QuoteBTW< did you mean that 4*60 is too fast for i3 clones?) Yes, sorry for the typo.by obewan - Firmware - Marlin
#define HOMING_FEEDRATE_Z (4*60) i think 4*60 is too fast for most I3 clones try changing the 4 to a 2 so 2*60by obewan - Firmware - Marlin
What version of cura, Can you attach the cura project file,then i can have a closer lookby obewan - Printing
You can also export slic3r config bundle in the file menu,by obewan - Slic3r
Make sure you have fitted the 3 jumper links under each stepper driver pcb. Allso in the configuration.h you will need to change the max feedrate for Z -#define DEFAULT_MAX_FEEDRATE { 300, 300, 5, 25 } change the above to #define DEFAULT_MAX_FEEDRATE { 300, 300, 2, 25 } then re upload the firmware to the mega followed by sending the following commands in pronteface M502 M50by obewan - RAMPS Electronics
The 8825 drivers are 1/32 steps with all 3 jumpers setby obewan - Reprappers
Not sure if this line affects homing but maybe worth trying in configuration.h disabled by default //#define Z_AFTER_PROBING 5 // Z position after probing is doneby obewan - Firmware - Marlin
maybe you need to comment these out if you only have 1 extruder/heater // #define TEMP_SENSOR_1 0 // #define TEMP_SENSOR_2 0by obewan - Firmware - Marlin
The Z offset value that is stored in the eeprom will over ride your updates in the config.h You can use the built in eeprom editor in repetier host to update the z offset (marlin uses a negative value here, so -18.6) or you can send the following comands to the printer to update the eeprom with the settings in config.h M502 ;read config.h values M500 ;store values to eepromby obewan - Firmware - Marlin
S1G diode standard recovery 400v 1Aby obewan - Prusa i3 and variants
For some unknown reason, i thought you were using cura slicer, Here is a simplify3d start code (not mine) that does the same as my cura code. edit out the bits you dont want. M80; power on M104 S140; pre heat nozzle M140 S; start warming the bed G1 Z15 F1000; lift the z 15 mm M117 Homing; G28; Home all 3 axis M117 auto leveling; G29; run auto level M190 S; set bed temp and wait for it to come uby obewan - Prusa i3 and variants
The M104 S150 is toget the extruder heating while the bed gets up to temp(its set to 150 so the nozzle doesn't dribble, When the bed reaches the desired temp the extruder should continue heating up to the 1st layer temp that you set in the slicer. This is the start G code that i use in cura 3.4.1by obewan - Prusa i3 and variants
Ok, didn't expect the temp drop after the intro line, try adding M104 S between the M140 and M109by obewan - Prusa i3 and variants
Try this M82 ; Extruder in absolute mode G28 W ; Home extruder G1 X0 Y0 Z5 F{Z_TRAVEL_SPEED} M107 ; Turn off fan G90 ; Absolute positioning M104 S150 ; start extruder heating M190 S ; set bed temp M140 S ;wait for bed temp M109 S ; Wait for all used extruders to reach temperature G92 E0 ; Reset extruder position G29 S ;level bed G1 X5 Y5 Z0.25 F1000.0 ; go intro start pos G1 X60.0 E9.0 F600by obewan - Prusa i3 and variants
In slic3r, open settings/printer settings/custom g-code add the G29 S after the G28 The S tells it to store the mesh into eeprom Dust's example start code above has some other good code but note it sets relative extruder mode(M83), use M82 for absolute mode. Afaik G80 is not used in Marlin codeby obewan - Prusa i3 and variants
You have to tell it to do the bed levelling via a G code, if it's marlin firmware, you send a G29by obewan - Prusa i3 and variants
According to the image The 6 pins to the right of the stepper drivers are fo T0 T1 T2 thermistors, the board has its own pullup resistors .by obewan - Reprappers
Have you set the bed size in the Cura printers settings tab.by obewan - Reprappers
Pls post a Gcode file upto 1st layer maybe its something in your slicer start code.by obewan - Firmware - Marlin
Q/ Have you fitted the 3 jumpers under the stepper driver pcb's on the ramps? , these set 1/16 microstepping mode. When you say you try moving the axis, do you mean by sending a g code like G1 X100 F2000 or by using the manual axis controls in repetier host?by obewan - Printing
Hi. So what is happening is the Z homing is getting the position of the probe trigger point (where it goes up and down), the firmware then is adding the setttings you have for Z probe Z offset of 2mm, (you should really set this to 0. it then adds the Z probe height (this is the value you adjust for the distance from bed too nozzle when the probe triggers. so set #define Z_PROBE_Z_OFFSET 0 (cby obewan - Printing
You have a normally open probe, yet in your config you have it configured as a normally closed which would account for it showing as triggered all the time. I have made the corrections in the atached config.h file, hopfully it should sort out the problem. I notice you have all 3 axis steps/mm set at 100, is this correct.by obewan - Printing
QuoteUnless it’s changed, I’m not sure you can do a Z probe without a Z Endstop Not the case now, i use repetier firmware and you can select the probe as the Z min endstop. can you post or link the complete config.h pls so i can load it into the oline config tool. What type of probe are you using ?by obewan - Printing
I think i see the problem, you are drawing the skin in the cad program with a line width,i think the 3dlab guys draw a skin with no width.by obewan - Slic3r
Do you have adaptive slicing enabled in print settings ?by obewan - Slic3r
Strange, in cura it shows only 1 wall when i slice a wing part. Can you attach or send me your stl that you tried.by obewan - Slic3r
4 numbers are for the X Y Z E motor speeds, the 300 300 and 25 should be ok, it is just the Zdefault Z speed set in marlin that is too fast for 4000 stepsby obewan - Reprappers
In config.h enable Z safe homing so the nozzle moves to the centre of the bed to home Z //#define Z_SAFE_HOMING <<<remove the //by obewan - Reprappers
cura 3.4.1 profile attached (i hope) this is for a prussa I3 mk2 clone with direct drive extruder,by obewan - Slic3r