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Area51

Anet A6/A8 Threaded Frame Mount/Clamp, Upgrade

by Area51 Jun 20, 2017
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These printed up nicely and are great for securing my Anet A8 to it's 25 mm MDF base - good job many thanks

I like the idea and the design and especially, that it is not needed to take the rods apart to install these parts!

The only thing, that could be a little bit better, to fit perfect, is the height of the inner threads. They could (should) be 0.5mm lower. As they are now, there is a small gap (about these 0.5mm) so I can raise / lift the printer. I think this shouldn't be the case / possible...
I don't know if I have a different / newer version of the printer as the designer of these parts (I got my model last month, April 2018).

Do other people with a current printer model / version have the same issue?

PS. I have measured the distance from bottom to the thread in FreeCAD and it tells me exactly the same, 0.5mm to tall in comparison to the measurement of the distance between wooden plate and printer rod..

Thank you.
The model is made for the A6 I got a year ago... I think the Chinese tolerances on acrylic cutting could explain the 0.5 mm difference.
Easiest way is just to scale the model in the height direction to 98% (27/27.5) - this will not change the thread and the part will still work as intended.
Alternatively cut out 0.5 mm in the mid section to lower the clamp (can be done in FreeCAD).

If this is a general design change on newer A6/A8 models, let me know and I will make and upload a lower model.

I am a beginner (68 years old) and find 3D printing fun to do. My A6 would pull the print off the heat plate regardless of the temp I was using. Found my frame for the bed was up in one corner so I used an eye bolt to hold it down then found your design. Printed four, excellent fit and are doing the job well. Thanks. I do appreciate you guys figuring the parameters out and sharing your files.

Thank you.
I am happy that it solved the problem and gave you a better printer.
As a designer, I especially like to get feedback - that way designs can be improved, not just for me, but for all. Thanks.

Brilliant. Just what I was after. After a few printed upgrades and tensioning my Y belt, I found that the front of my printer was bouncing 1mm in the air when the bed was moving. These have sorted that and now my prints stick to my glass bed perfect.

It is amassing how mounting a solid base can make the 3D printer rigid and stable. A world of difference when leveling and printing.

Not only mount these perfect clamps, but you have also to place the plywood part at anti vibration mounts, you will be surprised. All the vibrations stays in the printer which result in a very smooth printing surface.

i made 4 they work very well and hold tight