80 That will give us a 20% safety margin. Mar 7, 2019 · Hi @Lazurx,. Now I have Mainsail and most functions are working. 2 MB) Describe your issue: Hi. Mar 22, 2024 · The problem was that the Y Motor (JMC Servo) lost its position. This origin is the beginning of the usable printer bed. I will try the hardwire route but don't understand why this way will not work. The tmc2209 profile's job is to define stealthchop and interpolation. The log file has been engineered to answer common questions the Klipper developers have about the software and its environment (software version, hardware type, configuration, event timing, and hundreds of other questions). g switch L1 and L2. However, when watching the position requests, the homing direction is always positive. In the above picture, if Klipper is requested to move along the red line and if each black line represents the nominal location to step a stepper, then in the middle of that movement Klipper will arrange to take a step, change the step direction, and then step back. org On 2020-12-22, klipper introduced a new system for defining stepper motor movement, replacing the old step_distance setting with a new rotation_distance setting. Below are common stepper definitions. org Dec 23, 2023 · Im not new to Klipper, but this time after i rebuilt my AnyCubicMegazero into Voron SW I have an issue with the Movement of Y axis. zip (756. I could 100% figure out that the problem only occurred when input shaping was enabled. 707 Since we don't want to push the motors with 100% we'll do: Motor_Peak_Current * 0. My question is which of these am I supposed to swap to make the motor switch and rotate in the opposite direction. Quick calculation: 1 degr on the Z-Motor causes the Belt to move 0,037mm (38,4mm what is the perimeter of the last trolley *1 deg/(360 * 5,2) the 5. I'm not sure about the extruder. I’ve implemented the recommended macros + homing In Klipper I was able to set my drive to move in its normal direction, as well as the end stop being my max, but I cant seem to get it to work quite right in RepRap. To move the carriage 1 and 2 in different directions along the X axis: Rotation of motor A and motor B in the same direction. cfg settings how far the X and Y axes can safely move without hitting the printer’s frame. 8 degree stepper motor or set to 400 for a # 0. If the Endstop is The formula we use for calculating run_current: Motor_Peak_Current * 0. The X and Y motor will oscillate, but the Z motor always results in a double move. <stepper name>. I decided to switch from Marlin to Klipper. These are creality motors 42-34, 1. Replace your stepper motor. I moved the Y endstop to back and now it prints fine. This is not an official Klipper support channel and poorly moderated so ymmv. you could see the effect on the first layer already. Dec 2, 2022 · I am hoping that I can find someone else who has worked out the kinks and figured out the proper extruder settings and BL-Touch offset from nozzle with the Micro Swiss NG Direct Drive extruder. This is also the reason Dec 30, 2021 · $\begingroup$ For future readers, I would not recommend trying this. I can’t reverse it by inserting a ! In the direction pin line in steppers. #gear_ratio: # The gear ratio if the stepper motor is connected to the axis via a # gearbox. I am in the process of installing this on my Ender 3. For higher accuracy, it is advisable to also: Set microsteps to 128 or even 256 (TMC driver / fast 32 bit board) Change to a 0. But: The printer is loosing the z_adjustments after homing. Feb 8, 2023 · Klipper cannot measure any differences in distance that are smaller than the distance of a single microstep. If the motor moves in the wrong direction issue an M112 command to abort the move. 1. Haven't tested direction of it yet. Read more about Klipper rotation distance and how to calculate it! This document describes the commands that Klipper supports. Stepper_x, Stepper_y, Stepper_z0, Stepper_z1, Stepper_z2, and Stepper_z3. I am building my 3D printer and just finished mechanics and electronic. The big Problem is, that all the Motors aren’t moving. logklippy (3). Motor shaft was on the right side, now, the motor shaft is on left side, so the the bed moves backwards. My current, single z-motor, config is the following (i. Ideally the motor should be disconnected from any printer carriage before performing calibration. This is done by adding a ‘!’ to the “dir_pin” in the printer config file (or removing it if one is already there). For example, change "dir_pin: xyz" to "dir_pin: !xyz". Homing buttons work fine but when I push a home button I want the Z going 15mm up first before it travels. Issue a G28 command to home all axes. For very slow speeds (less than 10 RPM) the motor does not generate significant back EMF and the TMC2130 cannot reliably detect motor stalls. #full_steps_per_rotation: 200 # The number of full steps for one rotation of the stepper motor. Feb 11, 2022 · Now that “shared_heater” is deprecated, how do you change extruders between “extruder” and [‘extruder_stepper second_extruder’]? Using: ACTIVATE_EXTRUDER EXTRUDER=extruder_stepper belted_extruder or ACTIVATE_EXTRUDER EXTRUDER=belted_extruder Errors: Malformed command 'ACTIVATE_EXTRUDER EXTRUDER=extruder_stepper belted_extruder' Hardware: 1 Hot End (heater/thermister) part of the Mar 16, 2022 · Here are a few ways to reverse the direction of an extruder motor: Reverse the wiring. 5 KB) Issue a G28 command to home all axes. Klipper can help you and your machine produce beautiful prints at a fraction of the time. Verify extruder motor¶ To test the extruder motor it will be necessary to heat the extruder to a printing temperature. 20200531: The default USB vendor/product id is now 0x1d50/0x614e. Jul 14, 2023 · Basic Information: Printer Model: Heavily modifiyed Creality Ender 5 (CoreXY) MCU / Printerboard: STM32F103 RET6, Creality Board 4. This is done by interchanging two of the line cables, e. org Dec 14, 2022 · Okay, I'll answer my own question. We need to do reproduce the function of these configs ourselves in the user overrides section. When the System is started I can move the motors Stepper motor drivers on Klipper require a rotation_distance parameter in each stepper config section. Once that happens, the stepper motor loses steps. log klippy. The motors works in opposite direction to drive one axis. Someone recommends me to go on Klipper insteed of Marlin. To change direction you need to reverse the current in one set of coils only. Sometime around 2021-06-15, this new system is expected to Jan 16, 2022 · In the slicer settings you specify that your bed size is 230mm in the x direction. This is easy to tell visibly because that motor is responsible for the bed tilt in the x direction based on the crappy ASCII drawing above. /r/klippers -- a place to discuss all things related to the Klipper 3d Printer Firmware. Dec 17, 2023 · I moved the motor connectors around until they homed in the negative direction. This is done by adding a '!' to the "dir_pin" in the printer config file (or removing it if one is already there). Is it possible to switch the G28 code, that it homes Y Axis first and then the X Axis Trying to swap a stepper motor but its spinning the wrong way? dont worry this will be a quick fix with out going to much into details. The stepper_buzz command is supposed to oscillate the motor back and forth in 1mm increments a total of ten times. 6A). 000002 (which # is 2us) for all other steppers. The best way to get an accurate value for this setting is to use a “measure and trim” procedure. This is also used to set the # minimum time between a step pulse and a direction change signal. This document describes Klipper's stepper phase adjusted endstop system. This change should not require any config changes, but the new ids may appear in system logs. So, for a Z axis with a high gearing ratio or high microsteps setting the actual obtainable max_z_velocity may be smaller than what is configured in Marlin. [stepper_x] step_pin = !PE6 dir_pin = PE5 enable_pin = !PC14 microsteps = 32 Mar 30, 2023 · Basic Information: Printer Model: Adventurer 3 (Heavily Customised) MCU / Printerboard: BTT SKR Mini E3 v3 klippy. It actually does matter which coil is which and what the polarity of the coils are. 8 = 0. I just had a quick read about the documentation. It also needs to know where the origin (X=0 / Y=0) is. only the problem is. e moving in X direction , the hotend is moving in Y direction and vice versa Can anyone assist in how to switch the X / Y axis please Thanks May 18, 2019 · I think your definitely fighting a hardware issue as apposed to a klipper issue. Stepper motor definitions. This document describes the commands that Klipper supports. Reason: To avoid bounching against clips. 