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Retroactively signing off some commits of mine. This squash consists of:
commit 9831cf20d4cc08731e6d3d24989293e1085a74d1
Author: Charles Pickering <17918019+charlespick@users.noreply.github.com>
Date: Mon Oct 4 14:56:17 2021 -0700
white space and fans
commit d1c1d90
Author: Charles Pickering <17918019+charlespick@users.noreply.github.com>
Date: Fri Sep 17 17:58:04 2021 -0700
minor changes
todo: [fan] section
commit f6eac58
Author: Charles Pickering <17918019+charlespick@users.noreply.github.com>
Date: Fri Sep 17 17:20:53 2021 -0700
update docs
commit 2bf1f8f
Merge: 414e2d7 5fc73e3
Author: Charles Pickering <17918019+charlespick@users.noreply.github.com>
Date: Fri Sep 17 16:26:49 2021 -0700
Merge remote-tracking branch 'origin/work-dual-car-docs-20210721' into work-dual-car-docs-20210721
commit 414e2d7
Author: Charles Pickering <17918019+charlespick@users.noreply.github.com>
Date: Fri Sep 17 16:22:24 2021 -0700
update toolchange macros with offset management syste
commit 5fc73e3
Merge: a3ee140 46167ca
Author: charlespick <17918019+charlespick@users.noreply.github.com>
Date: Thu Sep 16 13:30:47 2021 -0700
Merge branch 'master' into work-dual-car-docs-20210721
commit 46167ca
Author: Kevin O'Connor <kevin@koconnor.net>
Date: Sat Sep 4 14:20:24 2021 -0400
configfile: Add support for reporting deprecated options
Add a new printer.configfile.warnings with a list of config features
that are deprecated.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
commit c89db24
Author: Kevin O'Connor <kevin@koconnor.net>
Date: Sat Sep 4 13:25:11 2021 -0400
configfile: Setup get_status() results after check_unused_options()
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
commit 9d11b18
Author: truckershitch <10182029+truckershitch@users.noreply.github.com>
Date: Wed Sep 15 18:58:30 2021 -0400
config: Document motor_power pin in skr2 config (#4677)
This is just a short inline comment about Bigtreetech's implementation of the "anti-reversal stepper protection" and the way it should be handled in the Klipper printer configuration.
Signed-off-by: Jerry Chapman <truckershitch@hambone.e4ward.com>
commit 4b5d1c8
Author: Vladimir Serov <me@cab404.ru>
Date: Thu Sep 16 01:31:47 2021 +0300
update_chitu: generating update uuid based on file hash (#4663)
This makes update_chitu a pure function: same file in — same file out.
That's something I need to make Nix builds for firmware itself reproducible.
Signed-off-by: Vladimir Serov <me@cab404.ru>
commit 8cf1b51
Author: Kevin O'Connor <kevin@koconnor.net>
Date: Wed Sep 15 11:06:10 2021 -0400
linux: Support spidev4 through spidev7
The rpi4 has additional spi devices.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
commit a3ee140
Author: charlespick <17918019+charlespick@users.noreply.github.com>
Date: Tue Jul 27 11:22:29 2021 -0700
well that didn't go as expected
Signed-off-by: Charles Pickering <charles.pickering@live.com>
commit 4c73e6d
Author: charlespick <17918019+charlespick@users.noreply.github.com>
Date: Tue Jul 27 10:53:22 2021 -0700
changes_1
Signed-off-by: Charles Pickering <charles.pickering@live.com>
commit 9d43291
Author: charlespick <17918019+charlespick@users.noreply.github.com>
Date: Wed Jul 21 14:17:45 2021 -0700
docs: dual_carriage
Added an STL for calibration, some gcode macros to the sample idex config, and an entire document on configuring an idex printer.
