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Bondtech for Prusa i3 

 

 

 

 Assembly and installation manual  

 
 
 
 

This work is licensed under a

 

GNU General Public License v3.0

  

 
 

 

 

Содержание Extruder upgrade

Страница 1: ...Bondtech for Prusa i3 Assembly and installation manual This work is licensed under a GNU General Public License v3 0...

Страница 2: ...e Ward Sando Bendig Vecko Kojchevski Vecko Extruder Steven M lby that have provided excellent feedback and suggestions of how to develop the perfect extruder setup for the Prusa series printer A lot o...

Страница 3: ...usa i3 1x PTFE tube 80mm 1x SLS printed Extruder front 1x SLS printed Extruder rear 1x Bag with screws and bolts 1x Fan shroud 1x Mounting bracket MK2 MK2s MK2 5 and MK3 without BMG 1x Nema17 Pancake...

Страница 4: ...ommended Download and print out Bondtech s PTFE fixture for precise measurement of the tube length STL file available at https github com BondtechAB Bondtech_Prusa_i3 tree master CAD Files Preparation...

Страница 5: ...otor gear onto the shaft as oriented in the picture Leave a 1 1 5 mm gap between the gear and the motor and tighten it using your 1 5mm Allen key Recommended Use Loctite to secure the screw Assembly t...

Страница 6: ...en key M3x8 M3x12 M3x25 Insert a ball bearing Ensure it is fully pressed down into the slot Insert the shaft with the white plastic gear into the bearing Rotate the shaft to ensure correct alignment o...

Страница 7: ...it down using a primary drive gear If you are using the bear X carriage remove hex cover plug by pushing it from the rear side This hole is for a M3 nut Press the primary drive gear down until the gr...

Страница 8: ...ith the filament path Recommended Use Loctite to secure the screw Important If the setscrew is not properly aligned with the flat surface it will stick out and start grinding on the secondary drive ge...

Страница 9: ...the hinge as shown in the photo and press the shaft down until you hear the click Carefully press the shaft in place using your 2 5mm Allen key Put a small dab of lithium based grease on the gear sec...

Страница 10: ...of the ends according to Prusas recommendation using a knife or a razor Using this fixture will help Credits to Olof Ogland Insert the newly cut end of the tube into the HotEnd Cut the tube 6 3 mm fro...

Страница 11: ...the tube fall into the HotEnd we recommend you remove the tube before chamfer the inside Insert a push fit clip between the HotEnd and the collet Recommended Add a small piece of tape 5x20mm on the in...

Страница 12: ...excessive force Install the extruder to your X Carriage using three M3 screws M3x40 M3x45 Important These screws are sized to use on your stock MK2 5 MK3 carriage or the modified MK2 s carriage If you...

Страница 13: ...o the pockets of the mounting bracket Install the mounting bracket and fan shroud using two M3x10 screw M3x10 Place two hex nuts into the slots on the mounting bracket and slide your 5015 blower fan d...

Страница 14: ...improve air flow and reduce turbulence Check out his work here MK2 5 MK3 users insert a square nut into the right slot MK2s in the left as shown earlier Secure the P I N D A using a M3x16 screw Square...

Страница 15: ...Installation manual extruder upgrade for Bondtech_Prusa_i3 V1 1 14 Place the sensor cover on top and fasten it using two M3x8 screws...

Страница 16: ...s 16 bit microstepping on MK3 it shall be 830 as it uses 32 bit microstepping this is valid for standard 1 8 degree stepper motors if a 0 9 degree motor is used the E step needs to be doubled so 830 a...

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