Strength Testing

Test

Slice

Time

Settings

Status

Comment

Image slice

Image samples

Start temp

End temp

Video

1

1:24:02

Passes: 5 x 1mm

Power: 100%

Speed: 0.1 - 1.0 mm/s

Samples: 2 x 10

Startheight: 68

Failed

Mill bit broke at 0.6 mm/s

- Last pass of first 0.6 sample.

- 1:04:20 in video.

- Lots of vibration

Collection:

Dropping	Popping	Cigar snipping	Did not fall
0	0	0	10

Samples hitting sample tube:

Hit 1	0
Miss 1	0

Speed comments:

0.1
0.2
0.3
0.4
0.5
0.6

-23

-19

-22

-20

http://youtube.com/watch?v=t998UHf4eSo

2

26:24

Passes: 6 x 1mm

Power: 100%

Speed: 0.4 mm/s

Samples: 20

Startheight: 68

Failed

Mill bit broke on sample 5

Collection:

Dropping	Popping	Cigar snipping	Did not fall
0	0	0	4

Samples will not drop. Perhaps we need to use popping on this material

Samples hitting sample tube:

Hit 4	0
Miss 4	0

Speed comments:

-14

-11

-15

-12

http://youtube.com/watch?v=HGu9_iVJJV8

3

1:37:20

Passes: 5 x 1mm

Power: 100%

Speed: 0.3 mm/s

Samples: 20

Startheight: 68

Failed

Mill bit broke on sample 7

- 1 sample took to complete

Collection:

Dropping	Popping	Cigar snipping	Did not fall
0	0	0	6

Samples will not drop. Perhaps we need to use popping on this material

Samples hitting sample tube:

Hit 4	0
Miss 4	0

Speed comments:

-11

-7

-12

-10

http://youtube.com/watch?v=Tvmrc5HdTLE

Very little frost on the leadscrews this morning

4

26:29

Passes: 5 x 1mm

Power: 100%

Speed: 0.2 mm/s

Samples: 12

Startheight: 68

Failed

Moved the start and finish position into the g-code insertion tab.

Mill bit broke on sample 3

- Seems to hit an eigenfrequency.

- 1 sample took 8:30 to complete

Collection:

Dropping	Popping	Cigar snipping	Did not fall
0	0	0	2

Samples will not drop. Perhaps we need to use popping on this material

Speed comments:

-20

-19

-21

-18

http://youtube.com/watch?v=hxwOveGzC4Q

5

4

27:21

Passes: 5 x 1mm

Power: 100%

Speed: 0.1 mm/s

Samples: 9

Startheight: 68

Failed

Mill bit broke on sample 1

- The middle of the kidney is a different tissue type and is a lot more dense and solid than the rest of the kidney

- 1 sample took 10:00 to complete

Collection:

Dropping	Popping	Cigar snipping	Did not fall
0	0	0	0

Samples will not drop. Perhaps we need to use popping on this material

-16

-12

-17

-14

http://youtube.com/watch?v=MnCjk8sDsBc

6

4

--

Passes: 5 x 1mm

Power: 100%

Speed: 0.02 mm/s

Samples: 3

Startheight: 68

Failed

Mill bit broke on sample 2

Even though speed setting was set at 0.02mm/s, the axes still moved at equal speeds as to that of 0.1mm/s

- 1 sample took 10:00 to complete

http://youtube.com/watch?v=c6OOUnGORi8

7

4

35:02

Passes: 20 x 0.25 mm

Power: 100%

Speed: 0.2 mm/s

Samples: 1

Startheight: 68

Success

Sample showed signs of dropping.

-16

-14

-18

-15

http://youtube.com/watch?v=A6GAd3TdGRc

Freezer was very little affected by a night spent cooling. No frost on leadscrews.

8

5

1:45:51

5:25:15

=

7:11:06

Passes:

50 x 0.10mm
25 x 0.20mm
20 x 0.25mm
10 x 0.50mm

Power: 100%

Speed: 0.2 mm/s

Samples: 4 x 4

Startheight: 68

Failed

I stopped the test after sample 2 (from the bottom)

Mill bit broke on sample 2 of 10 x 0.50mm.

Collection:

Dropping	Popping	Cigar snipping	Did not fall
12	0	0	1

Every setting, except 10x0.5mm, resulted in the sample dropping.

Cut quality seems equal in the 3 slower settings.

Samples hitting sample tube:

Hit 1	10
Miss 1	2

-15

-12

-24

-22

-16

-14

-21

-18

-

http://youtube.com/watch?v=4_F-SFQzjqw

9

6

4:05:33

Passes:

18 x 0.28mm
16 x 0.31mm
14 x 0.36mm
12 x 0.42mm

Power: 100%

Speed: 0.2 mm/s

Samples: 4 x 4

Startheight: 68

Failed

Mill bit broke on sample 2 of 12 x 0.42mm.

