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Rat Rig Community [Unofficial]deep-jade
Issues w. extruder stepper (LDO-36STH20-1004AHG from lgx lite) since upgrade from RO2.0.0 to v2.0.1
my stepper doesn´t work since the upgrade and reflashing the sd card. The stepper doesn´t react, no error messages. I can easily move it by hand. changing the tmc2209 didn´t help. Voltage measurements at the board plug and later on the first wagos are ok. The links in the settings checked. what can it be? I have also a nema14 17 mm 8T from moons lying around for replacement or testing.
blacksmithforlife•346d ago
if you command it via the mainsail interface does it work? If so you probably have a mismatch between relative and absolute extrusion in your printer.cfg and your slicer
deep-jade•346d ago
thanks. solved. the new template is a bit even more diffrent than the previous version. I needed to include some more settings from the template.
miklschmidt•346d ago
What template? There's nothing backwards incompatible from 2.0.0 to 2.0.1 in printer.cfg..?
deep-jade•346d ago
the extruder stepper started to work again after me adding:
[extruder]
step_pin: e_step_pin
dir_pin: e_dir_pin #deleted !
enable_pin: !e_enable_pin
microsteps: 64
[tmc2209 extruder]
uart_pin: e_uart_pin
run_current: 0.5
to the printer.cfg
miklschmidt•346d ago
This is very much not necessary
Also there's no changes in regards to this from 2.0.0 to 2.0.1, are you sure you're not talking about a 1.2 to 2.0 upgrade? in which case you should not try to adapt your exiting printer.cfg.
Rather you should go through the new v2 printer.cfg and reuse values from your old printer.cfg where applicable
deep-jade•346d ago
For me it was as you can read from my post above. I am sure we are talking about the 2.0.0 to 2.0.1 upgrade. As you remember we talked already about the 1.2 to 2.0.0 upgrade. The copying to much into printer.cfg from 1.2 into 2.0.0 lead to a strange behavior by homing. Maybe_home didn't work. The excluding of a dead zone at x_mid/y_min didn't work.
I followed your recommendations and made a clean flash with a soft editing of the existing printer.cfg template. Yes, I read you RO doc carefully. And I changed also all the customable x-positions after canceling or pause or for safe homing. It works but with several unnecessary movements during z-homing to my predefined x=100 position. Somehow I needed to change x for the safe z homing to 100 too. Otherwise, the print head moves to the dead zone. Now my printer is full of unnecessary stuff. But it prints.
miklschmidt•345d ago
If you post your printer.cfg i'll take a look and see what's up
deep-jade•341d ago
finally got access to my printer
deep-jade•341d ago
I get a heavy underextrusion. Then discovered the run current is set to 0.5. In the ldo/36sth20-1004ahg it´s set to 0.707 A. Even after changing the current to 0.707 the stepper stucks at extruding 20 mm/s (50 mm³/s). Bevor I could extrude 100+ mm³/s with the 100 W Goliath. What is wrong now?
there is another stepper setting with 0.85 A. Bondtech recommends 0.45-0.60 A. What is the good value for the stepper?
blacksmithforlife•341d ago
You probably have a mismatch between slicer and klipper setting on absolute vs relative extrusion
miklschmidt•341d ago
All this is a really bad idea. Remove all of that, stick with the defaults, only add stuff you actually need to change. You're killing all the config logic.
You have a toolboard, but you're using the pins from the control board for some reason:
You overriding a bunch of extruder pins with control board pins instead of the toolboard pins later in the config as well:
The amount of changes you've made here is nuts. Most of them isn't needed.
The problem is your modifications, not RatOS.
deep-jade•313d ago
I don´t use the ebb42 I have once installed
I do always check the extrusion with the calibration box by measuring the wall thickness. I don´t think it would go that well by mismatching of the relative and absolute extrusion. I found my VzHexutrodort gets partly clogged. Then I see the missing links in the print lines.
it´s honestly saying not the way I expected to get support. Pls tell me what I need to change. it´s also fine to me if you refer to the documenation where I can find the information required. For now my configuration works quite stable. Even having some unneeded movements during homing. I am ok with the few seconds more it costs. I am mid in the 20 kg of printed parts project. After I am going to take a closer look into my config.
miklschmidt•312d ago
There are way too many things to sort through. Start from scratch (stock template), then modify one thing at a time, then you know exactly what causes the problems.
Don't copy all variables and values from macros.cfg into your printer.cfg's macro configuration section, that destroys all include logic.
And keep your modifications to USER OVERRIDES.
3dRig•160d ago
Hi, i have the same issue, where do you write those commands?
miklschmidt•160d ago
Hi!
Please start your own thread, it's highly unlikely this is related to your situation.
3dRig•160d ago
Hi, i think i spotted the problem
3dRig•160d ago
3dRig•160d ago
The bearing is missing so its causing the extruder not to operate properly
miklschmidt•160d ago
yeah that's not good
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