Sara Kit Certification

Build Space

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Main Checklist

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Electronics Checklist

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Build

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Kit Build

Time Lapse

One can study the time lapse in detail to understand the build time. This time lapse should span about 7-8 hours. Rework time was about 1.2 hours.

Time Log

And comments. Time is in minutes. Negative sign - time to be subtracted and added to the Kit Prep phase, not Build Phase. Total time of build does not include negative times.

1. 15:42 - Start. Unpack. Weld frame. Set up camera. Includes going from house to workshop. Time: Frame: 37-
2. 16:19 - Axis assembly start. Y + Z rear. Missing tool: tape spacer. Time: 7
3. 16:26 - Error warning: set screw allen wrench short side wore out mid way. Got another one. Time: -2
4. 16:28-16:34 - Cleaning out idler pieces . Time: -7
5. 16:35 - Tape on bearings. Not needed in practice. Time: -3
6. 16:39 - Finished bearing insertion for all axes. Time: 2
7. 16:56 - Y left finished - Time: 25 minutes
8. 17:03 - Z back finished - Time - 7 minutes
9. 17:15 - Y right, Z front done - Time - 12 minutes. Total for all axes outside of X - 44
10. 17:23 - Y left and Z back axes mounted on frame. Time - 8
11. 17:29 - Y right, Z front hung on frame - Time - 6
12. 17:32 - Thermistor and PEI fix - Time - -3
13. 17:35 - Glue PEI. Time - 13
14. 17:48 - One heat bed nut was too small on the inside. Got another. -10

BREAK

1. 18:53 - Nut catcher holes in idler pieces were droopy, reamed out to fit nuts. -2
2. 18:55 - Z platform start.
3. 18:58 - Z platform done (without bed attachment still) Time: 3
4. 19:10 - X axis done. Time: 12 minutes.
5. 19:15 - Y endstop glued on Y axis. Both endstops inserted into holders and one glued in. 5. Started power supply.
6. 19:18 - 5 power supply screws came off. 1 was lost. Power supply power cord zip tie loose and below power supply. Power supply cord fixed to the top. Replaced screws. Time: -7
7. 19:22 - Started control panel. MOSFET dangles forward.
8. 19:37 - Control panel done. Time: 15
9. 19:39 - Extruder sensor did not fit in extruder sensor holder. Reamed. Time: -1
10. 20:10 - Extruder finished - Time: 32
11. 20:21 - X axis mounted - Time: 11

Issues Log

1. 2 top half circles of carriage pieces all had extra plastic on them. Needed cleaning.
2. Thermistor head was on top face, not in hole:

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Evaluation

Overall kit evaluation is this based on Kit Certification#Evaluation

Links

• Kit Certification
• Current Material inventory - [1]
• 3D Printer Logs - for parts production