707 * 0. I. 9 stepper: full_steps_per_rotation: 400 # The number of full steps for one rotation of the stepper motor. Calibrate the extrusion. The S TEPPER_BUZZ command will cause the given stepper to move one millimeter in a positive direction and then it will return to its starting position. Further, at very high speeds, the back EMF of the motor approaches the supply voltage of the motor, so the TMC2130 cannot detect stalls anymore. Currently, we are in a transitional period, where the old step_distance settings are depreciated, but may still be used. Just you replace a mechanical endstop with measuring the motor current when hitting the end of axis. org Sensorless homing works best at medium motor speeds. https://www. Old Printer? Cheap Printer? New Printer? Bad Prints? Great Prints? Klipper can help you and your machine produce beautiful prints at a fraction of the time. Motor C will rotate in the same direction as motor A. Jun 11, 2020 · It’s possible the axis direction is reversed (inverted) in firmware. Let's add klipper's recommended defaults to our user overrides section: Jul 4, 2021 · I don’t think the use case for arc support is the same as arcwelder pushes. A test would be to try switching homing to max. I have an infant son at home, so my time I can dedicate physically to my machine is limited Sensorless homing works best at medium motor speeds. Motor Expectation; Voron 0 stepper_x: The motor will rotate clockwise first, then back counterclockwise: stepper_y: The motor will rotate clockwise first, then back counterclockwise: stepper_z: The bed moves down, then back up: extruder: Movement: Direction will be tested later: Voron 1, Legacy stepper_x: The motor will rotate clockwise first May 14, 2023 · This article is free for you and free from outside influence. Add the following to the stepper section for each 0. The position is the total number of steps taken in a forward direction minus the total number of steps taken in the reverse direction since the micro-controller was last restarted. Klipper is able to achieve much higher step rates, but the stepper motor may not have sufficient torque to move at a higher speed. At the moment the two motors are connected in parallel and turn in the same direction. First start with an initial guess for the rotation distance. 8v peak 0. On Marlin 1. Perhaps it worked at one time, but was probably a bug. And with extra current, strong motor can jam gantry into the glass Jan 5, 2023 · Hi, I’m working on a script that will auto-adjust the tilt of the bed during printing. My TMC motor driver turns off in the middle of a print¶ On an extruder, the rotation_distance is the amount of distance the filament travels for one full rotation of the stepper motor. For Klipper this is always in positive Z direction and the only relevant settings are in the printer. Arcwelder is there to turn high resolution prints that would overwhelm the planner and serial interface of marlin into much fewer instructions which are then expanded by the planner. Keep reading for more details on each method of reversing your stepper motor’s direction. 20200524: The default value for the tmc5160 pwm_freq field is now zero (instead of one). Other than that, it works the same way as a limit switch Dec 8, 2021 · When you set rotation_distance, then Klipper will no longer depend on your microsteps, this means you can modify microsteps without changing rotation_distance. exclude_object¶ The available info is in the stepper section of the Klipper config reference. Sensorless homing is a Klipper feature where it moves the carriage and bed until they hit the frame of the printer. I changed my Z stepper motor because it was broken and all my prints now are a bit taller. Instead of the offset improving, it's getting worse. This makes it easier to use available hardware, to upgrade to new hardware, and to have confidence in the hardware. For very slow speeds (less than 10 RPM) the motor does not generate significant back EMF and the TMC cannot reliably detect motor stalls. This board has the possibility to drive 2 Z motors (ZAM, ZBM), but Im not sure how to configure it. Everything seems fine and works as expected, except the extruder. Now both slicer and physical printer are “on the same page” and you can print. G-Code commands¶ Klipper supports the following standard G-Code commands: Move (G0 or G1): G1 [X<pos>] [Y<pos>] [Z<pos>] [E<pos>] [F<speed>] Dwell: G4 P<milliseconds> Move to origin: G28 [X] [Y] [Z] Turn off motors If the stepper motor oscillates in an incorrect direction, then it generally indicates that the "dir_pin" for