Table 3.
Test results for PLA material.
| Variable Parameter | Set Number (as in Table 1) | Mean Weight of Set, kg (st. dev.) | Mean UTS, MPa (st. dev.) | Mean Density of Set, kg/m3 | Mean STS of Set, Nm/kg |
|---|---|---|---|---|---|
| temperature | 1 | 0.00923(8.80× 10−5) | 12.071(0.78) | 588.18 | 20521.9 |
| 2 | 0.00950(7.62× 10−5) | 13.342(0.54) | 605.17 | 22047.3 | |
| 3 | 0.00993(4.40× 10−5) | 15.492(0.22) | 632.77 | 24482.2 | |
| 4 | 0.01015(3.81× 10−5) | 17.137(0.49) | 646.58 | 26503.7 | |
| 5 | 0.01022(9.59× 10−5) | 18.429(0.56) | 650.82 | 28316.9 | |
| infill type | 6 | 0.00992(2.20× 10−5) | 15.083(0.49) | 631.71 | 23876.9 |
| 7 | 0.00997(7.93× 10−5) | 13.981(0.19) | 634.90 | 22020.4 | |
| 8 | 0.00985(6.60× 10−5) | 14.256(0.76) | 627.47 | 22720.5 | |
| infill percentage | 9 | 0.00753(2.20× 10−5) | 12.510(0.82) | 479.89 | 26069.2 |
| 10 | 0.00993(2.20× 10−5) | 12.978(0.20) | 632.77 | 20509.7 | |
| 11 | 0.01213(5.82× 10−5) | 14.023(0.08) | 772.92 | 18142.5 | |
| 12 | 0.01482(9.59× 10−5) | 19.522(0.20) | 943.85 | 20683.3 | |
| 13 | 0.01588(9.59× 10−5) | 19.949(0.51) | 1011.80 | 19716.3 | |
| layer height | 14 | 0.00802(4.40× 10−5) | 11.470(0.56) | 510.68 | 22460.9 |
| 15 | 0.00960(3.81× 10−5) | 12.541(0.02) | 611.54 | 20507.3 | |
| 16 | 0.01075(0.00000) | 14.058(0.09) | 684.80 | 20528.7 | |
| orientation | 17 | 0.01072(4.40× 10−5) | 21.699(0.21) | 682.67 | 31785.3 |
| 18 | 0.01128(2.20× 10−5) | 9.548(0.15) | 718.77 | 13284.2 | |
| 19 | 0.00992(0.00013) | 15.452(0.44) | 631.71 | 24461.0 |