Heat block moves freely - thumb screws dont help
 
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Heat block moves freely - thumb screws dont help  

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KAM
 KAM
(@kam)
Utenti
Heat block moves freely - thumb screws dont help

As per topic picture, my heatblock (?) Moves freely, prusa support told me to fasten thumb screws, but it does not help too much it still moves freely and impacts prints a lot


Any recommendations would be helpful

Postato : 29/03/2024 11:40 am
me
 me
(@me-2)
Eminent Member
RE: Heat block moves freely - thumb screws dont help

remove the nozzle / heat break / heat block assembly thingy (precice and scientific term for it, i know) and tighten the nozzle (screw it into the heat block)

Postato : 09/04/2024 4:37 pm
vhubbard
(@vhubbard)
Estimable Member
RE: Heat block moves freely - thumb screws dont help

Standard MK4 nozzle, tighten as instructed above.   

If using the V6 adapter, it must be re-tightened after heating to assure it stays tight.   If the V6 adapter, take the nozzle apart, clean the nozzle and adapter ends.  Make sure no plastic in the threads of the heat block.  Then assemble per Prusa instructions.

I recommend a sock also. 

Postato : 13/04/2024 2:36 pm
Michi
(@michi-3)
Active Member
RE: Heat block moves freely - thumb screws dont help

I've had this happen twice before and the 2 thumb screws for the nozzle were tight. But the heating block could be rotated around the nozzle until the cables held it in place.I then tightened the nozzle again with 1.5 Nm (Wera torque screwdriver). Let's see how long it lasts now.I think tightening the nozzle when cold is not the optimal option. But if it is specified by Prusa or E3D.

Postato : 14/04/2024 7:50 pm
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