bob-hepple 59
Jatman
thanks for the reply, The steel coupler and the Ptfe are from 3dsolex, Plus the i2k, which goes inside the Coupler, and the Ptfe sits on top this gives another 1mm Or so in height they are the same as the stock parts Dimensionally, The difference is in the Olson Block and the installation guid on 3d Solex web sight, where you screw the coupler all the way down and then back it off again Half a Turn, Plus Im using the Spacer idea. I am thinking of making a new spacer from alloy, I was even thinking of reducing the height of the Ptfe. But I was waiting for some more help from the Forum before I started..
The shroud is from Laybern have a look below and pick the wright one for you
https://www.youmagine.com/designs/um2-dual-fan-shroud
I Use it and its Fab Printed in Nylon with some tape inside
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JATMN 6
I don't know a lot about this one.. but to me.. 3.68mm is a massive gap.. I only have about 1.3-1.5mm gap on mine..
I don't think yours is going down far enough it should be touching the top of the olsson block.. inside the steel coupler....
If you bought one of the PTFE insulators from china its the wrong size.. they make them oversize and they dont fit down in the coupler correctly.. some reason they think there needs to be a pressure seal between the ptfe and the steel.. when the main issue is having a equal seal between the PTFE and steel as well as the PTFE and the top of your extruder block...
The ones I have picked up from china were completely over sized and never touched the top of the block.
Also can I get the link for that fan shroud
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