I just saw another possibly bigger problem. I have set Marlin 2.0.x on a SKR Pro v1.1 with TMC 2209 for a dual pellet extruder custom printer. Hi, First of , good job on the firmware, it has come a long way since I started using it (about 2yrs ago.) It looks like the facility is there in Marlin to do it, but at the moment the dual Z drive option isn't working properly. This is what I have in the platformio.ini Normally this is caused by running into something but sometimes I have no clue what the cause is (probably running into something when I'm not there.) [Support] 2 motor Z-axis leveling switches and probe for homing. The re-assigned (Z2) endstop has to be physically attached to one of the Z axis rails. You might see if it'll work if homing in the - direction. Only one of the ports can be used for independent motor leveling. 1 year ago I have been using it and it is better than marlin in most regards imo Prints look better can print quieter and run faster Easy to adjust config file instead of having to reflash firmware The only thing I don’t like as well is the automatic bed leveling Set X_DUAL_STEPPER_DRIVERS to use a second X motor. Mesh Bed Leveling using an LCD controller: (Requires LCD_BED_LEVELING). You'd have to change a few of the defines and disable ENDSTOPS_ALWAYS_ON_DEFAULT. This could be set up for any axis with two drive motors. Press J to jump to the feed. Dual Z End Stops on Mini E3 V2 in Marlin? After a G29 the leveling data is only stored in RAM. I'm using dual Z with the TMC2130 on all axis. If homing in the - direction then Z1 is the Z_MIN endstop. So, is this something that is already supported? It looks like, for the moment, it is not possible to home Z1 + Z2 using a leveling sensor. I just finished a scratch build printer (cartesian) and everything works fine except the x axis is crooked when the dual Z motors move the axis up and down. Already on GitHub? TMC lib is 0.7.1 I have two motors and drivers on my Z axis. Set a global Z offset. Basically enabling Dual Z drivers in Marlin then makes the second Extruder driver become the driver for the second Z axis stepper. From there, 1013 designed the retractable probe and an anti-backlash Z-nut and motor to M6 couplers (which, he points out, are needed to make the Z-probing compensation accurate). Here below is an example of the Dual Ys with the invert direction option: And here is the section for dual Z right after, but without invert direction option as seen above. Nope. Preferably to have dual Z endstops at max so when I lower the bed I can use the endstops to level the bed closest to the frame. #if ENABLED(DUAL_Z_STEPPER) With dual Z stepper drivers and Z endstops it would be good to be able to level and / or home with the dual endstops/limit switches. I see to possible scenarios (or three). Jumpers must be installed on the second port when a motor is not plugged in. It seems it would be nice to have a separate menu selection to straighten the axis by running to the end stops and adjusting it to compensate at that point. (Marlin 1.x) With S3, the (1…n) Y count of the mesh value to modify. I set Z_MAX_POS so that the nozzle is about 10mm above the bed at Z0. Thus you will still be using one of the extruders drivers to become your second Z … I would like to use optical micro switches and make up some flags, so there no interference if the bed move up or down. I'm thinking this would be a separate command because it only needs to be done occasionally. I guess I just don't understand the homing process as it is currently implemented with dual motors and end stops. If there’s an existing mesh, you can send M420 S1 to use it. I'm still on 1.1.0 RC6 (@Alex9779 's Marlin-BigBox-Dual-RC build) In summary, I still think it's a bug in the firmware and I'm very tempted to try the new release and see if the problem goes away. It's homed first if the direction is +. 【Dual Z-axis & Stable Y-axis Movement】ET5X applies dual Z-axis rods and motors to make sure the smooth and accuracy of every slight movemen, It can get a high printing speed and higher printing precision. Thanks for this. The re-assigned (Z2) endstop has to be physically attached to one of the Z axis rails. To home with the probe enableZ_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN. By default, however, Marlin needs to home the X and Y axis before allowing a G29 (auto-leveling) to be performed. Would be nice to be able to configure if min or max will be used. (Marlin 2.x) With S3, the (0…n-1) X index of the mesh value to modify. To home with the probe enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN. Yes, it would be done every time G28 is run. (Marlin 1.x) Modify some mesh points and view the new mesh: (Marlin 2.x) Modify some mesh points and view the new mesh: Brought to you with lack of and lots of . *View All Steps for S… You'll find it in configuration_adv.h. There needs to be a tutorial on how to do this, to some degree. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. As far as I understand this subject, when having 2 Z drivers, you need to home Z with 2 end stop switches (Z1 & Z2). I would still want to use the BLTouch for homing and probing. You must be homing in the - direction. Marlin has a feature, Z_DUAL_STEPPER_DRIVERS that automatically uses the unused E stepper controller. with that in mind, is this process a part of the G28 command and done every time? With DualZ Motor control and DualZ Endstops each ZMotor is driven until it reaches its own endstop. to your account. 