the axis needs to be inverted. Apr 23, 2023 · If you have any questions please comment down below Apr 18, 2021 · Instead of changing firmware or changing the wiring, I flipped the motor direction. This document describes how one can configure this value. The best way to get an accurate value for this setting is to use a "measure and trim" procedure. c Apr 11, 2020 · Hi @catchra,. I don’t understand because the wiring is the same on all 3 motors, and only x and y are buzzing and overheating, not Z! Feb 14, 2024 · It is important that your Z=0 is directly over the bed and then the printer moves into the right direction. continuous position shift to the Y+ direction. mcu_position: The position (as tracked by the micro-controller) of the stepper motor at the end of the last home attempt. Example 1: Swap A- with B- Example 2: Swap A+ with B+ Example 3: Swap A+ with A- Example 4: Swap B+ with B- Apr 28, 2024 · From the Klipper Documents. Use the following gcode to check your skew on each plane. Aug 5, 2017 · In this case the motor connected to X (alpha motor) drives the extruder to the left, away from the X stop switch => change its turning direction via FW… As soon as I switch the direction of the alpha motor, that it drives the extruder to the right at homing, it automatically leads to the behavior of my whole mechanical setup that it switches Sensorless homing works best at medium motor speeds. Currently when homing the Y drive moves towards the endstop, and homes as it should, showing my axis maximum, but as soon as I attempt to travel toward the minimum, it will crash last_home. the default config Use M566, M203 and M201 to set motor speeds and accelerations. Rerun the endstop and stepper motor verification steps if necessary. . 7 klippy. Oct 2, 2023 · The X and Y Axis Klipper needs to know from its printer. behavior: at every direction change, the position was shifted about 0. On an extruder, the rotation_distance is the amount of distance the filament travels for one full rotation of the stepper motor. 0 KB) Describe your issue: Hello, I want to use a dual z stepper motor on my Ender 3 with SKR mini e3 V2 board. Instead of going forward and back 10 times it goes forward and forward. One key part of this control is the measurement and management of your stepper motor's motion. My TMC motor driver turns off in the middle of a print¶ If the stepper motor oscillates in an incorrect direction, then it generally indicates that the “dir_pin” for the axis needs to be inverted. facebook. Check Klipper out on discord, discourse, or Klipper3d. However, if they're wrong, the motor just turns the wrong way, Switching the polarity of either (one) coil, like swapping motor input pins 1/4 (RED/BLUE) or 3/6 (GREEN/BLACK) Motor direction can also be reversed in the firmware, so keep this in mind before possibly destroying your cable or connector. 84*0. On a stock Ender 3 motor that is 0. It is working, but I’m still tweaking it a bit. G-Code commands¶ Klipper supports the following standard G-Code commands: Move (G0 or G1): G1 [X<pos>] [Y<pos>] [Z<pos>] [E<pos>] [F<speed>] Dwell: G4 P<milliseconds> Move to origin: G28 [X] [Y] [Z] Turn off motors Jan 11, 2023 · Hi every one. # Set this to 200 for a 1. 8A (the X & Y axis current is 0. The stepper driver senses those lost steps which Klipper can then use to know that it has hit the end of the axis. Motor C will rotate in the other direction Mar 18, 2023 · Basic Information: Printer Model: coreXY with 3 Z-steppers MCU / Printerboard: SKR pro Hi, after checking all klipper documentations I could not find an answer to this simple (?) question: Z_tilt_adjust is working fine together with BLtouch. Mar 3, 2020 · It's is saved. A typical endstop switch has an accuracy of around 100 microns. Remove power from the printer if it does not home properly. log (1. 9° stepper with 400 full_steps_per_rotation Stepper motor drivers on Klipper require a rotation_distance parameter in each stepper config section. In Pronterface, This is a multi step issue. 