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bob-hepple

My Installation Of Olson Block And Fan Shroud (Layburns)

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Had to strip My UM2 as it was needing a clean and servicing so I decided to install Olson Block with new Temp Sensor and 35w Heater Ptfe Coupler ect. all purchased through http://3dsolex.com.

It takes me some time todo anything and preparation is my Key I downloaded Layburns Fan Shroud months ago and had it printed in Nylon. I also took the precaution of lining it with Kapton Tape. I am also installing iRoberts Feeder with some parts made on Lather, this is being done now while the printer is on its back so to speak. Mofified the Adjusting screw for the levelling of printer bed aswell.

5a331052e5cb7_FanShroud.thumb.jpg.7be2ab31fad1f23d17262c8c60e9ad98.jpg

IMG_0801.thumb.jpg.346030eef61ec2eee7cce99aac5ac32d.jpg

As you can see I also installed a Korneel Spacer which I modified to take into account I'm Using I2k Spacer from 3dSolex.

will post more pics when finished that section I hope my machine will be Happy when finished.

5a331052e5cb7_FanShroud.thumb.jpg.7be2ab31fad1f23d17262c8c60e9ad98.jpg

IMG_0801.thumb.jpg.346030eef61ec2eee7cce99aac5ac32d.jpg

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I have been using it for a long time even printing with XT with no deformation of the bottom. Just a little on the left side. I printed mine with XT-CF20. The bottom is closed to stop the temp error and some have even asked for a more closed in design then the one pictured.

Personally I'm not a fan of printed shrouds so I'm in the process of getting metal ones made. It's just taking a bit longer as I have been busy working on other things.

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If you get them made in metal how would this effect the Olson Block I thought I saw something about the std shroud drawing heat away from the heater block.

I'd also open up the hole for the nozzle a bit more The hex wrench wouldn't fit through the hole I reamed it out, we are only talking about 1mm on the Diameter.

I'd would also be interested in trying a metal version if ordering multiples would be cheaper I thought of having one sintered

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Yes the standard block does draw heat away if it touches. My fan shroud is designed with the Olsson block in mind so it doesnt touch.

Noted about the hole. Ill fix that.

Here is a pic of a flow test done on my shroud. Thought you may be interested. The Original UM shrouds velocity is about 0.6m/s

5a331065cac6f_FanShroudFlowTest.png.955ddf2ac37b1fd701176caf615b1442.png

5a331065cac6f_FanShroudFlowTest.png.955ddf2ac37b1fd701176caf615b1442.png

Edited by Guest

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