Research Article
Experimental-Based Optimization of Injection Molding Process Parameters for Short Product Cycle Time
Table 3
Experimental results for warpage, volumetric shrinkage, and cycle time.
| | Injection speed | Injection pressure | Measured injection pressure | Cooling time | Packing pressure | Mold temp. | Packing time | Melt temp. | Warpage | Volumetric shrinkage | Cycle time | mm/s | bar | bar | sec | bar | °C | sec | °C | mm | cm3 | sec | | | | | | | | | | | |
| 1 | 15 | 450 | 457 | 10 | 100 | 15 | 9 | 200 | 5.8 | 3.97 | 31.1 | 2 | 15 | 450 | 457 | 30 | 100 | 15 | 3 | 200 | 6.8 | 5.17 | 43.9 | 3 | 15 | 450 | 457 | 10 | 400 | 15 | 3 | 200 | 6 | 4.59 | 24.7 | 4 | 15 | 450 | 457 | 30 | 400 | 15 | 9 | 200 | 2.9 | 2.45 | 49.8 | 5 | 15 | 800 | 462 | 10 | 100 | 15 | 3 | 200 | 4.5 | 5.26 | 24.5 | 6 | 15 | 800 | 461 | 30 | 100 | 15 | 9 | 200 | 3.4 | 3.95 | 49.8 | 7 | 15 | 800 | 460 | 10 | 400 | 15 | 9 | 200 | 3.9 | 2.55 | 31.4 | 8 | 15 | 800 | 461 | 30 | 400 | 15 | 3 | 200 | 6 | 4.49 | 43.8 | 9 | 60 | 450 | 452 | 10 | 100 | 15 | 3 | 200 | 4.4 | 5.38 | 23.6 | 10 | 60 | 450 | 452 | 30 | 100 | 15 | 9 | 200 | 3.7 | 4 | 48.9 | 11 | 60 | 450 | 452 | 10 | 400 | 15 | 9 | 200 | 3.5 | 2.63 | 30.3 | 12 | 60 | 450 | 452 | 30 | 400 | 15 | 3 | 200 | 7.7 | 4.62 | 42.7 | 13 | 60 | 800 | 785 | 10 | 100 | 15 | 9 | 200 | 5.8 | 4.34 | 29.0 | 14 | 60 | 800 | 783 | 30 | 100 | 15 | 3 | 200 | 9.1 | 5.21 | 41.9 | 15 | 60 | 800 | 791 | 10 | 400 | 15 | 3 | 200 | 7 | 4.1 | 22.9 | 16 | 60 | 800 | 787 | 30 | 400 | 15 | 9 | 200 | 2.9 | 1.97 | 47.9 | 17 | 15 | 450 | 447 | 10 | 100 | 45 | 3 | 200 | 4.7 | 5.33 | 25.6 | 18 | 15 | 450 | 445 | 30 | 100 | 45 | 9 | 200 | 9 | 4.05 | 49.9 | 19 | 15 | 450 | 450 | 10 | 400 | 45 | 9 | 200 | 5.1 | 3.24 | 31.2 | 20 | 15 | 450 | 447 | 30 | 400 | 45 | 3 | 200 | 6.8 | 5.09 | 43.8 | 21 | 15 | 800 | 445 | 10 | 100 | 45 | 9 | 200 | 4 | 4.1 | 30.9 | 22 | 15 | 800 | 446 | 30 | 100 | 45 | 3 | 200 | 7.9 | 5.55 | 48.8 | 23 | 15 | 800 | 444 | 10 | 400 | 45 | 3 | 200 | 9.6 | 5.17 | 24.8 | 24 | 15 | 800 | 446 | 30 | 400 | 45 | 9 | 200 | 4 | 3.15 | 49.8 | 25 | 60 | 450 | 453 | 10 | 100 | 45 | 9 | 200 | 4.5 | 4.19 | 29.8 | 26 | 60 | 450 | 452 | 30 | 100 | 45 | 3 | 200 | 7.2 | 5.68 | 42.7 | 27 | 60 | 450 | 453 | 10 | 400 | 45 | 3 | 200 | 8.6 | 5.31 | 23.3 | 28 | 60 | 450 | 453 | 30 | 400 | 45 | 9 | 200 | 4.5 | 3.25 | 48.7 | 29 | 60 | 800 | 783 | 10 | 100 | 45 | 3 | 200 | 11 | 5.53 | 22.4 | 30 | 60 | 800 | 779 | 30 | 100 | 45 | 9 | 200 | 3.8 | 4.14 | 47.9 | 31 | 60 | 800 | 781 | 10 | 400 | 45 | 9 | 200 | 6 | 2.28 | 29.4 | 32 | 60 | 800 | 780 | 30 | 400 | 45 | 3 | 200 | 7.9 | 4.27 | 41.9 | 33 | 15 | 450 | 343 | 10 | 100 | 15 | 3 | 250 | 8.4 | 5.92 | 24.4 | 34 | 15 | 450 | 342 | 30 | 100 | 15 | 9 | 250 | 5.2 | 3.85 | 49.7 | 35 | 15 | 450 | 343 | 10 | 400 | 15 | 9 | 250 | 4.5 | 3.12 | 31.4 | 36 | 15 | 450 | 344 | 30 | 400 | 15 | 3 | 250 | 8 | 5.35 | 43.7 | 37 | 15 | 800 | 345 | 10 | 100 | 15 | 9 | 250 | 