Creality CR-10 upgrade
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I did read. i have painted my bed with black matt oven spray paint and then all that 160C for one hour stuff. So, will IR bed probe and duet wifi do bed compensation or not, cause if it would there is no need even for Z compensation or i am mising something?
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Yes they will do bed compensation, see https://duet3d.com/wiki/Using_mesh_bed_compensation. However, it's best to get the bed as close to level as you can by manual means first, to reduce wear on the Z axis.
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Yes, i done that on other printer with shims.
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I would like to start tinkering with firmware and setting up the printer. I have some issues understanding some of the configuration tool parameters.
How to determine motor direction? Is this to do with motor polarity if its wired the wrong way, you just revers it? Next microstepping, leave it at x16 up it to the max?
Next:
I have NC microswitches on XYZ and DC42 IR probe.So my switches will be active high but what to do with IR bed probe, basicaly how to set up this section? I guess i want to set up as active high for X and Y and Z probe for Z?
Next:
Whats the bed output bang-bang?
Is there a way to determine Bed NTC K value of unknown thermistor?
I have ordered Daughter board for PT100 sensor with e3d sensor so E0 channel would be MAX31855 thermocouple 0 (where 0 is channel number)?
Next:
Again, using IR probe from duet3d.com, how to set up to probe more points on the bed? Would i need to add a code to compensation .g file manually?
Inversion of fan output does to do, again with wrong wiring?
What is the value in percentage for? -
Motor directions: set them all to forwards, then reverse any that are wrong
IR probe: select smart IR probe. Set trigger height to 1mm initially, and adjust it by editing the G31 command in config.g when you have measured it.
Microstepping: start with x16 and interpolation on.
See https://duet3d.com/wiki/Bed_levelling_using_multiple_independent_Z_motors and https://duet3d.com/wiki/Using_mesh_bed_compensation for bed levelling and mesh bed compensation. You can use bed levelling followed by mesh bed compensation if you want.HTH David
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How did it work out. I'm going to put a WiFi in my CR-10
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Still in progress. Have taken upon task changing motion system to linear guide rails. Basically little of creality will be present
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@MontyFlange - I am currently filming a video about converting a CR-10, and will also do a live stream installation. If you need any help just let me know.
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With prusa i3 mk3 anounced i wander if duet wifi hardware is capable of detecting skipped steps and could work without end stops by detecting current increase on hard stop?
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It would possible to do that, but it would need to be tuned to the particular motors and mechanics you made using. It's not especially accurate, because the stall detection is only updated every full step of the motor. You couldn't rely on it it to detect the stall on exactly the same full step each time. IMO it's a bit of a gimmick - like the automatic XY skew calibration in the i3 Mk2, which solves a problem that doesn't exist except in badly-made cheap 3D printer kits.
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When i was ordering my mk2 i was made thinking about XY skew correction to be a top notch tech but when i got thinking about it as you say just a gimmick, but that's what they have to do to get printer made of threaded rods(
) aligned. It was my first machine so i was not really familiar with cnc or 3D printers.
So basically all that stuff is just eye candy, except perhaps the bed. There is no need for layer shift detection cause if the machine is setup right it should not happen anyway unless you left part removal mallet on the rails.
What would you suggest to use for endsops? I have CR-10 mechanical switches and those geeetech optical endstops. Salvaged some resistors to replace and make them compatible with 3V as per guide. -
I have found mechanical switches to be entirely adequate. The optical ones should work well too. So use either.
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I would like to reduce some wiring going to the extruder assembly and was wandering if everyting on duet has common ground and if it is OK to tie up ground?
I would like to route common groung for extruder heater, pt100, 2 fans, stepper and ir sensor.
Thanks -
You can use a common +12V or +24V line for the extruder heater and both fans (assuming they are all the same voltage), because the Duet switches the ground side ot the supply to all those devices. That's all. Take the common positive supply from the extruder heater output, because the fan output connectors shouldn't carry more than 2A.