Collection:

Dropping	Popping	Cigar snipping	Did not fall
6	0	0	7

Sample dropping was less consequent at these speeds

Samples hitting sample tube:

Hit 1	0
Miss 1	6

-14

-8

https://youtu.be/MyNhmobz5K0

10

7

4:03:07

Passes:

20 x 0.25mm
14 x 0.36mm

Power: 100%

Speed: 0.2 mm/s

Samples: 2 x 7

Startheight: 68

Failed

Mill bit broke on sample 1 of 14 x 0.36mm.

Collection:

Dropping	Popping	Cigar snipping	Did not fall
4	0	0	3

Sample dropping was less consequent at 20x0.25mm than earlier hypothesized.

Samples hitting sample tube:

Hit 1	2
Miss 1	2

-16

-12

-18

-16

http://youtube.com/watch?v=vM0MhvuJfWY

Mass testing

Test

Slice

Time

Settings

Status

Comment

Image slice

Image samples

Start temp

End temp

Video

11

8

3:38:06

Passes: 20 x 0.25mm

Power: 100%

Speed: 0.2 mm/s

Samples: 6

Startheight: 68

Success

Collection:

Dropping	Popping	Did not fall
6	0	0

Samples hitting sample tube:

Hit 1	0
Miss 1	0

The mill bit did have some unnecessary passes, but these can be good to ensure redundancy in the milling process.

-12

-6

https://youtu.be/o75eZtHxCm4

12

9

3:38:06

Passes: 20 x 0.25mm

Power: 100%

Speed: 0.2 mm/s

Samples: 6

Startheight: 68

Failed

Spindle didnt start

-20

-17

http://youtube.com/watch?v=3s3xHDdGzrs

13

9

3:38:06

Passes: 20 x 0.25mm

Power: 100%

Speed: 0.2 mm/s

Samples: 6

Startheight: 68

Success

All samples were milled out, but the spindle still broke at the end. Never seen anything like it. Will have to analyze video.

Collection:

Dropping	Popping	Did not fall
6	0	0

Samples hitting sample tube:

Hit 1	3
Miss 1	3

-16

-11

https://youtu.be/tCgK6UHRWzc

14

10

3:38:06

Passes: 20 x 0.25mm

Power: 100%

Speed: 0.2 mm/s

Samples: 6

Startheight: 68

Success

Figured out why mill bit broke.

-Stopping spindle layer had offsett, which it shouldnt have had.

Collection:

Dropping	Popping	Did not fall

- Review video

Samples hitting sample tube:

Hit 1	4
Miss 1	2

-17

-12

-20

-17

https://youtu.be/7hUZv6F6kLE

15

11

3:37:53

Passes: 20 x 0.25mm

Power: 100%

Speed: 0.2 mm/s

Samples: 6

Startheight: 68

Success

Slightly less time because samples were moved to a slighlty more optimized locatin relatively to the starting position of the mill

Collection:

Dropping	Popping	Did not fall

- Review video

Samples hitting sample tube:

Hit 1	5
Miss 1	1

-13

-5

https://youtu.be/jv2Fc7wE1Sc

16

12

3:37:50

Passes: 20 x 0.25mm

Power: 100%

Speed: 0.2 mm/s

Samples: 6

Startheight: 68

Success

Collection:

Dropping	Popping	Did not fall

- Review video

Samples hitting sample tube:

Hit 4	3
Miss 4	3

-18

-11

-20

-17

https://youtu.be/CyZ7cppVHDo

17

13

3:37:50

Passes: 20 x 0.25mm

Power: 100%

Speed: 0.2 mm/s

Samples: 6

Startheight: 68

Success

Collection:

Dropping	Popping	Did not fall

- Review video

Samples hitting sample tube:

Hit 4	6
Miss 4	0

-14

-7

-27

-24

https://youtu.be/nWgy0lCxunc

18

14

3:37:50

Passes: 20 x 0.25mm

Power: 100%

Speed: 0.2 mm/s

Samples: 6

Startheight: 68

Success

Collection:

Dropping	Popping	Did not fall

- Review video

Samples hitting sample tube:

Hit 4	5
Miss 4	1

-23

-19

-21

-20

https://youtu.be/mf_LPr4Akbk

19

15

3:37:50

Passes: 20 x 0.25mm

Power: 100%

Speed: 0.2 mm/s

Samples: 6

Startheight: 68

Success

Collection:

Dropping	Popping	Did not fall

- Review video

Samples hitting sample tube:

Hit 4	6
Miss 4	0

-17

-11

-21

-19

https://youtu.be/ITFLPiEcwY8

20

16

3:37:50

Passes: 20 x 0.25mm

Power: 100%

Speed: 0.2 mm/s

Samples: 6

Startheight: 68

Success

Collection:

Dropping	Popping	Did not fall

- Review video

Samples hitting sample tube:

Hit 4	1
Miss 4	5

-17

-12

https://youtu.be/qsDNUXULQW0

21

17

3:37:53

Passes: 20 x 0.25mm

Power: 100%

Speed: 0.2 mm/s

Samples: 6

Startheight: 68

Success

Collection:

Dropping	Popping	Did not fall

- Review video

Samples hitting sample tube:

Hit 4	6
Miss 4	0

-21

-18

-20

-18

https://youtu.be/EMuabEBNzCg

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