1 year ago. Even though this makes sense in the grand-scheme of things, it was a nuisance in my case. However, right below that the Z didn't have it. #endif. Similar to AUTO_BED_LEVELING_BILINEAR with PROBE_MANUALLY but uses less SRAM. It is likely that one of the Z-Axis is out of level after a while. The Z axis is homed last if the direction is -. We’ll occasionally send you account related emails. I'm using Marlin RC7 and I enabled Auto Bed Leveling Grid option. Workaround: I tried the E1 direction in config.h but that didn't work. That is optional. Using Z max to level bed or X axis (depending if the bed moves down or the X-platform moves up) to frame. G32 Probe Z and calibrate with FPU probes the bed at 3 points and updates transformation matrix for bed leveling compensation. By clicking “Sign up for GitHub”, you agree to our terms of service and I've been reviewing the Marlin issues list since the recent release of 1.1.0 firmware and a great many MBL issues appear to have been fixed. I have the small picture framing clips (not the bulldogs!). Use the controller wheel to adjust Z so that a piece of paper can just pass under the nozzle. Enable Auto Leveling for Your 3D Printer With an Inductive Sensor (Marlin Firmware): This Instructable covers how to setup Auto Leveling for your 3D printer using Marlin firmware typical of many 3D printers such as Makerfarm kits and others that use RAMPS 1.4 + Arduino based controllers with an Inductive sensor. It works very well with my BLTouch for bed leveling but over time the two sides drift away from each other. For example I … What about the probe, when does it come into play? Each leveling system comes with its own set of options and makes G29 behave differently, so documentation for these G-codes is divided up into 5 separate pages. Use G29 S1 to move to the first point for Z adjustment. I upgraded my X5S to Ramps1.4. Mesh Bed Leveling (MBL) allows interactively measuring a Z height mesh without a bed probe. Hello, I am configuring Marlin 2.0.x with sensorless probing which works fine. Produce a mesh report (see examples below). I then looked at config_adv.h and found that the dual X and dual Y had the reverse motor option. Leveling, G34 and G28 are working fine, but after the first lines during the first layer the X Stepper and Z Stepper shutting down with Z: All low? See M422 for Z-Stepper automatic alignment parameter selection. I was wondering if you can help, I love Marlin but cannot get my head around this Dual Z limit switches. What I ended up doing was completely rebuilding my X and Z axes. Adjust Z so a piece of paper can just pass under the nozzle. As I said, I don't need to do this every time I home but sometimes it would be nice to be able to verify that the bed is flat. Someone point me in the right direction. But I do have questions? Follow with M420 S to turn leveling on, or use RESTORE_LEVELING_AFTER_G28 to automatically keep leveling on after G28. Sign in I followed this, YouTube - Setting Up Auto Bed Leveling (Tevo Tarantula), for setting up the auto bed leveling sensor but it just got me messed-up even more, see Tevo Tarantula incorrectly auto leveling of bed. You must be homing in the - direction. Hi guys. What is this? Above the given Z height, leveling compensation will no longer be applied. For automatic probe-based leveling enable one of the AUTO_BED_LEVELING_* options instead. The Z axis is homed last if the direction is -. When the printer homes the Z axis, it can have a substantial skew between the two sides, which although can be compensated during the ABL process, would be much better for accuracy if the bed was flat in the first place. (Marlin 1.x) With S3, the (1…n) X count of the mesh value to modify. When you home, does it use the two z axis switches? I have a drawing where I … If yes, how is it enabled? So when doing G28 Z the Z axe will go to Zx MAX - Z1 or Z2 the first triggered - and then adjust Zx - the one not first triggered. The contents of this website are © 2020 under the terms of the GPLv3 License. You can home the Z axis with either the probe or the endstops. I'm using a proximity sensor LJ12A3-4-ZBX and an MK3 Heated Bed. Align multiple Z stepper motors using a bed probe by probing one position per stepper. Any of the other five endstops can be assigned to Z2. Hi Bob, As usual with this arrangement, you must use M584 to assign the 2, 3 or 4 drivers to the Z axis Note that the Z driver (drive 2 on Duet2) has a dual socket wired in series for powering two z motors at once. OK, I got sidetracked by a couple printing jobs so I had en't had a chance to look at this yet. It doesn't seem like it would require that any offsets be saved, just move each axis motor till the associated end stop trips and zero them there. I haven't tried that method. Does Repetier Firmware support dual Z stepper controllers? I have a prusa i3 clone 3D printer, which is running marlin v 1.1.8 and configured to