HackerBot pre-flight check

HackerBot Documentation

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Finalize assembly

1. Axis support plate should be orthogonal to the base. Use a caliper to check that distance between plates, shafts, etc. are equal
2. tighten the (four) support plates screws
3. move the Head to a corner and tighten the relative screws (only the screws thats belong to the support plate), then move to the other corners and do the same.
4. tighten the cubic slider grub screw and check if the Head move smoothly. Head should be moving with little force applied to both sliders.
5. pull the cubic sliders belt and tighten the belt clamps
6. Check Z axis. It should move up and down very smoothly. Center it and tighten the screws.
7. double check hotend grub screw. DONT tighten too much
8. fasten and mark every other screw
9. use a drop of oil on shafts
10. grease on trapezoidal screw

Electrical

1. ELECTRICAL CHECK SHOULD BE DONE WITHOUT POWER CABLE CONNECTED!
2. check that glue has been applied to the mains power (check build manual)
3. gently pull every cable and check that are really well fixed
4. Check fuse
5. Connect controller with USB cable and do a check.
6. Test power supply only. BE VERY CAREFUL, you should do electrical wirings and check ONLY if you are a tech.
7. Power the controller & motors. Check LCD temps, heat hotends, heat heatbed, move motors.
8. Check motor direction
9. Check endstops (M119) and trying HOMING (G28). Usually first movements are jerky.
10. Check Z axis doing a G1 Z[max] (ex: G1 Z250)

Printer TEST

1. Move manually head on the PrintBed and fine tune the Z: nozzles should touch the printbed
2. Check that the Z zero is OK in all the four corner of the printbed
3. Home and double check that hotends hover the PrintBed
4. Check Heaters and HeadBed temperature

• (preheat) turn on Heatbed: M140 S60
• (preheat) turn on extruder: M104 S100
• clean extruder from thermal paste and, if any, check temp with an external thermometer
• test FAN1: M106 S255 (off: M106 S0)
• test FAN2: M42 P8 S200 (off: M42 P8 S0)
• turn on extruder: M104 S260 . AND test extrusion directly pushing ABS into the hotend.
• NO burnt smell? we're almost done!
• check extruder motor correct direction. Try to extrude some filament: G1 E10 F1000 ; G92 E0
• TEST HOMING
• Test the printer moving axis from the LCD panel.
• Use the File:Vertex-max speed Hackerbot printer test.STL with no extruder active
• Test the printer at 100% feed rate (so 50mm/s print, 200mm/s travel)
• Test the printer at 200% feed rate (so 100mm/s print, 400mm/s travel)
• Repeat test with File:Vertex-max speed Hackerbot printer test.STL with extruder active
• Extruder should not lose filament

Test print area and basic motion

Slice and print: File:Square-hex-circle Hackerbot printer test.STL

This is a pretty good test to check the printer.

Test rapid moves / max speed

Slice and print: File:Vertex-max speed Hackerbot printer test.STL

The printer should move correctly with rapids not loosing steps.

Test print quality

ABS:

1. File:Fishbone Gear.stl

PLA:

1. File:BotRobot.STL

** PRINTER READY TO GO **