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I cleaned the shafts, clipped them back in and lubricated with machine oil but when I try moving the head with my hands, its VERY tough to move. i tried tightening the belts, but the motor is moved to its maximum position.
These are the things that i would try first:
1.
There are two linear roll bearings in the printhead. Since the printhead has already cracks... check if these bearings are still seated in the correct position and orientation (not twisted or tilted).
2.
Oil can resinify / gum over time, so take sure that any old residue is thoroughly wiped off (with a paper towel and rubbing alcohol). That counts for all 6 horizontal shafts and the two vertical shafts of the z-axis.
For re-oiling of the 8mm shafts only use light oil. Oil that is meant to be used for sewing machines works best.
3.
To rule out a broken stepper motor: loose the x and y motors, so that you can remove the short belts from the motor shaft. This will not affect the perpendicular gantry system, so it's an easy ("non-destructive") test.
Move the printhead and rotate the motor shafts by hand to check where the actual resistance comes from.
All of this with a non-powered printer of course. 🙂
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Cura 5.7 is here and it brings a handy new workflow improvement when using Thingiverse and Cura together, as well as additional capabilities for Method series printers, and a powerful way of sharing print settings using new printer-agnostic project files! Read on to find out about all of these improvements and more.
S-Line Firmware 8.3.0 was released Nov. 20th on the "Latest" firmware branch.
(Sorry, was out of office when this released)
This update is for...
All UltiMaker S series
New features
Temperature status. During print preparation, the temperatures of the print cores and build plate will be shown on the display. This gives a better indication of the progress and remaining wait time. Save log files in paused state. It is now possible to save the printer's log files to USB if the currently active print job is paused. Previously, the Dump logs to USB option was only enabled if the printer was in idle state. Confirm print removal via Digital Factory. If the printer is connected to the Digital Factory, it is now possible to confirm the removal of a previous print job via the Digital Factory interface. This is useful in situations where the build plate is clear, but the operator forgot to select Confirm removal on the printer’s display. Visit this page for more information about this feature.
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tinkergnome 927
These are the things that i would try first:
1.
There are two linear roll bearings in the printhead. Since the printhead has already cracks... check if these bearings are still seated in the correct position and orientation (not twisted or tilted).
2.
Oil can resinify / gum over time, so take sure that any old residue is thoroughly wiped off (with a paper towel and rubbing alcohol). That counts for all 6 horizontal shafts and the two vertical shafts of the z-axis.
For re-oiling of the 8mm shafts only use light oil. Oil that is meant to be used for sewing machines works best.
3.
To rule out a broken stepper motor: loose the x and y motors, so that you can remove the short belts from the motor shaft. This will not affect the perpendicular gantry system, so it's an easy ("non-destructive") test.
Move the printhead and rotate the motor shafts by hand to check where the actual resistance comes from.
All of this with a non-powered printer of course. 🙂
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