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bed_leveling [2025/08/30 01:31] – ↷ Page moved from printer_set_up:bed_leveling to bed_leveling dshoopbed_leveling [2025/09/14 01:21] (current) – [What does it mean for the bed to be "Level"?] dshoop
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 ====== Bed Leveling ====== ====== Bed Leveling ======
-{{tag>setup tuning}} +{{tag>setup}} 
  
 ===== What does it mean for the bed to be "Level"? ===== ===== What does it mean for the bed to be "Level"? =====
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 As the bed size scales larger, small errors in the bed level scale exponentially. For this reason larger beds are harder to level and require the level to be more accurate. Printers such as the Neptune 4 Plus and Neptune 4 Max present additional challenges for bed leveling.  As the bed size scales larger, small errors in the bed level scale exponentially. For this reason larger beds are harder to level and require the level to be more accurate. Printers such as the Neptune 4 Plus and Neptune 4 Max present additional challenges for bed leveling. 
  
 +Also known as "tramming".
 +===== Leveling Methods =====
  
-===== Leveling with the Paper Method =====+==== Leveling with the Paper Method ====
    
 Elegoo's Quick Start instructions and the workflow on the ancillary side Screen controller use what's known Elegoo's Quick Start instructions and the workflow on the ancillary side Screen controller use what's known
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 can measure with the z probe.  can measure with the z probe. 
  
-===== Use an automated tool to determine precise Z heights =====+==== Use an automated tool to determine precise Z heights ====
  
 The Neptune 4 Series printers have an accurate z probe that can measure the height of the plate at  The Neptune 4 Series printers have an accurate z probe that can measure the height of the plate at 
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 Recall that in geometry a plane is defined by at least 3 points in space. If we use the probe to measure the bed height at three (or more points) and the Z height agrees, the plane would be level. If we take those measurements at positions on the bed where we can adjust it's height, like the bed screw positions, we can adjust the screws and measure them and when we get each of the bed screw positions measuring the same Z value, the plane would be level.  Recall that in geometry a plane is defined by at least 3 points in space. If we use the probe to measure the bed height at three (or more points) and the Z height agrees, the plane would be level. If we take those measurements at positions on the bed where we can adjust it's height, like the bed screw positions, we can adjust the screws and measure them and when we get each of the bed screw positions measuring the same Z value, the plane would be level. 
  
-===== Using the z probe for automated leveling =====+==== Using the z probe for automated leveling ====
    
 Klipper has a built in feature to automate probing and measuring the bed height at the current location, PROBE, and MANUAL_PROBE.  Klipper has a built in feature to automate probing and measuring the bed height at the current location, PROBE, and MANUAL_PROBE. 
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 See https://www.klipper3d.org/Manual_Level.html#adjusting-bed-leveling-screws-using-the-bed-probe  See https://www.klipper3d.org/Manual_Level.html#adjusting-bed-leveling-screws-using-the-bed-probe 
 +
 +=== Bed Screw Positions ===
 +
 +The first defined bed screw is the one that is used as the reference position. All the other bed screws will be adjusted with the exception of the first one defined. 
 +
 +The [[Neptune 4 Plus]] and [[Neptune 4 Max]] have two middle bed mounts that are fixed. As neither of these can be adjusted, we shouldn't define them as one of the bed screw that will be adjusted. Instead, use the position exactly in between the two mounts. For example, if you had a N4 Plus and the middle-rear bed mount was measured to be at 189.25,204.55 and the middle-front bed mount was 189.25,86.55, use 189.25,118.00 which is the position in between. 
 +<code>
 +screw1: 189.25,118.0
 +screw1_name: btwn middle bed mounts
 +</code>
 +
 +While it's best to measure them yourself, for your bed, which could be different, the following files describe bed screw configurations for each model Neptune4 and could be used for quick start and to confirm your's aren't far out of the ballpark. 
 +
 +https://github.com/OpenNeptune3D/OpenNept4une/blob/main/printer-confs/n4/section_screw_tilt.cfg
 +https://github.com/OpenNeptune3D/OpenNept4une/blob/main/printer-confs/n4max/section_screw_tilt.cfg
 +https://github.com/OpenNeptune3D/OpenNept4une/blob/main/printer-confs/n4plus/section_screw_tilt.cfg
 +https://github.com/OpenNeptune3D/OpenNept4une/blob/main/printer-confs/n4pro/section_screw_tilt.cfg
/app/data/attic/bed_leveling.1756531905.txt.gz · Last modified: (external edit)
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