47 in run_current of your TMC stepper. See the first photo below. I’m running my bed slinger with two NEMA 17s in parallel at 0. G-Code commands¶ Klipper supports the following standard G-Code commands: Move (G0 or G1): G1 [X<pos>] [Y<pos>] [Z<pos>] [E<pos>] [F<speed>] Dwell: G4 P<milliseconds> Move to origin: G28 [X] [Y] [Z] Turn off motors Klipper can help you and your machine produce beautiful prints at a fraction of the time. A wrong direction generally indicates that the "dir_pin" for the axis needs to be inverted. Will update later. This is most apparent with the main stepper_z motor. If I print a model that is 300mm high on the Z, it turns out of 310mm, other axes Y and X are quite ok in the hardware tolerances since are 302 mm and 303 mm respectively. endstop_pin: # Endstop switch detection pin. Jan 21, 2023 · Klipper uses rotation distance instead of steps per mm for the extruder. These new ids are reserved for Klipper (thanks to the openmoko project). For example, in a CoreXY printer, when the option is active, moving Z in the negative direction sends the print bed down, away from the toolhead. Klipper can perform this step, direction change, and step back in a very small Dec 1, 2023 · Basic Information: Printer Model: Ender 3 MCU / Printerboard: SKR mini e3 V2 klippy. I’m looking for a way to control each z-stepper motor independently and transparently during printing just like bed mesh or z_thermal_adjust Currently I’m using FORCE_MOVE which validated the concept and resolved the main objective of the project, But it causes the toolhead to pause every time a FORCE The Klipper micro-controller code is designed to faithfully follow the schedule provided by the Klipper host software (or prominently alert the user if it is unable to). If the controls in Mainsail are inverted, then you can change this in the Mainsail settings, but this has NO effect on the Klipper I need to change the direction of a stepper motor, I know that the wiring is connected to the A+, A-, B+, and B-. The first is that your bed movement needs to be inverted, then we need to get it going the right way. Swap ONE of the coil pairs over and you should be able to get the two motors turn in the opposite direction with the same drive signal. The direction of rotation of a three-phase AC motor can be changed at the terminal box. This # parameter must be provided. M566 - Sets the maximum allowable instantaneous speed change (sometimes called 'jerk speed') of each motor when changing direction; M203 - Sets the maximum feedrates in mm/min; M201 - Sets the acceleration that axes can do in mm/second^2 for print moves Klipper can help you and your machine produce beautiful prints at a fraction of the time. e. This is the newer direct drive with the motor angled. Start by manually positioning the given axis to a midway point. 47A So you input 0. 9 degree motor. It is most useful when using a Trinamic stepper motor driver that has run-time configuration. My f6 worked great out of the box with klipper (2208 aside) i had trouble getting things moving in the right direction (reversed motor connection/homing direction) but I always had linear movement, is it possible one of the motors is skipping and not physically Sensorless homing works best at medium motor speeds. Jan 29, 2023 · When I use stepper buzz to verify motor wring most of them work fine but my Z doesn’t buzz the same way. 2 is the gear ratio of the Z-gear). 84A peak 0. Is it possible to declare two steppers IMPORTANT - this tool will command the stepper motor to move without checking the normal kinematic boundary limits. Those with "!" were removed and those without added. # The default is 0. Feb 11, 2024 · Thank you. This functionality can improve the accuracy of traditional endstop switches. After removing a profile you will be prompted to issue a SAVE_CONFIG to make this change persist. Its the opposite - And everything is printed in reverse. I’m using this with a RPi 4 2gb and the BTT TFT35 screen SKR_Mini_E3_V3. I guess because the printer’s old you have additional resistance to overcome but that’s still pretty high (even at 1A per motor because its in parallel). All Steppers were rotating in reverse. Notice how we no longer include a speed limit config or a tmc2209 config. Sensorless Homing: The logic is the same. I’d like to store this Z adjustments so that they will be added to each z-axis for every Klipper is an advanced 3D printing firmware that gives you a high level of control over how your 3D printer moves. We would like to show you a description here but the site won’t allow us. Reverse the plug. Different printer types (as specified by the "kinematics" option in the [printer] config section) require different names for the stepper (eg, stepper_x vs stepper_a ). May 11, 2020 · The best I can figure is that the Z_tilt compensation is going the opposite direction that it should. 