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Kingroon KP3S Pro V2 filament sensor mount — zdjęcie 1
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Kingroon KP3S Pro V2 filament sensor mount

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Printed filament sensor mount for official Kingroon sensor.

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Printables
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Mount filament sensor to your Kingroon KP3S Pro V2 and rework filament path to eliminate spool & X axis jerking caused by moving print head.

This model designed around following sensor:

Pay attention to the selected SKU in URL - black or white sensors wouldn't fit this model, you should only use transparent.

Aside from sensor, you would need to source following components:

  • Some 2x4mm PTFE tube;
  • Two JP4-01 fittings for installing in model;
  • One KJH 04-M6 fitting for installing in the print head (KJH 04-M6 from Kingroon are a single use garbage that won't hold tube anymore after first disconnect, don't buy it);
  • Two M3x20 non-countersunk screws;
  • Two M3x5 or M3x6 heat inserts;
  • One or two M4x16 non-countersunk screws;
  • One or two M4 10x6mm T-Slot Nuts (if you want to use both M4 screws, consider limited clearance between T-Slot nuts - if you choose wide nuts, you'll be able to mount only one of them);
  • Roll of acetate cloth electrical tape for sensor wire.

I've used some black PLA and following print parameters in Orca:

  • Used 0.2mm layer height;
  • Put the model on M4 screw mount face;
  • Enabled “Strong” type tree supports with 0.2mm interface layer.

Probably model strength would benefit from using ABS or PETG plastic, but the load is quite small, so I've got away with PLA.

Assembling tips:

  • JP4-01's are screwed directly to plastic holes in the model. Take it easy, don't skew them in a hole, and rotate it back and forth while screwing them in - it's quite easy to break off mount's from parts if you apply excessive force.
  • In my opinion, best path for a sensor cable is through the left side of Z axis extrusion profile - just be cautios to wrap it in some cloth tape to prevent insulation tearing by extrusion profile angles.
  • Pay close attention to heat insert location prior and during adding them to print. Sensor leaves almost no tolerance in it's screw holes, so a slightly offset insert would result in sensor that couldn't be screwed flush with the mount.

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