Strength testing
| Test | Slice | Time | Settings | Status | Comment | Image slice | Image samples | Start temp | End temp | Video | ||||||||||||||||||||||||||||
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| 1 | 1 | 3:36:43 | Passes: 10 x 0.5mm Power: 100% Speed: 0.2 - 2.3 mm/s Samples: 3 x 22 Startheight: 68 | Failure | Mill bit broke on sample 2 of 0.4 mm/s Fracture probably happened during pass transition at 01:24:25. Seems samples need more spaceing, since tissue is softer. Current spacing is 1 mm. All samples at 0.3mm/s did not completely detach from the slice. Collection:
- Review video Samples hitting sample tube:
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| -16 -14 | -18 -16 | |||||||||||||||||||||||||||||
| 2 | 2 | 4:03:06 | Passes: 20 x 0.25mm Power: 100% Speed: 0.2 - 0.7 mm/s Samples: 3 x 6 Startheight: 68 | Success | Collection:
Samples hitting sample tube:
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| -10 -5 | -26 -25 | |||||||||||||||||||||||||||||
| 3 | 3 | 2:42:20 | Passes: 20 x 0.25mm Power: 100% Speed: 0.8 - 2.2 mm/s Samples: 3 x 15 Startheight: 68
| Failed | Mill bit broke on sample 1 of 1.9 mm/s Collection:
Samples hitting sample tube:
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| -17 -11 | -19 -16 | |||||||||||||||||||||||||||||
| 4 | 4 | 2:09:09 | Passes: 20 x 0.25mm Power: 100% Speed: 1.7 mm/s Samples: 45 Startheight: 68 Offset: -6 (same as every test before) | Failed | Mill bit broke on sample 8 on first pass - The right side of the slice becomes raised at 20:40 - 20:45 because of too little support from the arms. This caused the first pass of sample 8 to be too deep. Collection:
Samples hitting sample tube:
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| -13 -10 | -14 -12 | |||||||||||||||||||||||||||||
| 5 | 5 | 4:20:27 | Passes: 24 x 0.25mm Power: 100% Speed: 1.1 - 1.7 mm/s Samples: 8 x 7 Startheight: 68 Offset: -5 | Success | Collection:
The cut quality seems higher on 1.1 mm/s than 1.7. Even though the mill bit did not break i would recommend max speed at 1.3 mm/s. Samples hitting sample tube:
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| -12 -11 | -17 -14 |
Confirmatory testing
| Test | Slice | Time | Settings | Status | Comment | Image slice | Image samples | Start temp | End temp | Video | ||||||||||||||||||||||||||||
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| 6 | 6 | 52:59 | Passes: 24 x 0.25mm Power: 100% Speed: 1.3 mm/s Samples: 6 Startheight: 68 Offset: -5 | Success | Collection:
Samples hitting sample tube:
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| -12 -10 | ||||||||||||||||||||||||||||||
| 7 | 7 | 52:54 | Passes: 24 x 0.25mm Power: 100% Speed: 1.3 mm/s Samples: 6 Startheight: 68 Offset: -5 | Success | Collection:
Samples hitting sample tube:
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| -18 -10 | -18 -15 | |||||||||||||||||||||||||||||
| 8 | 8 | 17:18 | Passes: 24 x 0.25mm Power: 100% Speed: 1.3 mm/s Samples: 6 Startheight: 68 Offset: -5 | Failed | The "pipes" in the lungs are much harder than the rest of the lung, which caused the slice to break. Increased vibrations can be seen on each pass over these areas. Collection:
Samples hitting sample tube:
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| -14 -8 | -14 -10 | |||||||||||||||||||||||||||||
| 9 | 8 | Passes: 24 x 0.25mm Power: 100% Speed: 1.0 mm/s Samples: 6 Startheight: 68 Offset: -5 | Collection:
Samples hitting sample tube:
| -11 -7 | ||||||||||||||||||||||||||||||||||
| 10 | 9 | Passes: 24 x 0.25mm Power: 100% Speed: 1.3 mm/s Samples: 6 Startheight: 68 Offset: -5 | Collection:
Samples hitting sample tube:
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| 11 | 10 | Passes: 24 x 0.25mm Power: 100% Speed: 1.3 mm/s Samples: 6 Startheight: 68 Offset: -5 | Collection:
Samples hitting sample tube:
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| 12 | 11 | Passes: 24 x 0.25mm Power: 100% Speed: 1.3 mm/s Samples: 6 Startheight: 68 Offset: -5 | Collection:
Samples hitting sample tube:
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| 13 | 12 | Passes: 24 x 0.25mm Power: 100% Speed: 1.3 mm/s Samples: 6 Startheight: 68 Offset: -5 | Collection:
Samples hitting sample tube:
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| 14 | 13 | Passes: 24 x 0.25mm Power: 100% Speed: 1.3 mm/s Samples: 6 Startheight: 68 Offset: -5 | Collection:
Samples hitting sample tube:
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| 15 | 14 | Passes: 24 x 0.25mm Power: 100% Speed: 1.3 mm/s Samples: 6 Startheight: 68 Offset: -5 | Collection:
Samples hitting sample tube:
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