707*0. Jan 12, 2021 · Hi @welo78,. One thing though, watch for the pins, cause I had to change direction on all my new nema motors. Reverse the Wiring Klipper can help you and your machine produce beautiful prints at a fraction of the time. 2. 19 I tried setting negative X steps, which DID initially work to reverse the motor, however, X homing did not work, the toolhead hit the end stop forcefully and caused the servo to jump/skip (luckily not causing any damage). The rotation_distance is the amount of distance that the axis moves with one full revolution of the stepper motor. Klipper does this with the help of the Rotation Distance parameter. In the following, we assume a Cartesian printer that follows the conventions of a Cartesian Coordinate System. Klipper has built-in support for the ADXL345, MPU-9250 and LIS2DW compatible accelerometers which can be used to measure resonance frequencies of the printer for different axes, and auto-tune input shapers to compensate for resonances. Apr 29, 2021 · Hi all, I have recently got introduced to Klipper and I was impressed by the features that it provides, so I decided to install Klipper on my Ender 5 pro (was Marlin). Sep 20, 2023 · This is the current config for my SKR Mini E3 V3. Mar 26, 2023 · To move the carriage 1 and 2 in one direction along the X axis: Rotation of motor A and motor B in the same direction. The reason I say this is after homing you said pressing down tried to move the bed down, but the bed should be moving up. When the printer Hi All I have just built my first corexy 3d printer, but the X and Y axis are switched. Feb 3, 2023 · Just noticed the comment about the current - 2A is surprisingly high and is the maximum rated current for the TMC2209. A quick question here: I have one axis controlled by two step motors with one driver DRV8825 per motor. Some users prefer to move the print bed instead of the toolhead. I made other changes and they were there the next time I went to change something else in the file. cfg (2. I can verify that the basic configuration is correct because the firmware can Enable/Disable motor and Extrude/Retract fillamet by the correct distance when Issue a G28 command to home all axes. The direction of rotation for the motor shaft of an AC motor is defined in IEC 60034-8 as either CW (clockwise) or CCW (counter-clockwise), when looking into the motor shaft. To keep things this way, we finance it through advertising, ad-free subscriptions, and shopping links. cfg. This section explains how to use the STEPPER_BUZZ command to verify the connectivity of each stepper motor. Thank you both for your help. It did not look like there was a Klipper log file attached to this ticket. Dec 13, 2018 · Busy with configuration. 1mm to thy Y pos. Verifying your correction¶ After skew_correction has been configured you may reprint the calibration part with correction enabled. direction. 000000100 (100ns) for TMC steppers that are # configured in UART or SPI mode, and the default is 0. Further, at very high speeds, the back EMF of the motor approaches the supply voltage of the motor, so the TMC cannot detect stalls anymore. Measuring Resonances¶. Change the Esteps to a negative number. This inverts the direction of the Z axis, when moving through the interface. The default is 200. I even tried it 2 or 3 times toggling back and forth with and without the !, plus I even tried the ^. 9 MB) Describe your issue: I’ve been trying to get this working consistently for days - the first time I home it works, the next time I try it the X/Y axis go in the wrong direction and I get a print-head crash. I can change the direction of that move with a "!" on the dir_pin, but it will always result in either Up Up or Down Down, and never Up Down or Down Up. I’ve tried to change “dir_pin: PB2” into “dir_pin: !PB2” it helped with direction, but after it Klipper is able to achieve much higher step rates, but the stepper motor may not have sufficient torque to move at a higher speed. Feb 17, 2020 · Hi all, if my Heatbed is pulled out and i do a G28 Homing, the X Axis drives into the Kabelchain snd cant home. These are commands that one may enter into the OctoPrint terminal tab. I know the common answer to moving the wrong way is to flip the motor connector, but for homing to work all the firmware sttings need to agree on direction. 8A max. I have tried to confirm that the code should attempt to home in the negative direction but I am not sure. wa av cy dy pf no ho aw xy ps