5 |
| 16 | 4 | 4 | 1 | 6 | 4 | 4 | 1 | 6 |