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OK. Got another weird question out of the blue, dont laugh. So i habe that IR probe with signal, ground and +3.3. What would happen if i will have a switch paralleled to IR ground and signal shorted? The probe is used before print and keepimg wiring to the minimum, what if simple filament runout sensor switch was hooked there? I am no electronics guy but would that might work?
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Btw, here is my extruder and all:
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OK. Got another weird question out of the blue, dont laugh. So i habe that IR probe with signal, ground and +3.3. What would happen if i will have a switch paralleled to IR ground and signal shorted? The probe is used before print and keepimg wiring to the minimum, what if simple filament runout sensor switch was hooked there? I am no electronics guy but would that might work?
I don't see why you would want to connect a filament runout sensor to the Z probe input. Filament monitors are normally connected to spare endstop inputs.
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Started wiring. Got the X and Z working fine. Still need to wire in some end stops.
Do i need mechanical endstop on Z if i have IR bed probe?
The thing that buggers me though is the constant disconnect with message:
An AJAX error has been reported, so the current session has been terminated.
Please check if your printer is still on and try to connect again.
Error reason: timeout
Then i get:
Could not establish a connection to the Duet firmware! Please check your settings and try again.
After some refreshes it connects but it repeats.
I have read about signal strength but have no clue why, i think i have good connection, probably 6m away. -
See https://duet3d.com/wiki/WiFi_disconnections_and_AJAX_timeout_errors to start with.
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[[language]] M122 === Diagnostics === Used output buffers: 3 of 32 (8 max) === Platform === RepRapFirmware for Duet WiFi version 1.19 running on Duet WiFi 1.0 Board ID: 08DDM-9FAM2-LW4S4-6JKF0-3SD6J-T2SVX Static ram used: 21176 Dynamic ram used: 95928 Recycled dynamic ram: 1680 Stack ram used: 1304 current, 4840 maximum Never used ram: 7448 Last reset 00:01:19 ago, cause: power up Last software reset reason: User, spinning module GCodes, available RAM 7448 bytes (slot 3) Software reset code 0x0003, HFSR 0x00000000, CFSR 0x00000000, ICSR 0x00400000, BFAR 0xe000ed38, SP 0xffffffff Error status: 0 Free file entries: 10 SD card 0 detected, interface speed: 20.0MBytes/sec SD card longest block write time: 0.0ms MCU temperature: min 21.0, current 26.2, max 28.4 Supply voltage: min 12.1, current 12.1, max 12.3, under voltage events: 0, over voltage events: 0 Driver 0: standstill Driver 1: standstill Driver 2: standstill Driver 3: standstill Driver 4: standstill Date/time: 2017-11-11 23:25:16 Slowest main loop (seconds): 0.008141; fastest: 0.000034 === Move === MaxReps: 0, StepErrors: 0, FreeDm: 240, MinFreeDm 240, MaxWait: 0ms, Underruns: 0, 0 Scheduled moves: 0, completed moves: 0 Bed compensation in use: none Bed probe heights: 0.000 0.000 0.000 0.000 0.000 === Heat === Bed heater = 0, chamber heater = -1 === GCodes === Segments left: 0 Stack records: 1 allocated, 0 in use Movement lock held by null http is idle in state(s) 0 telnet is idle in state(s) 0 file is idle in state(s) 0 serial is idle in state(s) 0 aux is idle in state(s) 0 daemon is idle in state(s) 0 queue is idle in state(s) 0 autopause is idle in state(s) 0 Code queue is empty. Network state is running WiFi module is connected to access point WiFi firmware version 1.19 WiFi MAC address 5c:cf:7f:ef:4d:9b WiFi Vcc 3.12, reset reason Turned on by main processor WiFi flash size 4194304, free heap 39848 WiFi IP address 192.168.2.144 WiFi signal strength -62dBm HTTP sessions: 1 of 8 Socket states: 2 0 0 0 0 0 0 0 Responder states: HTTP(1) HTTP(0) HTTP(0) HTTP(0) FTP(0) Telnet(0)