5 | 3.95 | 31.2 | 38 | 15 | 800 | 345 | 30 | 100 | 15 | 3 | 250 | 7.6 | 5.85 | 43.7 | 39 | 15 | 800 | 348 | 10 | 400 | 15 | 3 | 250 | 6.7 | 5.48 | 24.6 | 40 | 15 | 800 | 349 | 30 | 400 | 15 | 9 | 250 | 6.4 | 3.02 | 49.7 | 41 | 60 | 450 | 451 | 10 | 100 | 15 | 9 | 250 | 4.8 | 4.15 | 29.5 | 42 | 60 | 450 | 451 | 30 | 100 | 15 | 3 | 250 | 6 | 6.06 | 42.1 | 43 | 60 | 450 | 452 | 10 | 400 | 15 | 3 | 250 | 7.7 | 5.83 | 22.9 | 44 | 60 | 450 | 452 | 30 | 400 | 15 | 9 | 250 | 5.2 | 3.2 | 48.1 | 45 | 60 | 800 | 639 | 10 | 100 | 15 | 3 | 250 | 16 | 6.16 | 22.6 | 46 | 60 | 800 | 639 | 30 | 100 | 15 | 9 | 250 | 7.1 | 4.07 | 47.8 | 47 | 60 | 800 | 639 | 10 | 400 | 15 | 9 | 250 | 6 | 3.29 | 29.5 | 48 | 60 | 800 | 642 | 30 | 400 | 15 | 3 | 250 | 9.1 | 5.48 | 41.9 | 49 | 15 | 450 | 333 | 10 | 100 | 45 | 9 | 250 | 5.8 | 4.54 | 30.8 | 50 | 15 | 450 | 334 | 30 | 100 | 45 | 3 | 250 | 7.9 | 6.21 | 43.8 | 51 | 15 | 450 | 335 | 10 | 400 | 45 | 3 | 250 | 9.9 | 5.95 | 24.3 | 52 | 15 | 450 | 338 | 30 | 400 | 45 | 9 | 250 | 8.4 | 3.84 | 49.8 | 53 | 15 | 800 | 336 | 10 | 100 | 45 | 3 | 250 | 13.6 | 6.25 | 24.3 | 54 | 15 | 800 | 338 | 30 | 100 | 45 | 9 | 250 | 8.8 | 4.43 | 49.7 | 55 | 15 | 800 | 338 | 10 | 400 | 45 | 9 | 250 | 7 | 3.94 | 31.0 | 56 | 15 | 800 | 337 | 30 | 400 | 45 | 3 | 250 | 8.6 | 5.87 | 43.9 | 57 | 60 | 450 | 451 | 10 | 100 | 45 | 3 | 250 | 8.1 | 6.49 | 22.6 | 58 | 60 | 450 | 452 | 30 | 100 | 45 | 9 | 250 | 7.6 | 4.63 | 48.2 | 59 | 60 | 450 | 452 | 10 | 400 | 45 | 9 | 250 | 9.3 | 4.13 | 29.4 | 60 | 60 | 450 | 452 | 30 | 400 | 45 | 3 | 250 | 8.3 | 6.11 | 42.2 | 61 | 37.5 | 625 | 625 | 20 | 250 | 30 | 6 | 200 | 6.2 | 4.2 | 35.4 | 62 | 37.5 | 625 | 511 | 20 | 250 | 30 | 6 | 250 | 8 | 4.84 | 35.3 | 63 | 37.5 | 625 | 625 | 20 | 250 | 15 | 6 | 225 | 9 | 4.26 | 35.3 | 64 | 37.5 | 625 | 625 | 20 | 250 | 45 | 6 | 225 | 3.6 | 4.87 | 35.4 | 65 | 15 | 625 | 395 | 20 | 250 | 30 | 6 | 225 | 7.3 | 4.31 | 35.9 | 66 | 60 | 625 | 628 | 20 | 250 | 30 | 6 | 225 | 7.6 | 4.51 | 35.0 | 67 | 37.5 | 450 | 452 | 20 | 250 | 30 | 6 | 225 | 6.5 | 4.44 | 35.6 | 68 | 37.5 | 800 | 580 | 20 | 250 | 30 | 6 | 225 | 7.6 | 4.45 | 35.3 | 69 | 37.5 | 625 | 625 | 20 | 100 | 30 | 6 | 225 | 4.8 | 4.97 | 35.4 | 70 | 37.5 | 625 | 625 | 20 | 400 | 30 | 6 | 225 | 7.5 | 4.27 | 35.4 | 71 | 37.5 | 625 | 625 | 10 | 250 | 30 | 6 | 225 | 6.3 | 4.61 | 26.1 | 72 | 37.5 | 625 | 625 | 30 | 250 | 30 | 6 | 225 | 5.7 | 4.5 | 45.4 | 73 | 37.5 | 625 | 625 | 20 | 250 | 30 | 3 | 225 | 7.4 | 5.61 | 32.4 | 74 | 37.5 | 625 | 625 | 20 | 250 | 30 | 9 | 225 | 5.6 | 3.63 | 38.3 | 75 | 37.5 | 625 | 625 | 20 | 250 | 30 | 6 | 225 | 7.2 | 4.54 | 35.3 | 76 | 60 | 800 | 800 | 10 | 100 | 45 | 9 | 250 | 7.65 | 4.31 | 28.2 | 77 | 60 | 800 | 800 | 30 | 100 | 45 | 3 | 250 | 8.01 | 5.66 | 42.2 | 78 | 60 | 800 | 800 | 10 | 400 | 45 | 3 | 250 | 11.2 | 4.53 | 21.9 | 79 | 60 | 800 | 800 | 30 | 400 | 45 | 9 | 250 | 4.88 | 2.51 | 47.4 |
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