Signed-off-by: Charles Pickering <charles.pickering@live.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| This document provides **general** information on configuring and | ||
| calibrating a standard IDEX printer. Klipper has support for very | ||
| complex IDEX configurations, with multiple hotends and extruders on a | ||
| single carriage, independent or grouped cooling fans, and much more, | ||
| which are not covered in this document. | ||
|
|
||
| # General configuration | ||
| Start with studying, and possibly using parts of the [example config](../config/sample-idex.cfg) | ||
| for IDEX printers. It has some distinct items that you may or may not | ||
| wish to use. | ||
| * Definition for `dual_carriage` on the X-axis, which you can change to | ||
| be on the Y axis if that is how your printer is configured. | ||
| * Sample macros for parking and switching toolheads. You should check | ||
| these to make sure they make sense for your setup and update the | ||
| position values with those that match your printer | ||
| * Fan configurations mentioned later. | ||
| * A macro for calibrating carriage separation described later in this | ||
| document. | ||
|
|
||
| # Tuning | ||
| If you want to use both extruders to print different features of a | ||
| single object, Klipper will need to know the positions of the extruders | ||
| relative to each other. | ||
|
|
||
| Because Klipper configures this by the endstop position, you will | ||
| need to calibrate your [rotation distance](Rotation_Distance.md) first. | ||
|
|
||
| For the finest accuracy, you should consider calibrating the homing | ||
| [endstop phase](endstop_phase.md) of your dual_carraige axis motors. | ||
|
|
||
| ## Step 1 (~5mm) | ||
| Start by literally eyeballing it. Put a piece of tape on your bed or | ||
| use a line or other graphic already on your bed as a reference point. | ||
|
|
||
| Move the first carriage to this point and note it's position. Then, | ||
| park carriage 1, and move carriage 2 to the same physical position. | ||
| Note it's position (where Klipper "thinks" it is) and calculate the | ||
| difference. | ||
|
|
||
| In a standard setup where the carriages home to the sides with the | ||
| primary on the left, you move the logical coordinate system for the | ||
| secondary extruder to the right by lowering it's `position_endstop` | ||
| value. | ||
|
|
||
| Run `SET_SEPARATION Y={your calculated value}` to set the Y offset. | ||
|
|
||
| Once you are within a few mm of accuracy, proceed to step 2 | ||
|
|
||
| ## Step 2 (~1mm) | ||
| Configure the `calibrate_separation` macro in [the sample config](../config/sample-idex.cfg) | ||
| for your bed size and dual_carriage axis, and add heating commands to | ||
| it for the filament you'll be using. | ||
|
|
||
| Load filament in both extruders, and run the macro. | ||
|
|
||
| The test with the standard axis configuration should look as follows: | ||
|
|
||
|  | ||
|
|
||
| Note the lines should be colinear. If they are not, adjust your | ||
| `position_endstop` setting as noted in step 1. Once they are visually | ||
| aligned, proceed to step 3. | ||
|
|
||
| At this point you should re-tune your mins and maxes for each axis when | ||
| the other is parked by issuing slow, small movements until they | ||
| collide. | ||
|
|
||
| ## Step 3 (~.1 - .025mm) | ||
| While the measuring process of this step accounts for symmetric | ||
| horizontal expansion, you will likely achieve better results by | ||
| calibrating the flow, temperature, and pressure advance for the | ||
| filament you'll be using first. You'll also do better with a filament | ||
| that is known to have better dimensional stability. Look for filaments | ||
| that can be printed without a heated bed. | ||
|
|
||
| Use a slicer to generate g-code for the multi-part print found in | ||
| [docs/prints/calibrate_idex.stl](prints/calibrate_idex.stl). | ||
| Align the long direction of the print perpendicular to the axis of your | ||
| `dual_carriage`. Configure your slicer to print the upper part using | ||
| the right extruder. I highly recommend using identical filaments printed with | ||
| the same temperature, etc. Use a rather coarse layer height since you | ||
| have not yet calibrated your Z offset. Print the object. | ||
|
|
||
| Use calipers or better, a micrometer to measure the 2 measureing points | ||
| (refer to the image below). Complete the following table: | ||
|
|
||
| | Part | Measurement | Calculation | | ||
| |:--:|:--:|:--:| | ||
| | Front | (mm) | 20 - (mm) | | ||
| | Back | (mm) | (mm) - 20 | | ||
| | Offset | | ^ Average ^ | | ||
|
|
||
|  | ||
|
|
||
| You should be left with the adjustment that should be made to compensate | ||
| for any alignment error. Save this to the printer by running: | ||
| ``` | ||
| SET_SEPARATION X_ADJUST={your calculated value} | ||
| ``` | ||
|
|
||
| Repeat this step if nessesary until you are happy with the alignment. Rotate | ||
| the object 90 degrees and repeat with the Y axis. | ||
|
|
||
| ## Step 4 (required for high quality printing) | ||
| To print with low layer thicknesses, you'll probably find that the error | ||
| between your nozzles in the Z axis is more than your layer height itself. | ||
|
|
||
| Start with a piece of paper and switch between the extruders until the pressure | ||
| feels roughly the same on both extruders. Make sure you're testing the exact | ||
| same point on your bed. | ||
|
|
||
| Prepare to print a square about 10x10x5mm. Slice the object twice with the only | ||
| difference being which extruder is used. MAKE SURE IT IS IN THE SAME PLACE ON YOUR BED. | ||
|
|
||
| Use calipers or better, a micrometer to measure the height of the two samples and | ||
| adjust the Z offset as nessesary. | ||
|
|
||
| # Next steps | ||
| Configure a homing override to make sure that the inactive carriage is | ||
| fully parked in all scenarios. | ||
|
|
||
| If you want to use [input shaping](Resonance_compensation.md), | ||
| calibrate the input shaper for each carriage separately and add g-code | ||
| to your `T0` and `T1` etc commands to configure the input shaper when | ||
| the active carriage changes. | ||
|
|
||
| For support with Fluidd, SuperSlicer, consider overriding the `ACTIVATE_EXTRUDER` | ||
| command to run T0, T1. | ||
|
|
||
| If your printer has multiple part cooling fans, create `[fan_generic]` sections | ||
| for each of them. For support with Klipper's default LCD resdout, consider using the | ||
| `[fan]` section and macro elements in the sample. Otherwise, write your own M106 | ||
| and M107 macros. | ||
|
|
||
| Print a few objects to ensure everything is working as expected! |
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