Ultimaker 1

Ultimaker #1, also known as "Guy"

This page documents Ultimaker #1 (Guy)

Status

• This Ultimaker is currently non-functional
• Uses 3mm filament. Has also been fitted for ABS use.
• It is managed and accessible from the web GUI: http://octopi.hacklab.to/

Machine Log

Date	Notes	Entry By
June 8, 2013	Added tool holder onto side of Ultimaker	Norm
May 14, 2013	Tensioned X/Y belts, switched to white PLA and tested new experimental settings. Readjusted Z bed height, printed stuff.	Norm
May 11, 2013	Rod endcaps removed, threadlock (blue) applied to the M3 screws and setscrews locked into place to prevent loosening. Lubricated Z axis and gantry system. Experimented with white PLA, requires special settings. Returned to orange PLA.	Norm
May 1, 2013	Printed and mounted new Z home switch retaining mechanism and calibrated. Z homing much more accurate. Observed further inconsistent extrusion, further investigation found online that the knurled bolt is only useful for the last 3 mm nearest the groove for the delrin clip. Adjusted bolt positioning to move good knurling into position, no further grinding or slipping observed, consistent solid extrusion demonstrated.	Norm
April 30, 2013	Installed new e-panel composite based build platform.	Geordie
April 29, 2013	Printed and installed new extruder feed gear to reduce backlash during retraction. Observed inconsistent extrusion. Small gaps appearing in extrusion, yet full infill occurring on layers otherwise (ie: not clogged). Investigation pointing towards slipping knurled bolt in feeder, or more likely, old wet PLA causing problems.	Norm
April 27, 2013	Print quality degraded significantly mid-print. Hot end disassembled, burnt PLA removed from brass tube, and dust/dirt removed from teflon-PEEK interface. Print quality returned to normal. Clogged again, cleaned more thoroughly this time. (Used 1/8" drill bit to handheld scrape out burnt PLA very carefully. PLA diameter changed.	Norm
April 24, 2013	Squeaking noise observed from Y axis axle. Endcap inset screw noticed to be loose, requires new endcap to be printed, and screw not to be overtightened.	Norm
April 12, 2013	Bed leveling assist tool printed and built.	Norm
April 8, 2013	Belts retensioned, new bearing endcaps installed to reduce backlash further.	Norm
April 6, 2013	Z axis calibration fixed, Z steps/mm in new profile on Git. X/Y axis backlash observed, infill not meeting walls, delamination observed.	Norm
March 31, 2013	Z axis calibration issues observed. 25mm Test cube showed ~6.8% Z axis error.	Norm