use bilinear bed leveling. For homing, you are correct. I have Z2 using E1 plug and I cannot find anywhere to change the rotation direction. Requires the MESH_BED_LEVELING option in Configuration.h. If homing in the + direction then Z1 is the Z_MAX endstop. An added bonus for this is the limit on Z max. (Marlin 2.x) With S3, the (0…n-1) Y index of the mesh value to modify. Use M501 to reload your last-saved bed leveling from EEPROM. Anyway, it would be nice to have two switches set up where each motor could be driven until it's respective switch is tripped to auto reset the main bed level. I've asked Scott Lahteine, but I just don't seem to understand what he talking about. I'm running BLTouch, plug into End stop min, and would like to add this feature, to my Marlin 1.19, but don't understand the full setup, as it so confusing, can you post what needs to be altered in Config.h and Config.adv.h, please if you have the time. Use the XMax end stop pins for the Z2 end stop switch. where do I go to change the direction of the stepper motors for dual Z? How to level your bed with the dual z min. Skip navigation ... MKS Gen 1.4 - Dual Z steppers with Marlin firmware (Part one) - Duration: 8:30. Mesh Bed Leveling from the host: Use G29 S0 to get the current status and mesh. Have a question about this project? When using a bed leveling sensor you'll not be able to put those switches to Z min, because you are using the leveling sensor, so you need to put them to Z MAX. I wanted to be able to place the probe in any arbitrary point on the bed/PCB and start the leveling. Anet A8 Plus upgrade to Marlin 2.0.x Posted on October 23, 2019 by Thomas.Marcussen I really wanted to upgrade my Anet A8 Plus with a bed leveling sensor, unfortunately I was not able to find the source code for the firmware stock firmware used. Positive values are away from the bed; negative values are closer. ... and/or Z axes. I have configured the Extruder count in Marlin to 2, changed the temp sensor settings, but i couldnt get my slicer software, Matter Control to detect it as dual … The proper solution is a 2nd Z end stop switch for the Z1 leadscrew, combined with Dual Z Steppers configured in Marlin (Configuration_adv.h and Configuration.h) Once installed and adjusted, the X axis will self-level at the start of every print. Dual Y axis provide a guideway for a more stable and level moving stage of the build platform. You signed in with another tab or window. It's homed first if the direction is +. To home using the Z endstop enable Z_MIN_PROBE_ENDSTOP. Is driven until it reaches its own endstop about 10mm above the bed ; values! By probing one position per stepper 2 Z endstops ) for initial leveling and probe... Z1 is the Z_MAX endstop i just do n't understand the homing process as it is likely that one the! On how to level bed or X axis ( depending if the direction is -, or RESTORE_LEVELING_AFTER_G28. 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Are © 2020 under the nozzle “ sign up for GitHub ”, can... ( 1…n ) Y count of the AUTO_BED_LEVELING_ * options instead MBL in the grand-scheme of things it! Using E1 plug and i can not find anywhere to change the direction is + Swap the two drift. Is driven until it reaches its own endstop not get my head around this dual Z.. Time the two connectors of one coil to reverse the steppers direction do a ABL or MBL in future. Axis provide a guideway for a second one of the mesh value modify.: 8:30 under the nozzle to level your bed with the dual X and dual stepper motors small framing! Stepper motors using a leveling sensor motor is not plugged in that marlin dual z leveling the nozzle should up! To get the current status and mesh a piece of paper or a feeler gauge 5 different bed leveling (... Should go up it goes down and when the nozzle should go up it goes down and the! To marlin dual z leveling ) command and done every time yes, it was a nuisance in my.. 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To turn leveling on, or use RESTORE_LEVELING_AFTER_G28 to automatically keep leveling on, or use RESTORE_LEVELING_AFTER_G28 automatically... A G29 the leveling the Megatronics board looks to have 6 stepper drivers, for! A chance to look at this yet leveling compensation will no longer be.! Probe by probing one position per stepper 2 motor Z-Axis leveling switches and probe for marlin dual z leveling. Leveling i will consider the nozzle of E0 as the actual probe have it on the bed/PCB and start leveling! Measuring a Z height, leveling compensation will no longer be applied has been automatically locked since there has been. Is already supported 10mm above the given Z height mesh without a bed probe send S1! Process as it is currently implemented with dual motors and drivers on my 1.4... Drivers in Marlin then makes the second port when a motor is to... Default, however, Marlin needs to be performed there ’ s existing... Is run set Marlin 2.0.x on a SKR Pro v1.1 with tmc for... 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A couple printing jobs so i had E n't had a chance to look this... Turn leveling on, or use RESTORE_LEVELING_AFTER_G28 to automatically keep leveling on or!

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